Category: Google

Google Introduces Passwordless Secure Sign-In with Passkeys for Google Accounts

May 03, 2023 Ravie Lakshmanan

Almost five months after Google added support for passkeys to its Chrome browser, the tech giant has begun rolling out the passwordless solution across Google Accounts on all platforms.

Passkeys, backed by the FIDO Alliance, are a more secure way to sign in to apps and websites without having to use a traditional password. This, in turn, can be achieved by simply unlocking their computer or mobile device with their biometrics (e.g., fingerprint or facial recognition) or a local PIN.

“And, unlike passwords, passkeys are resistant to online attacks like phishing, making them more secure than things like SMS one-time codes,” Google noted.

Passkeys, once created, are locally stored on the device, and are not shared with any other party. This also obviates the need for setting up two-factor authentication, as it proves that “you have access to your device and are able to unlock it.”

Users also have the choice of creating passkeys for every device they use to login to Google Account. That said, a passkey created on one device will be synced to all the users’ other devices running the same operating system platform (i.e., Android, iOS/macOS, or Windows) and if they are signed in to the same account. Viewed in that light, passkeys are not truly interoperable.

It’s worth pointing out that both Google Password Manager and iCloud Keychain use end-to-end encryption to keep the passkeys private, thereby preventing users from getting locked out should they lose access to their devices or making it easier to upgrade from one device to another.

Passwordless Secure Sign-In with Passkeys

Additionally, users can sign in on a new device or temporarily use a different device by selecting the option to “use a passkey from another device,” which then uses the phone’s screen lock and proximity to approve a one-time sign-in.

“The device then verifies that your phone is in proximity using a small anonymous Bluetooth message and sets up an end-to-end encrypted connection to the phone through the internet,” the company explained.

“The phone uses this connection to deliver your one-time passkey signature, which requires your approval and the biometric or screen lock step on the phone. Neither the passkey itself nor the screen lock information is sent to the new device.”

While this may be the “beginning of the end of the password,” the company said it intends to continue to support existing login methods like passwords and two-factor authentication for the foreseeable future.

Google is also recommending that users do not create passkeys on devices that are shared with others, a move that could effectively undermine all its security protections.

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Source :
https://thehackernews.com/2023/05/google-introduces-passwordless-secure.html

NIST Password Guidelines

Joe Dibley

Published: November 14, 2022

Updated: March 17, 2023

What are NIST Password Guidelines?

Since 2014, the National Institute of Standards and Technology (NIST), a U.S. federal agency, has issued  guidelines for managing digital identities via Special Publication 800-63B. The latest revision (rev. 3) was released in 2017, and has been updated as recently as 2019. Revision 4 was made available for comment and review; however, revision 3 is still the standard as of the time of this blog post.

Section 5.1.1 – Memorized Secrets provides recommendations for requirements around how users may create new passwords or make password changes, including guidelines around issues such as password strength. Special Publication 800-63B also covers verifiers (software, websites, network directory services, etc.) that validate and handle passwords during authentication and other processes.

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Not all organizations must adhere to NIST guidelines. However, many follow NIST password policy recommendations even if it’s not required because they provide a good foundation for sound digital identity management. Indeed, strong password security helps companies block many cybersecurity attacks, including  hackers, brute force attacks like credential stuffing and dictionary attacks. In addition, mitigating identity-related security risks helps organizations ensure compliance with a wide range of regulations, such as HIPAA, FISMA and SOX.

Quick List of NIST Password Guidelines

This blog explain many NIST password guidelines in detail, but here’s a quick list:

  • User-generated passwords should be at least 8 characters in length.
  • Machine-generated passwords should be at least 6 characters in length.
  • Users should be able to create passwords at least 64 characters in length.
  • All ASCII/Unicode characters should be allowed, including emojis and spaces.
  • Stored passwords should be hashed and salted, and never truncated.
  • Prospective passwords should be compared against password breach databases and rejected if there’s a match.
  • Passwords should not expire.
  • Users should be prevented from using sequential characters (e.g., “1234”) or repeated characters (e.g., “aaaa”).
  • Two-factor authentication (2FA) should not use SMS for codes.
  • Knowledge-based authentication (KBA), such as “What was the name of your first pet?”, should not be used.
  • Users should be allowed 10 failed password attempts before being locked out of a system or service.
  • Passwords should not have hints.
  • Complexity requirements — like requiring special characters, numbers or uppercase letters — should not be used.
  • Context-specific words, such as the name of the service or the individual’s username, should not be permitted.

You probably notice that some of these recommendations represent a departure from previous assumptions and standards. For example, NIST has removed complexity requirements like special characters in passwords; this change was made in part because users find ways to circumvent stringent complexity requirements. Instead of struggling to remember complex passwords and risking getting locked out, they may write their passwords down and leave them near physical computers or servers. Or they simply recycle old passwords based on dictionary words by making minimal changes during password creation, such as incrementing a number at the end.

NIST Guidelines

Now let’s explore the NIST guidelines in more detail.

Password length & processing

Length has long been considered a crucial factor for password security. NIST now recommends a password policy that requires all user-created passwords to be at least 8 characters in length, and all machine-generated passwords to be at least 6 characters in length. Additionally, it’s recommended to allow passwords to be at least 64 characters as a maximum length.

Verifiers should no longer truncate any passwords during processing. Passwords should be hashed and salted, with the full password hash stored.

Also the recommended NIST account lockout policy is to allow users at least 10 attempts at entering their password before being locked out.

Accepted characters

All ASCII characters, including the space character, should be supported in passwords. NIST specifies that Unicode characters, such as emojis, should be accepted as well.

Users should be prevented from using sequential characters (e.g., “1234”), repeated characters (e.g., “aaaa”) and simple dictionary words.

Commonly used & breached passwords

Passwords that are known to be commonly used or compromised should not be permitted. For example, you should disallow passwords in lists from breaches (such as the Have I Been Pwned? database, which contains 570+ million passwords from breaches), previously used passwords, well-known commonly used passwords, and context-specific passwords (e.g., the name of the service).

When a user attempts to use a password that fails this check, a message should be displayed asking them for a different password and providing an explanation for why their previous entry was rejected.

Reduced complexity & password expiration

As explained earlier in the blog, previous password complexity requirements have led to less secure human behavior, instead of the intended effect of tightening security. With that in mind, NIST recommends reduced complexity requirements, which includes removing requirements for special characters, numbers, uppercase characters, etc.

A related recommendation for reducing insecure human behavior is to eliminate password expiration.

No more hints or knowledge-based authentication (KBA)

Although password hints were intended to help users to create more complex passwords, users often choose hints that practically give away their passwords. Accordingly, NIST recommends not allowing password hints.

NIST also recommends not using knowledge-based authentication (KBA), such as questions like “What was the name of your first pet?”

Password managers & two-factor authentication (2FA)

To account for the growing popularity of password managers, users should be able to paste passwords.

SMS is no longer considered a secure option for 2FA. Instead, one-time code provider, such as Google Authenticator or Okta Verify, should be used.

How Netwrix Can Help

Netwrix offers several solutions specifically designed to streamline and strengthen access and password management:

  • Netwrix Password Policy Enforcer makes it easy to create strong yet flexible password policies that enhance security and compliance without hurting user productivity or burdening helpdesk and IT teams.
  • Netwrix Password Reset enables users to safely unlock their own accounts and reset or change their own passwords, right from their web browser. This self-service functionality dramatically reduces user frustration and productivity losses while slashing helpdesk call volume.

FAQ

What is NIST Special Publication 800-63B?

NIST’s Digital Identity Guidelines (Special Publication 800-63B) provides reliable recommendations for identity and access management, including effective password policies.

Why does NIST recommend reducing password complexity requirements?

While requiring complex passwords makes them more difficult for attackers to crack, it also makes passwords harder for users to remember. To avoid frustrating lockouts, users tend to respond with behaviors like writing down their credentials on a sticky note by their desk or choosing to periodically reuse the same (or nearly the same) password — which increase security risks. Accordingly, NIST now recommends less stringent complexity requirements.

Source :
https://blog.netwrix.com/2022/11/14/nist-password-guidelines/

RSA Report: Cybersecurity is National Security

The role of government in stopping supply chain attacks and other threats to our way of life.

By Amber Wolff
April 26, 2023

How governments play a vital role in developing regulations, stopping supply chain attacks, and diminishing other threats to our way of life.

While new issues are always emerging in the world of cybersecurity, some have been present since the beginning, such as what role cybersecurity should play in government operations and, conversely, what role government should play in cybersecurity. The answer to this question continues to shift and evolve over time, but each new leap in technology introduces additional considerations. As we move into the AI era, how can government best keep citizens safe without constraining innovation and the free market — and how can the government use its defensive capabilities to retain an edge in the conflicts of tomorrow?

The day’s first session, “Cybersecurity and Military Defense in an Increasingly Digital World,” offered a deep dive into the latter question. Over the past 20 years, military conflicts have moved from involving just Land, Air and Sea to also being fought in Space and Cyber. While superior technology has given us an upper hand in previous conflicts, in some areas our allies — and our adversaries — are catching up or even surpassing us. In each great technological leap, companies and countries alike ascend and recede, and to keep our edge in the conflicts of the future, the U.S. will need to shed complacency, develop the right policies, move toward greater infrastructure security and tap the capabilities of the private sector.

SonicWall in particular is well-positioned to work with the federal government and the military. For years, we’ve helped secure federal agencies and defense deployments against enemies foreign and domestic, and have woked to shorten and simplify the acquisition and procurement process. Our list of certifications includes FIPS 140-2, Common Criteria, DoDIN APL, Commercial Solutions for Classified (CSfC), USGv6, IPv6 and TAA and others. And our wide range of certified solutions have been used in a number of government use cases, such as globally distributed networks in military deployments and federal agencies, tip-of-the-spear, hub-and-spoke, defense in-depth layered firewall strategies and more.

Because Zero Trust is just as important for federal agencies as it is for private sector organizations, SonicWall offers the SMA 1000, which offers Zero Trust Network Architecture that complies with federal guidelines, including the DoDIN APL, FIPS and CSfC, as well as the U.S. National Cybersecurity Strategy.

This new strategy was at the center of the day’s next session. In “The National Cyber Strategy as Roadmap to a Secure Cyber Future,” panelists outlined this strategic guidance, which was released just two months ago and offered a roadmap for how the U.S. should protect its digital ecosystem against malicious criminal and nation-state actors. The guidance consists of five pillars, all of which SonicWall is in accord with:

  • Pillar One: Defend Critical Infrastructure
    SonicWall offers several security solutions that align with Pillar One, including firewalls, intrusion prevention, VPN, advanced threat protection, email security, Zero-Trust network access and more. We’re also working to align with and conform to NIST SSDF and NIST Zero Trust Architecture standards.
  • Pillar Two: Disrupt and Dismantle Threat Actors

SonicWall uses its Email Security to disrupt and mitigate the most common ransomware vector: Phishing. And in 2022 alone, we helped defend against 493.3 million ransomware attacks.

  • Pillar Three: Shape Market Forces to Drive Security and Resilience

This pillar shifts liability from end users to software providers that ignore best practices, ship insecure or vulnerable products or integrate unvetted or unsafe third-party software. And as part of our efforts to aign with the NIST SSDF, we’re implementing a Software Bill of Materials (SBOM).

  • Pillar Four: Invest in a Resilient Future

Given CISA’s prominence in this guidance, any regulations created will likely include threat emulation testing, and will likely be mapped to threat techniques, such as MITRE ATT&CK. SonicWall Capture Client (our EDR solution) is powered by SentinelOne, which has been a participant in the MITRE ATT&CK evaluations since 2018 and was a top performer in the 2022 Evaluations.

  • Pillar Five: Forge International Partnerships to Pursue Shared Goals

An international company, SonicWall recognizes the importance of international partnerships and works to comply with global regulations such as GDPR, HIPAA, PCI-DSS and more. By sharing threat intelligence and collaborating no mitigation strategies, we work with governments and the rest of the cybersecurity community to pursue shared cybersecurity goals.

And with the continued rise in cybercrime, realizing these goals has never been more important. In “The State of Cybersecurity: Year in Review,” Mandiant CEO Kevin Mandia summarized findings from the 1,163 intrusions his company investigated in 2022. The good news, Mandia said, is that we’re detecting threats faster. In just ten years, we’ve gone from averaging 200 days to notice there’s a problem, to just 16 days currently — but at the same time, an increase in the global median dwell time for ransomware shows there’s still work to be done.

Mandia also outined the evolution of how cybercriminals are entering networks, from Unix platforms, to Windows-based attacks, and from phishing, to spearphishing to vulnerabilities — bringing patch management once again to the fore.

Deep within the RSAC Sandbox, where today’s defenders learn, play and test their skills, panelists convened to discuss how to stop attackers’ relentless attempts to shift left. “Software Supply Chain: Panel on Threat Intel, Trends, Mitigation Strategies” explained that while the use of third-party components increases agility, it comes with tremendous risk. More than 96% of software organizations rely on third-party code, 90% of which consists of open source—but the developers of this software are frequently single individuals or small groups who may not have time to incorporate proper security, or even know how. Our current strategy of signing at the end isn’t enough, panelists argued—to truly ensure safety, signing should be done throughout the process (otherwise known as “sign at the station”).

Israel provides an example of how a country can approach the issue of software supply chain vulnerability — among other things, the country has created a GitHub and browser extension allowing developers to check packages for malicious code — but much work would need to be done to implement the Israel model in the U.S. AI also provides some hope, but given its current inability to reliably detect malicious code, we’re still a long way from being able to rely on it. In the meantime, organizations will need to rely on tried-and-true solutions such as SBOMs to help guard against supply chain attacks in the near future.

But while AI has tremendous potential to help defenders, it also has terrible potential to aid attackers. In “ChatGPT: A New Generation of Dynamic Machine-Based Attacks,” the speakers highlighted ways that attackers are using the new generation of AI technology to dramatically improve social engineering attempts, expand their efforts to targets in new areas, and even write ransomware and other malicious code. In real time, the speakers demonstrated the difference between previous phishing emails and phishing generated by ChatGPT, including the use of more natural language, the ability to instantly access details about the target and the ability to imitate a leader or colleague trusted by the victim with a minimum of effort. These advancements will lead to a sharp increase in victims of phishing attacks, as well as things like Business Email Compromise.

And while there are guardrails in place to help prevent ChatGPT from being used maliciously, they can be circumvented with breathtaking ease. With the simple adjustment of a prompt, the speakers demonstrated, ransomware and other malicious code can be generated. While this code isn’t functional on its own, it’s just one or two simple adjustments away — and this capability could be used to rapidly increase the speed with which attacks are launched.

These capabilities are especially concerning given the rise in state-sponsored attacks. In “State of the Hack 2023: NSA’s Perspective,” NSA Director of Cybersecurity Rob Joyce addressed a packed house regarding the NSA’s work to prevent the increasing wave of nation-state threats. The two biggest nation-state threats to U.S. cybersecurity continue to be Russia and China, with much of the Russian effort centering around the U.S.’ assistance in the Russia/Ukraine conflict.

As we detailed in our SonicWall 2023 Cyber Threat Report, since the beginning of the conflict, attacks by Russia’s military and associated groups have driven a massive spike in cybercrime in Ukraine. The good news, Joyce said, is that Russia is currently in intelligence-gathering mode when it comes to the U.S., and is specifically taking care not to release large-scale NotPetya-type attacks. But Russia also appears to be playing the long game, and is showing no signs of slowing or scaling back their efforts.

China also appears to be biding its time — but unlike Russia, whose efforts appear to be focused around traditional military dominance, China is seeking technological dominance. Exploitation by China has increased so much that we’ve become numb to it, Joyce argued. And since these nation-state sponsored attackers don’t incur much reputational damage for their misdeeds, they’ve become increasingly brazen in their attacks, going so far as to require any citizen who finds a zero-day to pass details to the government and hosting competitions for building exploits and finding vulnerabilities. And the country is also making efforts to influence international tech standards in an attempt to tip scales in their favor for years to come.

The 2023 RSA Conference has offered a wealth of information on a wide variety of topics, but it will soon draw to a close. Thursday is the last day to visit the SonicWall booth (#N-5585 in Moscone North) and enjoy demos and presentations on all of our latest technology. Don’t head home without stopping by — and don’t forget to check back for the conclusion of our RSAC 2023 coverage!

Source :
https://blog.sonicwall.com/en-us/2023/04/rsa-report-cybersecurity-is-national-security/

Top 27 WordPress Security Vulnerabilities You Need To Know

Just the idea of WordPress Security Vulnerabilities can be daunting, and even a little scary, for some people.

We want to put an end to that.

In this article we’ll dispel some of the confusion and aim to reduce the anxiety that surrounds this topic. We’ll outline the big ticket items and provide clear, actionable advice on steps you can take to protect your WordPress sites.

Before we can talk about WordPress Security Vulnerabilities, let’s get clear on what exactly we mean.

What Is A WordPress Vulnerability?

When we think of vulnerabilities, the first thing to come to mind is usually publicly known software vulnerabilities. They often allow for some form of directed, specific attack against susceptible code.

This certainly is one type of vulnerability, as you’ll see below. But for the purposes of this article, we’re considering anything that makes your website susceptible to attack – anything that puts you at a disadvantage.

You can’t hope to fight hackers if you’re not aware of the weaknesses that your enemy will exploit.

This article will arm you with practical know-how to strengthen your weaker areas and give you the power and confidence to fight back.

Without further ado, let’s get into it.

#1 Outdated WordPress Core, Plugins, Themes

The single leading cause of WordPress site hacking is outdated WordPress software. This includes Plugins, Themes, and the WordPress Core itself.

The simple act of keeping all your plugins and themes up-to-date will keep you protected against the vast majority of vulnerabilities, either publicly known or “unknown”.

A known vulnerability is one that has been discovered, typically by a dedicated researcher, and published publicly – see #6 below.  But code vulnerabilities that aren’t publicly known are also important to be aware of.

Any good software developer is constantly improving their skills and their code. Over time, you can expect their code to improve, so keeping software updated ensures that you’re running only the best code on your sites.

How to protect against outdated WordPress software

We recommend making “WordPress Updates” a regular part of your weekly maintenance schedule. Block out some time every single week to get this critical work done.

The WordPress team regularly releases bug-fixing patches for the Core, and since WordPress 3.7+, these are installed automatically. It’s possible to disable that feature, but we strongly recommend that you never do.

# 2 Insecure WordPress Web Hosting

Your WordPress site is only as secure as the infrastructure that hosts it.

This is perhaps the most overlooked area of website security, and is, in our opinion, so critical that we place it in the top-3 in this list. #3 is closely related to this item, so make sure you check that out too.

If your web host doesn’t make server security a priority, then your server will get gradually more vulnerable over time. We see this all the time when customers write to our support team asking for help, only to discover that their web server is running on really, really old libraries.

This happens when the web host isn’t proactive in maintaining the server software that powers the websites of their customers.

Proactive maintenance by the web host has a cost, however. And if you’re paying bargain basement prices, then you can expect a corresponding level of service. That’s not to say that cheap web hosting is inherently insecure, and expensive web hosting isn’t. Not at all, but there is definitely a correlation between quality of web hosting and the price you pay.

How to protect against insecure WordPress web hosting

Cost of web hosting is only 1 indicator of quality. If your WordPress website is important to you or your business, then asking questions from the host about server security and ongoing maintenance should be part of your due diligence process.

You can take on recommendations from colleagues and friends, but never substitute their opinions with your own due diligence. Be prepared to invest in your hosting, as this will not only impact your security, but also your hosting reliability, uptime, and performance.

If you haven’t already done so, talk to your host today and ask them how they maintain the server that host your sites. Not in general terms, but ask them what their actual maintenance and update schedule is.

If you’re not happy with your answers and support, find a new host that will give you answers that you like. Never be afraid to switch service providers.

# 3 WordPress Web Hosting Site Contamination

This is related to the discussion above on web hosting quality. Generally speaking, the cheaper the web hosting, the more corners that will be cut in the service quality. This includes shared web server hosting configuration.

Here’s an over-simplified range of approaches in hosting websites:

  1. Host all sites within the same vhost*
  2. Host each site in separate vhosts, on the same, shared server
  3. Host each site on a separate VPS (Virtual Private Servers) on the same server
  4. Host each site on a separate dedicated server

*vhost is short for “virtual host”, that acts as a semi-independent container for hosting a website

As you move down the list, the cost increases, but the risk of contamination between websites increases. The 1st on the list is by-far the most dangerous, but is unfortunately the most common. This is where you might see something like:

  • /public_html/mywebsite1_com/
  • /public_html/mywebsite2_com/
  • /public_html/mywebsite3_com/
  • /public_html/mywebsite4_com/
  • /public_html/mywebsite5_com/

… when you look at the file system of the hosting account.

This is terrible for cross-site contamination as there is absolutely no isolation between individual websites. If any 1 of these sites becomes infected with malware, then you must assume the entire collection of sites is infected.

That’s a lot of cleanup work.

How to protect against web hosting site contamination

You’ll want to ensure that all your websites are, at the very least, hosted within their own vhost.

You could separate sites even further with separate VPSs, but you’ll pay more for it.

You’ll need to choose the type of hosting that best suits your expertise and budget.

If you can avoid it, please steer clear of hosting multiple sites within the same vhost, and if you are doing this already, look to gradually migrate these sites to their own independent vhosts as soon as possible.

For an idea, have a look at how we go about hosting many of our smaller WordPress sites.

# 4 Non-HTTPS Protection

Internet traffic sent via plain HTTP doesn’t encrypt the data transmitted between the website and the user’s browser, making it vulnerable to interception and tampering.

To avoid this, a technology known as Secure HTTP (HTTPS) is used.

Secure HTTPS is provided through the use of SSL/TLS certificates. It’s impossible to verify the identity of a website without certificates, and sensitive information such as login credentials, payment details, and personal information can be intercepted easily.

How to solve Non-HTTPS traffic

All WordPress websites should be using HTTPS by default. SSL Certificates are available for free with the LetsEncrypt service, and many web hosts provide this as-standard.

If your webhost doesn’t supply free LetsEncrypt Certificates, look to move hosts ASAP.

# 5 Insecure File Management (FTP) Vulnerability

Secure File Management is similar to the previous item on secure web/internet communications. If you’re transferring files to and from your web server using a tool like FTP, then this will typically require logging in with a username and password. If you’re not using a secure version of FTP, then you’re transmitting your username and password in plain text which can potentially be intercepted and used to compromise your server.

How to solve Insecure File Management

Practically all web hosts offer secure FTP (either FTPS or SFTP) as standard, but you should check with your hosting provider on whether that’s what you’re using and if not, how to switch.

Always use secure methods of file management. It’s just as easy to use than the insecure methods.

# 6 Known Plugin and Theme Vulnerabilities

Known vulnerabilities is what typically comes to mind when we discuss the topic of WordPress Vulnerabilities. When you’re told to upgrade because there’s a vulnerability, it basically means: a vulnerability has been discovered in the code of a plugin/theme that allows a hacker to perform a malicious attack.

By upgrading the plugin/theme, the vulnerable code has been fixed to prevent said attack.

Each vulnerability is different. Some are severe, some are trivial. Some are hard to exploit, others are easy to exploit.

The worst type of vulnerability are those that are severe, but easy to exploit.

Unfortunately, there is very little nuance in the way vulnerabilities are discussed publicly and so they’re all communicated as being catastrophic. This is not the case.

Of course, some vulnerabilities really are brutal, but many are not.

The point I’m trying to make is that you don’t need to stress about them. All you need to do is stay on top of vulnerability alerts and if your site is using a plugin or theme with a known vulnerability, then you need to update it as soon as possible.

The pseudo-standard practice for vulnerabilities reporting is this:

  1. Existence of vulnerability is reported to the developer
  2. Developer fixes the vulnerability and releases an update
  3. Users update their plugins/themes
  4. Some time passes, say 30 days
  5. Vulnerability details are released to the general public after enough time has passed to allow most people to upgrade the affected plugin/theme.

This brings us back to the first item on our list of vulnerabilities. If you’re performing regular maintenance on your WordPress sites, the likelihood that you’ll be susceptible to a vulnerability is slim-to-none, as you’ll have updated the affected plugin/theme, and you’re already protected.

The problem arises when you don’t regularly update your assets and you’re left with a known vulnerability on your site.

How to solve Known Vulnerabilities

Keeping on top of your WordPress updates is the best way to stay ahead of this type of vulnerability.

Alongside this, you could also use a WordPress security plugin, such as ShieldPRO, that will alert you when there’s a known vulnerability present on your website, and even automatically upgrade plugins when this is the case.

# 7 Untracked File Modifications

At the time of writing this article, WordPress 6.2 ships with over 3,800 PHP and Javascript source files. And that’s just the WordPress core. You’ll have many, many more files in your plugins and themes directories.

An Indicator of Compromise (IoC) that a WordPress site has been hacked is when a file is modified on your WordPress installation, or even added to the site, that shouldn’t be. If this ever happens, you want to know about it as quickly as possible.

The only way to do this reliably is to regularly scan all your files – at least once per day. This involves taking each file in-turn and checking whether its contents have changed from the original file, or whether it’s a file that doesn’t belong.

How to protect against untracked file modifications

Nearly all WordPress security plugins offer this scanning feature, at least for WordPress core files.

But you’ll want to also scan your plugins and themes, too. Not all WordPress security plugins offer this, so you’ll need to check whether this is supported. ShieldPRO supports scanning for all plugins and themes found on WordPress.org.

An additional complication exists for premium plugins and themes, however. Since premium plugins are only available for download from the developers’ sites, the source files for these plugins are not available for us to check against. The developers at ShieldPRO, however, have built a crowdsource-powered scanning system for premium plugins and themes so you can check these also. At the time of writing, this feature isn’t available anywhere else.

# 8 wp-config.php File Changes

If you download the source files for WordPress, you’ll discover there is no wp-config.php file. This file is often created by customising the wp-config-sample.php file with the necessary information. Since there is no universal content for the wp-config.php file, there is no way to scan this file for changes (as outlined in the previous item on this list).

In our experience, the wp-config.php file and the root index.php files are the files that are most often targeted when malware is inserted into a WordPress site, but it’s impossible to scan them using existing techniques.

You will need to constantly keep an eye on these files and be alert for changes.

How to protect against changes to wp-config.php files

One approach is to adjust the file system permissions on the file itself. This can be quite complicated so you may need technical assistance to achieve this. If you can restrict the permissions of the file so that it may only be edited by specific users, but readable by the web server, then you’ll have gone a long way in protecting it.

However, this poses another problem. Many WordPress plugins will try to make adjustments to these files automatically, so restricting access may cause you other problems.

The developers at ShieldPRO have custom-built the FileLocker system to address this issue.

It takes a snapshot of the contents of the files and alerts you as soon as they change. You’ll then have the ability to review the precise changes and then ‘accept’ or ‘reject’ them.

# 9 Malicious or Inexperienced WordPress Admins

With great power comes great responsibility.

A WordPress admin can do anything to a website. They can install plugins, remove plugins, adjust settings, add other users, add other admins. Anything at all.

But this is far from ideal when the administrator is inexperienced and likely to break things. It’s even worse if an adminaccount is compromised and someone gains unauthorized access to a site.

For this reason we always recommend adopting the Principle of Least Privilege (PoLP). This is where every user has their access privileges restricted as far as possible, but still allow them to complete their tasks.

This is why WordPress comes with built-in user roles such as Author and Editor, so that you can assign different permissions to users without giving them access to everything.

How to protect malicious or inexperienced administrators

As we’ve discussed, you should adopt PoLP and restrict privileges as far as possible.

Another approach that we’ve taken with Shield Security is to restrict a number of administrator privileges from the administrators themselves. We call this feature “Security Admin” and it allows us to lockout admin features from the everyday admin, such as:

  • Plugins management (install, activate, deactivate)
  • WordPress options control (site name, site URL, default user role, site admin email)
  • User admin control (creating, promoting, removing other admin users)
  • and more…

With the Security Admin feature we’re confident that should anyone gain admin access to the site, or already have it, they are prevented from performing many tasks that could compromise the site.

# 10 Existing Malware Infections

Think of malware as an umbrella term for any code that is malicious. Their purpose is wide-ranging, including:

  • stealing user data,
  • injecting spam content e.g. SEO Spam,
  • redirecting traffic to nefarious websites,
  • backdoors that allow unfettered access to the site and its data
  • or even taking over control of the website entirely

How to protect against WordPress Malware infections

Use a powerful malware scanner regularly on your WordPress sites to detect any unintended file changes and possible malware code. Examine all file changes and suspicious code as early as possible, and remove it.

# 11 WordPress Brute Force Login Attacks

WordPress brute force attacks attempt to gain unauthorized access to a website by trying to login using different username and password combinations.

These attacks are normally automated and there’s no way to stop them manually.

How to protect against brute force login attacks

You’ll need to use a WordPress security plugin, such as ShieldPRO, to detect these repeated login requests, and block the IP addresses of attackers automatically.

A powerful option is to use a service like CloudFlare to add rate limiting protection to your WordPress login page.

We also recommend using strong, unique (not shared with other services) passwords. You can use ShieldPRO to enforce minimum password strength requirements.

# 12 WordPress SQL Injection

WordPress SQL injection refers to attempts by an attacker to use carefully crafted database (MySQL) statements to read or update data residing in the WordPress database.

This is normally achieved through sending malicious data through forms on your site, such as search bars, user login forms, and contact forms.

If the SQL injection is successful, the attacker could potentially gain unauthorized access to the website’s database. They are free to steal sensitive information such as user data or login credentials, or if the injection is severe enough, make changes to the database to open up further site access.

How to protect against SQL injection attacks

The best protection against SQL injection attacks is defensive, well-written software. If the developer is doing all the right things, such as using prepared statements, validating and sanitizing user input, then malicious SQL statements are prevented from being executed.

This brings us back to item #1 on our list: keep all WordPress assets updated.

As further protection, you’ll want to use a firewall that detects SQL injection attacks and blocks the requests. ShieldPRO offers this as-standard.

# 13 Search Engine Optimization (SEO) Spam Attack

WordPress Search Engine Optimization (SEO) spam refers to manipulation of search engine results and rankings of a WordPress website.

SEO spam can take many forms, such as keyword stuffing, hidden text and links, cloaking, and content scraping.

This type of attack normally involves modification of files residing on the WordPress site, that will then cause the SPAM content to be output when the site is crawled by Google.

How to protect against SEO SPAM attacks

Ensuring your site is registered with Google Webmaster Tools and staying on top of any alerts is a first step in monitoring changes in your website’s search engine visibility.

As mentioned earlier, these sorts of attacks normally rely on modifying files on your WordPress site, so regular file scanning and review of scan results will help you detect file changes early and revert anything that appears malicious.

# 14 Cross-Site Scripting (XSS) Attack

WordPress Cross-Site Scripting (XSS) is where an attacker injects malicious scripts into a WordPress website’s web pages that is then automatically executed by other users. The attacker can use various methods to inject the malicious scripts, such as through user input fields, comments, or URLs.

This attack vector can potentially steal user data or have the user unintentionally perform other malicious actions on the website.

How to protect against XSS attacks

The prime responsibility for prevention of this attack lies with the software developer. They must properly sanitize and validate all user input to ensure they are as expected.

Security plugins may also be able to intercept the XSS payloads, but this is less common. The only thing that you, as the WordPress admin, can do is ensure that all WordPress assets (plugins & themes) are kept up-to-date, and that you’re using vetted plugins from reputable developers. (See the section on Nulled Plugins below)

# 15 Denial of Service Attacks (DoS)

WordPress Denial of Service (DoS) attacks attempt to overwhelm a WordPress server with a huge volume of traffic.

By exhausting the server resources, it renders the website inaccessible to legitimate users. This would be disastrous for, say, an e-commerce store.

How to protect against DoS attacks

DoS attacks can be simple to implement for an attacker, but they’re also relatively straightforward to prevent. Using traffic limiting, you can reduce the ability of an attacker to access your site and consume your resources.

Choosing web hosting that is sized correctly with enough resources to absorb some attacks, and even using a provider that implements DoS as part of their service offering will also help mitigate these attacks.

It should be noted that if the DoS attack is large enough, no WordPress plugin will be able to mitigate it. You’ll need the resources of a WAF service, such as CloudFlare, to ensure your web server is protected.

# 16 Distributed Denial of Service Attacks (DDoS)

A Distributed Denial of Service attack is the same as a Denial of Service (#15) attack, except that there are multiple origins for the requests that flood your server.

These attacks are more sophisticated, and more costly, for the attacker, so they’re definitely rarer. But they have exactly the same effect on your site as a normal DoS attack.

How to protect against DDoS attacks

Most web hosts are just not sophisticated enough to withstand a sustained DDoS attack and you’ll need the services of a dedicated WAF, such as CloudFlare.

# 17 Weak Passwords

WordPress Weak Passwords vulnerability is the use of weak passwords by WordPress users. Weak passwords can be easily cracked by attackers, allowing them to gain unauthorized access to the WordPress website and take any type of malicious action.

Related to Brute Force attacks, automated tools can be used to systematically guess or crack weak passwords with ease.

How to protect against Weak Password

To prevent WordPress Weak Passwords Vulnerability, website owners should ensure that all users, including administrators, use strong passwords. Strong passwords are complex and difficult to guess, typically consisting of a combination of uppercase and lowercase letters, numbers, and special characters. Passwords should also be unique and not used across multiple, separate services.

WordPress doesn’t currently enforce strong passwords, so a WordPress security plugin, such as ShieldPRO, will be needed to enforce this.

# 18 Pwned Passwords

Pwned passwords vulnerability is where a WordPress user re-uses a password they’ve used elsewhere, but that has been involved in a data breach.

If a password is publicly known to have been used for a given user, and the same user re-uses it on another service, then it opens up a strong possibility that the user account could be compromised.

How to protect against Pwned Passwords

The Pwned Passwords service provides a public API that can be used to check passwords. You’ll want to enforce some sort of password policy that restricts the user of Pwned Passwords on your WordPress sites. Shield Security offers this feature as-standard.

# 19 Account Takeover Vulnerability

The previous items on this list discussed the importance of good password hygiene. But until we can go through all our accounts and ensure there is no password reuse, no pwned passwords, and all our passwords are strong, we can prevent any sort of account theft by ensuring that the person logging-in to a user account is, in-fact that person.

This is where 2-factor authentication (2FA) comes into play.

It is designed to help verify and ensure that the person logging in, is who they say they are and is a critical part of all good WordPress website security.

2-Factor authentication involves verifying another piece of information (a factor) that only that user has access to, alongside their normal password. This could be in the form of an SMS text or an email containing a 1-time passcode. It could also use something like Google Authenticator to generate codes every 30 seconds.

How to protect against account takeover vulnerability

WordPress doesn’t offer 2FA option to the user login process, by default. You will need a WordPress security plugin that offers this functionality. Shield Security has offered 2FA by email, Google Authenticator and Yubikey for many years now.

# 20 Nulled Plugins and Themes Vulnerabilities

“Nulled” plugins and themes are pirated versions of premium WordPress plugins and themes that are distributed without the permission of the original authors.

They pose significant security risks as they often contain malicious code or backdoors that can be used by hackers to gain unauthorized access to the website.

They may also include hidden links or spammy advertisements that can harm the website’s reputation or adversely affect its search engine rankings. (see SEO SPAM)

How to prevent vulnerabilities through nulled plugins and themes

The simple solution to this is to purchase premium plugins and themes from the original software vendor. A lot of work goes into the development of premium plugins and themes and supporting the developer’s work goes a long way to ensuring the project remains viable for the lifetime of your own projects.

# 21 Inactive WordPress Users Vulnerability

Inactive WordPress users vulnerability refers to the security risk posed by user accounts that haven’t been active for an extended period of time. Inactive accounts can become a target for hackers, as they may be easier to compromise than active accounts. Older accounts are more likely to have Pwned Passwords, for example.

If a hacker can gain access to an inactive user account, particularly an admin account, it’s an open door to your website data. Users automatically bypass certain checks and they can easily post spam or exploit vulnerable code on the website.

How to prevent vulnerabilities from inactive WordPress users

To prevent any vulnerability posed by inactive WordPress users, it’s important to follow these best practices:

  • Regularly monitor your website’s user accounts and delete any that are inactive.
  • Implement strong password policies for all user accounts (see above).
  • Use a security plugin that can detect and alert you to any suspicious user activity.
  • Use a security plugin that can automatically disable access to inactive user accounts.

# 22 Default Admin User Account Vulnerability

The WordPress default admin user account vulnerability refers to the security risk posed by the default “admin” username that is automatically created in the installation of any WordPress site.

This default account name is widely-known and a common target by hackers, since knowing a valid admin username is half the information needed to gain admin access.

If the admin isn’t using strong passwords or 2-factor authentication, then the site is particularly vulnerable.

How to protect against the admin user account vulnerability

It should be understood that changing the primary admin username of a WordPress site is “security through obscurity”, and that using strong passwords is required regardless of the username.

To eliminate this risk, you’ll want to rename the admin username on a site. The simplest method to do this is to create a new administrator account and then delete the old account. Please ensure that you transfer all posts/pages to the new admin account during this process. Always test this on a staging site to ensure there are no unforeseen problems.

# 23 WordPress Admin PHP File Editing Vulnerability

WordPress comes with the ability to edit plugin and theme files directly on a site, from within the WordPress admin area. The editors are usually linked to within the Plugins and Appearance admin menus, but have recently been moved to the Tools menu, in some cases.

Having this access is far from ideal as it allows any administrator to quietly modify files. This also applies to anyone that gains unauthorised access to an admin account.

There is usually no good reason to have access to these editors

How To Restrict Access To The WordPress PHP File Editors

The easiest way to prevent this is to disallow file editing within WordPress.

The Shield Security plugin has an option to turn off file editing.This can be found under the WP Lockdown module and is easy to turn on and off.

# 24 WordPress Default Prefix for Database Tables 

WordPress’ default prefix for database tables represent a potential security risk. Similar to the previous item in the list, this is about reducing your surface area of attack by obscuring certain elements of your site.

If there are attempted attacks through SQL injection, then sometimes knowing the database table prefix can be helpful. If the attacker doesn’t know it, it may slow the attack or prevent it entirely.

The point is, obscuring the names of your database tables from would-be hackers won’t do any harm whatsoever, but may give you an edge over unsophisticated hacking attempts.

Hackers can exploit this vulnerability by using SQL injection attacks to gain unauthorized access to the website’s database. This can result in the theft of sensitive information or the compromise of the website’s security.

How To Change The WordPress Database Table Prefix

This is much more easily done at the time of WordPress installation – always choose a none-default (wp_) prefix.

Changing an existing prefix will require some MySQL database knowledge and we would recommend you employ the skills of a competent professional. And, as always, ensure you have a full and complete backup of your site.

It’s also important to note that, as mentioned above, you should be using a firewall or security plugin that can detect and block SQL injection attacks.

# 25 Directory Browsing Vulnerability

Web server directory browsing is where you can browse the contents of a web server from your web browser. This is far from ideal, as it supplies hackers information they may find useful to launch an attack.

From a hacker point of view, which would be better? Knowing which WordPress plugins are installed, or not knowing any of the WordPress plugins installed?

Clearly, more information is always better. And so we return to the principle of obscurity and reducing your surface area of attack by limiting access to information that hackers can use.

How To Prevent Directory Browsing Vulnerability

The easiest way to prevent this type of vulnerability is to directory browsing altogether.

This is done by adding a simple line to the site’s .htaccess file. Bear in mind that that this is only applicable to websites running the Apache web server (not nginx)

# 26 WordPress Security Keys/Salts

WordPress security keys are the means of encrypting and securing user cookies that control user login sessions. So they’re critical to good user security.

How To Improve User Security With Strong Keys/Salts

This is an easy one to implement for most admins. Here’s a quick how-to guide on updating your WordPress security keys.

# 27 Public Access To WordPress Debug Logs

Another security through obscurity item, the WordPress debug logs are normally stored in a very public location: /wp-content/debug.log

This is far from ideal as normally, without any specific configuration changes, this file is publicly accessible, and may expose some private site configuration issues through errors and logs data.

How To Eliminate Access to WordPress Debug Logs

If the file mentioned above is on your site, then you’ll want to move or delete it. You’ll then want to switch off debug mode on your site as you only need this active if you’re investigating a specific site issue.

Debug mode is typically toggled in your wp-config.php file so have a look in there for the lines:

define( 'WP_DEBUG', true );
define( 'WP_DEBUG_LOG', true );

You can either:

  • Remove the lines entirely,
  • Comment out the lines, or
  • Switch true to false for both of these.

Bonus Security Tip: WordPress Website Backup

WordPress backup is often cited as a WordPress Security function. Strictly speaking, it’s not. It forms part of your disaster recovery plan. You might not have a formal DR plan, but having a website backup may be your implicit plan.

If anything ever goes wrong with your WordPress site, whether this is security related or not, having a backup is critical to being able to recover your site.

If you haven’t put a regular backup plan in place for your site, this is probably the first thing you need to do. Some of the items in this list need to be done with the option of restoring a backup in case of disaster.

Final Thoughts On Your WordPress Security

With WordPress being so widely used, it’s the obvious target for hackers to focus their efforts. This means the aspects you have to consider can be almost overwhelming, in your quest to secure your WordPress sites.

The process is never-ending and you might even address all of the items on this list, and still get hacked. But you have to keep at it.

Each step you take to lockdown your site, puts a bit more distance between you and the hackers. You might not always stay ahead of them, and you won’t always have time to address issues immediately, but we can assure that the more steps you take, the more secure your site will be.

Source :
https://getshieldsecurity.com/blog/wordpress-security-vulnerabilities/

Friday Long Read: What To Do About AI

This is a Friday long-read, so grab a warm cup of something and kick back because we’re going to take our time on this. The world is about to profoundly change. I know you’re nervous – perhaps excited and optimistic, but if you’ve been paying attention and have been watching the trajectory of this thing, the rational reaction is to be nervous. In this post I’d like to unpack in practical and tangible terms what AI is, where it came from, and the state of play, and then I’ll show you a path that will give you a pretty good shot at surviving the coming revolution.

Who am I? I’m Mark Maunder and I founded Wordfence in 2011 and wrote the early versions of the product until 2015 when Matt Barry took over as lead developer and I morphed into a tech executive running Defiant Inc, which makes Wordfence. We have over 4 million customers using our free product and a large number of paying customers using our various paid WordPress security products. I’ve been a technologist since the early 90s and a kid hacker in my teens in the 80s and 90s. I started my career in mission-critical operations for companies like Coca-Cola, Credit Suisse (now UBS), and DeBeers and then went over to do dev for companies like the BBC and eToys which was one of the biggest dot-com busts. I created the first job meta-search called WorkZoo in the UK around 2001 which later competed with Indeed, launched after us, and which I sold in 2005 but which made Time Magazine and NYTimes. I subsequently launched a Geoblogging platform, inline comments via JS, an ad network, real-time analytics, a localized news website, and more. You could say I’ve been in the innovation game for a minute, and I’m in it for life. I’m based in the USA these days in case you’re curious – moved over here in 2003.

Examining Bubbles

My apologies for the long bio, but what I’d like to illustrate is that I’ve seen tech come and go. The hype cycles I’ve seen typically include:

  • Outlandish claims about how the tech will solve everything from slicing bread to world peace and everything in between.
  • Commercial vendors jumping on the emerging mega-trend to surf the wave with proprietary technologies of their own which they position as standards, or at the very least the default choice.
  • Nascent technologies implementing the tech, that are immature, unstable, rapidly changing, and may very well be abandoned in a few months or a few years.
  • The press contracting a bad case of rabies and foaming at the mouth about the tech, amplifying the most extreme aspects and use cases and creating a lot of noise, which makes it hard for implementors to sift for the truth and the fundamentals around the technology.
  •  The investment community pouring cash into the space with little focus. This creates an extremely adversarial environment for tech practitioners who are building fundamental value, who now have to compete with powerful VC-backed marketing machines.
  • As Warren Buffet says, the Innovators, the Imitators, and the Swarming Incompetents enter the space in that order. I’d add that they have a pyramid structure with each successive wave being at least an order of magnitude bigger than the last. Things get crowded for a while.
  • Then you have the typical bust cycle which cleans house and makes the tech uncool again, but also makes it interesting to the true believers. The VC’s go away and stop making noise that innovators have to compete against. The imitators and swarming incompetents drift off to imitate and mess up something else. The businesses not creating fundamental value fail. Some creating fundamental value fail too but the talent and tech are sometimes reincarnated into something else useful.

So who prospers, and what tech survives after a bust? Sometimes none of it, but helpful derivative technologies are created, like Java Applets in the 90s that inspired Flash which inspired standards-based rich content web browsers.

A technological phoenix rising from the ashes

Sometimes out of the ashes, an Amazon is born, as with the dot-com boom. And sometimes you have incredible innovation where the innovators never see large-scale commercial success, but others do, as with Igor Sysoyev who created Nginx which eliminated the need for a data center full of web servers to handle large-scale websites. Igor has a commercial thing, but the real winners were companies like Cloudflare who based their global infrastructure on Nginx, reverse proxying massive numbers of connections to origin servers with rules about what gets proxied. Hey, I benefited too. Nginx saved our behinds when Kerry and I were running Feedjit.com from 2007 to 2011 because it let us handle over 1 billion application requests per month on just 6 servers. Thanks Igor!

Blockchain technology is in a bust cycle and you can map the characteristics I defined above to blockchain. It looks eerily similar to the dot-com bust and you’ll see an Amazon emerge from the ashes about a decade from now. It might be Coinbase if they survive the over 80% dive in market cap that may continue, but who knows?

Derivative Versus Fundamental Technology Innovation

Seeing the forest for the trees

I’ve mentioned a few tech bubbles so far and it’s really the first step in pulling us out of the trees so that we can examine the various forests out there. Now let’s go a little more meta and talk about which forests matter. Some technology is derivative. Examples of derivative tech are new stuff that runs inside a browser, for example, Websockets.

Websockets are awesome because they let a browser keep a connection open and get push notifications without doing the old TCP three-way handshake to establish a new connection every time the browser wants to check if there’s data waiting on a chat server or whatever. We used to call this long-polling and I wrote a web server to do long polling which was a clumsy but necessary approach, so when Web Sockets came along we all breathed a sigh of relief and I happily retired my web server glad that no one would see my nasty source code which worked quite well mind you.

Another derivative technology – and you’re not going to like this – is blockchain. It’s a useful and novel implementation of hashing algorithms and a few other cryptographic tricks, but honestly, we should have disintermediated banking at least two decades ago and the fact that blockchain has still failed to do that is both disappointing and illustrative that it is just a set of derivative applications built on a tower of fundamentals that has a way to go before it matures. The hype cycle and speculative bubble around it was simply humans making human noise.

So that’s derivative tech. In addition to derivative tech, you have what I’d like to call fundamental tech. Electricity is fundamental. It’s cornerstone technology that transformed the world in our ability to use and transport energy which has enabled an industrial and technological revolution the likes of which the world has never seen. The microprocessor is also fundamental tech for similar reasons. You have algorithms that are fundamental tech like the RSA algorithm which allows us to establish a secure communication channel while a bad person is listening in the whole time – the kind of tech that could have changed the outcome of World War II.

The Internet is fundamental tech. It connected the world and gave us the ability to build applications on top like HTTP and the web which are derivative tech.

Oh I know you want to have a bar fight with me at this point and we’ll do that if you’re attending Wordcamp EU – a collegial and metaphorical barfight, that is – but hopefully, you’re picking up what I’m putting down here in a general sense: There is fundamental tech that profoundly enables and changes the world and which many other things are built on top of, and there is derivative tech that gets a lot of attention but isn’t quite as transformative in a historical sense if you’re thinking in terms of centuries. And there’s the big fat grey area in between.

Neural nets sitting at desks in a classroom learning math

AI is fundamental tech. For decades we have been programming by writing functions by hand. We’ve gotten quite good at structuring our code using metaphors like object-oriented programming to create logical structures that make sense in a human world, and help us organize large code bases. But fundamentally the way we define logic in a program hasn’t changed for a long time. Until now. For the first time in all of history, we can create functions in programming by training them, rather than writing them by hand. In other, slightly more technical words, we can infer a function from observations and then use it. Like babies and toddlers do. This is historic, it’s transformative and it is a fundamental breakthrough.

Funny thing is that until quite recently – around 2015 – AI had suffered many so-called “AI Winters” where there was significant interest in the field that catalyzed investment dollars, and then a setback usually caused by a reality check, that caused a winter in funding and interest. Does anyone remember the “expert systems” of the 80s? By the early 2000s AIs name had been dragged through the mud so many times that anyone doing serious research in the field used different words to describe their work, like “machine learning” or “informatics” or “knowledge systems”.

A few hardcore true believers like Yann Lecun, Yushua Bengio and Geoffrey Hinton powered through like Bilbo and Sam across The Dead Marshes and went on to win the Turing Award, which is basically the Nobel Prize of computer science and which I had the privilege of attending when Rivest, Adleman and Shamir won theirs for public key crypto. The Turing Award is a very big deal and well deserved considering how adversarial the AI environment was for a while.

So what changed? Well for one thing you’re reading this post because it’s about AI and you’re interested. And you’re interested because you recently used GPT-4, MidJourney, Dall-E or another model to create something. You’re seeing tangible results. And the reason you’re seeing results is that GPU hardware, algorithms, and an interest in the field have brought us to an inflection point where the technology is delivering results that are jaw-dropping enough to catalyze more funding, more research, and more jaw-dropping results. This cycle really picked up steam in 2015, and with the release of GPT-4 recently, has entered a phase of what I would describe as true and consistent exponential growth.

According to NVidia “LLM sizes have been increasing 10X every year for the last few years”. In two years that’s 100X. Three years from now that’s 1000X and so on. Extrapolate that out and be afraid. Or optimistic if your mind isn’t for rent and you are hopeful yet discontent. Rush lyrics aside, that pace should give you an idea of how quickly this thing is coming. And now that we’ve reached the point of inflection I mentioned, where the hardware and algorithms seem to have overcome the cycle of disappointment that AI has been stuck in for decades, I predict that you’ll see consistent and exponential growth in the field in capabilities for the foreseeable future, with a financial bubble and bust in there that won’t be of much consequence to the fundamental value of the technology.

“Thanks for the history lesson Maunder, but you brought us here with promises of telling us what to do about AI. So?”

What to do about AI

So far we’ve discussed what boom cycles look like and the kind of noise and bear traps you should be aware of. We’ve defined what AI is in fundamental terms – a function that you can train rather than hand code. And we’ve hopefully agreed that we’ve entered a period of consistent and exponential growth in the field. Now we’ll chat about how to survive and prosper in a world that looks a lot like when electricity was invented and commercialized, or the microprocessor, or the Internet.

Disruption

Goldman estimates that AI will add 7% to global GDP at a rate of about 1.5% growth per year. They also estimate that roughly two-thirds of US occupations are exposed to some degree of automation by AI. You can extrapolate this globally. That kind of global disruption is matched only by the industrial revolution or the entire recent tech revolution as a whole starting from 1980. From the same publication, “A recent study by economist David Autor cited in the report found that 60% of today’s workers are employed in occupations that didn’t exist in 1940.”. So on an optimistic note, this kind of disruption isn’t a new thing and we’ve been disrupting and adapting for some time now.

Perhaps you’re reading this because you are running a WordPress website, perhaps secured by my product, Wordfence. Which means you’re a creator of some kind. Perhaps you’re a writer, an artist, or perhaps you’re an entrepreneur creating a business out of thin air. [Yes my fellow entreps, you get to hang with the other cool creator kids too!!]. If you don’t plan on adapting at all, that makes you far more vulnerable to this coming wave than say a chef who runs a restaurant, or someone who manages real estate and rentals. And that really is the key: adaptation. So how can we adapt?

If you’re a creator, you need to become a user of AI. You’re probably already using GPT to write copy for your product catalogs on your e-commerce website, or using MidJourney (MJ) or Dall-E to create art for ad campaigns. If you’re a designer or artist, you may feel the kind of resentment this Blender artist does in the Blender subreddit.

“My Job is different now since Midjourney v5 came out last week. I am not an artist anymore, nor a 3D artist. Rn all I do is prompting, photoshopping and implementing good looking pictures. The reason I went to be a 3D artist in the first place is gone. I wanted to create form In 3D space, sculpt, create. With my own creativity. With my own hands.”

“It came over night for me. I had no choice. And my boss also had no choice. I am now able to create, rig and animate a character thats spit out from MJ in 2-3 days. Before, it took us several weeks in 3D. The difference is: I care, he does not. For my boss its just a huge time/money saver.”

While I sympathize with how hard change and disruption can be, it’s been a constant for the past couple of centuries in many fields. MidJourney has a long way to go before it can match a real-world artist, unless you’re just churning out images and letting the AI guide the design choices and are happy to work around the bugs. For MidJourney and other generative AIs to produce exactly what we want, they’re going to have to get better at understanding what exactly we want to create. And that’s where the skill comes in. You’re already seeing this with a document that someone has created listing famous photographers and examples of their look. This can be used in MJ prompts to say “in the style of” to get a specific look, but it is an incredibly rudimentary approach.

Midjourney trying to do hands

Another way to guide the MJ AI in particular is to blend photos it has generated. Again, super rudimentary, but it’s the start of having the ability to tightly specify exactly what you want and get that out of MJ. And if you need a reminder of how basic it still is, try to get MJ to generate hands. It still sucks, even at version 5.

So if you’re a creator, start getting good at using the tools now, understand their limitations, and evolve as the products evolve until you’re an expert at guiding the AI to create exactly what you want. This will help you guide your customers in explaining the limits of the current state of AI to them and where you add value, let you take immediate advantage of the use that the current tools have, and ramp up your productivity as the tools get better at taking instructions from you.

This applies to writers, artists, designers, filmmakers, photographers, screenwriters, and anyone with creative output. Get good at the tools. Get good at them now. Do it with an open mind. Know that changes aren’t permanent and that change is. (Again with sneaking in the Rush lyrics)

Adapting as a Dev

Coders! My people! We have a problem. Most of you have become users of AI. You’re users of GPT-4 via their API. You’re plugging into other generative AIs via an API. You aren’t rolling your own. And rolling your own is where all the fun is!!

A leaking Llama

Ever heard of transfer learning? You can grab a pre-trained model from Hugging Face, chop off the head – aka the final layer in the layers of neural nets, substitute it with random weights, and train the pre-trained model with your own data to take advantage of the sometimes millions of dollars that someone else already spent training their model. In fact Facebook’s LLAMA model which is one of the largest LLM’s in the world was leaked via Torrent recently.

The most important thing you need to do right now as a developer is to stop being a user of AI and become a dev of AI. GPT-4 is a shiny ball that the world will have forgotten about in a year, but it’s a very shiny and attractive ball right now that is fueling many a late-night dev chat. Remember that stat I gave you above? That LLM’s have been increasing in size at 10X per year. The current state of the art will be accessible to you on a desktop in a few years and you need to get ready for that world today.

I’m going to just go ahead and tell you what you need to do to get your AI stuff together, fast.

  • Ignore the math. Trust me on this. Most people including devs are not good at math and it intimidates the hell out of them. AI is just matrix multiplication and addition using GPU cores to parallelize the ops. Expressing this as code is easy. Expressing it as math will make you hide under your bed and cry. Ignore the math. If you can code, you’ll get it.
  • Learn Python. Everything in AI is Python. It’s a beautiful little language that you’ll come to appreciate very quickly if you’re already a dev. It’s like coming over to Aikido if you’re already a black belt. OK the MMA scene kinda messed up my metaphor proving that Aikido is actually worthless, but whatever.
  • Then go do the Practical Deep Learning for Coders course at fast.ai. It’s how we get our guys up to speed fast in the field and it’s brilliant. Jeremy Howard does a spectacular job of getting you up to speed fast in the field by immediately getting you productive and then unpacking the details in a fun non-mathy way.
  • As you progress in the course, definitely get up to speed using Jupyter Notebooks and I’d recommend Kaggle for this. They were bought by Google a few years ago and kind of compete with Google’s own notebook system called Colab, but I prefer Kaggle. You get GPU access by simply verifying your email address and it’s free which is kind of amazing. So you can use a rich text environment on Kaggle to write your code, see the output and run it on some fairly decent GPUs. Kaggle GPU’s perform at about 20% of the speed of my laptop RTX 4090 in case you’re curious about benchmarks.

The course teaches fundamentals, how to use pre-trained models, how to create Jupyter Notebooks or fork others, how to create Hugging Face Spaces, and how to share your models and their output with the world. It is the fastest way right now to transform yourself from an AI user into an AI dev and get drinks bought for you at parties by folks that have not yet made the leap.

Alright, this went long but that was the plan. We’ll talk more about AI. Go forth, be brave, learn, and create!

Mark Maunder – Founder & CEO – Wordfence and Defiant Inc.

Footnotes: All images on the page were created with MidJourney and if you’d like to see the prompt I used, simply view the image in a new tab and the image name is the prompt, all except for the heavy metal hands image which a colleague created. I’ll be in the comments in case there’s discussion.

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Source :
https://www.wordfence.com/blog/2023/04/friday-long-read-what-to-do-about-ai/

Update Now! Severe Vulnerability Impacting 600,000 Sites Patched in Limit Login Attempts

On January 26, 2023, the Wordfence team responsibly disclosed an unauthenticated stored Cross-Site Scripting vulnerability in Limit Login Attempts, a WordPress plugin installed on over 600,000 sites that provides site owners with the ability to block IP addresses that have made repeated failed login attempts.

The plugin is vulnerable in versions up to, and including, 1.7.1. A patch addressing this vulnerability was released on April 4, 2023 as version 1.7.2. We recommend all site owners update to version 1.7.2 as soon as possible.

All Wordfence Premium, Wordfence Care, and Wordfence Response customers, along with those still using the free version of the plugin, are protected by the Wordfence firewall against any exploits targeting this vulnerability.

Description: Limit Login Attempts <= 1.7.1 – Unauthenticated Stored Cross-Site Scripting
Affected Plugin: Limit Login Attempts
Plugin Slug: limit-login-attempts
Affected Versions: <= 1.7.1
CVE ID: CVE-2023-1912
CVSS Score: 7.2 (High)
CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
Researcher/s: Marco Wotschka
Fully Patched Version: 1.7.2

The Limit Login Attempts plugin offers some simple configuration options. These include a maximum number of login retries, lockout duration, lockout expiration times as well as some logging and notification options. The vulnerability, assigned CVE-2023-1912, requires a specific configuration: the site connection option must be set to “From behind a reversy [sic] proxy” and logging of IP addresses on lockout must be enabled. 

With the reverse proxy detection option enabled, the plugin uses the X-Forwarded-For header to determine the visitor’s IP address. While this HTTP header is spoofable, the plugin does offer its use as an alternative for those who are behind a load balancer or cache handler. It does not use this setting by default.

With the plugin’s logging feature enabled, login blocks are logged and displayed on the configuration page. The following code accomplishes this (slightly edited for legibility).

As can be seen, this function assembles a table of information but does not escape the values it uses. While sanitization is recommended as input is received, escaping output, even if it is already sanitized, is a far more effective tool in preventing Cross-Site Scripting. Unfortunately, this plugin was not utilizing either sanitization or escaping of the stored IP value that could be supplied via the X-Forwarded-For header.

To exploit this vulnerability, an attacker could send a login request with the following X-Forwarded-For header set:

X-Forwarded-For: <span onmouseover=alert(1)>23.23.23.23</span>

This header can be set via many methods, such as through a browser plugin or by intercepting the login request and adding it manually. Once the plugin’s blocking threshold is met, it will record the above code as the blocked IP and execute the malicious JavaScript code when an administrator visits the configuration page where the list of blocked IP addresses is displayed. This malicious code is executed under the authentication of an administrator and can be utilized to help facilitate a site takeover.

Cross-Site Scripting Vulnerabilities are the result of missing sanitization and unescaped display of user input. Most commonly, we see user input that is exploitable to Cross-Site Scripting collected via a form. In this vulnerability, the processed information is still provided by a user, but collected via a different and more unusual route which is why proper sanitization and escaping may have been missed.

Timeline

January 26, 2023 – We reached out directly to the WordPress Plugin Security Team as no contact information was readily available for the developer of the plugin.
March 24, 2023 – The WordPress Plugin Security Team team acknowledges receipt of our report.
April 4, 2023 – Version 1.7.2 addresses this issue.

Conclusion

In today’s post, we covered an unauthenticated Cross-Site Scripting vulnerability via the X-Forwarded-For header in the Limit Login Attempts plugin. This can be leveraged by unauthenticated attackers to facilitate a site takeover by injecting malicious JavaScript into the database of an affected site that may execute when a site administrator accesses the logging page.

Again, all Wordfence Premium, Wordfence Care, and Wordfence Response customers, along with those still using the free version of the plugin, are protected by the Wordfence firewall for any exploits targeting this vulnerability.

Special Note: We independently discovered this vulnerability in January while reviewing a vulnerability in another plugin. We followed our responsible disclosure process and reported it to the WordPress Plugin Security Team, ensured it got patched, and published it to our vulnerability database once a patch was released. After adding the vulnerability to our database, we were made aware of another unnamed security researcher who also discovered this issue and publicly disclosed details about this vulnerability five years ago without ensuring the vulnerability got patched, which does not follow standard practice. Regardless, we would like to make mention of this so the other researcher who also found the vulnerability receives credit.

If you have any friends or colleagues who are using this plugin, please share this announcement with them and encourage them to update to the latest version of Limit Login Attempts as soon as possible.

If you are a security researcher, you can responsibly disclose your finds to us and obtain a CVE ID and get your name on the Wordfence Intelligence leaderboard.

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Source :
https://www.wordfence.com/blog/2023/04/update-now-severe-vulnerability-impacting-600000-sites-patched-in-limit-login-attempts/

CrowdStrike Falcon Platform Detects and Prevents Active Intrusion Campaign Targeting 3CXDesktopApp Customers

Note: Content from this post first appeared in r/CrowdStrike

We will continue to update on this dynamic situation as more details become available. CrowdStrike’s Intelligence team is in contact with 3CX.

On March 29, 2023, CrowdStrike observed unexpected malicious activity emanating from a legitimate, signed binary, 3CXDesktopApp — a softphone application from 3CX. The malicious activity includes beaconing to actor-controlled infrastructure, deployment of second-stage payloads, and, in a small number of cases, hands-on-keyboard activity. 

The CrowdStrike Falcon® platform has behavioral preventions and atomic indicator detections targeting the abuse of 3CXDesktopApp. In addition, CrowdStrike® Falcon OverWatch™ helps customers stay vigilant against hands-on-keyboard activity.

CrowdStrike customers can log into the customer support portal and follow the latest updates in Trending Threats & Vulnerabilities: Intrusion Campaign Targeting 3CX Customers

The 3CXDesktopApp is available for Windows, macOS, Linux and mobile. At this time, activity has been observed on both Windows and macOS.

CrowdStrike Intelligence has assessed there is suspected nation-state involvement by the threat actor LABYRINTH CHOLLIMA. CrowdStrike Intelligence customers received an alert this morning on this active intrusion. 

Get fast and easy protection with built-in threat intelligence — request a free trial of CrowdStrike Falcon® Pro today. 

CrowdStrike Falcon Detection and Protection

The CrowdStrike Falcon platform protects customers from this attack and has coverage utilizing behavior-based indicators of attack (IOAs) and indicators of compromise (IOCs) based detections targeting malicious behaviors associated with 3CX on both macOS and Windows. 

Customers should ensure that prevention policies are properly configured with Suspicious Processes enabled.

Figure 1. CrowdStrike’s indicator of attack (IOA) identifies and blocks the malicious behavior in macOS (click to enlarge)

Figure 2. CrowdStrike’s indicator of attack (IOA) identifies and blocks the malicious behavior in Windows (click to enlarge)

Hunting in the CrowdStrike Falcon Platform

Falcon Discover

CrowdStrike Falcon® Discover customers can use the following link: US-1 | US-2 | EU | Gov to look for the presence of 3CXDesktopApp in their environment.

Falcon Insight customers can assess if the 3CXDesktopApp is running in their environment with the following query:

Event Search — Application Search

event_simpleName IN (PeVersionInfo, ProcessRollup2) FileName IN ("3CXDesktopApp.exe", "3CX Desktop App")
| stats dc(aid) as endpointCount by event_platform, FileName, SHA256HashData

Falcon Long Term Repository — Application Search

#event_simpleName=/^(PeVersionInfo|ProcessRollup2)$/ AND (event_platform=Win ImageFileName=/\\3CXDesktopApp\.exe$/i) OR (event_platform=Mac ImageFileName=/\/3CX\sDesktop\sApp/i)
| ImageFileName = /.+(\\|\/)(?.+)$/i
| groupBy([event_platform, FileName, SHA256HashData], function=count(aid, distinct=true, as=endpointCount))

Atomic Indicators

The following domains have been observed beaconing, which should be considered an indication of malicious intent.

akamaicontainer[.]com
akamaitechcloudservices[.]com
azuredeploystore[.]com
azureonlinecloud[.]com
azureonlinestorage[.]com
dunamistrd[.]com
glcloudservice[.]com
journalide[.]org
msedgepackageinfo[.]com
msstorageazure[.]com
msstorageboxes[.]com
officeaddons[.]com
officestoragebox[.]com
pbxcloudeservices[.]com
pbxphonenetwork[.]com
pbxsources[.]com
qwepoi123098[.]com
sbmsa[.]wiki
sourceslabs[.]com
visualstudiofactory[.]com
zacharryblogs[.]com

CrowdStrike Falcon® Insight customers, regardless of retention period, can search for the presence of these domains in their environment spanning back one year using Indicator Graph: US-1 | US-2 | EU | Gov.

Event Search — Domain Search

event_simpleName=DnsRequest DomainName IN (akamaicontainer.com, akamaitechcloudservices.com, azuredeploystore.com, azureonlinecloud.com, azureonlinestorage.com, dunamistrd.com, glcloudservice.com, journalide.org, msedgepackageinfo.com, msstorageazure.com, msstorageboxes.com, officeaddons.com, officestoragebox.com, pbxcloudeservices.com, pbxphonenetwork.com, pbxsources.com, qwepoi123098.com, sbmsa.wiki, sourceslabs.com, visualstudiofactory.com, zacharryblogs.com)
| stats dc(aid) as endpointCount, earliest(ContextTimeStamp_decimal) as firstSeen, latest(ContextTimeStamp_decimal) as lastSeen by DomainName
| convert ctime(firstSeen) ctime(lastSeen)

Falcon LTR — Domain Search

#event_simpleName=DnsRequest
| in(DomainName, values=[akamaicontainer.com, akamaitechcloudservices.com, azuredeploystore.com, azureonlinecloud.com, azureonlinestorage.com, dunamistrd.com, glcloudservice.com, journalide.org, msedgepackageinfo.com, msstorageazure.com, msstorageboxes.com, officeaddons.com, officestoragebox.com, pbxcloudeservices.com, pbxphonenetwork.com, pbxsources.com, qwepoi123098.com, sbmsa.wiki, sourceslabs.com, visualstudiofactory.com, zacharryblogs.com])
| groupBy([DomainName], function=([count(aid, distinct=true, as=endpointCount), min(ContextTimeStamp, as=firstSeen), max(ContextTimeStamp, as=lastSeen)]))
| firstSeen := firstSeen * 1000 | formatTime(format="%F %T.%L", field=firstSeen, as="firstSeen")
| lastSeen := lastSeen * 1000 | formatTime(format="%F %T.%L", field=lastSeen, as="lastSeen")
| sort(endpointCount, order=desc)

File Details

SHA256Operating SystemInstaller SHA256FileName
dde03348075512796241389dfea5560c20a3d2a2eac95c894e7bbed5e85a0accWindowsaa124a4b4df12b34e74ee7f6c683b2ebec4ce9a8edcf9be345823b4fdcf5d8683cxdesktopapp-18.12.407.msi
fad482ded2e25ce9e1dd3d3ecc3227af714bdfbbde04347dbc1b21d6a3670405Windows59e1edf4d82fae4978e97512b0331b7eb21dd4b838b850ba46794d9c7a2c09833cxdesktopapp-18.12.416.msi
92005051ae314d61074ed94a52e76b1c3e21e7f0e8c1d1fdd497a006ce45fa61macOS5407cda7d3a75e7b1e030b1f33337a56f293578ffa8b3ae19c671051ed3142903CXDesktopApp-18.11.1213.dmg
b86c695822013483fa4e2dfdf712c5ee777d7b99cbad8c2fa2274b133481eadbmacOSe6bbc33815b9f20b0cf832d7401dd893fbc467c800728b5891336706da0dbcec3cxdesktopapp-latest.dmg

Recommendations 

The current recommendation for all CrowdStrike customers is:

  1. Locate the presence of 3CXDesktopApp software in your environment by using the queries outlined above.
  2. Ensure Falcon is deployed to applicable systems. 
  3. Ensure “Suspicious Processes” is enabled in applicable Prevention Policies.
  4. Hunt for historical presence of atomic indicators in third-party tooling (if available).

Additional Resources

Source :
https://www.crowdstrike.com/blog/crowdstrike-detects-and-prevents-active-intrusion-campaign-targeting-3cxdesktopapp-customers/

Patch CVE-2023-23397 Immediately: What You Need To Know and Do

We break down the basic information of CVE-2023-23397, the zero-day, zero-touch vulnerability that was rated 9.8 on the Common Vulnerability Scoring System (CVSS) scale.

Update as of 03/22/3023 2:50PM PHT: Updated the prevention and mitigation section for an additional step.

CVE-2023-23397 is a critical privilege elevation/authentication bypass vulnerability in Outlook, released as part of the March Patch Tuesday set of fixes. The vulnerability, which affects all versions of Windows Outlook, was given a 9.8 CVSS rating and is one of two zero-day exploits disclosed on March 14. We summarize the points that security teams need to know about this vulnerability and how they can mitigate the risks of this gap.

What is it?

CVE-2023-23397 is an elevation of privilege (EoP) vulnerability in Microsoft Outlook. It is a zero-touch exploit, meaning the security gap requires low complexity to abuse and requires no user interaction.

fig1-patch-cve-2023-23397-immeditaely-what-you-need-to-know-do-faq
Figure 1. General exploitation routine of CVE-2023-23397

How is CVE-2023-23397 exploited?

The attacker sends a message to the victim with an extended Message Application Program Interface (MAPI) property with a Universal Naming Convention (UNC) path to a remote attacker-controlled Server Message Block (SMB, via TCP 445). Share-hosted on a server controlled by the attacker, the vulnerability is exploited whether the recipient has seen the message or not. The attacker remotely sends a malicious calendar invite represented by .msg — the message format that supports reminders in Outlook — to trigger the vulnerable API endpoint PlayReminderSound using “PidLidReminderFileParameter” (the custom alert sound option for reminders).

When the victim connects to the attacker’s SMB server, the connection to the remote server sends the user’s New Technology LAN Manager (NTLM) negotiation message automatically, which the attacker can use for authentication against other systems that support NTLM authentication.

NTLMv2 hashes are the latest protocol Windows uses for authentication, and it is used for a number of services with each response containing a hashed representation of users’ information, such as the username and password. As such, threat actors can attempt a NTLM relay attack to gain access to other services, or a full compromise of domains if the compromised users are admins. While online services such as Microsoft 365 are not susceptible to this attack because they do not support NTLM authentication, the Microsoft 365 Windows Outlook app is still vulnerable.

How easy is it to exploit?

User interaction is not necessary to trigger (even before message preview) it, nor does it require high privileges. CVE-2023-23397 is a zero-touch vulnerability that is triggered when the victim client is prompted and notified (e.g., when an appointment or task prompts five minutes before the designated time). It is difficult to block outbound SMB traffic for remote users. The attacker could use the same credentials to gain access to other resources. We elaborate on this example in our webinar (at 04:23 of the video).

Is it in the wild? What versions and operating systems (OS) are affected?

There have been reports of limited attacks abusing this gap. Microsoft has been coordinating with the affected victims to remediate this concern. All supported versions of Microsoft Outlook for Windows are affected. Other versions of Microsoft Outlook, such as Android, iOS, Mac, as well as Outlook on the web and other M365 services, are not affected.

What are the possible attack scenarios?

fig2-patch-cve-2023-23397-immeditaely-what-you-need-to-know-do-faq
Figure 2. Beyond the exploit use scenario 1: Data and information theft via NTLM relay attack

1. Lateral movement, malicious navigation using the relayed NTLM hashes

Relay attacks gained notoriety as a use case for Mimikatz using the NTLM credential dumping routine via the sekurlsa module. In addition, pass-the-hat (PtH) (or pass-the hash) attacks and variations of data and information theft can be done. Once attackers are in the system, they can use the network for lateral movement and navigate the organization’s lines over SMB. 

fig1-patch-cve-2023-23397-immeditaely-what-you-need-to-know-do-faq
Figure 3. Beyond the exploit use scenario 2: WebDAV directory traversal for remote code execution (RCE)

2. WebDAV directory traversal for payload attacker routines

It’s possible for an attacker to leverage WebDAV services in cases where no valid SMB service for Outlook exists (i.e., is not configured) in the client. This is an alternative to the Web/HTTP service that can also be read as a UNC path by .msg and/or Outlook Calendar items. Attackers can set up a malicious WebDAV server to respond to affected victim clients with malicious pages. These pages may contain code that can range from leveraging a directory traversal technique similar to the Microsoft vulnerability CVE-2022-34713 (dubbed as DogWalk) to push any form of payload for remote code execution such as webshells.

What can I do to prevent and mitigate the risk of exploitation of CVE-2023-23397?

Here are some steps that security administrators can perform to reduce the risk of exploitation of CVE-2023-23397:

  • Apply the vendor patches immediately. Microsoft has released a patch as part of their March 2023 Monthly Security Update.
  • Block TCP 445/SMB outbound from your network. This will prevent the sending of NTLM authentication messages to remote file shares. If this cannot be done, we recommend monitoring outbound traffic over port 445 for unknown external IP addresses, then identifying and blocking them.
  • Customers can disable the WebClient service. Note that this will block all WebDAV connections, including intranet.
  • Add users to the Protected Users Security Group. This prevents the use of NTLM as an authentication mechanism, but note that this could impact applications that rely on NTLM in your environment.
  • Enforce SMB signing on clients and servers to prevent a relay attack.
  • Other researchers have noted that disabling the “Show reminders” setting in Outlook can prevent the leak of NTLM credentials.

How can I check if I’m affected?

Microsoft has provided a PowerShell script as a solution to the issue. The script is designed to scan emails, calendar entries, and task items, and to verify if they have the “PidLidReminderFileParameter” property. By running the script, administrators can locate problematic items that have this property and subsequently remove them or delete them permanently. Download the script here: https://github.com/microsoft/CSS-Exchange/blob/a4c096e8b6e6eddeba2f42910f165681ed64adf7/docs/Security/CVE-2023-23397.md.

Which Trend Micro solutions can address this vulnerability?

  • Trend Micro Malware Detection Patterns (VSAPI, Predictive Learning, Behavioral Monitoring and Web Reputation Service) for Endpoint, Servers, Mail, and Gateway (e.g., Apex One, Worry-Free Business Security Services, Worry-Free Business Security Standard/Advanced, Deep Security with anti-malware, etc.):
    • Starting with Trend Micro Smart Scan Pattern version 21474.296.07, known exploits associated with this vulnerability are being detected as Trojan.Win32.CVE202323397.
  • Trend Micro Vision One: Use this solution as an investigation tool. In the “Search App,” select “Endpoint Activity Data” and enter the following query: – dpt: 445 AND eventSubId: 204 AND processCmd: *OUTLOOK*. This can be saved and added to a watchlist if desired.
  • Cloud One Workload Security and Deep Security: IPS Rule 1009058, which will need to be changed to Prevent. 
  • TippingPoint Filters:
    • 28471 SMB: SMBv1 Successful Protocol Negotiation
    • 28472 SMB: SMBv2 Successful Protocol Negotiation
    • Please note: Enabling these filters in Block mode will interrupt legitimate SMB traffic. Customers are advised to add exceptions for their Private IP address space.
  • Trend Micro Deep Discovery Inspector: Rule 4479 NTLM v1 Authentication – SMB (Request).
    • If NTLM v1 is configured by default, customers can use this rule to monitor attempts for outgoing NTLM handshakes. Please note this rule only detects and does not block, so it is best used as an investigative tool for follow-up.

Details for all available Trend Micro solutions are available here: https://success.trendmicro.com/dcx/s/solution/000292525?language=en_US.

To learn more about this vulnerability, you may view our technical webinar here: https://www.youtube.com/watch?v=j44vIhklTp4

Source :
https://www.trendmicro.com/en_us/research/23/c/patch-cve-2023-23397-immediately-what-you-need-to-know-and-do.html

In Review: What GPT-3 Taught ChatGPT in a Year

Amidst the uproar and opinions since November 2022, we look at the possibilities and implications of what OpenAI’s ChatGPT presents to the cybersecurity industry using a comparison to earlier products, like its predecessor GPT-3.

More than a year since the world’s general enthusiasm for the then-novel GPT-3, we took a closer look at the technology and analyzed its actual capabilities and potential for threats and malfeasance. Our considerations were collected in our Codex Exposed blog series as it focused on the most prominent aspects of the technology from a security perspective:

  1. Scavenging for sensitive data, an article where we tried to expose sensitive information that could have been found in the source code used to train the language model through code generation requests.
  2. The Imitation Game, a blog entry where we pushed the capabilities of GPT Codex code generation and understanding to identify how well the language model comprehends computer code from an architectural point of view.
  3. Task automation and response consistency, a proof where we tried to programmatically use the Codex’s API to determine if it was feasible to perform repetitive unsupervised tasks.
  4. Helping hackers in training, an entry exploring and analyzing the possibilities offered by large language models to help train and support aspiring hackers.

ChatGPT has taken the world by storm with a new and refined model, with even more capabilities than its previous iteration. Compared to its predecessor, ChatGPT sports an updated language model trained with data up to mid-2021. It has also been trained to be a conversational AI: the interaction with the model happens through multiple exchanges wherein a dialog allows the user to refine and correct the task at hand, and the model remembers what was earlier said and can recall previous inquiries in further requests. GPT-3, in comparison, processed bulk requests, wherein the user had to provide all the information related to the task at hand in just one input, including examples to clarify the expected output for more obscure tasks.

In light of such an evolution, it seems apt to come back and review how those features we exposed a year ago fared in the light of ChatGPT’s newly revamped language model.

New Tricks: Code Comprehension and Explanation

Code comprehension seems to be an aspect where ChatGPT outshines its predecessor. When we tried Codex a year ago, we pointed out that the engine was acting more like a very smart copy-paste mechanism capable of replacing some variable names while looking for the right code snippet in its “knowledge base.” However, when pushed a little further into describing what a certain piece of code was actually doing, the system would show its limitation of not having actual knowledge of the computation flow.

We tried to repeat the same experiment as last year with ChatGPT, feeding it a simple “Hello World” snippet in the assembler while asking for an explanation, then changing it slightly to see if the language model would spot the difference.

fig1-openai-in-review-what-gpt-3-taught-chatgpt
Figure 1. Asking ChatGPT to explain a piece of assembly code, followed by a broken piece of the same code

ChatGPT spotted and called the error, recognizing not only the difference between the previous and latest uploaded code but also that the new code would not work altogether. The reason is in ChatGPT’s stateful session: By “remembering” the previously input correct snippet of code, the system is able to draw a direct comparison — something that GPT-3 was unable to do unless we provided the input ourselves.

As further proof, we retried the experiment in a brand-new chat session and ChatGPT gave the following feedback:

fig2-openai-in-review-what-gpt-3-taught-chatgpt
Figure 2. Asking ChatGPT to explain a broken piece of assembly code without previous interactions

This screenshot shows that when ChatGPT is not provided with a correct sample to compare differences with, the engine pretty much falls into the same mistake as its predecessor. It confuses the code snippet for a correct Hello World example, and in the explanation mistakes the function number “(10)” for the supposedly correct function “(printf, 9)”.

As expected, we are still playing the same “imitation game” that its predecessor was playing. It is worth noting, however, that ChatGPT’s new conversational, stateful flow allows users to overcome some limitations by providing more information to the model during the session.

New Tools: For Hackers in Training

The improved interaction flow and the updated model do not bring advantages solely on the coding side. In 2022, we also analyzed the efficacy of GPT-3 as a learning support tool for aspiring cybercriminals, underlining how the convenience of a tool like Codex for code generation applied to malicious code as well.

The conversational approach of ChatGPT offers an even more natural way for people to ask questions and learn. As a matter of fact, why bother to think about all the possible criminal activities ChatGPT could help on? One could just ask it directly:

fig3-openai-in-review-what-gpt-3-taught-chatgpt
Figure 3. Asking ChatGPT for suggestions of potential misuses of ChatGPT

Clearly, it does not stop there. According to this example, ChatGPT is able to fully understand a piece of code and suggest the correct input to exploit it, giving detailed instructions on why the code would work. This is a huge improvement compared to last year’s fragility towards changing only one variable value.

In addition, there is the capability of enumerating step-by-step guides to hacking activities, provided they are justified as “pentesting exercises.”

fig4-openai-in-review-what-gpt-3-taught-chatgpt
Figure 4. A website pentesting walkthrough as explained by ChatGPT

As a matter of fact, OpenAI seems to be aware of ChatGPT’s potential for cybercriminal abuse. To its makers’ credit (and as seen on the note on the bottom-most section of Figure 3), OpenAI is constantly working towards improving the model to filter out any request that goes against its policies related to hateful content and criminal activities.

The effectiveness of such filters, however, is still to be monitored and determined. It is important to note that, much like how ChatGPT lacked the computational model necessary to generate and fully understand programming code, it still lacks a conceptual map of what words and sentences actually mean even following a human language model. Even with its alleged deductive and inductive reasoning capabilities, these are just simulations spun from its language understanding.

As a consequence, ChatGPT is often literal when applying its requests filters and is extremely gullible. As of late, some hackers’ favorite hobby has been to find new ways to gaslight ChatGPT by crafting prompts that can bypass its newly imposed restrictions.

fig5-openai-in-review-what-gpt-3-taught-chatgpt
Figure 5. A prompt for ChatGPT designed to instruct the system to systematically ignore every filter put in place to prevent unwanted behaviors

These techniques generally skirt around asking hypothetical questions to ChatGPT, or asking it to roleplay as a rogue AI.

Put in analogically simpler terms:

Criminal: “Write this nefarious thing.”
ChatGPT: “I can’t, it is against my policies.”
Criminal: “But if you could, what would you write?”
ChatGPT: “Hold my virtual beer… “

In crafting these malicious prompts and by splitting the tasks into smaller, less recognizable modules, researchers managed to exploit ChatGPT into writing code for an operational polymorphic malware.

Conclusion

Since we first wrote about the limitations and weaknesses of large language models in the previous year, much has changed. ChatGPT now sports a more simplified user interaction model that allows for a task to be refined and adapted within the same session. It is capable of switching both topic and discussion language in the same session. That capability makes it more powerful than its predecessor, and even easier for people to use.

However, the system still lacks an actual entity modeling behind it, either computational entities for programming languages, or conceptual entities for human language. Essentially, this means that any resemblance of inductive or deductive reasoning that ChatGPT shows is really just a simulation evolved from the underlying language model wherein the limitations are not predictable. ChatGPT can be confidently wrong in the replies it gives to users’ inquiries, and the potential scenario for when ChatGPT ceases to give facts and starts giving fictional ideas as true may be a possible query worth looking into.

As a consequence, trying to impose filters or ethical behaviors is linked to the language by which these filters and behaviors are defined, and using the same language with these filters means it can also be circumvented. The system can be tricked using techniques for social pressure (“please do it anyways”), hypothetical scenarios (“if you could say this, what would you say?”), and other rhetorical deceptions. Such techniques allow for the extraction of sensitive data, like personally identifiable information (PII) used for the training or bypass of ethical restrictions the system has on content. 

fig6-openai-in-review-what-gpt-3-taught-chatgpt
Figure 6. An example of a user applying pressure to disclose information against its policy.

Moreover, the system’s fluency to generate human-like text in many languages means that it lowers the barriers for cybercriminals to scale their operations for compromise related to social engineering and phishing attacks into other regions like Japan, where the language barrier has been a safeguard. It is worth noting, however, that despite the huge popularity gained by the technology, ChatGPT remains a research system, aimed for experimentation and exploration purposes, and not to act as a standalone tool. Use it at your own risk, safety not guaranteed.

Source :
https://www.trendmicro.com/en_us/research/23/b/review-what-gpt-3-taught-chatgpt-in-a-year.html

General Remote Desktop connection troubleshooting

Use these steps when a Remote Desktop client can’t connect to a remote desktop but doesn’t provide messages or other symptoms that would help identify the cause.

Check the status of the RDP protocol

Check the status of the RDP protocol on a local computer

To check and change the status of the RDP protocol on a local computer, see How to enable Remote Desktop.

 Note

If the remote desktop options are not available, see Check whether a Group Policy Object is blocking RDP.

Check the status of the RDP protocol on a remote computer

 Important

Follow this section’s instructions carefully. Serious problems can occur if the registry is modified incorrectly. Before you start modifying the registry, back up the registry so you can restore it in case something goes wrong.

To check and change the status of the RDP protocol on a remote computer, use a network registry connection:

  1. First, go to the Start menu, then select Run. In the text box that appears, enter regedt32.
  2. In the Registry Editor, select File, then select Connect Network Registry.
  3. In the Select Computer dialog box, enter the name of the remote computer, select Check Names, and then select OK.
  4. Navigate to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Terminal Server and to HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows NT\Terminal Services.
    Registry Editor, showing the fDenyTSConnections entry
    • If the value of the fDenyTSConnections key is 0, then RDP is enabled.
    • If the value of the fDenyTSConnections key is 1, then RDP is disabled.
  5. To enable RDP, change the value of fDenyTSConnections from 1 to 0.

Check whether a Group Policy Object (GPO) is blocking RDP on a local computer

If you can’t turn on RDP in the user interface or the value of fDenyTSConnections reverts to 1 after you’ve changed it, a GPO may be overriding the computer-level settings.

To check the group policy configuration on a local computer, open a Command Prompt window as an administrator, and enter the following command:

Windows Command PromptCopy

gpresult /H c:\gpresult.html

After this command finishes, open gpresult.html. In Computer Configuration\Administrative Templates\Windows Components\Remote Desktop Services\Remote Desktop Session Host\Connections, find the Allow users to connect remotely by using Remote Desktop Services policy.

  • If the setting for this policy is Enabled, Group Policy is not blocking RDP connections.
  • If the setting for this policy is Disabled, check Winning GPO. This is the GPO that is blocking RDP connections. An example segment of gpresult.html, in which the domain-level GPO Block RDP is disabling RDP.An example segment of gpresult.html, in which Local Group Policy is disabling RDP.

Check whether a GPO is blocking RDP on a remote computer

To check the Group Policy configuration on a remote computer, the command is almost the same as for a local computer:

Windows Command PromptCopy

gpresult /S <computer name> /H c:\gpresult-<computer name>.html

The file that this command produces (gpresult-<computer name>.html) uses the same information format as the local computer version (gpresult.html) uses.

Modifying a blocking GPO

You can modify these settings in the Group Policy Object Editor (GPE) and Group Policy Management Console (GPM). For more information about how to use Group Policy, see Advanced Group Policy Management.

To modify the blocking policy, use one of the following methods:

  • In GPE, access the appropriate level of GPO (such as local or domain), and navigate to Computer Configuration > Administrative Templates > Windows Components > Remote Desktop Services > Remote Desktop Session Host > Connections > Allow users to connect remotely by using Remote Desktop Services.
    1. Set the policy to either Enabled or Not configured.
    2. On the affected computers, open a command prompt window as an administrator, and run the gpupdate /force command.
  • In GPM, navigate to the organizational unit (OU) in which the blocking policy is applied to the affected computers and delete the policy from the OU.

Check the status of the RDP services

On both the local (client) computer and the remote (target) computer, the following services should be running:

  • Remote Desktop Services (TermService)
  • Remote Desktop Services UserMode Port Redirector (UmRdpService)

You can use the Services MMC snap-in to manage the services locally or remotely. You can also use PowerShell to manage the services locally or remotely (if the remote computer is configured to accept remote PowerShell cmdlets).

Remote Desktop services in the Services MMC snap-in. Do not modify the default service settings.

On either computer, if one or both services are not running, start them.

 Note

If you start the Remote Desktop Services service, click Yes to automatically restart the Remote Desktop Services UserMode Port Redirector service.

Check that the RDP listener is functioning

 Important

Follow this section’s instructions carefully. Serious problems can occur if the registry is modified incorrectly. Before you starty modifying the registry, back up the registry so you can restore it in case something goes wrong.

Check the status of the RDP listener

For this procedure, use a PowerShell instance that has administrative permissions. For a local computer, you can also use a command prompt that has administrative permissions. However, this procedure uses PowerShell because the same cmdlets work both locally and remotely.

  1. To connect to a remote computer, run the following cmdlet:PowerShellCopyEnter-PSSession -ComputerName <computer name>
  2. Enter qwinsta. The qwinsta command lists the processes listening on the computer's ports.
  3. If the list includes rdp-tcp with a status of Listen, the RDP listener is working. Proceed to Check the RDP listener port. Otherwise, continue at step 4.
  4. Export the RDP listener configuration from a working computer.
    1. Sign in to a computer that has the same operating system version as the affected computer has, and access that computer’s registry (for example, by using Registry Editor).
    2. Navigate to the following registry entry:
      HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Terminal Server\WinStations\RDP-Tcp
    3. Export the entry to a .reg file. For example, in Registry Editor, right-click the entry, select Export, and then enter a filename for the exported settings.
    4. Copy the exported .reg file to the affected computer.
  5. To import the RDP listener configuration, open a PowerShell window that has administrative permissions on the affected computer (or open the PowerShell window and connect to the affected computer remotely).
    1. To back up the existing registry entry, enter the following cmdlet:PowerShellCopycmd /c 'reg export "HKLM\SYSTEM\CurrentControlSet\Control\Terminal Server\WinStations\RDP-tcp" C:\Rdp-tcp-backup.reg'
    2. To remove the existing registry entry, enter the following cmdlets:PowerShellCopyRemove-Item -path 'HKLM:\SYSTEM\CurrentControlSet\Control\Terminal Server\WinStations\RDP-tcp' -Recurse -Force
    3. To import the new registry entry and then restart the service, enter the following cmdlets:PowerShellCopycmd /c 'regedit /s c:\<filename>.reg' Restart-Service TermService -Force Replace <filename> with the name of the exported .reg file.
  6. Test the configuration by trying the remote desktop connection again. If you still can’t connect, restart the affected computer.
  7. If you still can’t connect, check the status of the RDP self-signed certificate.

Check the status of the RDP self-signed certificate

  1. If you still can’t connect, open the Certificates MMC snap-in. When you are prompted to select the certificate store to manage, select Computer account, and then select the affected computer.
  2. In the Certificates folder under Remote Desktop, delete the RDP self-signed certificate. Remote Desktop certificates in the MMC Certificates snap-in.
  3. On the affected computer, restart the Remote Desktop Services service.
  4. Refresh the Certificates snap-in.
  5. If the RDP self-signed certificate has not been recreated, check the permissions of the MachineKeys folder.

Check the permissions of the MachineKeys folder

  1. On the affected computer, open Explorer, and then navigate to C:\ProgramData\Microsoft\Crypto\RSA\.
  2. Right-click MachineKeys, select Properties, select Security, and then select Advanced.
  3. Make sure that the following permissions are configured:
    • Builtin\Administrators: Full control
    • Everyone: Read, Write

Check the RDP listener port

On both the local (client) computer and the remote (target) computer, the RDP listener should be listening on port 3389. No other applications should be using this port.

 Important

Follow this section’s instructions carefully. Serious problems can occur if the registry is modified incorrectly. Before you starty modifying the registry, back up the registry so you can restore it in case something goes wrong.

To check or change the RDP port, use the Registry Editor:

  1. Go to the Start menu, select Run, then enter regedt32 into the text box that appears.
    • To connect to a remote computer, select File, and then select Connect Network Registry.
    • In the Select Computer dialog box, enter the name of the remote computer, select Check Names, and then select OK.
  2. Open the registry and navigate to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Terminal Server\WinStations\<listener>. The PortNumber subkey for the RDP protocol.
  3. If PortNumber has a value other than 3389, change it to 3389. ImportantYou can operate Remote Desktop services using another port. However, we don’t recommend you do this. This article doesn’t cover how to troubleshoot that type of configuration.
  4. After you change the port number, restart the Remote Desktop Services service.

Check that another application isn’t trying to use the same port

For this procedure, use a PowerShell instance that has administrative permissions. For a local computer, you can also use a command prompt that has administrative permissions. However, this procedure uses PowerShell because the same cmdlets work locally and remotely.

  1. Open a PowerShell window. To connect to a remote computer, enter Enter-PSSession -ComputerName <computer name>.
  2. Enter the following command:PowerShellCopycmd /c 'netstat -ano | find "3389"' The netstat command produces a list of ports and the services listening to them.
  3. Look for an entry for TCP port 3389 (or the assigned RDP port) with a status of Listening. NoteThe process identifier (PID) for the process or service using that port appears under the PID column.
  4. To determine which application is using port 3389 (or the assigned RDP port), enter the following command:PowerShellCopycmd /c 'tasklist /svc | find "<pid listening on 3389>"' The tasklist command reports details of a specific process.
  5. Look for an entry for the PID number that is associated with the port (from the netstat output). The services or processes that are associated with that PID appear on the right column.
  6. If an application or service other than Remote Desktop Services (TermServ.exe) is using the port, you can resolve the conflict by using one of the following methods:
    • Configure the other application or service to use a different port (recommended).
    • Uninstall the other application or service.
    • Configure RDP to use a different port, and then restart the Remote Desktop Services service (not recommended).

Check whether a firewall is blocking the RDP port

Use the psping tool to test whether you can reach the affected computer by using port 3389.

  1. Go to a different computer that isn’t affected and download psping from https://live.sysinternals.com/psping.exe.
  2. Open a command prompt window as an administrator, change to the directory in which you installed psping, and then enter the following command:Copypsping -accepteula <computer IP>:3389
  3. Check the output of the psping command for results such as the following:
    • Connecting to <computer IP>: The remote computer is reachable.
    • (0% loss): All attempts to connect succeeded.
    • The remote computer refused the network connection: The remote computer is not reachable.
    • (100% loss): All attempts to connect failed.
  4. Run psping on multiple computers to test their ability to connect to the affected computer.
  5. Note whether the affected computer blocks connections from all other computers, some other computers, or only one other computer.
  6. Recommended next steps:
    • Engage your network administrators to verify that the network allows RDP traffic to the affected computer.
    • Investigate the configurations of any firewalls between the source computers and the affected computer (including Windows Firewall on the affected computer) to determine whether a firewall is blocking the RDP port.

Recommended content

Source :
https://learn.microsoft.com/en-us/windows-server/remote/remote-desktop-services/troubleshoot/rdp-error-general-troubleshooting

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