Password spraying and MFA bypasses in the modern security landscape

Any offensive security operator will tell you that guessing employee credentials is key to compromising your customer’s network – and therefore highlighting vulnerabilities – during a cyber-security engagement. The thing is, it’s easier said than done as companies increasingly continue to transition to cloud services such as Microsoft Office 365 (O365) – all of which provide multi-factor authentication (MFA)

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Crossing the Log4j Horizon - A Vulnerability With No Return

In this article, we are going to exploit Log4j vulnerabilities in VMWare Horizon, get a reverse shell, and leverage our access to add a backdoor to the VMBlastSG framework. We have also made available a GitHub repository that automates the exploitation process.

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Another Log4j on the fire: Unifi

By now, you’re probably well aware of a recently disclosed vulnerability for the Java logging library, Log4j. The vulnerability is wide-reaching and affects Ubiquiti's Unifi Network Application.

In this article, we’re going to break down the exploitation process and touch on some post-exploitation methods for leveraging access to the underlying operating system.

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How to exploit Log4j vulnerabilities in VMWare vCenter

A vulnerability was recently disclosed for the Java logging library, Log4j. The vulnerability is wide-reaching and affects both open source projects and enterprise software, meaning we need to understand how to ID and remediate it in our network environments.

Shortly after the issue was disclosed, VMWare announced that several of their products were affected. A Proof of Concept has been released for VMWare vCenter Server instances and explains how this vulnerability allows attackers to execute code as an unauthenticated user using a single HTTP request.

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Never stop frontin: How to quickly setup a redirector and transparent reverse proxy

Protecting your infrastructure from prying eyes is an important part of landing a phish and maintaining access to a client’s network. The process of setting up redirectors and reverse proxies has traditionally been difficult and hard to automate across different cloud platforms.

Today, we’re going to solve that problem with our new repository, sneaky_proxy, which will allow you to automate your efforts.

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The ultimate tag team: PetitPotam and ADCS pwnage from Linux

PetitPotam and ADCS exploitation are nothing short of amazing. Exploitation is a breeze and results in full domain admin access.

With these two TTPs, an attacker can hop on a network, exploit the vulnerability, do some command-line magic and have local administrator privileges on a domain controller in under 15 minutes. So far, no one has detailed the exploitation process fully on Linux and that’s what we’re going to do today.

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How to limit cleartext password storage and fix the issue in your organization

The key to our engagements often and unfortunately involve the discovery of credentials on internal network file shares. We’re going to show you how we find cleartext password storage problems and how to address them.

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Never had a bad day phishing. How to set up GoPhish to evade security controls.

I’m going to quickly go through the process of setting up GoPhish and show you how we evade defenders to increase the success rate of our phishing campaigns.

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What the heck is an attack surface … and why do I need to protect it?

Maybe you’ve heard your IT security team talking about attack surfaces? Or, maybe the term has come up during a virtual conference or in your newsfeed. It’s important to take a step back and understand what an attack surface is and why you need to protect it.

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Reliable Username Enumeration: A step-by-step guide

Collecting and validating an organization’s employee base is critical for any successful offensive information security operation. With this information, we’re able to conduct social engineering campaigns and password spray endpoints. Check out the full post to learn the process for fully enumerating an organization’s employee base.

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