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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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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#PrintNightmare – Is your company protected from this Print Spooler vulnerability?

Hey, you love printers right? They’re that reliable, steadfast piece of technology that always seems to work and never gives you any headaches ... right? Well, buckle up.

Microsoft is releasing emergency security patches to address a critical privilege escalation and remote code execution vulnerability found within the Print Spooler service.

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How to exploit Zerologon (CVE-2020-1472)

Recently, one of the most significant Microsoft Windows vulnerabilities since Eternal Blue (MS17-010) was brought to light. We’re going to show you how to exploit it during a pentest.

This walkthrough shows you how to exploit the Zerologon vulnerability to gain domain admin during a pentest.

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