Threat Research Blog
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Read ArticleInside Matanbuchus: A Quirky Loader
An in-depth analysis of Matanbuchus loader’s tricks and loading techniques Matanbuchus is a Malware-as-a-Service loader that has been sold on underground markets for more than one year....
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CyberArk Named a Leader in the 2022 Gartner® Magic Quadrant™ for Privileged Access Management – again.
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Read ArticleThat Pipe is Still Leaking: Revisiting the RDP Named Pipe Vulnerability
On January 11, 2022, we published a blog post describing the details of CVE-2022-21893, a Remote Desktop vulnerability that we found and reported to Microsoft. After analyzing the patch that fixed...
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Read ArticleGo BLUE! A Protection Plan for Credentials in Chromium-based Browsers
In my previous blog post (here), I described a technique to extract sensitive data (passwords, cookies) directly from the memory of a Chromium-based browser’s [CBB] process. Google’s response to...
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Read ArticleExtracting Clear-Text Credentials Directly From Chromium’s Memory
This research was initiated accidentally. After “mini-dumping” all active Chrome.exe processes for another research project, I decided to see if a password that I recently typed in the browser...
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Read ArticleFinding Bugs in Windows Drivers, Part 1 – WDM
Finding vulnerabilities in Windows drivers was always a highly sought-after prize by sophisticated threat actors, game cheat writers and red teamers. As you probably know, every bug in a driver...
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Read ArticleConti Group Leaked!
The conflict in Ukraine has driven significant attention from the cybersecurity community, due in large part to the cyber attacks conducted against Ukraine infrastructure — including evidence of...
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Read ArticleHow Docker Made Me More Capable and the Host Less Secure
TL;DR After Docker released a fix [1] for CVE-2021-21284 [2], it unintentionally created a new vulnerability that allows a low-privileged user on the host to execute files from Docker images....
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Read ArticleChecking for Vulnerable Systems for CVE-2021-4034 with PwnKit-Hunter
What is PwnKit Vulnerability CVE-2021-4034? On January 25th, 2022, a critical vulnerability in polkit’s pkexec was publicly disclosed (link). The Qualys research team named this vulnerability...
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Read ArticleAnalyzing Malware with Hooks, Stomps and Return-addresses
Table of Contents Introduction The First Detection The Module Stomp Bypass The Module Stomp Detection Final Thoughts Introduction This is the second post in my series and with this post we will...
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Read ArticleAttacking RDP from Inside: How we abused named pipes for smart-card hijacking, unauthorized file system access to client machines and more
In this blog post we are going to discuss the details of a vulnerability in Windows Remote Desktop Services, which we recently uncovered. We reported the vulnerability to Microsoft in a...
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Read ArticleDon’t Trust This Title: Abusing Terminal Emulators with ANSI Escape Characters
One day, while I was working on OpenShift, a Kubernetes distribution by RedHat focused on developer experience and application security, I noticed that I was able to inject ANSI escape characters...
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Read ArticleHook Heaps and Live Free
I wanted to write this blog post to talk a bit about Cobalt Strike, function hooking and the Windows heap. We will be targeting BeaconEye (https://github.com/CCob/BeaconEye) as our detection tool...
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Read ArticleCloud Shadow Admins Revisited in Light of Nobelium
A recently detected attack campaign involving threat actor Nobelium has caught our attention due to an attack vector our team has previously researched – Cloud Shadow Admins – that the adversary...
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Read ArticleCracking WiFi at Scale with One Simple Trick
How I Cracked 70% of Tel Aviv’s Wifi Networks (from a Sample of 5,000 Gathered WiFi). In the past seven years that I’ve lived in Tel Aviv, I’ve changed apartments four times. Every time I...
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Read ArticleFuzzing RDP: Holding the Stick at Both Ends
Introduction This post describes the work we’ve done on fuzzing the Windows RDP client and server, the challenges of doing so, and some of the results. The Remote Desktop Protocol (RDP) by...
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Read ArticleFickerStealer: A New Rust Player in the Market
This blog introduces a new information stealer, written in Rust and interestingly named FickerStealer. In this blog post, we provide an in-depth analysis of this new threat and its obfuscation...
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Read ArticleBypassing Windows Hello Without Masks or Plastic Surgery
Biometric authentication is beginning to see rapid adoption across the enterprise as organizations look to incorporate passwordless solutions to help mitigate the numerous security risks inherent...
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Read ArticleBest Defense? Our Red Team Lead Reveals 4 MFA Bypass Techniques
Digital transformation, widespread remote work due to the COVID-19 pandemic and ever-increasing reliance on cloud services and infrastructure have all contributed to new enterprise access...
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Read ArticleAttacking Kubernetes Clusters Through Your Network Plumbing: Part 2
In Part 1 of this blog post, we discussed attack vectors that utilize the different features of the devices that network plugins use, such as bridge devices and tunneling devices (VXLAN in...
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Read ArticleVirtual Cloak: Virtualization as Malware
Virtualization is a double-edged sword The glorious rise of the cloud in recent years could be attributed to the gradual advancement of many different technologies, both hardware and software...
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