ReVault! When your SoC turns against you…

Talos reported 5 vulnerabilities to Broadcom and Dell affecting both the ControlVault3 Firmware and its associated Windows APIs that we are calling "ReVault". 100+ models of Dell Laptops are affected by this vulnerability if left unpatched. The ReVault attack can be used as a post-compromise...

NoArgs - Tool Designed To Dynamically Spoof And Conceal Process Arguments While Staying Undetected

NoArgs is a tool designed to dynamically spoof and conceal process arguments while staying undetected. It achieves this by hooking into Windows APIs to dynamically manipulate the Windows internals on the go. This allows NoArgs to alter process arguments discreetly. Default Cmd: Windows Event Logs...

ShroudedSnooper's HTTPSnoop Backdoor Targets Middle East Telecom Companies

Telecommunication service providers in the Middle East are the target of a new intrusion set dubbed ShroudedSnooper that employs a stealthy backdoor called HTTPSnoop. "HTTPSnoop is a simple, yet effective, backdoor that consists of novel techniques to interface with Windows HTTP kernel drivers an...

New Mockingjay Process Injection Technique Could Let Malware Evade Detection

A new process injection technique dubbed Mockingjay could be exploited by threat actors to bypass security solutions to execute malicious code on compromised systems. "The injection is executed without space allocation, setting permissions or even starting a thread," Security Joes researchers...

SilentMoonwalk - PoC Implementation Of A Fully Dynamic Call Stack Spoofer

PoC Implementation of a fully dynamic call stack spoofer TL;DR SilentMoonwalk is a PoC implementation of a fully dynamic call stack spoofer, implementing a technique to remove the original caller from the call stack, using ROP to desynchronize unwinding from control flow. Authors This PoC is the...

Nanodump - A Crappy LSASS Dumper With No ASCII Art

A flexible tool that creates a minidump of the LSASS process. 1. Features It uses syscalls with SysWhispers2 for most operations. Syscalls are called from an ntdll address to bypass some syscall detections. It sets the syscall callback hook to NULL. Windows APIs are called using dynamic invoke...

Fuzzing Image Parsing in Windows, Part One: Color Profiles

Image parsing and rendering are basic features of any modern operating system OS. Image parsing is an easily accessible attack surface, and a vulnerability that may lead to remote code execution or information disclosure in such a feature is valuable to attackers. In this multi-part blog series, ...

Process Doppelgänging meets Process Hollowing in Osiris dropper

One of the Holly Grails for malware authors is a perfect way to impersonate a legitimate process. That would allow them to run their malicious module under the cover, being unnoticed by antivirus products. Over the years, various techniques have emerged in helping them to get closer to this goal...

Hancitor Downloader Abusing APIs, PowerShell Commands

Developers behind the malicious downloader Hancitor have bolstered the malware again, this time with new delivery approaches that make it more difficult to detect. The downloader is still spread through malicious attachments, and distributing malware designed to steal data, such as Pony and...