LOLBAS

Living Off The Land Binaries and Scripts and now also Libraries All the different files can be found behind a fancy frontend here: https://lolbas-project.github.io thanks @ConsciousHacker for this bit of eyecandy and the team over at https://gtfobins.github.io/. This repo serves as a place where ...

CVE-2022-42046

EvilWfshbr CVE-2022-42046 Proof of Concept of wfshbr64.sys local privilege escalation wfshbr64.sys and wfshbr32.sys specially crafted payload allows arbitrary user to perform bitwise operation with arbitrary EPROCESS offset and flags value to purposely elevate the game process to CodeGen Full...

DSCourier

DSCourier Description DSCourier is a proof-of-concept that uses the WinGet Configuration COM API to apply DSC configurations through Microsoft-signed binaries. A separate blog post provides the full technical deep dive into the technique. DSCourier was built primarily from a research topic and...

CVE-2026-25250

🕷️ CVE-2026-25250: Improper Trusted Bootloader Chain Validation A Microsoft-signed third-party bootloader that loads a secondary EFI binary with no signature or integrity verification, collapsing the Secure Boot chain of trust from within. 📑 Table of Contents Research Context Official References...

lolbin-poc

lolbin-poc Small PoC of using a Microsoft signed executable as a lolbin. Building 32-bit cmake -B build32 -A Win32 cmake --build build32 --config Release Building 64-bit cmake -B build64 -A x64 cmake --build build64 --config Release Usage Download WinDbg from here, put the compiled dbgeng.dll nex...

PT-2026-33497

Name of the Vulnerable Software and Affected Versions Microsoft-signed third-party bootloader affected versions not specified Description A security-feature bypass allows attackers to affect the system. A Microsoft-signed third-party bootloader completely skips signature verification when loading...

New Fake CAPTCHA Scam Abuses Microsoft Tools to Install Amatera Stealer

Another day, another fake CAPTCHA scam, but this one abuses Microsoft’s signed tools...

K000152613: Secure Boot Bypass vulnerability CVE-2025-3052

Security Advisory Description An arbitrary write vulnerability in Microsoft signed UEFI firmware allows for code execution of untrusted software. This allows an attacker to control its value, leading to arbitrary memory writes, including modification of critical firmware settings stored in NVRAM...

CVE-2025-3052

CVE-2025-3052 is an arbitrary write vulnerability in a UEFI module signed with a Microsoft third-party certificate (specifically the Microsoft Corporation UEFI CA 2011). The root cause is the unsafe handling of data retrieved from the IhisiParamBuffer NVRAM variable without proper validation, all...

CVE-2025-3052: Undefined Security Weakness

An arbitrary write vulnerability in Microsoft signed UEFI firmware allows for code execution of untrusted software. This allows an attacker to control its value, leading to arbitrary memory writes, including modification of critical firmware settings stored in NVRAM. Exploiting this vulnerability...

shim security update

shim - 15.8-2.0.3.el7 - Set shim.ol sbat generation to 3 Orabug: 36271343 - 15.8-2.0.1.el7 - Set SBATAUTOMATICDATE to 2021030218 Orabug: 36271343 - Rebuild with Oracle certificates Orabug: 36271343 - Full list of fixed CVEs: CVE-2023-40546, CVE-2023-40547, CVE-2023-40548, CVE-2023-40549,...

Chinese Hackers Deploy Microsoft-Signed Rootkit to Target Gaming Sector

Cybersecurity researchers have unearthed a novel rootkit signed by Microsoft that's engineered to communicate with an actor-controlled attack infrastructure. Trend Micro has attributed the activity cluster to the same actor that was previously identified as behind the FiveSys rootkit, which came ...

Ransomware Attackers Use Microsoft-Signed Drivers to Gain Access to Systems

Microsoft on Tuesday disclosed it took steps to implement blocking protections and suspend accounts that were used to publish malicious drivers that were certified by its Windows Hardware Developer Program. The tech giant said its investigation revealed the activity was restricted to a number of...

High-Severity Windows UAC Flaw Enables Privilege Escalation

Researchers disclosed details of a high-severity Microsoft Windows vulnerability that could give attackers elevated privileges – ultimately allowing them to install programs, and view, change or delete data. The bug stems from User Account Control UAC, a security feature of Windows within Secure...

Applocker Evasion - Windows Presentation Foundation Host

This module will assist you in evading Microsoft Windows Applocker and Software Restriction Policies. This technique utilises the Microsoft signed binary PresentationHost.exe to execute user supplied code. This module requires Metasploit: https://metasploit.com/download Current source:...

LOLBAS - Living Off The Land Binaries And Scripts (LOLBins And LOLScripts)

The goal of the LOLBAS project is to document every binary, script, and library that can be used for Living Off The Land techniques. All the different files can be found behind a fancy frontend here: https://lolbas-project.github.io thanks @ConsciousHacker for this bit of eyecandy and the team ov...

Manipulating Microsoft WSUS to Own Enterprises

LAS VEGAS – Windows Server Update Services WSUS is your friend, if you run an enterprise IT shop, because it facilitates the download and distribution of security patches, service pack installations and hardware driver updates among others. Two researchers this week at the Black Hat conference,...

microsoft-install.txt

Juan asked me to forward this message from him to the list. He has discovered that an ActiveX control shipped with IE can be used to install software components signed by Microsoft without prompting the user. This of curse raises trust issues. Someone, not necessarily Microsoft, could use this...