virt-firmware

Tools for ovmf / armvirt firmware volumes This is a small collection of tools for edk2 firmware images. They support decoding and printing the content of firmware volumes. Variable stores OVMFVARS.fd can be modified, for example to enroll secure boot certificates. virt-fw-dump Decodes and prints...

Platbox

Platbox UEFI and SMM Assessment Tool Features Platbox is a tool that helps assessing the security of the platform: Dumps the platform registers that are interesting security-wise Flash Locks MMIO and Remapping Locks SMM Base and Locks MSRs RW access to the PCI configuration space of devices. RW t...

shim-review

This repo is for review of requests for signing shim. To create a request for review: clone this repo preferably fork it edit the template below add the shim.efi to be signed add build logs add any additional binaries/certificates/SHA256 hashes that may be needed commit all of that tag it with a...

s6_pcie_microblaze

PCI Express DIY hacking toolkit General information Contents SP605 board configuration Software configuration Examples Using Python API Practical DMA attacks Option ROM attacks Troubleshooting Building project from the source code General information This repository contains a set of tools and...

EfiGuard

Overview EfiGuard is a portable x64 UEFI bootkit that patches the Windows boot manager, boot loader and kernel at boot time in order to disable PatchGuard and Driver Signature Enforcement DSE. If you're just looking to try EfiGuard, skip to Usage. Features Currently supports all EFI-compatible...

chipsec

CHIPSEC: Platform Security Assessment Framework CHIPSEC is a framework for analyzing the security of PC platforms including hardware, system firmware BIOS/UEFI, and platform components. It includes a security test suite, tools for accessing various low level interfaces, and forensic capabilities...

Hypervisor-101-in-Rust

Hypervisor 101 in Rust The materials of the "Hypervisor 101 in Rust" class held at Global Cybersecurity Camp 2023 Singapore. This repository contains a fuzzing hypervisor for UEFI on Intel/AMD processors, lecture and hands-on exercise materials, and sample corpus and target files. Read the course...

CVE-2025-4275

🐞 CVE-2025-4275: Hydroph0bia SecureFlash Certificate Shadowing This repository contains research material related to CVE-2025-4275, a Secure Boot bypass vulnerability affecting UEFI-compatible firmware based on Insyde H2O. It centralizes technical analysis of the vulnerability, the binaries...

CVE-2025-3052

🐞 CVE-2025-3052: IhisiParamBuffer Memory Corruption This repository centralizes research material related to CVE-2025-3052, a memory corruption vulnerability in a UEFI module signed with Microsoft's third-party certificate that allows an attacker to corrupt security-critical firmware structures,...

incus-os

Introduction IncusOS is an immutable OS image dedicated to running Incus. It's based on Debian 13 and built using mkosi. IncusOS can be installed on modern amd64 x8664 and arm64 systems. This aims at providing a very fast, safe and reliable way to run an Incus server. It's got a strong focus on...

efiXplorer

efiXplorer - IDA plugin and loader for UEFI firmware analysis and reverse engineering automation Documentation Plugin wiki Loader wiki Build instructions and installation Publications efiXplorer: Hunting for UEFI Firmware Vulnerabilities at Scale with Automated Static Analysis Static...

shim

shim, a first-stage UEFI bootloader shim is a trivial EFI application that, when run, attempts to open and execute another application. It will initially attempt to do this via the standard EFI LoadImage and StartImage calls. If these fail because Secure Boot is enabled and the binary is not sign...

CVE-2022-34302

🕷️ CVE-2022-34302 - New Horizon Datasys Boot Loader Vulnerability New Horizon Datasys Reboot Restore Boot Loader - Bring Your Own Vulnerable UEFI Application BYOVUA - Secure Boot bypass via signed bootloader with built-in custom PE/COFF loader that loads unsigned UEFI applications. 📑 Table of...

CVE-2021-3972

CVE-2021-3972 poc code without other thing BYTE value = 0x1; SetFirmwareEnvironmentVariableExT"ChgBootSecureBootDisable",T"6ACCE65D-DA35-4B39-B64B-5ED927A7DC7E",&value,sizeofBYTE,0x7;...

CustomProcessingUnit

Custom Processing Unit Custom Processing Unit is the first dynamic analysis framework able to hook, patch and trace CPU microcode at the software level. It works by leveraging undocumented instructions in Intel CPUs that allow access to the CRBUS. Using our microcode decompiler we reverse...

ida-efitools2

About It is an IDA plugin for extending UEFI reverse engineering capabilities. Based on ida-efitools with a bunch of fixes and new features. Works with both Python 2 and Python 3. Supports outdated versions of IDA Pro 7.x with no guarantees. Features GUIDs defining Structures propagating register...

edk2

============== EDK II Project A modern, feature-rich, cross-platform firmware development environment for the UEFI and PI specifications from www.uefi.org. .. image::...

bitpixie

bitpixie Full blog post here Main References syss blog post Syss's Github repository Bitpixie BitLocker Exploit Implementation Virtual machine reproduction. The local machine attacker machine uses Ubuntu 22.04.5 LTS system, while the victim machines are Windows 10 21H2 19041.1 and Windows 11 21H2...

Silverseal

Silverseal - Linux Bootkit and Rust Kernel Rootkit Framework Silverseal is an open-source Linux bootkit research framework written in Rust. It demonstrates how a UEFI bootkit can hook the early Linux kernel boot process to persistently and stealthily load a Rust-based kernel module rootkit. The...

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...