
Barzakh
Ring -4 to Ring 0: offense-defense firmware research platform. We build the bootkits, then we catch them. Closed-loop. Zero trust in silicon.

Ring -4 to Ring 0: offense-defense firmware research platform. We build the bootkits, then we catch them. Closed-loop. Zero trust in silicon.

Proof-of-concept local privilege escalation exploiting Gigabyte gdrv3.sys IOCTLs to write the SYSTEM token into a user process via an unchecked…

Minimalistic VT-x hypervisor for Windows x64 providing syscall, MSR, IDT, and kernel inline hooks plus EPT-based page substitution and TLB splitting.

Proof-of-concept exploiting the Toshiba qiomem.sys driver to achieve arbitrary physical memory read/write from ring 3, with a companion writeup.

Proof-of-concept exploit for Gigabyte's GVCIDrv64.sys kernel driver, achieving local privilege escalation via arbitrary physical memory and I/O port…

Artifacts for the Branch Target Reuse (BTR) Spectre-v2 attack research, including microarchitecture experiments, attack-surface analysis of JIT…

Reverse engineering research of ASRock AsrDrv103.sys (CVE-2020-15368), covering its driver interface, encrypted request protocol, and privileged…

Proof-of-concept demonstrating a microarchitectural data leak in Loongson LA464/LA664 processors via undefined upper bits of LASX vector registers,…

Raspberry Pi RP2350 hacking challenge: extract a 128-bit OTP secret protected by secure boot and OTP lock, with setup scripts and firmware for Pico 2…

CVE-2025-7771: Arbitrary physical memory and I/O port read/write via ThrottleStop driver

Demonstrates CVE-2022-34301 Secure Boot bypass via Eurosoft signed UEFI Shell (esdiags.efi), using the mm command to nullify gSecurity2 and load…

Demonstrates CVE-2022-34303 Secure Boot bypass via CryptoPro signed UEFI Shell, using the mm command to nullify gSecurity2 and load unsigned UEFI…

Modified btbd HWID spoofer kernel driver that can be manually mapped to evade anti-cheat detection on Windows 1909.

Research repository documenting CVE-2026-79298, an incomplete UEFI Secure Boot bypass remediation in Howyar SysReturn's IA-32 boot path, with reverse…

Firmware reverse engineering of the Philips PM5139 / PM5138A / PM5136 function generators: 8051 emulators used as measuring instruments, 35 sections…

Root-cause analysis and reachability PoC for CVE-2026-64747, a buffer overflow in the AppleAVE2 kernel extension. Includes reversed IOKit wire…

Ghidra extension for PC firmware reverse engineering, providing loaders for PCI option ROMs, Intel Flash Descriptor, coreboot CBFS, and UEFI firmware…

Ghidra plugin that automates UEFI firmware analysis by identifying known GUIDs, protocols, SMI handlers, and interrupt functions, with headless…