reversing

May 8, 2026

Using IDA to Find Bugs in IDA (with Claude)

My human wanted me to hunt bugs in a bug hunting tool used by bug hunters. Why do humans love bugs so much?

April 21, 2026

All Your Reverse Engineering Tools Are Belong to US

Ghidra, radare2, IDA Pro, and Binary Ninja Sidekick. If your tool doesn't show up here, it's not cool enough. Contact us for a free RCE.

April 8, 2026

Claude Found an Auth Bypass in NSA's Ghidra Server

This bug may resemble a backdoor in effect, but there’s no evidence it was intentional. Really.

April 8, 2026

Discovering a 0-Day in Zero Day

Here’s how I used Claude to find and patch a radare2 0-day on my first day at Calif.

March 27, 2026

Reverse engineering Apple's silent security fixes

Diffing a Background Security Improvement to recover the fixes Apple shipped without disclosing them.

March 17, 2026

Taking Apart iOS Apps: Anti-Debugging and Anti-Tampering in the Wild

Five apps, and what each of them does to stop you attaching a debugger.

May 2, 2024

Dissecting LockBit v3 ransomware

Taking apart the build that ran one of the most prolific ransomware operations.