organized ctf

Mntcrl CTF 2026

Challenges from the CTF I organized with my team, collected by category with author notes, tooling, patches, and solve paths.

1 writeup 1 category organizer

rev

Jun 27, 2026

Reverse engineering a custom PS1/OpenBIOS license check, from DuckStation debugging to HMAC-SHA256 license generation and loader patching.