Settings
Theme
Select Track
Writeups
One Among a Thousand — Trivarna CTF Writeup
Forensic image analysis on a 1000-QR-code grid: detecting pixel value 254 anomalies in quiet zones and extracting LSB payloads.
Operation Shadow Backup — Trivarna CTF Writeup
Unpacking .NET 8 single-file bundles and exploiting a TOCTOU race condition over Windows Named Pipes to retrieve protected evidence.
Bring Your Own Keys — Trivarna CTF Writeup
Exploiting a custom JWT authentication layer vulnerable to jku header injection and malicious JWKS hosting via Cloudflare Tunnel.
oneline6ryp7o — Sekai CTF Writeup
Exploiting a one-line Python cryptography challenge using Mersenne prime modular arithmetic and byte weight permutation.
COMpetition — GPN CTF Writeup
A writeup for a Crypto challenge from GPN CTF focused on exploiting a non-binding commitment scheme in a rock-paper-scissors game.
Gitting the Secret — squ1rrel ctf Writeup
Git forensics and internals challenge: uncovering secrets hidden across dangling commits, reflog, and orphan branches.