Writeup for Kaje from EHAX CTF 2026. A reverse engineering challenge involving analyzing an ELF64 binary to understand its custom MurmurHash3-based PRNG keystream, and exploiting the environment-based seed branching.
Writeup for Quantum Message from EHAX CTF 2026. A forensic audio challenge analyzing high-speed custom DTMF-style symbol transmission and extracting the encoded decimal streams.
Writeup for tictactoe from EHAX CTF 2026. A web challenge that involves exploiting server-side trust by bypassing dimension checks in a classic 3x3 game API.
