Self Hash Anti Tamper on CyberSecurity Elitehttps://cybersecurityelite.com/tags/self-hash-anti-tamper/Recent content in Self Hash Anti Tamper on CyberSecurity EliteCyberSecurity Elitehttps://cybersecurityelite.com/images/og-default.pnghttps://cybersecurityelite.com/images/og-default.pngHugoen-usSat, 11 Jul 2026 00:21:37 +0200LYKNCTF 2026 Crack Writeup: 9 Reverse Engineering Challenges (ARX VMs, Self-Hash Anti-Tamper, ChaCha20 Layers, Brainfuck Esolang)https://cybersecurityelite.com/ctf-writeups/lyknctf-2026-crack-writeup/Fri, 10 Jul 2026 22:00:00 +0000https://cybersecurityelite.com/ctf-writeups/lyknctf-2026-crack-writeup/Step-by-step LYKNCTF 2026 crack (reverse engineering) writeup — nine keygen and crackme challenges covering RC4-KSA S-box S-box recovery, ARX/Feistel VMs seeded with 0x9E3779B9, SHA-256(.text) self-hash KDFs, anti-debug byte poisoning, control-flow-flattened taint OR-folding, chained per-byte VM state machines, PyInstaller + ChaCha20/AES/marshal layers, Tauri desktop-app string trails, and a character-name Brainfuck esolang.