Writeup for #808080 from EHAX CTF 2026. A miscellanious challenge requiring generation of a 5-bit Gray Code sequence to decode a custom Caesar cipher.
Writeup for Chusembly from EHAX CTF 2026. A miscellanious challenge involving sandbox escape and arbitrary Python code execution via an unrestricted custom assembly interpreter.
Writeup for Breathing Void from EHAX CTF 2026. A miscellanious forensics challenge involving isolating covert timing channels from huge pcap noise.
Writeup for Keep Scripting from PascalCTF 2026. A Misc challenge involving KTANE simulation and networking.
Writeup for SurgoCompany from PascalCTF 2026. A Misc challenge involving Python RCE via email attachment and Roundcube automation.
Writeup for the HashCashSlash challenge from 0xL4ugh CTF V5. A Medium Misc challenge involving restricted shell escape and local privilege escalation via hidden socat service.
Writeup for the Invisible Ink challenge from 0xL4ugh CTF V5. An Easy Misc challenge involving stegonography using Unicode Tag Characters, Zlib decompression, and Ascii85 decoding.