
DC30-Badge-Challenge-Writeup
Writeup for the DEF CON 30 badge challenge

Writeup for the DEF CON 30 badge challenge

Provably secure linguistic steganography embedding secret messages into LLM-generated text via rotation range-coding. Includes embed, extract, and…

Steganographic prompt-injection defense for agentic AI using decode-time provenance binding, HMAC authentication, and MCP trust enforcement.

A comprehensive browser extension (.xpi) malware scanner which checks for many common malware tricks like:, credential-stealers obfuscation tactics,…

Research-only AI watermark robustness toolkit: local reverse proxy strips C2PA/EXIF/XMP, Unicode, image/audio stego, OOXML/PDF metadata, and scans…

[ICCV 2025] Anti-Tamper Protection for Unauthorized Individual Image Generation

Write-up do Sudo Agent CTF (TryHackMe), com enumeração, exploração web, esteganografia, SSH e privilege escalation via CVE-2019-14287.