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.
Detailed writeup for the 4llD4y challenge from 0xL4ugh CTF V5. A Medium Web challenge involving Prototype Pollution (CVE-2023-26135), happy-dom configuration override, and VM sandbox escape.