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Comprehensive collection of CTF challenges, solutions, and insights.


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DEADROP Forensics 2 - Safehouse

A PNG with a flag hidden in the least significant bits of pixel data. Classic LSB steganography, stegsolve or zsteg extracts it directly.

DEADROP Misc 4 - SIGINT PUZZLE

Three fake declassified SIGINT documents hide base64 flag fragments in the least significant bits of the red channel. The lore tells you the order; extract, concatenate, decode.