miscProeasy

Blind Hens

bluehens_ctf_2026

Task: a plain-text internal memo hides data in trailing spaces and tabs. Solution: extract end-of-line whitespace, decode SPACE=0 and TAB=1 into bytes, base64-decode the recovered string, then XOR with 0x23 from the policy #23 hint to reveal the flag.

$ ls tags/ techniques/
base64trailing_whitespacexorwhitespace_steganographytabs_and_spaces
trailing_whitespace_extractionbinary_whitespace_decodebase64_decodesingle_byte_xor
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