reverseeasy
task2.out
spbctf
Task: 32-bit ELF binary accepts two letters as arguments, applies affine cipher transformation to encoded string. Solution: Brute force 29x29 key combinations to find k1=7 ('h'), k2=13 ('n') that decodes to flag.
$ ls tags/ techniques/
static_analysismodular_arithmeticaffine_cipher_bruteforcepython_reimplementation
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