reverseeasy
Cosy
rev-kids20.forkbomb.ru
Task: 64-bit ELF binary validates key using sin/cos trigonometric transformations. Solution: reverse character mapping and trig functions, brute-force each position independently against hardcoded expected values.
$ ls tags/ techniques/
static_binary_analysissymbol_table_analysistrigonometric_reverseper_character_bruteforce
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