reverseeasy

167 (Линейная алгебра)

duckerz

Task: 64-bit ELF binary validates 4 integer inputs against a system of linear equations. Solution: Solve the linear system to get x=2, y=-1, z=3, w=-4, then use these values as cyclic XOR key to decrypt the flag.

$ ls tags/ techniques/
xorelfreverselinear-algebra
system_of_equationscyclic_xor
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