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Articles tagged with #reverse-engineering
Description I managed to exfiltrate a highly classified, encrypted executable, but no tool I throw at it can parse it. It doesn't even have an ELF header! Fortunately, I also managed to exfiltrate th
Description I bet my BF knows what the flag is... We're given a file: i_love_my_bf_part1.bf Overview A Brainfuck program prompts for a flag, then rejects any input with "Sorry... :(". Rather than g
Description Shoot, the trial on our copy of FlagFactory Pro expired right before we needed it for the CTF! Can you help? We're given a binary: ffpro Overview A 64-bit Linux binary simulates a piece