$ cat writeup.md…
$ cat writeup.md…
spbctf
Task: 32-bit stripped ELF reads three integers and validates them against two linear equations plus positivity, then prints flag as MD5 of the concatenated counts. Solution: recover the constraints from radare2 disassembly, brute-force the unique Diophantine solution (3,41,56), and compute MD5("34156").
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