XORGate
Constant folding and a rolling XOR stand between you and the flag. Static-only friendly.
intermediate
Cross-platform All crack stuffs
SerialMe #01
by SPIRITX
A warm-up serial-validation crackme — recover the algorithm behind a simple key check.
beginner
Linux · x86-64An original in-house crackme. Best run in your own analysis VM — it does not target any third-party or commercial software.
The challenge
A beginner crackme that validates a serial against a username. The routine is readable, so you can trace input from stdin to the comparison and reconstruct the key-generation logic. No packing, no anti-debug — pure algorithm recovery.
serial
algorithm
stdin