Challenges → Reverse Engineering

XOR Loop Cipher Binary

Easy 100 pts 🚩 0 solves ⏱ Avg. time to solve: —

Challenge Question

This binary transforms whatever you type with a simple, repeating byte-level operation and compares the result against a hardcoded target buried inside it. Whatever operation it used to scramble your input can just as easily be used to reverse it. Work out what input produces the expected result.
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