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Decompetition is an experimental CTF that focuses entirely on reverse engineering. You get a binary and an interactive disassembly diff, and you try to recreate the original source code - in whatever language the binary was written in. How close can you get to a perfect match?

CTF events

Decompetition v2.025.00
Related tags: #web stuff things binary arm64 arm reversing pwn revesing x86_64 exploitation misc web angr symbolic_execution format-string one_gadget cryptography discrete-log random crypto seed binary-exploitation programming unintended engineering reverse morse python statistics xss c c c++ go nim rust swift binaryninja decompile malware ghidra decompetition sleeping