2025from public repositories
Crimea Ctf 2025
4 challenges with 4 published solutions between them. The writeups for this event were found in public repositories. Each link is pinned to the commit it was read from.
Where these writeups liveUncategorised2
The upstream scoreboard did not say, so neither do we.
Also written up in: chop1k/crimea-ctf-2025
Puzzle
1 official solutionAlso written up in: chop1k/crimea-ctf-2025
Reverse engineering2
Work out what a compiled program does without its source, then work backwards from the check to the input that passes it.
Solve it with:Strings extractor for binaries and blobsWebAssembly disassemblerJava .class disassemblerPython .pyc bytecode disassemblerLearn: Binary exploitation
Archiwizard
1 official solutionAlso written up in: chop1k/crimea-ctf-2025
Wireshark
1 official solutionAlso written up in: chop1k/crimea-ctf-2025