2025from public repositories
Avernos Admin 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 liveReverse engineering4
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
Avernos
1 official solutionAlso written up in: teambi0s/bi0sCTF
Create Encrypted Header
1 official solutionAlso written up in: teambi0s/bi0sCTF
Program
1 official solutionAlso written up in: teambi0s/bi0sCTF
Strobf
1 official solutionAlso written up in: teambi0s/bi0sCTF