2020from public repositories
Xv6 Labs 2020
3 challenges with 3 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 engineering3
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
Also written up in: SycloverTeam/SCTF2021
Also written up in: SycloverTeam/SCTF2021
Usertests
1 official solutionAlso written up in: SycloverTeam/SCTF2021