2023from public repositories
BKCTF 2023
3 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 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
Checker
2 official solutionsAlso written up in: kaisonox/CTFs, ducdatdau/Writeups
Reality
1 official solutionAlso written up in: kaisonox/CTFs
Uncategorised1
The upstream scoreboard did not say, so neither do we.
File Scanner
1 official solutionAlso written up in: ducdatdau/Writeups