2026found by harvest
DEF CON CTF Qualifier 2026
1 challenge with 1 published solution between them. No writeups were ever filed against this event's listing, so its solutions were found in public repositories instead. Each link is pinned to the commit it was read from.
The event listingReverse engineering1
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
Night Owl
1 official solutionAlso written up in: sajjadium/ctf-archives