2019from public repositories
Fbctf 2019
10 challenges with 10 published solutions between them. CTFtime has no listing for this event at all, so nothing built on CTFtime can show what it was made of. These writeups were found in public repositories and on the authors’ own sites instead. Each repository link is pinned to the commit it was read from.
Where these writeups liveUncategorised6
The upstream scoreboard did not say, so neither do we.
Babylist
1 official solutionKpets
1 official solutionMatryoshka
1 official solutionProductsmanager
1 official solutionRaddest Db
1 official solutionRegexicide
1 official solution
Reverse 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
Nomoreseacrypt
1 official solutionOverfloat
1 official solutionSombrero Rojo
1 official solution