2022from public repositories
iCTF 2022
12 challenges with 12 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 instead. Each link is pinned to the commit it was read from.
Where these writeups liveUncategorised6
The upstream scoreboard did not say, so neither do we.
Improbus
1 official solutionJourney
1 official solutionSubtitles
1 official solutionUnpuzzled3
1 official solution
Binary exploitation3
Turn a memory-safety bug in a native binary into control of execution. Usually a stack overflow, a format string, or a heap primitive.
Solve it with:ROP gadget finderShellcode assembler and libraryCyclic pattern generator and offset finderFormat string exploit builderLearn: Binary exploitation
Binexp 0
1 official solutionBinexp 1
1 official solutionBinexp 2
1 official solution
Reverse 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
F0rg0tt3nCr3d3nt14l5
1 official solutionRandomness
1 official solution