2018from public repositories
AIS3 2018
20 challenges with 20 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 liveUncategorised18
The upstream scoreboard did not say, so neither do we.
Crypto1
1 official solutionCrypto2
1 official solutionMisc1
1 official solutionMisc2
1 official solutionMisc3
1 official solutionOthers
1 official solutionSushi
1 official solution
Binary exploitation1
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
Darling
1 official solution
Reverse 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