2022from public repositories
Mitre 2022
19 challenges with 19 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 liveWeb6
Reach data or functionality the application meant to keep from you - through its inputs, its tokens, or its trust in the client.
Solve it with:JWT decoder and signature verifierJWT alg=none bypass generatorWeb attack payload catalogJWT secret brute forceLearn: Web attacks and session tokens
Web100
1 official solutionWeb150
1 official solutionWeb200
1 official solutionWeb300
1 official solutionWeb400
1 official solutionWeb500
1 official solution
Binary exploitation5
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
Pwn100
1 official solutionPwn200
1 official solutionPwn300
1 official solutionPwn400
1 official solutionPwn500
1 official solution
Uncategorised4
The upstream scoreboard did not say, so neither do we.
Cry100
1 official solutionCry150
1 official solutionCry50
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
Rev100
1 official solutionRev200
1 official solutionRev300
1 official solutionRev400
1 official solution