2013from the authors’ own sites
Points CSAW QUALS 2013
3 challenges with 3 published solutions between them. The writeups for this event were found on the authors’ own sites.
Where these writeups liveMisc2
Everything that fits no other box: esolangs, puzzles, scripting exercises, and the jail escapes that have not yet earned their own category.
Solve it with:Brainfuck and esolang decoderCipher identifier and automatic decoderRegex tester with match offsets and capture groupsLearn: Recognising encodings
Black & White
1 official solutionAlso written up in: nullify-ctf.blogspot.com
Deeeeeeaaaaaadbeeeeeeeeeef
1 official solutionAlso written up in: nullify-ctf.blogspot.com
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
Crackme
1 official solutionAlso written up in: nullify-ctf.blogspot.com