2017from public repositories
Sctf2017finals 2017
7 challenges with 9 published solutions between them. The writeups for this event were found in public repositories. Each link is pinned to the commit it was read from.
Where these writeups liveUncategorised4
The upstream scoreboard did not say, so neither do we.
Also written up in: Jinmo/ctfs, Jinmo/ctfs, Jinmo/ctfs
Attackthedrone
1 official solutionAlso written up in: Jinmo/ctfs
Imager
1 official solutionAlso written up in: Jinmo/ctfs
Report
1 official solutionAlso written up in: Jinmo/ctfs
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
Decrypt
1 official solutionAlso written up in: Jinmo/ctfs
Also written up in: Jinmo/ctfs
Thumb
1 official solutionAlso written up in: Jinmo/ctfs