2017from public repositories
SCTF 2017
8 challenges with 8 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 liveUncategorised7
The upstream scoreboard did not say, so neither do we.
3 Lights
1 official solutionAlso written up in: SSTF-Office/SamsungCTF
Also written up in: SSTF-Office/SamsungCTF
Also written up in: SSTF-Office/SamsungCTF
HacktheDrone
1 official solutionAlso written up in: SSTF-Office/SamsungCTF
Imager
1 official solutionAlso written up in: SSTF-Office/SamsungCTF
Longest Substr
1 official solutionAlso written up in: SSTF-Office/SamsungCTF
Webpage as a Service
1 official solutionAlso written up in: SSTF-Office/SamsungCTF
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
Chicken and Egg
1 official solutionAlso written up in: SSTF-Office/SamsungCTF