GuidePoint Security October 2021
11 challenges with 21 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 liveUncategorised9
The upstream scoreboard did not say, so neither do we.
Also written up in: LazyTitan33/CTF-Writeups, Hope0351/CTF-collection
GOFASTER
2 official solutionsAlso written up in: LazyTitan33/CTF-Writeups, Hope0351/CTF-collection
Hackback
2 official solutionsAlso written up in: LazyTitan33/CTF-Writeups, Hope0351/CTF-collection
Also written up in: LazyTitan33/CTF-Writeups, Hope0351/CTF-collection
Julius
2 official solutionsAlso written up in: LazyTitan33/CTF-Writeups, Hope0351/CTF-collection
Netcatter
2 official solutionsAlso written up in: LazyTitan33/CTF-Writeups, Hope0351/CTF-collection
SHA512
2 official solutionsAlso written up in: LazyTitan33/CTF-Writeups, Hope0351/CTF-collection
Also written up in: LazyTitan33/CTF-Writeups, Hope0351/CTF-collection
Walk It Out
2 official solutionsAlso written up in: LazyTitan33/CTF-Writeups, Hope0351/CTF-collection
Cryptography1
Recover a plaintext or a key from something that was supposed to protect it. In practice: identify the scheme, find the parameter the author got wrong, exploit it.
Twisting seA
1 official solutionAlso written up in: GohEeEn/CTFs-Write-Up
Misc1
Everything that fits no other box: esolangs, puzzles, scripting exercises, and the jail escapes that have not yet earned their own category.
Zipfil
2 official solutionsAlso written up in: lpinilla/writeups, GohEeEn/CTFs-Write-Up