2022from public repositories
dvCTF 2022
5 challenges with 5 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 liveUncategorised3
The upstream scoreboard did not say, so neither do we.
DaVinci's Playlist Part 1
1 official solutionAlso written up in: SovietBeast/CTF-writeups
DaVinci's Playlist Part 2
1 official solutionAlso written up in: SovietBeast/CTF-writeups
Sudoku
1 official solutionAlso written up in: death-of-rats/CTF
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.
Solve it with:Cipher identifier and automatic decoderVigenere cipher solver with automatic key recoveryRSA decryption and attack runnerWiener’s attack on small RSA private exponentsIn-browser hash cracker with rule transformsLearn: Classical ciphers and frequency analysisLearn: RSA and the parameters that break it
Cwyptographic Owacle
1 official solutionAlso written up in: slight-shark/CTF-Writeups
OSINT1
Answer a question about the real world from public sources. The work is pivoting between identifiers, not exploiting anything.
Painting Spot
1 official solutionAlso written up in: slight-shark/CTF-Writeups