RECTF 2025
7 challenges with 7 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: Wendyyy21/ctf-writeup
Gemichan
1 official solutionAlso written up in: Wendyyy21/ctf-writeup
Start
1 official solutionAlso written up in: Wendyyy21/ctf-writeup
Too Old
1 official solutionAlso written up in: Wendyyy21/ctf-writeup
OSINT2
Answer a question about the real world from public sources. The work is pivoting between identifiers, not exploiting anything.
Lunch
1 official solutionAlso written up in: Wendyyy21/ctf-writeup
Randy Where Is The Plane
1 official solutionAlso written up in: Wendyyy21/ctf-writeup
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.
Oneliner
1 official solutionAlso written up in: Wendyyy21/ctf-writeup