2025from public repositories
JingleShellsCTF 2025
8 challenges with 8 published solutions between them. CTFtime has no listing for this event at all, so nothing built on CTFtime can show what it was made of. These writeups were found in public repositories instead. Each link is pinned to the commit it was read from.
Where these writeups liveForensics3
Recover something from a file, a capture, or a disk image - often from a part of it the format says is unused.
Solve it with:File type identifier by magic bytesMagic byte and file signature tablePCAP analyzer for CTF network forensicsEXIF metadata viewerLearn: File forensics and carvingLearn: Network forensics
AimDownSight
1 official solutionNot So Secret
1 official solutionSanta's Naughty List
1 official solution
Uncategorised3
The upstream scoreboard did not say, so neither do we.
Dr. Strand's Secret
1 official solutionHidden Spectrum
1 official solutionThe Spectrogram Secret
1 official solution
Web1
Reach data or functionality the application meant to keep from you - through its inputs, its tokens, or its trust in the client.
Solve it with:JWT decoder and signature verifierJWT alg=none bypass generatorWeb attack payload catalogJWT secret brute forceLearn: Web attacks and session tokens
Reindeer Command Center
1 official solution
OSINT1
Answer a question about the real world from public sources. The work is pivoting between identifiers, not exploiting anything.
Stars, Stripes and Dumplings
1 official solution