2023from public repositories
CSCG 2023
10 challenges with 10 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 liveForensics4
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
Ghost Flag
1 official solutionto Forensics 1
1 official solutionto Forensics 2
1 official solutionto Forensics 3
1 official solution
Misc3
Everything that fits no other box: esolangs, puzzles, scripting exercises, and the jail escapes that have not yet earned their own category.
Solve it with:Brainfuck and esolang decoderCipher identifier and automatic decoderRegex tester with match offsets and capture groupsLearn: Recognising encodings
to Reverse Engineering 1
1 official solutionto Reverse Engineering 2
1 official solutionto Reverse Engineering 3
1 official solution
Web3
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
to Web 1
1 official solutionto Web 2
1 official solutionto Web 3
1 official solution