2016from the authors’ own sites
InternetWatche CTF 2016
7 challenges with 7 published solutions between them. The writeups for this event were found on the authors’ own sites.
Where these writeups liveUncategorised3
The upstream scoreboard did not say, so neither do we.
A Number Game (Code 50)
1 official solutionAlso written up in: rektsec.github.io
It's Primer Time! (Code 60)
1 official solutionAlso written up in: rektsec.github.io
Ruby's Count (Exp 50)
1 official solutionAlso written up in: rektsec.github.io
Misc2
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
Quick Run (Misc 60)
1 official solutionAlso written up in: rektsec.github.io
The hidden message (Misc 50)
1 official solutionAlso written up in: rektsec.github.io
Web2
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: Sessions, tokens and access control
Replace with Grace (Web 60)
1 official solutionAlso written up in: rektsec.github.io
The Secret Store (Web 70)
1 official solutionAlso written up in: rektsec.github.io