2016no writeups on CTFtime
LASACTF 2016
11 challenges with 22 published solutions between them. CTFtime lists this event but has no writeups filed against it, so it is absent from the index CTFtime feeds. These were found in public repositories instead. Each link is pinned to the commit it was read from.
The event on CTFtimeUncategorised9
The upstream scoreboard did not say, so neither do we.
Exploit Rop Phun
3 official solutionsExploit Simple Rop
3 official solutionsFor Sounds Strange
3 official solutionsA OR B AND NOT(A AND B)
1 official solutionCoffee Maker
1 official solutionFrequencies
1 official solutionMathy Tongue
1 official solutionPostman
1 official solutionShifty Letters
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
Client Side 70
4 official solutions
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
Shiftier Letters
3 official solutions