Ais3 Pre Exam 2021
17 challenges with 24 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 liveWeb6
Reach data or functionality the application meant to keep from you - through its inputs, its tokens, or its trust in the client.
Cat Slayer Inverse
2 official solutionsAlso written up in: splitline/My-CTF-Challenges, splitline/My-CTF-Challenges
Also written up in: splitline/My-CTF-Challenges, splitline/My-CTF-Challenges
Chals Monitor
1 official solutionAlso written up in: splitline/My-CTF-Challenges
Sweetalert2.Min
1 official solutionAlso written up in: splitline/My-CTF-Challenges
Xss Me
1 official solutionAlso written up in: splitline/My-CTF-Challenges
Yet Another Login Page
1 official solutionAlso written up in: splitline/My-CTF-Challenges
Uncategorised5
The upstream scoreboard did not say, so neither do we.
Server
2 official solutionsAlso written up in: kuruwa2/ctf-writeups, opp556687/CTF
Chall
1 official solutionAlso written up in: kuruwa2/ctf-writeups
Judgement
1 official solutionAlso written up in: kuruwa2/ctf-writeups
Republic of South Africa
1 official solutionAlso written up in: kuruwa2/ctf-writeups
ReSident evil villAge
1 official solutionAlso written up in: kuruwa2/ctf-writeups
Misc3
Everything that fits no other box: esolangs, puzzles, scripting exercises, and the jail escapes that have not yet earned their own category.
Cat Slayer Cloud
1 official solutionAlso written up in: splitline/My-CTF-Challenges
Cat Slayer Fake
1 official solutionAlso written up in: splitline/My-CTF-Challenges
Also written up in: splitline/My-CTF-Challenges
Reverse engineering1
Work out what a compiled program does without its source, then work backwards from the check to the input that passes it.
Peekora
1 official solutionAlso written up in: splitline/My-CTF-Challenges
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.
Python
1 official solutionAlso written up in: opp556687/CTF
Binary exploitation1
Turn a memory-safety bug in a native binary into control of execution. Usually a stack overflow, a format string, or a heap primitive.
Share
5 official solutionsAlso written up in: opp556687/CTF, opp556687/CTF, opp556687/CTF, opp556687/CTF, opp556687/CTF