AIS3 Pre exam 2022
22 challenges with 32 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 liveUncategorised13
The upstream scoreboard did not say, so neither do we.
B64DLE
2 official solutionsAlso written up in: maple3142/My-CTF-Challenges, maple3142/My-CTF-Challenges
JeetQode
2 official solutionsAlso written up in: maple3142/My-CTF-Challenges, Jimmy01240397/CTF-writeup
Pekobot
2 official solutionsAlso written up in: maple3142/My-CTF-Challenges, maple3142/My-CTF-Challenges
Pettan
2 official solutionsAlso written up in: maple3142/My-CTF-Challenges, maple3142/My-CTF-Challenges
Private Browsing
2 official solutionsAlso written up in: maple3142/My-CTF-Challenges, Jimmy01240397/CTF-writeup
Really Strange orAcle
2 official solutionsAlso written up in: maple3142/My-CTF-Challenges, maple3142/My-CTF-Challenges
Also written up in: maple3142/My-CTF-Challenges, maple3142/My-CTF-Challenges
Shamiko
2 official solutionsAlso written up in: maple3142/My-CTF-Challenges, maple3142/My-CTF-Challenges
UTF 8 Editor
2 official solutionsAlso written up in: maple3142/My-CTF-Challenges, maple3142/My-CTF-Challenges
Fast Cipher
1 official solutionAlso written up in: maple3142/My-CTF-Challenges
Flag Checker
1 official solutionAlso written up in: maple3142/My-CTF-Challenges
Obfuscate
1 official solutionAlso written up in: maple3142/My-CTF-Challenges
Also written up in: maple3142/My-CTF-Challenges
Misc4
Everything that fits no other box: esolangs, puzzles, scripting exercises, and the jail escapes that have not yet earned their own category.
Excel
1 official solutionAlso written up in: Jimmy01240397/CTF-writeup
Gift in the dream
1 official solutionAlso written up in: Jimmy01240397/CTF-writeup
Knock
1 official solutionAlso written up in: Jimmy01240397/CTF-writeup
Seadog's Webshell
1 official solutionAlso written up in: Jimmy01240397/CTF-writeup
Reverse engineering2
Work out what a compiled program does without its source, then work backwards from the check to the input that passes it.
Calculator
1 official solutionAlso written up in: Jimmy01240397/CTF-writeup
Strings
1 official solutionAlso written up in: Jimmy01240397/CTF-writeup
Cryptography2
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.
Also written up in: splitline/My-CTF-Challenges, Jimmy01240397/CTF-writeup
Server
1 official solutionAlso written up in: Jimmy01240397/CTF-writeup
Web1
Reach data or functionality the application meant to keep from you - through its inputs, its tokens, or its trust in the client.
Poking Bear
1 official solutionAlso written up in: Jimmy01240397/CTF-writeup