2021AIS3EOF 2021
17 challenges with 28 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 liveUncategorised6
The upstream scoreboard did not say, so neither do we.
Cat Slayer
1 official solutionAlso written up in: splitline/My-CTF-Challenges
Cat Translator
1 official solutionAlso written up in: splitline/My-CTF-Challenges
Leetcall
1 official solutionAlso written up in: Jimmy01240397/CTF-writeup
Pikora
1 official solutionAlso written up in: splitline/My-CTF-Challenges
SSRF Challenge or Not
1 official solutionAlso written up in: Jimmy01240397/CTF-writeup
Two Gadget
1 official solutionAlso written up in: LJP-TW/CTF
Misc5
Everything that fits no other box: esolangs, puzzles, scripting exercises, and the jail escapes that have not yet earned their own category.
3DUSH3LL
2 official solutionsAlso written up in: splitline/My-CTF-Challenges, splitline/My-CTF-Challenges
CatTranslate
2 official solutionsAlso written up in: HardworkingSnowman/CTF, zeze-zeze/CTF
Shellcode
2 official solutionsAlso written up in: HardworkingSnowman/CTF, zeze-zeze/CTF
Shellcode2exe
2 official solutionsAlso written up in: HardworkingSnowman/CTF, zeze-zeze/CTF
StarSign
2 official solutionsAlso written up in: HardworkingSnowman/CTF, zeze-zeze/CTF
Web3
Reach data or functionality the application meant to keep from you - through its inputs, its tokens, or its trust in the client.
What The File
3 official solutionsAlso written up in: splitline/My-CTF-Challenges, splitline/My-CTF-Challenges, splitline/My-CTF-Challenges
Ctf Note
2 official solutionsAlso written up in: splitline/My-CTF-Challenges, splitline/My-CTF-Challenges
CYBERPUNK1977
2 official solutionsAlso written up in: splitline/My-CTF-Challenges, splitline/My-CTF-Challenges
Reverse engineering2
Work out what a compiled program does without its source, then work backwards from the check to the input that passes it.
DuRaRaRa
1 official solutionAlso written up in: opp556687/CTF
Ransomware
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
3 official solutionsAlso written up in: opp556687/CTF, opp556687/CTF, opp556687/CTF