RCTF 2022
15 challenges with 30 published community solutions between them. Solution links go to CTFtime’s task page, which aggregates every writeup for a challenge - individual blog posts rot, the aggregator does not.
Full task list on CTFtimeUncategorised11
The upstream scoreboard did not say, so neither do we.
Derek
3 official solutionsAlso written up in: shalaamum/ctf-writeups, shalaamum/ctf-writeups, shalaamum/ctf-writeups
easyRSA
3 official solutionsAlso written up in: shalaamum/ctf-writeups, shalaamum/ctf-writeups, blog.encrypted.gg
Magic Sign
3 official solutionsAlso written up in: shalaamum/ctf-writeups, shalaamum/ctf-writeups, blog.encrypted.gg
Disassembly
1 official solutionAlso written up in: Pusty/writeups
Easy Upload
1 official solutionAlso written up in: ccreater222/my-ctf-challenges
Also written up in: AvavaAYA/ctf-writeup-collection
Guess
1 official solutionAlso written up in: blog.encrypted.gg
Inequality Cvp
1 official solutionAlso written up in: pcw109550/write-up
Richelot Aux
1 official solutionAlso written up in: pcw109550/write-up
Solvelib
1 official solutionAlso written up in: shalaamum/ctf-writeups
Superguess
1 official solutionAlso written up in: blog.encrypted.gg
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: pcw109550/write-up, pcw109550/write-up, pcw109550/write-up, pcw109550/write-up, shalaamum/ctf-writeups, pcw109550/write-up, shalaamum/ctf-writeups
- crypto
Same technique in picoCTF: It's Not My Fault 2, StegoRSA, AES-ABC
Also written up in: pcw109550/write-up, pcw109550/write-up
- crypto
Same technique in picoCTF: It's Not My Fault 2, StegoRSA, AES-ABC
Binary exploitation2
Turn a memory-safety bug in a native binary into control of execution. Usually a stack overflow, a format string, or a heap primitive.
Also written up in: nobodyisnobody/write-ups
Working.Exploit
1 official solutionAlso written up in: nobodyisnobody/write-ups