LakeCTF Qualifications
10 challenges with 14 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 CTFtimeMisc4
Everything that fits no other box: esolangs, puzzles, scripting exercises, and the jail escapes that have not yet earned their own category.
- ethereum
- blockchain
- evm
Same technique in picoCTF: Reentrance, Smart_Overflow, Access_Control
- blockchain
- quine
- evm
Same technique in picoCTF: Reentrance, Smart_Overflow, Access_Control
- misc
- github
- git
Same technique in picoCTF: Blame Game, Collaborative Development, Commitment Issues
- misc
Same technique in picoCTF: Permissions, Specialer, Codebook
Binary exploitation3
Turn a memory-safety bug in a native binary into control of execution. Usually a stack overflow, a format string, or a heap primitive.
- stackcanary
- pwn
Same technique in picoCTF: Guessing Game 1, x-sixty-what, format string 3
- pwn
Same technique in picoCTF: Guessing Game 1, x-sixty-what, format string 3
- pwn
Same technique in picoCTF: Guessing Game 1, x-sixty-what, format string 3
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.
- pgp
- common-factor
- crypto
- rsa
Same technique in picoCTF: StegoRSA, john_pollard, rsa_oracle
Web1
Reach data or functionality the application meant to keep from you - through its inputs, its tokens, or its trust in the client.
- csp-bypass
- web
- csp
- xss
Same technique in picoCTF: notepad, noted, Client-side-again
Reverse engineering1
Work out what a compiled program does without its source, then work backwards from the check to the input that passes it.
- rev
Same technique in picoCTF: WinAntiDbg0x100, WinAntiDbg0x200, WinAntiDbg0x300