BCACTF 5.0
14 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 CTFtimeMisc11
Everything that fits no other box: esolangs, puzzles, scripting exercises, and the jail escapes that have not yet earned their own category.
23-719
1 writeupSame technique in picoCTF: Permissions, Specialer, Codebook
Chalkboard Gag
1 writeupSame technique in picoCTF: Permissions, Specialer, Codebook
Flagtureiser
1 writeupSame technique in picoCTF: Permissions, Specialer, Codebook
Inaccessible
1 writeupSame technique in picoCTF: Permissions, Specialer, Codebook
My Brain Hurts
1 writeupSame technique in picoCTF: Permissions, Specialer, Codebook
NoSQL
1 writeupSame technique in picoCTF: Permissions, Specialer, Codebook
Phone number
1 writeupSame technique in picoCTF: Permissions, Specialer, Codebook
Pwnage
1 writeupSame technique in picoCTF: Permissions, Specialer, Codebook
This is NOT the flag
1 writeupSame technique in picoCTF: Permissions, Specialer, Codebook
Time Skip
1 writeupSame technique in picoCTF: Permissions, Specialer, Codebook
Vinegar Times 3
1 writeupSame technique in picoCTF: Permissions, Specialer, Codebook
Cryptography3
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.
Encryptor Shop
1 writeupSame technique in picoCTF: StegoRSA, Timestamped Secrets, AES-ABC
RSAEncrypter
1 writeupSame technique in picoCTF: StegoRSA, john_pollard, rsa_oracle
XOR
1 writeupSame technique in picoCTF: Custom encryption, triple-secure, XtraORdinary