UrchinSec Tanzania National CTF MMXXIV
8 challenges with 8 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 CTFtimeCryptography6
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.
- cryptography
Same technique in picoCTF: It's Not My Fault 2, StegoRSA, AES-ABC
- cryptography
Same technique in picoCTF: It's Not My Fault 2, StegoRSA, AES-ABC
- cryptography
Same technique in picoCTF: It's Not My Fault 2, StegoRSA, AES-ABC
- cryptography
Same technique in picoCTF: It's Not My Fault 2, StegoRSA, john_pollard
- cryptography
Same technique in picoCTF: It's Not My Fault 2, StegoRSA, AES-ABC
- cryptography
Same technique in picoCTF: Custom encryption, XtraORdinary, It's Not My Fault 2
OSINT1
Answer a question about the real world from public sources. The work is pivoting between identifiers, not exploiting anything.
- osint
Same technique in picoCTF: CVE-XXXX-XXXX
Web1
Reach data or functionality the application meant to keep from you - through its inputs, its tokens, or its trust in the client.
Guess The Flag
1 official solutionAlso written up in: Roma476/CTF-WriteUps