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Every CTF
2024weight 67.51SIGPwny

UIUCTF 2024

48 challenges with 136 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. 24 of them also carry the solution UIUCTF 2024’s own organisers published, which is linked on the challenge itself.

Full task list on CTFtime

Misc16

Everything that fits no other box: esolangs, puzzles, scripting exercises, and the jail escapes that have not yet earned their own category.

Uncategorised12

The upstream scoreboard did not say, so neither do we.

Cryptography7

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.

Binary exploitation5

Turn a memory-safety bug in a native binary into control of execution. Usually a stack overflow, a format string, or a heap primitive.

OSINT5

Answer a question about the real world from public sources. The work is pivoting between identifiers, not exploiting anything.

Reverse engineering3

Work out what a compiled program does without its source, then work backwards from the check to the input that passes it.

Other 2024 events