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Every CTF
2021weight 0.00Shadow CTF

Shadow CTF

10 challenges with 15 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 CTFtime

Reverse engineering5

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

Uncategorised3

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

Misc2

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

Other 2021 events