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#ctf

13 posts
2026-05-26pwna pwntools cookbook4 min
2026-05-26pwnwriteup: static — no libc, no leak, just SROP3 min
2026-05-19toolingone keybind to checksec everything3 min
2026-05-18pwnwriteup: notekeeper — a UAF from menu to shell3 min
2026-04-30pwnseccomp jails, and the holes in them3 min
2026-03-25cryptoa tour of RSA attacks3 min
2026-03-22cryptotwo signatures, one nonce: recovering an ECDSA key4 min
2026-03-20cryptohash length extension — appending to a MAC you can't compute3 min
2026-03-18cryptothe CBC padding oracle — decrypting without the key3 min
2026-02-22pwnprintf is a write primitive3 min
2026-02-08reangr — let the solver read the check for you3 min
2026-01-29pwnret2libc on a warm-up: stack smash to shell4 min
2025-12-25ctfadvent of pwn 20255 min