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2023

corCTF 2023 Writeups

Little known fact: Crusaders of Rust used to not know Rust.

a an00b
August 5, 2023
31 min read

crypto web reverse-engineering classical cbc modular-arithmetic rsa block-cipher stream-cipher touch-grass graphql
Nahamcon 2023: Cryptography

crypto means cryptography, not cryptocurrency

a an00b
June 18, 2023
14 min read

crypto length-extension hash rsa rref sha1 merkle-damgard ecc ecdsa-nonce-reuse ecdsa
Cyber Apocalypse 2023: Alien Saboteur

You spin me right round baby right round baby right round baby right round baby right round baby right round baby right round baby right round baby ...

a an00b
March 25, 2023
22 min read

reverse-engineering linux ghidra gdb ptrace htb-cyber-apocalypse virtual-machine