Penetration test report for the Expressway machine on Hack The Box. A Linux target involving IKE Aggressive Mode PSK cracking and Sudo hostname spoofing for privilege escalation.
Blockchain challenge involving address collision attack against a Rust-based rollup node using Ed25519 signatures and Blake3 hashing.
Pwn/Concurrency challenge involving a TOCTOU race condition where input pipelining is used to beat a 1ms thread timer.
