squ1rrel
  • Home
  • About
  • Team
  • CTFTime
siraben

Ben Siraphob

Ben has worked in areas ranging from analyzing surveillance footage to proofs of correctness for smart contracts. He is a polyglot with both natural and computer languages. He loves to travel, make and break things. He also has been playing the piano for over 15 years and is learning the skill of prompt engineering.

The Earth •
2 posts •
Buckeyectf Misc

nile & andes

Despite having worked in smart contract security, I have never actually performed an attack before – until now. Let’s take a look at some not-so-smart contracts, shall we?

Ben Siraphob 11 min read
Sekaictf Misc

Matryoshka

ANSI escape codes. Race conditions in PNG parsing. Digital COVID-19 vaccination records. De-noising audio files and the NATO phonetic alphabet. The only thing linking all of them? A race to solve a CTF

Ben Siraphob 9 min read
squ1rrel © 2025
Latest Posts Twitter