Bypassing old school captchas for fun!

In late September, I found a bypass to a strange captcha system in a website that belongs to a well-known telecommunications company in Portugal. I hope you like it!

March 26, 2025 · 10 min

Clojure SSTI

In the 0xL4ugh CTF 2024, there was a web challenge with a peculiar programming language used for web development called Clojure. My team solved the challenge but information on the web is almost nonexistent. In today’s blog post, I will explain my thought process and depict how we solved the challenge.

December 28, 2024 · 6 min