Currently working as a security engineer. AS400671 operator.
Wargame for offensive security experts to overcome situations of getting stuck
in breaking into sophisticated web services or web-based solutions.
The service initially started off at 2014; overall difficulty is lower as
years have passed since the intial release of challenges.
|Internet Service Provider (ISP)Corporate NetworkingBGP|
Non-profit multipurpose network provider for the NA region.
Currently used for hosting, personal researches and penetration tests.
Clubhouse API written in Python.
Standalone CLI client included.
For reference and education purposes only.
Developed Linux Kernel Module(LKM) and a web service
to manage answers(flag) for the security competition
for finding out cheating players.
Released the code for being #1 on CTFTime 2016.
Leaks contents from other players' temporary folders
by bruteforcing directories. Works for local exploitation challenges.
List of users and teams were directly crawled from ctftime.org.
List of CTF challenges made since 2018.
Some of challenges made before 2018 can be seen in chall.stypr.com.