Hello, I'm Rahul.

Cybersecurity researcher driven by curiosity and continuous learning.

I’m Rahul Sreenivasan (Tr0j4n), a security researcher with a background in computer science, specializing in cybersecurity. I love to build and break things for a good cause.

Available for Projects
Security Researcher
Bug Hunter
Rahul Sreenivasan

Recent Activity

Hello, I'm Rahul.
writeups Mar 19, 2026

WinjaCTF 2026 Writeup WinjaCTF 2026 Writeup

Writeups for the WinjaCTF 2026 challenges - prototype pollution, git forensics, keras supply chain backdoor, React2Shell …

Hello, I'm Rahul.
writeups Mar 5, 2026

HTB: Pirate HTB: Pirate

Hello, I'm Rahul.
notes Jan 1, 2023

eJPT Cheatsheet (2023)

Cheatsheet to prepare for the eLearnSecurity eJPT certification exam. Note I wrote down everything important from my …

Core Expertise

Offensive Security

Penetration Testing
Web Application Security
Network Exploitation
Mobile Security
Cloud Security
AI Pentesting

Vulnerability Research

CVE Discovery
API Security Analysis
Code Review

Development

Python
Bash / Shell
JavaScript
PHP
Rust