Research & CTF

Security research, CTF competitions, and technical writeups

CTF Competitions

Regular CTF competitor contributing to team efforts that achieved consistent top rankings in global open-category competitions.

Top 20
Global CTF
Open Category
Top 50
Global CTF
Open Category
Top 100
Global CTF
Open Category

Technical Writeups

Medium

HelloWorld, Goodbye Protection

DEX Challenge Writeup

Deep dive into Android DEX reversing - hex editing, checksum fixes, and analysis with JADX, Apktool, and uber-apk-signer.

Android REDEX AnalysisChecksum Bypass

Research Focus Areas

Vulnerability Research

Android security, API testing, authentication bypass

Binary Exploitation

Buffer overflows, ROP chains, format strings

Reverse Engineering

DEX analysis, native code, obfuscation bypass