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Salah Chafai

Security Researcher & Exploit Developer

About Me

Currently diving deep into exploit development, reverse engineering, and breaking code (whether it's yours, mine, or ours).
Used to do game (and game-engine) dev, and low-level graphics. Admired the creative side, so I still sneak shaders where they have no business being.
Big fan of animals and trees; ducks are the absolute pinnacle of perfection.
My cat helps me debug, paws down, the best co-pilot.

Profile Picture

Achievements

Co-founded REvenant

AI Research Platform
  • Co-founded and led development of an AI-assisted exploit research platform using autonomous agents to orchestrate analysis tools, patchers, and debuggers — cutting malware deobfuscation time by 35%, manual research effort by 20%, and significantly speeding up CTF challenge solves.

CTF Achievements

Competitive Hacking
  • Qualified for ASCW finals 2025.
  • Qualified for Cyber Tech Olympics 2025.
  • Qualified for blackhat MEA finals 2025.
  • Qualified for CSAW 2025.
  • Ranked top 3 in CSAW 2025 finals.
  • Qualified for ASCW 2025.
  • Ranked top 4 in BrunnerCTF (1,158 teams)

RegNet Web Server

Systems Programming
  • Developed a lightweight, high-performance static web server from scratch in x86-64 assembly (NASM), with fully manual memory management, lock-free data structures, fast HTTP/1.1 parsing, and non-blocking concurrent connection handling via modern Linux kernel interfaces.

Experience

Technical Instructor — Securinets

September 2024 - Present
  • Authored original Pwn and Reverse Engineering CTF challenges, engaging 400+ participants per event.
  • Delivered hands-on workshops on binary exploitation, training students from 10+ universities in practical pwn and RE techniques.
  • Developed and maintained fully containerized, load‑resilient challenge infrastructure, delivering uninterrupted 100% uptime across all competition periods.

Web Security Engineer — MyDriveID

October 2025 - December 2025
  • Built a secure web application for recruitment, implementing encrypted storage for applicant documents and robust OAuth-based authentication.
  • Developed employer dashboards for reviewing applications, allocating tasks, and tracking work time, enhancing operational efficiency.
  • Strengthened system security by enforcing access controls, secure API interactions, and end-to-end encryption, reducing risk of unauthorized data access.

CTF Player — FL1TZ

September 2024 - Present
  • Consistently achieved top rankings in competitive CTFs at both national and international levels.
  • Qualified for prestigious competitions including Arab Security Cyber Wargames, Blackhat, Cybersecurity Tech Olymics & CSAW
  • Specialized in Pwn and Reverse Engineering categories across multiple CTF formats

ICT Engineering Student — INSAT

2023 - May 2027
  • Pursuing National Engineering Diploma in Computer Networks and Telecommunications
  • Specialized coursework in Operating Systems & Virtualization, Embedded & Real-Time Systems
  • Focus on High-Speed Networks & Mobile Protocols & Cybersecurity

Lead Game Developer — Phantom Penguin

November 2020 - 2022
  • Led a cross-functional team of 6 developers to deliver 5+ desktop and mobile game titles from concept to release.
  • Coordinated task allocation and conducted structured code reviews, increasing team productivity by ~40%
  • Stabilized release builds through systematic testing and pre-release triage, achieving 100% on-time deliveries