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5r4z4/README.md
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guest@github:~$ whoami

Cybersecurity enthusiast and B.Sc. (Engg.) in ICT candidate at Islamic University, Bangladesh (2026). I focus on web application penetration testing, privilege escalation, and recon automation β€” and I love building tools that make that work fast, repeatable, and fun. Co-founder & VP of the IU Cyber Security Society, and a two-time inter-university CTF finalist at BUET CSE Fest.


πŸ› οΈ Tools I've Built

πŸ” SubRecon

Fully automated subdomain reconnaissance, chaining:

  • Subfinder
  • Sublist3r
  • Amass
  • Assetfinder
  • Findomain
  • httpx
  • Aquatone

One command. Multiple tools. One final result.

πŸ” CTF-XOR-Tool

Web-based XOR encode/decode tool with a custom key and Base64, built for CTFs and lightweight obfuscation.

  • πŸ”’ Custom XOR key (0–255)
  • πŸ” Encode (XOR + Base64)
  • πŸ”“ Decode (Base64 + XOR)
  • ⚑ Instant result display
  • πŸ’‘ Great for CTF token decoding (e.g. e3o= β†’ 10)

βš™οΈ Core Competencies

Vulnerability Assessment & Pentesting (VAPT) OWASP Top 10 Linux/Windows Privilege Escalation Active Directory Enumeration Network Security CMS Exploitation Bash Automation PTES OWASP WSTG MITRE ATT&CK CVSS v3.1

Toolbelt: Nmap Β· Burp Suite Β· Metasploit Β· Wireshark Β· Gobuster Β· FFuf Β· Hydra Β· Nessus Β· OWASP ZAP Β· Kali Linux Β· Parrot OS


πŸš€ What I'm Working On

  • πŸ”Ž Building automation tools for OSINT and recon
  • ✍️ Writing beginner-friendly guides for bug bounty hunting
  • 🏫 Running cybersecurity workshops through the IU Cyber Security Society
  • πŸ“š Constantly learning and sharing knowledge on LinkedIn and GitHub

πŸ† CTF & Certifications

  • πŸ₯ˆ 2nd Runner-Up, Inter-University CTF β€” BUET CSE Fest 2024
  • πŸ… 9th Place, Inter-University CTF β€” BUET CSE Fest 2026
  • πŸ“œ Web Penetration Testing & Bug Hunting β€” Cyber Bangla Ltd. (71%)

πŸ“Š GitHub Stats

Shahin's GitHub stats GitHub streak
Top languages

πŸ“« Connect with Me


⚑ Fun Fact

I break things to make the web safer. πŸ›‘οΈ

Profile views

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