$ whoami

ethical hacker and bug bounty hunter

01//about

cat about.md

Computer Science graduate focused on cybersecurity.

I work with offensive security, bug bounty and CTFs, and I document what I learn along the way.

// stack & areas

  • Web Pentesting
  • Vulnerability Analysis
  • Linux
  • Networking
  • Python
  • Bash
  • Burp Suite
  • Nmap
  • OSINT
02//bounties

cat wanted_posters.log

// total bounty: ฿20,000,000 ($20,000)

  • WANTED

    Unknown target

    DEAD OR ALIVE

    [REDACTED]

    Private program

    ฿20,000,000

    ($20,000)

    Details withheld — private disclosure

    MARINE

03//ctf writeups

ls ./writeups/htb

04//contact

ssh ninjaa.exe@portfolio

Open to opportunities, collaborations and security conversations. Find me here:

Email

butzkeguilherme@gmail.com

Discord

ninjaa.exe

X

@ninjaaexe

LinkedIn

/in/gbutzke

GitHub

@ninjaa-exe

Hack The Box

ninjaa.exe

HackerOne

@ninjaa-exe