> Home

Overview

[*] Name: Ricardo Silva aka chu.
[*] Gender: Male.
[*] Country: Brazil.
[*] Language: Portuguese, English(Studying).
[*] Interests: CTF, cats, travel and animes.
[*] Skill Set: Offensive Security.
[*] Occupation:

• Pentester & Red Teamer

Table of Contents

• Socials
• Platform
• HackTheBox
• TryHackMe
• PentesterLab
• Skills
• Programming Languages
• Content Management System(CMS)
• Operating system(OS)
• Network Device
• Team & Community
• 7h3B14ckKn1gh75, aka Knights
• BoitaTech
• Certifications
• Desec
• INE Security
• HackTheBox Academy
• Awards History
• Contact

Socials

• Blog: https://repo4chu.github.io/
• Twitter: https://twitter.com/alsoknowaschu
• Github: https://github.com/repo4Chu
• LinkedIn: https://www.linkedin.com/in/ricardo-silva-9b51021a3/

Skills

• Programming Languages:

  • Web
    • HTML
    • CSS
    • JavaScript
  • Script
    • Shell Script
    • Powershell Script
  • Python(Studying)
  • PHP(Studying)
  • C(Studying)

Content Management System(CMS):

• WordPress
• Drupal
• Joomla
• Magento

• Operating system(OS):

  • Windows
  • Windows XP
  • Windows 7
  • Windows Vista
  • Windows 10
  • Windows 11
  • Linux
  • Ubuntu
  • Debian
  • Kali Linux
  • Parrot OS
  • CentOS
  • Mobile
  • Android

  • Network Device

    • Cisco
    • IT Essentials: PC Hardware and Software
    • Introduction to Cybersecurity
    • Cybersecurity Essentials
    • CCNAv7: Introduction to Networks

  • Other:

    [*] Penetration Testing and Red team
    [*] Mocking everyday things.
    [-] etc.

  Platform

  • HackTheBox

    
    

    Lab link
    

    [*] Rank: Elite Hacker Rank. (60% pwned)
    [*] Total Systems Owned: 238 systems owned. (January 2024)
    [*] HTB profile page: https://app.hackthebox.com/profile/148108
    [-] Best Global Ranking: 71.
    [-] Best Brazil Ranking: 1.
    My HackTheBox retired machine writeups
    
    
    [*] Solved Addvanced Lab:
    

    • Fortresses
    • Jet: Lab link
    • Akerva: Lab link
    • Context: Lab link
    • Synacktiv: Lab link
    • Faraday: Lab link
    • AWS: Lab link
    
    [*] For an introduction to Hack The Box and understanding the ranking system, please refer to the following article.

  • PentesterLab

    Lab link
    

    [*] PentesterLab profile page: https://pentesterlab.com/profile/652e2ce21f18a9e6bd63e4cdc8
    [-] 44% - 226 out of 514 completed (January 2024)
    
    

    • Badges earned
    • Unix Badge: Lab link
    • Recon Badge: Lab link
    • Essential Badge: Lab link
    • PCAP badge: Lab link
    • HTTP Badge: Lab link
    • White Badge Lab link
    • Serialize Badge Lab link
    • Yellow Badge Lab link

  • TryHackMe

    Lab link
    

    [*] Rank: 0x8 HACKER
    [-] 27 Rooms Complete
    [-] TryHackMe Profile link: https://tryhackme.com/p/chu
    

  Team & Community

  • 7h3B14ckKn1gh75, aka Knights

    [*] Role: Knight Champions.
    

    • HTB Team: https://app.hackthebox.com/teams/overview/3804
    • GitHub: https://github.com/orgs/7h3-B14ck-Kn1gh75
      
    • CTFTime: https://ctftime.org/team/145245
    
    
    [*] We are a team passionate about animals and information security! [*]
    [*] We love helping each other in all aspects! [*]
    [*] We love participating in CTFs and we do some internal [*]
    [*] We have members with many years of experience in the area, always willing to help and answer questions, humility is something important here [*]
    [*] Together we are strong [*]
    [*] Join us and be a knight [*]
    
    

  
  

  • BoitaTech

    • Discord: https://discord.gg/qZrUr5kx
    
    
    [*] I'm also part of an incredible community called BoitaTech.
    [*] A good place to start your studies
    

  Certifications

  • Desec

    • Desec Certified Penetration Tester (DCPT): Certification web link

  • INE Security

    • eLearnSecurity Junior Penetration Tester (eJPT): Certification web link

  • HackTheBox Academy

    • working on it :)

  Awards History

  • Top 100 Globally (Hall of Fame) [*] Issuer: HackTheBox, June 2023
    
  • First Blood (HTBank - Web Challenge) [*] Issuer: HackTheBox, January 2024
    
  
  

  Contact

  chu__o_o
  alsoknowaschu
  chuboat@protonmail.com