Offensive Security Research & Infrastructure Exploitation

Labs, walkthroughs and attack tradecraft by Mr Stark.

This site documents hands-on research into Active Directory exploitation, red team tradecraft, and infrastructure attacks. It includes walkthroughs, lab environments, and deep dives into authentication and privilege escalation techniques.

Current Focus

Active Directory Attack Map

Active Directory Learning Path

Beginner

  • Reconnaissance
  • Enumeration
  • Password Attacks

Intermediate

  • Kerberos Attacks
  • ACL Abuse
  • Delegation Exploitation

Advanced

  • ADCS Attacks
  • Trust Exploitation
  • Forest Dominance
About

Former Senior Network Engineer turned Offensive Security practitioner.

Focus on Active Directory exploitation, Red team tradecraft, and Infrastructure attacks.

Certifications

Cyber Security

CPTS

Certified Penetration Testing Specialist (CPTS)

October 2025
CRTE

Certified Red Team Expert (CRTE)

March 2025
CRTP

Certified Red Team Professional (CRTP)

July 2024
CrowdSec

CrowdSec Certification

August 2022
WHP

Web Hacking Pro (WHP)

2022
Linux PrivEsc

Linux Privilege Escalation

2021
THM Badge

TryHackMe Badge

2021
THM Badge

TryHackMe Badge

2021
THM Badge

TryHackMe Badge

2021
Pentest Experience

Pentest Experience

October 2020
Pentest Experience

Pentest Experience - Curso

October 2020
Pentest Profissional

Novo Pentest Profissional

July 2020
Android Pentest

Pentest Mobile - Android

2020
WiFi Hacking

WiFi Hacking Enterprise

2020
Nova Geração

A Nova Geração em Pentest

2020

Networking

CCNA Letter

CCNA Routing & Switching - Letter

June 2016
CCNP

Cisco Certified Network Professional (CCNP)

2016
CCNP SWITCH

CCNP SWITCH - IP Switching

May 2016
CCNP TSHOOT

CCNP TSHOOT - Troubleshooting

May 2016
CCNP ROUTE

CCNP ROUTE - IP Routing

May 2016
CCNA

Cisco Certified Network Associate (CCNA)

2015
CCNA

CCNA Routing and Switching

May 2015
CCNA Security

CCNA Security

2016
Network Security

Network Security Fundamentals

2015
IoT

Introduction to IoT

2015
Packet Tracer

Packet Tracer Certification

2015
IoT

Introduction to IoT

2021
IT Essentials

IT Essentials

2014