Andrew Trexler

Andrew graduated from the University of Pittsburgh with a degree in Information Science where he focused on networking and security. He continued his education by obtaining the Offensive Security Certified Professional (OSCP) and the eLearnSecurity Junior Penetration Tester (eJPT) certifications. When not participating in capture the flag events, Andrew works as a pyrotechnic operator setting up and shooting firework shows in the Pittsburgh area.

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The Exploit: Penetration Testing Insights From The Frontlines

The Exploit articles written by Andrew Trexler

  • Broadcast Attacks - Responder
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    AD Series: How to Perform Broadcast Attacks Using NTLMRelayx, MiTM6 and Responder for Penetration Tests

     By Andrew Trexler Andrew Trexler continues his AD Series with an in-depth tutorial on broadcast Attacks using NTLMRelayx, MiTM6 and Responder for penetration tests. June 19, 2023
  • How to Create an Active Directory Test Environment
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    How to Create an AD Test Environment to Use for Penetration Testing

     By Andrew Trexler Andrew Trexler walks us through creating a simple AD test environment to test new hacks before trying them on a penetration test. April 27, 2023
  • Exploiting Dirty Pipe (CVE-2022-0847)
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    Exploiting Dirty Pipe (CVE-2022-0847)

     By Andrew Trexler The Dirty Pipe vulnerability (CVE-2022-0847) allows any user to write to read-only files, including files that are owned by root, allowing privilege escalation. May 26, 2022
  • Offensive Security OSCP
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    So, You Want to Earn Your OSCP?

     By Andrew Trexler What’s it like to earn your OSCP? Raxis senior penetration tester Andrew Trexler talks about his experience preparing for and taking the exam. February 4, 2022
  • Andrew Trexler

    Andrew Trexler, Senior Penetration Tester

     By Andrew Trexler Senior penetration tester Andrew Trexler has a penchant for breaking in and blowing up. Read on to find out why both are good things. December 3, 2021