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Cool Tools Series: Kerbrute
By Andrew Trexler Raxis Principal Penetration Tester Andrew Trexler walks through the many uses of Kerbrute from user enumeration to brute-forcing and password spraying. October 7, 2025 -

AD Series: Using Evil-WinRM to Get NTDS Manually in Penetration Tests
By Andrew Trexler Principal Penetration Tester Andrew Trexler’s Active Directory series is back, showing how to use Evil-WinRM to copy NTDS.dit manually in penetration tests. March 11, 2025 -

AD Series: Resource Based Constrained Delegation (RBCD) for Penetration Testing
By Andrew Trexler Exploit msDS-AllowedToActOnBehalfOfOtherIdentitity to gain administrative access in a Resource Based Constrained Delegation (RBCD) attack on penetration tests. March 12, 2024 -

AD Series: Active Directory Certificate Services (ADCS) Exploits Using NTLMRelayx.py for Penetration Tests
By Andrew Trexler Andrew Trexler ran into issues with certipy when testing on port 443 and found that NTLMRelayx.py worked better in for those ADCS Exploits on penetration tests. January 23, 2024 -

AD Series: Active Directory Certificate Services (ADCS) Misconfiguration Exploits for Penetration Tests
By Andrew Trexler Andrew Trexler adds to his AD series with a tutorial of Active Directory Certificate Services (ADCS) misconfiguration exploits for penetration tests. August 10, 2023 -

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