During the Summer of 2024, I had a talk at Troopers called “A Decade of Active Directory Attacks:What We’ve Learned & What’s Next” (Slides & Video) where I focused on the key milestones of Active Directory security (history). This article covers my “decade of Active Directory attacks” in some detail which was correlated with public …
Tag: DSInternals
May 29 2020
Attacking Active Directory Group Managed Service Accounts (GMSAs)
In May 2020, I presented some Active Directory security topics in a Trimarc Webcast called “Securing Active Directory: Resolving Common Issues” and included some information I put together relating to the security of AD Group Managed Service Accounts (GMSA). This post includes the expanded version of attacking and defending GMSAs I covered in the webcast.I …
Sep 25 2015
Mimikatz DCSync Usage, Exploitation, and Detection
Note: I presented on this AD persistence method at DerbyCon (2015). A major feature added to Mimkatz in August 2015 is “DCSync” which effectively “impersonates” a Domain Controller and requests account password data from the targeted Domain Controller. DCSync was written by Benjamin Delpy and Vincent Le Toux. The exploit method prior to DCSync was …
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