Session

The Walking Dead of AD: Uncovering rare DACL-led escalation and a BloodHound-integrated tool

This talk explores a rare yet powerful Active Directory attack path that emerges from legacy DACL misconfigurations, recycled accounts, and residual object ownership. These overlooked conditions can silently reintroduce privileges even after apparent revocation, creating persistent escalation and access opportunities. We analyze how inherited permissions, transitive group memberships, and reanimated accounts from the AD Recycle Bin can combine to bypass conventional defenses. To address this, we developed a BloodHound integration that automatically detects, visualizes, and safely simulates these hidden paths, enabling defenders to identify and remediate dormant escalation routes before they can be abused.

Nikos Vourdas

Senior Offensive Security Consultant

Chicago, Illinois, United States

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