The Quiet Phase: Why Active Directory Group Enumeration Deserves Your Attention
Summary
The article highlights a common security oversight where organizations focus on changes to privileged groups like Domain Admins but ignore enumeration requests for membership. This quiet phase, where attackers gather information about group memberships, often precedes more direct attacks, making it a critical blind spot for many security teams.
IFF Assessment
The article discusses a technique used by attackers to gather information about privileged groups, which defenders often overlook, making it advantageous for adversaries.
Defender Context
Defenders should be aware that attackers can gather significant intelligence by enumerating Active Directory group memberships without triggering alerts. Implementing more granular logging and alerting on queries related to privileged group memberships, not just modifications, can help detect early stages of an attack.