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Dormant Local Admin Logon

Adversaries may steal the credentials of a specific user or service account using credential access techniques or capture credentials earlier in their reconnaissance process through social engineering as a means of…

Description

Adversaries may steal the credentials of a specific user or service account using credential access techniques or capture credentials earlier in their reconnaissance process through social engineering as a means of gaining initial access. APT33, for example, has used valid accounts for initial access and privilege escalation. The query below It identifies interactive logons made by dormant accounts that also have local admin privileges a strong indicator of suspicious activity.

Detection logic

Detection requirements

Platform
ContainersESXiIaaSIdentity ProviderLinuxmacOSNetwork DevicesOffice SuiteSaaSWindows

The rule states no platform. This is derived from the ATT&CK technique it maps to.

Log source product
behavioranalytics
Log source service
behavioranalytics

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