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MediumSplunk security content Rico Valdez +2

WMI Permanent Event Subscription - Sysmon

Detects the creation, modification or deletion of a WMI permanent event subscription using Sysmon EventID 21.

Detection logic

Detection requirements

Platform: Windows
The rule states no platform. This is derived from the ATT&CK technique it maps to.
Log source category: sysmon_eventid_21

Known benign triggers

Administrators and software may create authorized WMI subscriptions. Review the consumer and filter paths, then tune known authorized subscriptions with the detection filter macro.

References

Links the source published beside this detection. Reference is the link the source wrote, unmodified. Class is decided by this catalogue from the host and path, not stated by the source. Cited by counts published detections citing the same resource, including this one, and the sources beneath it count the repositories this catalogue ingests, which is not the same as independent research.
Reference	Class	Cited by
github.com/redcanaryco/atomic-red-team/blob/388942adbd9641f4dfdcf079d7efe9a75ec0ac43/atomics/T1546.003/T1546.003.yaml#L44	Detection test	3
github.com/redcanaryco/atomic-red-team/blob/388942adbd9641f4dfdcf079d7efe9a75ec0ac43/atomics/T1546.003/T1546.003.yaml#L5	Detection test	3
github.com/redcanaryco/atomic-red-team/blob/388942adbd9641f4dfdcf079d7efe9a75ec0ac43/atomics/T1546.003/T1546.003.yaml#L86	Detection test	3
github.com/redcanaryco/atomic-red-team/blob/master/atomics/T1546.003/T1546.003.md	Detection test	2
github.com/trustedsec/SysmonCommunityGuide/blob/master/chapters/WMI-events.md	Tool	3
in.security/2019/04/03/an-intro-into-abusing-and-identifying-wmi-event-subscriptions-for-persistence/	Unclassified	3
www.eideon.com/2018-03-02-THL03-WMIBackdoors/	Unclassified	8from 2 sources

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