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This search looks for the creation of WMI temporary event subscriptions.

  • Type: TTP
  • Product: Splunk Enterprise, Splunk Enterprise Security, Splunk Cloud
  • Datamodel:
  • Last Updated: 2018-10-23
  • Author: Rico Valdez, Splunk
  • ID: 38cbd42c-1098-41bb-99cf-9d6d2b296d83


ID Technique Tactic
T1047 Windows Management Instrumentation Execution
`wmi` EventCode=5860 Temporary 
| rex field=Message "NotificationQuery =\s+(?<query>[^;
| search query!="SELECT * FROM Win32_ProcessStartTrace WHERE ProcessName = 'wsmprovhost.exe'" AND query!="SELECT * FROM __InstanceOperationEvent WHERE TargetInstance ISA 'AntiVirusProduct' OR TargetInstance ISA 'FirewallProduct' OR TargetInstance ISA 'AntiSpywareProduct'" 
| stats count min(_time) as firstTime max(_time) as lastTime by ComputerName, query  
| `security_content_ctime(firstTime)`
| `security_content_ctime(lastTime)` 
| `wmi_temporary_event_subscription_filter`

Associated Analytic Story

How To Implement

To successfully implement this search, you must be ingesting the Windows WMI activity logs. This can be done by adding a stanza to inputs.conf on the system generating logs with a title of [WinEventLog://Microsoft-Windows-WMI-Activity/Operational].

Required field

  • _time
  • EventCode
  • Message
  • query

Kill Chain Phase

  • Actions on Objectives

Known False Positives

Some software may create WMI temporary event subscriptions for various purposes. The included search contains an exception for two of these that occur by default on Windows 10 systems. You may need to modify the search to create exceptions for other legitimate events.


Test Dataset

Replay any dataset to Splunk Enterprise by using our replay.py tool or the UI. Alternatively you can replay a dataset into a Splunk Attack Range

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