EVID 21 : WMI Consumer To Filter Activity (Sysmon 8/9/10)

Event Details

Event Type	WmiEvent (WmiEventConsumerToFilter Activity Detected)
Event Description	21 : Logs the consumer name and filter path when a consumer binds to a filter.
Event ID	21

Log Fields and Parsing

This section details the log fields available in this log message type, along with values parsed for both LogRhythm Default and LogRhythm Default v2.0 policies. A value of "N/A" (not applicable) means that there is no value parsed for a specified log field.

Log Field	LogRhythm Default	LogRhythm Default v2.0
Provider	N/A	N/A
EventID	<vmid>	<vmid>
Version	N/A	N/A
Level	<severity>	<severity>
Task	N/A	<vendorinfo>
Opcode	N/A	N/A
Keywords	N/A	<result>
TimeCreated	N/A	N/A
EventRecordID	N/A	N/A
Correlation	N/A	N/A
Execution	N/A	N/A
Channel	N/A	N/A
Computer	<dname>	<dname>
Security	N/A	N/A
EventType	<vendorinfo>	N/A
Operation	<tag1>, <action>	N/A
User	<domain>, <login>	<login>, <domainorigin>
Consumer	<object>	N/A
Filter	<objectname>	N/A
Query	N/A	<command>
RuleName	<policy>	<policy>

Log Processing Settings

This section details log processing changes made from the LogRhythm Default policy to LogRhythm Default v2.0. In some cases, base rules are broken down into sub-rules to appropriately parse log message types by their event types.

LogRhythm Default

Regex ID	Rule Name	Rule Type	Common Event	Classification
1009740	EVID 21 : WMI Consumer To Filter Activity	Base Rule	Object Accessed	Access Success
	EVID 21 : WMI Consumer To Filter Created	Sub Rule	Object Created	Access Success
	EVID 21 : WMI Consumer To Filter Modified	Sub Rule	Object Modified	Access Success

LogRhythm Default v2.0

Regex ID	Rule Name	Rule Type	Common Event	Classification
1011226	V 2.0 : WMI Events	Base Rule	Object Modified	Access Success
	V 2.0 : EVID 19 : WMI Filter Registered	Sub Rule	Object Created	Access Success
	V 2.0 : EVID 20 : WMI Consumer Registered	Sub Rule	Object Created	Access Success
	V 2.0 : EVID 21 : WMI Filter Bound	Sub Rule	Connection Enabled	Information