EVID 21 : WMI Consumer To Filter Activity (Sysmon 7.01)

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

UserID

<domain>, <login>

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>

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 Events

Classification

1009574

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 Events

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