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Falcon_UserActivity

ID: 100428

Description:

CrowdStrike Falcon User Activity - KLK

Repository: Group: CrowdStrikeES Type: event

Default Status:

Enabled

Tags:  
CrowdStrike Falcon
   

Selector:

Query:

Filters:

Field MUST hit
event.module crowdstrike
crowdstrike.metadata.eventType UserActivityAuditEvent
Field MUST NOT hit
   

Behavior Rule:

Key Type Behavior Category
crowdstrike.event.UserId username security alert

Risks:

Risks Base Score Dimension
     

Attributes:

Alias Key
EventType crowdstrike.metadata.eventType
OperationName crowdstrike.event.OperationName
ServiceName crowdstrike.event.ServiceName
UserID crowdstrike.event.UserId
UserIP crowdstrike.event.UserIp
UTCTimestamp crowdstrike.event.UTCTimestamp
City _ip.city
Country _ip.country
AuditKey crowdstrike.event.AuditKeyValues.Key
AuditKeyValue crowdstrike.event.AuditKeyValues.ValueString

Correlation Rules:

First Occurrence:

Name Window Fields
NewUser 1 day crowdstrike.event.UserId
  Risks: ML_NEW_USER
NewCountry 1 day _ip.country
  Risks: ML_NEW_GEO_COUNTRY
NewCity 1 day _ip.city
  Risks: ML_NEW_GEO_CITY
NewActivity 1 day crowdstrike.event.OperationName
  Risks: ML_NEW_ALERT

History:

| User | Date | | :— | :— | | — | — |

This page was automatically created/formatted on Wed, 2022 May 4 21:43:53 EDT, from rule_dump.json (4d88bffdfb1cea26b3985f2193033606)