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O365_AzureAD_Add_Member_To_Group

ID: 100459

Description:

Office365 AzureAD Add member to group (Azure_Administrative_Operations)

Repository: Group: Office365 Type: event

Default Status:

Enabled

Tags:  
O365 AzureAD
   

Selector:

Query:

Filters:

Field MUST hit
@fields.Operation Add member to group.
@sender office365
@fields.UserId exist (boolean)
Field MUST NOT hit
@fields.UserType 4
  5

Behavior Rule:

Key Type Behavior Category
@fields.UserId username application activity

Risks:

Risks Base Score Dimension
ALERT_POLICY 200 alert

Attributes:

Alias Key
Username @fields.UserId
Workload @fields.Workload
Operation @fields.Operation
ResultStatus @fields.ResultStatus
TargetIDs @fields.Target.ID
ActorIDs @fields.Actor.ID
ModifiedPropertiesNewValues @fields.ModifiedProperties.NewValue
ObjectId @fields.ObjectId
GroupDisplayName @fields.ModifiedPropertiesFieldsNew.Group_DisplayName

Correlation Rules:

First Occurrence:

Name Window Fields
NewUser 10 days @fields.UserId
  Risks: ML_NEW_USER

History:

User Date
ho*d@fluencysecurity.com 2021 Sep 27 18:23:23 EDT
ho*d@fluencysecurity.com 2021 Sep 27 18:24:24 EDT
ho*d@fluencysecurity.com 2021 Sep 27 19:45:20 EDT
ho*d@fluencysecurity.com 2021 Sep 27 19:46:16 EDT
ho*d@fluencysecurity.com 2021 Sep 27 19:52:32 EDT
ho*d@fluencysecurity.com 2021 Sep 27 21:40:55 EDT
ho*d@fluencysecurity.com 2021 Sep 27 22:10:33 EDT
2021 Sep 30 17:58:36 EDT

This page was automatically created/formatted on Tue, 2021 Oct 19 00:29:17 EDT, from rule_dump.json (db47c470500ce8686ead334f5eda0596)