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O365_User_Added

ID: 100196

Description:

An O365 user has been added

Repository: Fluency Group: Office365 Type: event

Default Status:

Enabled

Tags:
O365
 

Selector:

Query:

Filters:

Field MUST hit
@sender office365
@fields.Operation Add user.
@fields.Workload AzureActiveDirectory
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
ResultStatus @fields.ResultStatus
TargetUser @fields.ObjectId

Correlation Rules:

First Occurrence:

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

History:

User Date
em*n@fluencysecurity.com 2021 Mar 6 03:42:19 EST
em*n@fluencysecurity.com 2021 Mar 6 03:44:07 EST
em*n@fluencysecurity.com 2021 Mar 17 14:14:47 EDT
em*n@fluencysecurity.com 2021 Mar 18 15:09:32 EDT
em*n@fluencysecurity.com 2021 Mar 18 15:22:04 EDT
em*n@fluencysecurity.com 2021 Mar 18 15:25:35 EDT
ho*d@fluencysecurity.com 2021 Apr 14 10:24:51 EDT
em*n@fluencysecurity.com 2021 Jul 6 23:41:16 EDT
em*n@fluencysecurity.com 2021 Jul 7 11:10:10 EDT

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