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O365_Safe_Attachment_Rule_Disabled

ID: 100191

Description:

A safe attachment rule was disabled in O365 Exchange

Repository: Group: Office365 Type: event

Default Status:

Enabled

Tags:
O365
 

Selector:

Query:

Filters:

Field MUST hit
@sender office365
@fields.Operation Disable-SafeAttachmentRule
@fields.Workload Exchange
@fields.ResultStatus Succeeded
Field MUST NOT hit
   

Behavior Rule:

Key Type Behavior Category
@fields.UserId username security alert

Risks:

Risks Base Score Dimension
Timeline 0 -

Attributes:

Alias Key
IP @fields.ClientIP
City @fields._ip.city
Country @fields._ip.country
UserName @fields.UserId
Message @message

Correlation Rules:

First Occurrence:

Name Window Fields
NewUser 2 days @fields.UserId
  Risks: ML_NEW_USER
NewIP 1 day @fields.ClientIP
  Risks: ML_NEW_IP
NewCity 3 days @fields._ip.city
  Risks: ML_NEW_GEO_CITY
NewCountry 5 days @fields._ip.country
  Risks: ML_NEW_GEO_COUNTRY

History:

User Date
em*n@fluencysecurity.com 2021 Mar 3 05:06:53 EST

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