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O365_Exchange_SetMailBox_ForwardingSmtpAddress

ID: 100461

Description:

Office365 Exchange Set-Mailbox ForwardingSmtpAddress action

Repository: Group: Office365 Type: event

Default Status:

Enabled

Tags:  
O365 Exchange
   

Selector:

Query:

Filters:

Field MUST hit
@fields.Operation Set-Mailbox
@fields.Workload Exchange
@fields.UserId exist (boolean)
@fields.ParametersFields.ForwardingSmtpAddress 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_NORMAL 100 alert
ALERT_POLICY 200 alert

Attributes:

Alias Key
Username @fields.UserId
Operation @fields.Operation
ResultStatus @fields.ResultStatus
ObjectId @fields.ObjectId
ExternalAccess @fields.ExternalAccess
ForwardingSmtpAddress @fields.ParametersFields.ForwardingSmtpAddress
DeliverToMailboxAndForward @fields.ParametersFields.DeliverToMailboxAndForward
IP @fields.ClientIP
Country @fields._ip.country
ISP @fields._ip.isp
Workload @fields.Workload

Correlation Rules:

First Occurrence:

Name Window Fields
NewUser 10 days @fields.UserId
  Risks: ML_NEW_USER
NewISP 10 days @fields._ip.isp
  Risks: SUSPICIOUS_GEO
NewAddr 10 days @fields.ParametersFields.ForwardingSmtpAddress
  Risks: ML_NEW_CLIENT

History:

User Date
ho*d@fluencysecurity.com 2021 Sep 28 11:05:38 EDT
ho*d@fluencysecurity.com 2021 Sep 28 11:08:06 EDT
ho*d@fluencysecurity.com 2021 Sep 28 11:11:40 EDT
ho*d@fluencysecurity.com 2021 Sep 28 11:14:21 EDT
2021 Sep 30 17:58:10 EDT

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