Suspicious Inbox Forwarding Identity Protection

Title: Suspicious Inbox Forwarding Identity Protection
Status: test
Description:Indicates suspicious rules such as an inbox rule that forwards a copy of all emails to an external address
References:
  -https://learn.microsoft.com/en-us/entra/id-protection/concept-identity-protection-risks#suspicious-inbox-forwarding
  -https://learn.microsoft.com/en-us/entra/architecture/security-operations-user-accounts#unusual-sign-ins
Author: Mark Morowczynski '@markmorow', Gloria Lee, '@gleeiamglo'
Date: 2023-09-03
modified:None
Tags:

• -'attack.t1114.003'
• -'attack.collection'

Logsource:

• product: azure
• service: riskdetection

Detection:
  selection:
    riskEventType: 'suspiciousInboxForwarding'
  condition:selection
Falsepositives:
  -A legitimate forwarding rule.
Level: high