Guest User Invited By Non Approved Inviters

Title: Guest User Invited By Non Approved Inviters
Status: test
Description:Detects when a user that doesn't have permissions to invite a guest user attempts to invite one.
References:
  -https://learn.microsoft.com/en-us/entra/architecture/security-operations-privileged-accounts#things-to-monitor
Author: Mark Morowczynski '@markmorow', Yochana Henderson, '@Yochana-H'
Date: 2022-08-10
modified:None
Tags:

• -'attack.privilege-escalation'
• -'attack.initial-access'
• -'attack.persistence'
• -'attack.stealth'
• -'attack.t1078.004'

Logsource:

• product: azure
• service: auditlogs

Detection:
  selection:
    properties.message: 'Invite external user'
    Status: 'failure'
  condition:selection
Falsepositives:
  -A non malicious user is unaware of the proper process
Level: medium