Sign-ins by Unknown Devices

Title: Sign-ins by Unknown Devices
Status: test
Description:Monitor and alert for Sign-ins by unknown devices from non-Trusted locations.
References:
  -https://learn.microsoft.com/en-us/entra/architecture/security-operations-devices#non-compliant-device-sign-in
Author: Michael Epping, '@mepples21'
Date: 2022-06-28
modified:2022-10-05
Tags:

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

Logsource:

• product: azure
• service: signinlogs

Detection:
  selection:
    AuthenticationRequirement: 'singleFactorAuthentication'
    ResultType: '0'
    NetworkLocationDetails: '[]'
    DeviceDetail.deviceId: ''
  condition:selection
Falsepositives:
  -Unknown
Level: low