Azure Device or Configuration Modified or Deleted

 Original Source: [Sigma source]
Title: Azure Device or Configuration Modified or Deleted
Status: test
Description:Identifies when a device or device configuration in azure is modified or deleted.
References:
  -https://learn.microsoft.com/en-us/entra/identity/monitoring-health/reference-audit-activities#core-directory
Author: Austin Songer @austinsonger
Date: 2021-09-03
modified:2022-10-09
Tags:
  • -'attack.impact'
  • -'attack.t1485'
  • -'attack.t1565.001'
Logsource:
  • product: azure
  • service: activitylogs
Detection:
  selection:
    properties.message:
      -'Delete device'
      -'Delete device configuration'
      -'Update device'
      -'Update device configuration'

  condition:selection
Falsepositives:
  -Device or device configuration being modified or deleted may be performed by a system administrator.
  -Verify whether the user identity, user agent, and/or hostname should be making changes in your environment.
  -Device or device configuration modified or deleted from unfamiliar users should be investigated. If known behavior is causing false positives, it can be exempted from the rule.
Level: medium