Azure Device or Configuration Modified or Deleted


Description

Identifies when a device or device configuration in azure is modified or deleted.

Query · sigma

selection:
  properties.message:
  - Delete device
  - Delete device configuration
  - Update device
  - Update device configuration
condition: selection

Known false positives

  • 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.
Raw source Azure Device or Configuration Modified or Deleted · Sigma
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Published by SigmaHQ/sigma ↗, licensed under Detection Rule License 1.1 ↗. Reproduced here unmodified.
title: Azure Device or Configuration Modified or Deleted
id: 46530378-f9db-4af9-a9e5-889c177d3881
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

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