Detection rules › Sigma
Changes to Device Registration Policy
Monitor and alert for changes to the device registration policy.
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Privilege Escalation | T1484 Domain or Tenant Policy Modification |
| Defense Impairment | T1484 Domain or Tenant Policy Modification |
Event coverage
| Provider | Event |
|---|---|
| Entra-AuditLogs | Set device registration policies |
Rules detecting the same action
Other rules on this platform that filter on the same API call or operation.
Rule body yaml
title: Changes to Device Registration Policy
id: 9494bff8-959f-4440-bbce-fb87a208d517
status: test
description: Monitor and alert for changes to the device registration policy.
references:
- https://learn.microsoft.com/en-us/entra/architecture/security-operations-devices#device-registrations-and-joins-outside-policy
author: Michael Epping, '@mepples21'
date: 2022-06-28
tags:
- attack.privilege-escalation
- attack.defense-impairment
- attack.t1484
logsource:
product: azure
service: auditlogs
detection:
selection:
Category: 'Policy'
ActivityDisplayName: 'Set device registration policies'
condition: selection
falsepositives:
- Unknown
level: high
Stages and Predicates
Stage 0: condition
selectionStage 1: selection
selection:
Category: 'Policy'
ActivityDisplayName: 'Set device registration policies'
Indicators
Each row is a field, operator, and value that the rule matches. The corpus column counts how many other rules in the catalog look for the same combination: high numbers point to widely-used, community-vetted indicators. Blank or 1 shows that the indicator is specific to this rule.
| Field | Kind | Values |
|---|---|---|
ActivityDisplayName | eq |
|
Category | eq |
|