AD-GPOS-03: WMI filter details should be investigated
| ID | AD-GPOS-03 |
| Severity | Info |
| Suite | Active Directory (on-premises) |
| Product | Active Directory |
| Feature | Group Policy |
| Security area | Infrastructure hardening |
| Resource type | GroupPolicy |
| Reads from | On-premises Active Directory |
What this checks and how to fix it
Section titled “What this checks and how to fix it”Test-MtAdGpoWmiFilterDetails
Section titled “Test-MtAdGpoWmiFilterDetails”Returns details of GPOs with a WMI filter configuration.
Why This Test Matters
Section titled “Why This Test Matters”- Detective control: detects GPOs with a non-empty WMI filter, which can influence policy scope per machine.
Control Type
Section titled “Control Type”Operational
Security Recommendation
Section titled “Security Recommendation”- Review WMI-filtered GPOs to ensure filters are intentional and correctly scoped.
How the Test Works
Section titled “How the Test Works”- Retrieves GPO state, filters for Gpos with a non-empty WmiFilter, and renders a Markdown table with details.
Related Tests
Section titled “Related Tests”Test-MtAdGpoWmiFilterCount.
Related links
Section titled “Related links”- Microsoft Learn - Group Policy management
- ANSSI checkpoint: https://www.anssi.gouv.fr/
Mito check. Author: soulemike. Open-source licences.
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