DET0055: Detection strategy for Group Policy Discovery on Windows
DET0055 is a MITRE detection strategy object for identifying Group Policy Discovery related to ATT&CK technique T1615. In business terms, this matters beca...
Analyst context for executives and security teams
DET0055 is a MITRE detection strategy object for identifying Group Policy Discovery related to ATT&CK technique T1615. In business terms, this matters because Group Policy is a core control plane for Windows Active Directory environments: it can reveal security settings, privilege boundaries, and domain patterns that an adversary may use to plan escalation or blend into normal operations. Even though MITRE does not provide detection logic for this object, the relationship to T1615 gives defenders a clear validation target: can the organization see suspicious discovery of Group Policy and SYSVOL-related information?
Executive priority
Security leaders should treat this as an Active Directory visibility and readiness question, not just a detection rule. Ask whether SOC and incident response teams can prove they collect enough Windows, identity, and file-share evidence to investigate unusual Group Policy discovery. This supports operational resilience, privileged access governance, compliance evidence around directory controls, and faster incident decisions when AD reconnaissance is suspected.
Technical view
The object itself has no official description or detection text, but it detects T1615 Group Policy Discovery, a Windows discovery behavior involving attempts to learn Group Policy settings, security measures, privilege escalation paths, and domain object patterns. SOC and detection engineering teams should validate coverage in Windows/AD environments where Group Policy and SYSVOL are used. Prioritize evidence that can show who accessed Group Policy-related data, from where, using what process or account context, and whether the activity is expected for that role or host.
Likely telemetry
- Windows endpoint process execution and command-line telemetry where available
- Windows security events tied to user, computer, and domain authentication context
- Directory service activity relevant to Active Directory and Group Policy enumeration
- File share or object access telemetry for Group Policy-related SYSVOL paths where auditing is enabled
- EDR or managed detection telemetry linking process, user, host, and network activity
Detection direction
- Validate whether telemetry can distinguish normal administrative Group Policy review from unusual discovery by non-administrative users, unexpected hosts, service accounts, or newly observed processes.
- Correlate Group Policy/SYSVOL access with identity context, host role, and recent authentication activity to reduce false positives from legitimate IT operations.
- Look for discovery activity that appears outside standard administration workflows or maintenance windows, especially when paired with other discovery behavior in the same investigation.
- Confirm that detections do not rely only on endpoint command lines; Group Policy information may also be observed through directory and file-share access patterns.
- Use the relationship to T1615 as the analytic anchor, because the DET0055 object does not include MITRE-provided detection logic or platform metadata of its own.
Mitigation priorities
- Establish ownership and normal-use baselines for Group Policy administration in Windows Active Directory environments.
- Limit Group Policy management privileges to appropriate administrative roles and review service account use where applicable.
- Enable and retain the Windows, AD, and file-share audit data needed to investigate Group Policy discovery, balancing visibility with event volume.
- Document expected administrative workflows so SOC teams can separate routine Group Policy operations from suspicious discovery during triage.
- Include Group Policy discovery visibility in AD security assessments, incident response playbooks, and compliance evidence reviews.
Analyst notes and limits
The most important decision value is whether the organization can observe reconnaissance against a sensitive AD control plane before it becomes privilege escalation or policy manipulation. This take is based on DET0055 and its relationship to T1615 only; MITRE supplied no official detection text for DET0055.
Platforms and tactics are not specified on the DET0055 object itself. Windows and discovery context come from the related T1615 technique. Local environment details, enabled auditing, EDR coverage, AD architecture, and normal administrator behavior are required to turn this into validated detection coverage.
Detection strategy for Group Policy Discovery on Windows
No official description is available in the imported ATT&CK source object.
How security teams should use this page
Treat this object as behavior context, not an attribution claim. Validate the related groups, software, data sources, and mitigations against official ATT&CK relationships and your own telemetry before making control-coverage decisions.
Techniques used
This mirrors the MITRE pattern of making group, software, campaign, and technique relationships scannable. Relationship notes come from mirrored ATT&CK relationship text when available.
| Domain | ID | Name | Relationship / procedure |
|---|---|---|---|
| Enterprise | T1615 | Group Policy Discovery | This object detects Group Policy Discovery. |
All related ATT&CK context
Object version and sync metadata
The fields below describe the current mirrored snapshot. When Glexia retains multiple ATT&CK source imports, you can open the table to compare the same object across releases (hashes and MITRE timestamps). For MITRE’s own release notes and roadmap, see ATT&CK resources — Updates .
Imported snapshots across ATT&CK releases (1)
| Release | Bundle imported | Object version | Modified | Status | Raw hash |
|---|---|---|---|---|---|
| 19.1 | 1.0 | Current bundle | 1f38869f575f… |
Mirrored ATT&CK source object
The raw object is retained through the mirrored ATT&CK source bundle and object hash. The raw endpoint returns the exact object from the mirrored bundle when available.
External references and citations
MITRE external references are preserved separately from Glexia analysis so citations remain traceable to their original source records.
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mitre-attack DET0055Open source URL
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