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Logon Script (Windows) (T1037.001) is a MITRE ATT&CK technique associated with Persistence, Privilege Escalation . Adversaries may use Windows logon scripts automatically executed at logon initialization to establish persistence.
Logon Script (Windows) (T1037.001) is a MITRE ATT&CK technique associated with Persistence, Privilege Escalation. Adversaries may use Windows logon scripts automatically executed at logon initialization to establish persistence.
Attackers use Logon Script (Windows) because it provides a reliable way to advance their objective within the Persistence, Privilege Escalation tactic, often with a favorable balance of impact versus detectability on Windows environments. Defenders should assess this behavior in the context of the affected platform and adjacent activity rather than treating it as a standalone indicator.
Adversaries may use Windows logon scripts automatically executed at logon initialization to establish persistence. Windows allows logon scripts to be run whenever a specific user or group of users log into a system.(Citation: TechNet Logon Scripts) This is done via adding a path to a script to the <code>HKCU\Environment\UserInitMprLogonScript</code> Registry key.(Citation: Hexacorn Logon Scripts)
Adversaries may use these scripts to maintain persistence on a single system. Depending on the access configuration of the logon scripts, either local credentials or an administrator account may be necessary.
No universal command represents Logon Script (Windows). Capture the exact command line, arguments, parent process, account, host, and execution time from the investigated environment; do not operationalize unverified examples.
| Event ID | Log Channel | What It Indicates |
|---|---|---|
| Environment-specific | Relevant Windows channel(s) | Correlate authentication, process, object-access, and configuration events with the observed execution context. |
| Sysmon Event ID | Name | Why It's Relevant Here |
|---|---|---|
| Environment-specific | Validate configured telemetry | Use process, network, file, registry, DNS, or image-load telemetry only when relevant and enabled. |
No MITRE detection guidance published for this technique.
Relevant ATT&CK Data Sources: N/A
A universal Sigma rule would create unreliable results because this technique has no single guaranteed observable. Build detection logic from a documented behavior and supported data source, scope it to the affected platform, and validate it against benign administrative activity before deployment.
Start with the data sources named in the detection section. Scope searches by asset, identity, and time window; correlate the primary behavior with preceding access and subsequent actions. A portable query is intentionally not provided where the technique lacks a universal schema or observable.