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Detects certutil.exe being used to download files from remote URLs via the -urlcache or -verifyctl flags. CertUtil is a signed Windows binary (LOLBin) that attackers abuse to download payloads while bypassing application whitelisting and network controls. Tune AllowlistedDomains to match your PKI/CA infrastructure.
| Attribute | Value |
|---|---|
| Type | Analytic Rule |
| Solution | Endpoint Threat Protection Essentials |
| ID | 4a9d3c2e-7f1b-4e58-9a0c-2d5b8e3f1a7c |
| Severity | High |
| Status | Available |
| Kind | Scheduled |
| Tactics | CommandAndControl, DefenseEvasion |
| Techniques | T1105, T1218, T1140 |
| Required Connectors | MicrosoftThreatProtection, SecurityEvents |
| Source | View on GitHub |
This content item queries data from the following tables:
| Table | Selection Criteria | Transformations | Ingestion API | Lake-Only |
|---|---|---|---|---|
DeviceProcessEvents |
✓ | ✗ | ✓ | |
SecurityEvent |
EventID == "4688" |
✓ | ✓ | ✓ |
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