Malicious UAC Bypass via Eventvwr Execution Hijack via Process Creation

ATT&CK techniques

Priv Esc → Defense Evasion

Recon
Resource Dev
Initial Access
Execution
Persistence
Priv Esc
- T1548.002Bypass User Account Control
Defense Evasion
- T1548.002Bypass User Account Control
Cred Access
Discovery
Lateral Movement
Collection
C2
Exfiltration
Impact

What it detects

This rule detects the Event Viewer binary spawning a child process other than the Microsoft Management Console which indicates a registry hijack UAC bypass abusing the eventvwr auto-elevation to run an attacker controlled elevated process. Filtering the expected mmc child keeps focus on the abusive execution.

Reporting behind it

Related detections9 linkedT1548.002 — drag to rearrange

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Malicious ms-settings DelegateExecute UAC Bypass Registry Change

Malicious User Account Control Bypass via Auto-Elevating Binary Hijack (via process_creation)

Malicious UAC Bypass via Eventvwr Execution Hijack via Process Creation

Pivot detection · T1548.002 · 9 related

Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.

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