Suspicious ClickFix Command Execution via RunMRU Registry Key

ATT&CK techniques

Execution

Recon
Resource Dev
Initial Access
Execution
Persistence
Priv Esc
Defense Evasion
Cred Access
Discovery
Lateral Movement
Collection
C2
Exfiltration
Impact

What it detects

This rule detects commands written to the Explorer RunMRU registry key that reference LOLBins such as mshta powershell curl or cscript. Adversaries running the ClickFix social engineering attack trick users into pasting attacker-supplied commands into the Windows Run dialog which persists them in RunMRU. Catching this reveals the initial user-executed loader stage before the second-stage payload runs.

Reporting behind it

Related detections9 linkedT1059.001 — drag to rearrange

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Suspicious ClickFix Command Execution via RunMRU Registry Key

Pivot detection · T1059.001 · 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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