Suspicious Registry Run Key Referencing Public Libraries Folder (via registry_set)

ATT&CK techniques

Persistence → Priv Esc

Recon
Resource Dev
Initial Access
Execution
Persistence
- T1547.001Registry Run Keys / Startup Folder
Priv Esc
- T1547.001Registry Run Keys / Startup Folder
Defense Evasion
Cred Access
Discovery
Lateral Movement
Collection
C2
Exfiltration
Impact

What it detects

This rule detects a registry Run key value that points to a file located in the Public Libraries directory. The MULTI#STORM campaign created OneDrive Update Run keys referencing url files staged there for persistence.

Reporting behind it

Related detections9 linkedT1547.001 — drag to rearrange

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Suspicious Run Key Persistence Pointing to WScript via PhantomVAI Loader (via registry_set)

Suspicious Run Key Persistence Named Updater

Suspicious Run Key Persistence Executing VBScript as WindowsSecurityCheck

Suspicious RunOnce Persistence Pointing to User AppData

Malicious FalseFont Backdoor Run Key Persistence from AppData (via registry_set)

Suspicious Registry Run Key Referencing Public Libraries Folder (via registry_set)

Pivot detection · T1547.001 · 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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