Suspicious GoGRPC Persistence via Realtek HD Audio Run Key (via process_creation)

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 PowerShell command that sets a CurrentVersion Run value named Realtek HD Audio pointing to an executable in the roaming AppData folder as used by the GoGRPC backdoor. Legitimate Realtek audio software does not persist from AppData.

Reporting behind it

Related detections9 linkedT1547.001 — drag to rearrange

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Suspicious RunOnce Persistence Pointing to User AppData

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

Malicious Registry Run Key Persistence via AHealthDB by Stately Taurus

Suspicious GoGRPC Persistence via Realtek HD Audio Run Key (via process_creation)

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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