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

PremiumReviewedSigma · High · v1
Product
windows
Category
process_creation
Author
HuntRule
Published
2026-05-12
Updated
2026-08-28

ATT&CK techniques

Persistence → Priv Esc
  1. Recon

  2. Resource Dev

  3. Initial Access

  4. Execution

  5. Defense Evasion

  6. Cred Access

  7. Discovery

  8. Lateral Movement

  9. Collection

  10. C2

  11. Exfiltration

  12. 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.

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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.