Malicious Remote Desktop Enablement via Netsh

PremiumReviewedSigma · High · v1
Product
windows
Category
process_creation
Author
HuntRule
Published
2026-06-18
Updated
2026-08-28

ATT&CK techniques

Lateral Movement
  1. Recon

  2. Resource Dev

  3. Initial Access

  4. Execution

  5. Persistence

  6. Priv Esc

  7. Defense Evasion

  8. Cred Access

  9. Discovery

  10. Collection

  11. C2

  12. Exfiltration

  13. Impact

What it detects

This rule detects netsh enabling the Remote Desktop service in the firewall to open inbound RDP for lateral movement. This was observed during Obscura ransomware deployment. Opening RDP on hosts that normally block it extends the attacker foothold across the network.

Related detections9 linkedT1021.001 — drag to rearrange
Suspicious Firewall Rule Allowing SSH via New-NetFirewallRule During Ransomware
Suspicious Firewall Rule Added to Open RDP Port 3389 via netsh
Suspicious Remote Desktop Enablement via Registry fDenyTSConnections and Firewall Rule (via process_creation)
Suspicious RDP Connection File Opened From Download or Mail Directory via Process Creation
Suspicious iptables Port Redirect Rule via GRIMBOLT
Malicious RDP Tunneling via ngrok (via process_creation)
Suspicious Remote Desktop Enablement via Registry By Ransomware
Suspicious Remote Desktop Enablement via netsh Firewall Rule (via process_creation)
Suspicious RDP Enablement via netsh Firewall Rule
Malicious Remote Desktop Enablement via Netsh
Pivot detection · T1021.001 · 9 related

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