Suspicious PowerShell Spawned by VBScript for RMM Delivery

PremiumReviewedSigma · Medium · v1
Product
windows
Category
process_creation
Author
HuntRule
Published
2026-09-06
Updated
2026-09-06

ATT&CK techniques

Execution → C2
  1. Recon

  2. Resource Dev

  3. Initial Access

  4. Persistence

  5. Priv Esc

  6. Defense Evasion

  7. Cred Access

  8. Discovery

  9. Lateral Movement

  10. Collection

  11. Exfiltration

  12. Impact

What it detects

This rule detects wscript.exe spawning a PowerShell process that skips the user profile, the delivery chain of the 46-country RMM phishing campaign that fetches and installs remote-access tools. A script-host parent driving profile-skipping PowerShell is characteristic of malicious RMM deployment.

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Pivot detection · T1219 · 9 related

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