Suspicious Script Host Spawning PowerShell via Process Creation

PremiumReviewedSigma · Medium · v1
Product
windows
Category
process_creation
Author
HuntRule
Published
2026-09-17
Updated
2026-09-17

ATT&CK techniques

Execution
  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. C2

  12. Exfiltration

  13. Impact

What it detects

This rule detects the Windows script host wscript or cscript launching PowerShell which mirrors the PIKABOT delivery chain where an obfuscated JavaScript file spawns PowerShell to download the loader. This parent child relationship is a frequent indicator of scripted phishing payloads executing.

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Pivot detection · T1059.001 · 9 related

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