Suspicious Script Host Spawning Hidden PowerShell (via process_creation)

ATT&CK techniques

Execution → Defense Evasion

Recon
Resource Dev
Initial Access
Execution
- T1059.001PowerShell
Persistence
Priv Esc
Defense Evasion
- T1564.003Hidden Window
Cred Access
Discovery
Lateral Movement
Collection
C2
Exfiltration
Impact

What it detects

This rule detects wscript or cscript launching PowerShell with a hidden window. This layered email loader uses WMI-spawned hidden PowerShell to run its next stage without a visible console.

Reporting behind it

Related detections9 linkedT1059.001 — drag to rearrange

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Suspicious PowerShell Invoke-Expression with Replace Obfuscation

Suspicious PowerShell Archive Extraction to AppData Roaming

Malicious PowerShell Spawned by Masqueraded NVIDIA GeForce Experience Binary

Suspicious PowerShell Hidden Unrestricted Execution via ClickFix

Suspicious PowerShell Spawned by cscript in Script Chain

Suspicious Script Interpreter Spawned by Explorer via ClickFix Run Dialog (via process_creation)

Suspicious Script Host Spawning Hidden PowerShell (via process_creation)

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.

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