Suspicious Renamed PowerShell Binary Execution (via process_creation)

ATT&CK techniques

Defense Evasion

Recon
Resource Dev
Initial Access
Execution
Persistence
Priv Esc
Defense Evasion
- T1036.003Rename Legitimate Utilities
Cred Access
Discovery
Lateral Movement
Collection
C2
Exfiltration
Impact

What it detects

This rule detects a process whose original filename is PowerShell but whose image name is not powershell.exe or powershell_ise.exe. BatLoader copies powershell.exe to a temp folder under a decoy name such as Bill.bat.exe to evade image-based detection.

Reporting behind it

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Suspicious Renamed PowerShell Binary Execution (via process_creation)

Pivot detection · T1036.003 · 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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