Import PowerShell Modules From Suspicious Directories - ProcCreation (via process_creation)
This rule detects powershell scripts that import modules from anomalous directories
SigmamediumWindowsv1
sigma
import-powershell-modules-from-suspicious-directories-proccreation-via-process-creation
title: Import PowerShell Modules From Suspicious Directories - ProcCreation (via process_creation)
id: b0353239-27f2-5f89-9319-3fae25a82f89
status: stable
description: This rule detects powershell scripts that import modules from anomalous directories
references:
- https://attack.mitre.org/techniques/T1059/001/
- https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1003.002/T1003.002.md
author: Huntrule Team
date: 2026-02-12
tags:
- attack.execution
- attack.t1059.001
logsource:
category: process_creation
product: windows
detection:
selection:
CommandLine|contains:
- 'Import-Module "$Env:Temp\'
- Import-Module '$Env:Temp\
- 'Import-Module $Env:Temp\'
- 'Import-Module "$Env:Appdata\'
- Import-Module '$Env:Appdata\
- 'Import-Module $Env:Appdata\'
- 'Import-Module C:\Users\Public\'
- 'ipmo "$Env:Temp\'
- ipmo '$Env:Temp\
- 'ipmo $Env:Temp\'
- 'ipmo "$Env:Appdata\'
- ipmo '$Env:Appdata\
- 'ipmo $Env:Appdata\'
- 'ipmo C:\Users\Public\'
condition: selection
falsepositives:
- Unknown
level: medium
Known false positives
- Unknown
Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.