Suspicious GetTypeFromCLSID ShellExecute (via ps_script)

title: Suspicious GetTypeFromCLSID ShellExecute (via ps_script)
id: 956ea66d-8728-5788-9c87-7d0ca6ee71d1
status: stable
description: This rule detects anomalous Powershell code that execute COM Objects
references:
    - https://attack.mitre.org/techniques/T1546/015/
    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1546.015/T1546.015.md#atomic-test-2---powershell-execute-com-object
author: Huntrule Team
date: 2026-03-15
tags:
    - attack.privilege-escalation
    - attack.persistence
    - attack.t1546.015
logsource:
    product: windows
    category: ps_script
    definition: 'Requirements: Script Block Logging must be enabled'
detection:
    selection:
        ScriptBlockText|contains|all:
            - '::GetTypeFromCLSID('
            - '.ShellExecute('
    condition: selection
falsepositives:
    - Unknown
level: medium