Suspicious Automated Collection Command PowerShell (via ps_script)

title: Suspicious Automated Collection Command PowerShell (via ps_script)
id: 092e142a-ed5c-5169-91b3-b8b9c0dfb39a
status: stable
description: This rule detects once established within a system or network, an adversary may use automated methods for collecting internal data.
references:
    - https://attack.mitre.org/techniques/T1119/
    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1119/T1119.md
author: Huntrule Team
date: 2026-01-20
tags:
    - attack.collection
    - attack.t1119
logsource:
    product: windows
    category: ps_script
    definition: 'Requirements: Script Block Logging must be enabled'
detection:
    selection_ext:
        ScriptBlockText|contains:
            - '.doc'
            - '.docx'
            - '.xls'
            - '.xlsx'
            - '.ppt'
            - '.pptx'
            - '.rtf'
            - '.pdf'
            - '.txt'
    selection_cmd:
        ScriptBlockText|contains|all:
            - 'Get-ChildItem'
            - ' -Recurse '
            - ' -Include '
    condition: all of selection*
falsepositives:
    - Unknown
level: medium