Sigma Rule Library

Automated Collection Command PowerShell

Once established within a system or network, an adversary may use automated techniques for collecting internal data.

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Detection logic

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*

Raw YAML

title: Automated Collection Command PowerShell
id: c1dda054-d638-4c16-afc8-53e007f3fbc5
status: test
description: Once established within a system or network, an adversary may use automated techniques for collecting internal data.
references:
    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1119/T1119.md
author: frack113
date: 2021-07-28
modified: 2022-12-25
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

False positives

  • Unknown

References

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