Suspicious Read Contents From Stdin Through Cmd.EXE (via process_creation)

title: Suspicious Read Contents From Stdin Through Cmd.EXE (via process_creation)
id: 7d876695-961c-56fd-ad8b-033d816902a6
status: stable
description: This rule detects the use of "<" to read and potentially execute a file via cmd.exe
references:
    - https://attack.mitre.org/techniques/T1059/003/
    - https://github.com/redcanaryco/atomic-red-team/blob/40b77d63808dd4f4eafb83949805636735a1fd15/atomics/T1059.003/T1059.003.md
    - https://web.archive.org/web/20220306121156/https://www.x86matthew.com/view_post?id=ntdll_pipe
author: Huntrule Team
date: 2026-06-01
tags:
    - attack.execution
    - attack.t1059.003
logsource:
    category: process_creation
    product: windows
detection:
    selection_cmd:
        - OriginalFileName: 'Cmd.Exe'
        - Image|endswith: '\cmd.exe'
    selection_cli:
        CommandLine|contains: '<'
    condition: all of selection_*
falsepositives:
    - Unknown
level: medium