Suspicious Firewall Rule Update Through Netsh.EXE (via process_creation)

title: Suspicious Firewall Rule Update Through Netsh.EXE (via process_creation)
id: cf31eabf-d8f2-57a3-8147-12bdac547af0
status: stable
description: This rule detects execution of netsh with the "advfirewall" and the "set" option to set new values for properties of a existing rule
references:
    - https://ss64.com/nt/netsh.html
author: Huntrule Team
date: 2026-05-31
tags:
    - attack.defense-impairment
    - attack.defense-evasion
    - attack.t1562.004
logsource:
    category: process_creation
    product: windows
detection:
    selection_img:
        - Image|endswith: '\netsh.exe'
        - OriginalFileName: 'netsh.exe'
    selection_cli:
        CommandLine|contains|all:
            - ' firewall '
            - ' set '
    condition: all of selection_*
falsepositives:
    - Unknown
level: medium