Firewall Configuration Discovery Via Netsh.EXE — Sigma Rule

Rule metadata and linked tags

Author: frack113, Christopher Peacock '@securepeacock', SCYTHE '@scythe_io'. Source status: test; severity: low. Source dates: 2021-12-07 / 2025-10-18.

{
  "category": "process_creation",
  "product": "windows"
}

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: bd8e9861b0acd621c336576ac1553da61b0956105146b4052dcf1bd736070c4e

Detection logic

Original source YAML. Source-tag agreement is not proof of complete semantic coverage. This rule has not been compiled for a SIEM backend or validated against live telemetry here.

title: Firewall Configuration Discovery Via Netsh.EXE
id: 0e4164da-94bc-450d-a7be-a4b176179f1f
status: test
description: Adversaries may look for details about the network configuration and settings of systems they access or through information discovery of remote systems
references:
    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1016/T1016.md#atomic-test-2---list-windows-firewall-rules
    - https://ss64.com/nt/netsh.html
author: frack113, Christopher Peacock '@securepeacock', SCYTHE '@scythe_io'
date: 2021-12-07
modified: 2025-10-18
tags:
    - attack.discovery
    - attack.t1016
logsource:
    category: process_creation
    product: windows
detection:
    selection_img:
        - Image|endswith: '\netsh.exe'
        - OriginalFileName: 'netsh.exe'
    selection_cli:
        CommandLine|contains|all:
            - 'netsh'
            - 'show '
            - 'firewall '
        CommandLine|contains:
            - 'config '
            - 'state '
            - 'rule '
            - 'name=all'
    condition: all of selection_*
falsepositives:
    - Administrative activity
level: low

Original YAML and metadata in JSON

False positives

• Administrative activity

Source references

• https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1016/T1016.md#atomic-test-2---list-windows-firewall-rules
• https://ss64.com/nt/netsh.html