Possible System Network Enumeration - Linux (via process_creation)

This rule detects enumeration of local network configuration

SigmainformationalLinuxv1
sigma
title: Possible System Network Enumeration - Linux (via process_creation)
id: af89eced-5420-5acd-9fdd-176b1f74d9a1
status: stable
description: This rule detects enumeration of local network configuration
references:
    - https://attack.mitre.org/techniques/T1016/
    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1016/T1016.md
author: Huntrule Team
date: 2026-03-26
tags:
    - attack.discovery
    - attack.t1016
logsource:
    category: process_creation
    product: linux
detection:
    selection_img:
        Image|endswith:
            - '/firewall-cmd'
            - '/ufw'
            - '/iptables'
            - '/netstat'
            - '/ss'
            - '/ip'
            - '/ifconfig'
            - '/systemd-resolve'
            - '/route'
    selection_cli:
        CommandLine|contains: '/etc/resolv.conf'
    condition: 1 of selection_*
falsepositives:
    - Unknown
level: informational

Known false positives

  • Unknown

Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.