System Network Discovery - Linux

 Original Source: [Sigma source]
Title: System Network Discovery - Linux
Status: test
Description:Detects enumeration of local network configuration
References:
  -https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1016/T1016.md
Author: Ömer Günal and remotephone, oscd.community
Date: 2020-10-06
modified:2022-09-15
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:
  -Legitimate administration activities
Level: informational