Sigma rule: System Network Discovery - macOS

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-504fe971e0b6, updated 2024-08-29T00:00:00.000Z.

Rule

Title
System Network Discovery - macOS
Status
test
Level
informational
Author
remotephone, oscd.community
Date
2020-10-06
Modified
2024-08-29
File
rules/macos/process_creation/proc_creation_macos_susp_system_network_discovery.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects enumeration of local network configuration

Log source

product
macos
category
process_creation

Detection

selection_1:
    Image|endswith:
        - '/arp'
        - '/ifconfig'
        - '/netstat'
        - '/networksetup'
        - '/socketfilterfw'
selection_2:
    Image: '/usr/bin/defaults'
    CommandLine|contains|all:
        - '/Library/Preferences/com.apple.alf'
        - 'read'
filter_main_wifivelocityd:
    ParentImage|endswith: '/wifivelocityd'
condition: 1 of selection_* and not 1 of filter_main_*

False positives (as the rule lists them)

  • Legitimate administration activities

Tags

  • attack.discovery
  • attack.t1016

MITRE ATT&CK ids this rule names

References

Read on 2026-11-03T00:58:21.399Z under licence sigma-drl-1.1@d5f4c36a from https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/macos/process_creation/proc_creation_macos_susp_system_network_discovery.yml

Sources and licences

  • SigmaHQ

    "System Network Discovery - macOS" by remotephone, oscd.community (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/macos/process_creation/proc_creation_macos_susp_system_network_discovery.yml.
    Licensed under the Detection Rule License (DRL) 1.1: https://github.com/SigmaHQ/Detection-Rule-License

    Detection Rule License (DRL) 1.1

Cite this page

Dragons Eye Ransomware Tracker, "Sigma rule: System Network Discovery - macOS",
entity page, dataset version ref-504fe971e0b6, updated 2024-08-29T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/58800443-f9fc-4d55-ae0c-98a3966dfb97 (accessed 2026-11-03).
Underlying source: SigmaHQ rule 58800443-f9fc-4d55-ae0c-98a3966dfb97, commit ccbb0369507f796db0b0ae6854c8a2be471b9d84.

Pages change. The dataset version identifies the data, but no archive of old versions is kept, so this citation cannot be replayed later.