Possible Security Software Enumeration - MacOs (via process_creation)

title: Possible Security Software Enumeration - MacOs (via process_creation)
id: 81de7d34-b4fe-5662-9e63-e8aa98221781
status: stable
description: This rule detects use of system utilities (only grep for now) to discover security software discovery
references:
    - https://attack.mitre.org/techniques/T1518/001/
    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1518.001/T1518.001.md
author: Huntrule Team
date: 2026-01-13
tags:
    - attack.discovery
    - attack.t1518.001
logsource:
    category: process_creation
    product: macos
detection:
    image:
        Image: '/usr/bin/grep'
    selection_cli_1:
        CommandLine|contains:
            - 'nessusd'
            - 'santad'
            - 'CbDefense'
            - 'falcond'
            - 'td-agent'
            - 'packetbeat'
            - 'filebeat'
            - 'auditbeat'
            - 'osqueryd'
            - 'BlockBlock'
            - 'LuLu'
    selection_cli_2:
        CommandLine|contains|all:
            - 'Little'
            - 'Snitch'
    condition: image and 1 of selection_cli_*
falsepositives:
    - Unknown
level: medium