Security Software Discovery - MacOs

Title: Security Software Discovery - MacOs
Status: test
Description:Detects usage of system utilities (only grep for now) to discover security software discovery
References:
  -https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1518.001/T1518.001.md
Author: Daniil Yugoslavskiy, oscd.community
Date: 2020-10-19
modified:2022-11-27
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:
  -Legitimate activities
Level: medium