Security Software Discovery - MacOs

 1title: Security Software Discovery - MacOs
 2id: 0ed75b9c-c73b-424d-9e7d-496cd565fbe0
 3status: test
 4description: Detects usage of system utilities (only grep for now) to discover security software discovery
 5references:
 6    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1518.001/T1518.001.md
 7author: Daniil Yugoslavskiy, oscd.community
 8date: 2020/10/19
 9modified: 2022/11/27
10tags:
11    - attack.discovery
12    - attack.t1518.001
13logsource:
14    category: process_creation
15    product: macos
16detection:
17    image:
18        Image: '/usr/bin/grep'
19    selection_cli_1:
20        CommandLine|contains:
21            - 'nessusd'        # nessus vulnerability scanner
22            - 'santad'         # google santa
23            - 'CbDefense'      # carbon black
24            - 'falcond'        # crowdstrike falcon
25            - 'td-agent'       # fluentd log shipper
26            - 'packetbeat'     # elastic network logger/shipper
27            - 'filebeat'       # elastic log file shipper
28            - 'auditbeat'      # elastic auditing agent/log shipper
29            - 'osqueryd'       # facebook osquery
30            - 'BlockBlock'     # Objective-See persistence locations watcher/blocker
31            - 'LuLu'           # Objective-See firewall management utility
32    selection_cli_2: # Objective Development Software firewall management utility
33        CommandLine|contains|all:
34            - 'Little'
35            - 'Snitch'
36    condition: image and 1 of selection_cli_*
37falsepositives:
38    - Legitimate activities
39level: medium