SigmaHQ/rules/linux/macos_network_service_scanning.yml

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YAML

title: MacOS Network Service Scanning
id: 84bae5d4-b518-4ae0-b331-6d4afd34d00f
status: experimental
description: Detects enumeration of local or remote network services.
author: Alejandro Ortuno, oscd.community
date: 2020/10/21
references:
- https://github.com/redcanaryco/atomic-red-team/blob/master/atomics/T1046/T1046.md
logsource:
category: process_creation
product: macos
detection:
selection_1:
Image|endswith:
- '/nc'
- '/netcat'
selection_2:
Image|endswith:
- '/nmap'
- '/telnet'
filter:
CommandLine|contains: 'l'
condition: (selection_1 and not filter) or selection_2
falsepositives:
- Legitimate administration activities
level: low
tags:
- attack.discovery
- attack.t1046