Detectionlowtest

MacOS Network Service Scanning

Detects enumeration of local or remote network services.

Convert In Phoenix Studio

Open this Sigma rule in the converter with the YAML preloaded and ready for backend selection.

Launch

Alejandro Ortuno, oscd.communityCreated Wed Oct 21Updated Sat Nov 2784bae5d4-b518-4ae0-b331-6d4afd34d00fmacos

Log Source

macOSProcess Creation

ProductmacOS← raw: macos

CategoryProcess Creation← raw: process_creation

Events generated when a new process is spawned on the system. Covers command-line arguments, parent/child relationships, and process metadata.

Detection Logic

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