Detectionmediumtest

Netsh Allow Group Policy on Microsoft Defender Firewall

Adversaries may modify system firewalls in order to bypass controls limiting network usage

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Launch

François HubautCreated Sun Jan 09Updated Tue Feb 14347906f3-e207-4d18-ae5b-a9403d6bcdefwindows

Log Source

WindowsProcess Creation

ProductWindows← raw: windows

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_img:
        - Image|endswith: '\netsh.exe'
        - OriginalFileName: 'netsh.exe'
    selection_cli:
        CommandLine|contains|all:
            - 'advfirewall'
            - 'firewall'
            - 'set'
            - 'rule'
            - 'group='
            - 'new'
            - 'enable=Yes'
    condition: all of selection_*