Suspicious Local Network Connection Initiated By Script Interpreter (via network_connection)

title: Suspicious Local Network Connection Initiated By Script Interpreter (via network_connection)
id: 0c98ec88-6ba4-5e83-abcf-75c3f50e6b38
status: stable
description: This rule detects a script interpreter (Wscript/Cscript) initiating a local network connection to download or execute a script hosted on a shared folder.
references:
    - https://attack.mitre.org/techniques/T1105/
    - https://github.com/redcanaryco/atomic-red-team/blob/28d190330fe44de6ff4767fc400cc10fa7cd6540/atomics/T1105/T1105.md
author: Huntrule Team
date: 2026-03-14
tags:
    - attack.command-and-control
    - attack.t1105
logsource:
    category: network_connection
    product: windows
detection:
    selection:
        Initiated: 'true'
        Image|endswith:
            - '\wscript.exe'
            - '\cscript.exe'
        DestinationIp|cidr:
            - '127.0.0.0/8'
            - '10.0.0.0/8'
            - '172.16.0.0/12'
            - '192.168.0.0/16'
            - '169.254.0.0/16'
            - '::1/128'
            - 'fe80::/10'
            - 'fc00::/7'
    condition: selection
falsepositives:
    - Unknown
level: medium