Execution of Potentially Suspicious WebDAV LNK (via process_creation)

title: Execution of Potentially Suspicious WebDAV LNK (via process_creation)
id: 6d6aecc0-927b-5368-97bd-6918734a6871
status: stable
description: This rule detects possible execution via LNK file accessed on a WebDAV server.
references:
    - https://attack.mitre.org/techniques/T1204/
    - https://attack.mitre.org/techniques/T1059/001/
    - https://www.trellix.com/en-us/about/newsroom/stories/research/beyond-file-search-a-novel-method.html
    - https://micahbabinski.medium.com/search-ms-webdav-and-chill-99c5b23ac462
author: Huntrule Team
date: 2026-02-06
tags:
    - attack.execution
    - attack.t1059.001
    - attack.t1204
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        ParentImage|endswith: '\explorer.exe'
        Image|endswith:
            - '\cmd.exe'
            - '\cscript.exe'
            - '\mshta.exe'
            - '\powershell.exe'
            - '\pwsh.exe'
            - '\wscript.exe'
        CommandLine|contains: '\DavWWWRoot\'
    condition: selection
falsepositives:
    - Unknown
level: medium