Possible WebDav Put Request (via http)

title: Possible WebDav Put Request (via http)
id: c0963cf3-1f12-556f-a6d5-71f906b602bf
status: stable
description: This rule detects a General detection for WebDav user-agent being used to PUT files on a WebDav network share. This could be an indicator of exfiltration.
references:
    - https://attack.mitre.org/techniques/T1048/003/
    - https://github.com/OTRF/detection-hackathon-apt29/issues/17
author: Huntrule Team
date: 2026-03-15
tags:
    - attack.exfiltration
    - attack.t1048.003
logsource:
    product: zeek
    service: http
detection:
    selection:
        user_agent|contains: 'WebDAV'
        method: 'PUT'
    filter:
        id.resp_h|cidr:
            - '10.0.0.0/8'
            - '127.0.0.0/8'
            - '172.16.0.0/12'
            - '192.168.0.0/16'
            - '169.254.0.0/16'
    condition: selection and not filter
falsepositives:
    - Unknown
level: low