Windows WebDAV User Agent

Description

Detects WebDav DownloadCradle

Query · sigma

selection:
  c-useragent|startswith: Microsoft-WebDAV-MiniRedir/
  cs-method: GET
condition: selection

Known false positives

  • Administrative scripts that download files from the Internet
  • Administrative scripts that retrieve certain website contents
  • Legitimate WebDAV administration
Raw source Windows WebDAV User Agent · Sigma
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Published by SigmaHQ/sigma ↗, licensed under Detection Rule License 1.1 ↗. Reproduced here unmodified. 
title: Windows WebDAV User Agent
id: e09aed7a-09e0-4c9a-90dd-f0d52507347e
status: test
description: Detects WebDav DownloadCradle
references:
    - https://mgreen27.github.io/posts/2018/04/02/DownloadCradle.html
author: Florian Roth (Nextron Systems)
date: 2018-04-06
modified: 2021-11-27
tags:
    - attack.command-and-control
    - attack.t1071.001
logsource:
    category: proxy
detection:
    selection:
        c-useragent|startswith: 'Microsoft-WebDAV-MiniRedir/'
        cs-method: 'GET'
    condition: selection
falsepositives:
    - Administrative scripts that download files from the Internet
    - Administrative scripts that retrieve certain website contents
    - Legitimate WebDAV administration
level: high

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