Suspicious External WebDAV Execution
Detects executables launched from external WebDAV shares using the WebDAV Explorer integration, commonly seen in initial access campaigns.
Detection logic
Detection requirements
- Platform
- Identity ProviderLinuxmacOSOffice SuitePRESaaSWindows
The rule states no platform. This is derived from the 2 ATT&CK techniques it maps to.
- Log source category
- proxy
Known benign triggers
- Unknown
MITRE ATT&CK mappings
0 exclusive techniques.This is coverage no other published rule has; it is not this rule's total technique count.
References
| Reference | Cited by |
|---|---|
| dear-territory-023.notion.site/WebDav-Share-Testing-e4950fa0c00149c3aa430d779b9b1d0f?pvs=4 | Only this detection cites it |
| micahbabinski.medium.com/search-ms-webdav-and-chill-99c5b23ac462 | 2 |
| www.trellix.com/en-us/about/newsroom/stories/research/beyond-file-search-a-novel-method.html | 2 |
| www.trendmicro.com/en_no/research/24/b/cve202421412-water-hydra-targets-traders-with-windows-defender-s.html | Only this detection cites it |
From the source
- At source
- Open at source
- Upstream identifier
- 1ae64f96-72b6-48b3-ad3d-e71dff6c6398
- Tagged by the source as
- attack.initial-accessattack.resource-development
Licence
- Published under
- Detection Rule License 1.1Read the licence
- Attribution
- Required
Authorship
- Written by
- Published
- Aug 26, 2026
- Version
- 1