Sigma rule: Executable from Webdav

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-b7c09691952c, updated 2021-11-27T00:00:00.000Z.

Rule

Title
Executable from Webdav
Status
test
Level
medium
Author
SOC Prime, Adam Swan
Date
2020-05-01
Modified
2021-11-27
File
rules/network/zeek/zeek_http_executable_download_from_webdav.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects executable access via webdav6. Can be seen in APT 29 such as from the emulated APT 29 hackathon https://github.com/OTRF/detection-hackathon-apt29/

Log source

product
zeek
service
http

Detection

selection_webdav:
    - c-useragent|contains: 'WebDAV'
    - c-uri|contains: 'webdav'
selection_executable:
    - resp_mime_types|contains: 'dosexec'
    - c-uri|endswith: '.exe'
condition: selection_webdav and selection_executable

False positives (as the rule lists them)

  • Unknown

Tags

  • attack.command-and-control
  • attack.t1105

MITRE ATT&CK ids this rule names

References

Read on 2026-11-03T00:58:21.399Z under licence sigma-drl-1.1@d5f4c36a from https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/network/zeek/zeek_http_executable_download_from_webdav.yml

Sources and licences

  • SigmaHQ

    "Executable from Webdav" by SOC Prime, Adam Swan (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/network/zeek/zeek_http_executable_download_from_webdav.yml.
    Licensed under the Detection Rule License (DRL) 1.1: https://github.com/SigmaHQ/Detection-Rule-License

    Detection Rule License (DRL) 1.1

Cite this page

Dragons Eye Ransomware Tracker, "Sigma rule: Executable from Webdav",
entity page, dataset version ref-b7c09691952c, updated 2021-11-27T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/aac2fd97-bcba-491b-ad66-a6edf89c71bf (accessed 2026-11-03).
Underlying source: SigmaHQ rule aac2fd97-bcba-491b-ad66-a6edf89c71bf, commit ccbb0369507f796db0b0ae6854c8a2be471b9d84.

Pages change. The dataset version identifies the data, but no archive of old versions is kept, so this citation cannot be replayed later.