Uncommon file access over WebDAV

Cortex XDR Analytics Alert Reference by Alert name

Product

Cortex XDR

Last date published

2025-06-24

Activation Period	14 Days
Training Period	30 Days
Test Period	N/A (single event)
Deduplication Period	1 Day
Required Data	Requires: XDR Agent with eXtended Threat Hunting (XTH)
Detection Modules
Detector Tags
ATT&CK Tactic	Command and Control (TA0011)
ATT&CK Technique	Application Layer Protocol: Web Protocols (T1071.001)
Severity	Low

Uncommon file access over WebDAV.

Threat actors may use the WebDAV to blend in existing network traffic.

Investigate the process {actor_process_image_name} which tried to access the remote file.
Investigate the remote host {webdav_dst_from_file_event}.

ATT&CK Tactic	Command and Control (TA0011)
ATT&CK Technique	Application Layer Protocol: Web Protocols (T1071.001)
Severity	High

High-risk file read over WebDAV by a LOLBIN process.

Threat actors may use the WebDAV to blend in existing network traffic.

Investigate the process {actor_process_image_name} which tried to access the remote file.
Investigate the remote host {webdav_dst_from_file_event}.