WebDAV drive mounted from net.exe over HTTPS

Synopsis

Field	Value
Activation Period	14 Days
Training Period	30 Days
Test Period	N/A (single event)
Deduplication Period	1 Day
Required Data	XDR Agent
ATT&CK Tactic	Exfiltration (TA0010)
ATT&CK Technique	Exfiltration Over Alternative Protocol (T1048)
Severity	Informational

Description

Attackers may mount a WebDAV drive over HTTPS to upload files to and download files from a compromised machine.

Attacker's Goals

Attackers might use WebDAV as a C&C or exfiltration channel to evade detection and firewall rules.

Investigative actions

• Check whether the initiator process is benign or normal for the host and/or user performing it.
• Check whether additional malicious commands were executed from the same process.