Mounting Hidden or WebDav Remote Sharesedit

Identifies the use of net.exe to mount a WebDav or hidden remote share. This may indicate lateral movement or preparation for data exfiltration.

Rule type: eql

Rule indices:

  • winlogbeat-*
  • logs-windows.*

Severity: medium

Risk score: 47

Runs every: 5m

Searches indices from: now-9m (Date Math format, see also Additional look-back time)

Maximum alerts per execution: 100

References: None


  • Elastic
  • Host
  • Windows
  • Threat Detection
  • Lateral Movement

Version: 100

Rule authors:

  • Elastic

Rule license: Elastic License v2

Investigation guideedit

Rule queryedit

process where event.type in ("start", "process_started") and
 (( : "net.exe" or == "net.exe") or (( : "net1.exe" or == "net1.exe") and
 not : "net.exe")) and
 process.args : "use" and
 /* including hidden and webdav based online shares such as onedrive  */
 process.args : ("\\\\*\\*$*", "\\\\*@SSL\\*", "http*") and
 /* excluding shares deletion operation */
 not process.args : "/d*"