Incoming DCOM Lateral Movement with ShellBrowserWindow or ShellWindowsedit

Identifies use of Distributed Component Object Model (DCOM) to run commands from a remote host, which are launched via the ShellBrowserWindow or ShellWindows Application COM Object. This behavior may indicate an attacker abusing a DCOM application to stealthily move laterally.

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



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

Version: 3

Rule authors:

  • Elastic

Rule license: Elastic License v2

Rule queryedit

sequence by with maxspan=5s
 [network where event.type == "start" and : "explorer.exe" and
  network.direction == "incoming" and network.transport == "tcp" and
  source.port > 49151 and destination.port > 49151 and not source.address in ("", "::1")
 ] by process.entity_id
 [process where event.type in ("start", "process_started") and : "explorer.exe"
 ] by process.parent.entity_id