IMPORTANT: No additional bug fixes or documentation updates will be released for this version. For the latest information, see the current release documentation.
« Incoming DCOM Lateral Movement with MMC Incoming Execution via PowerShell Remoting »
Elastic Docs ›Elastic Security Solution [8.4] ›Detections and alerts ›Prebuilt rule reference

Incoming DCOM Lateral Movement with ShellBrowserWindow or ShellWindows

edit

Incoming DCOM Lateral Movement with ShellBrowserWindow or ShellWindows

edit

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-endpoint.events.*
  • logs-windows.*

Severity: medium

Risk score: 47

Runs every: 5 minutes

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

Maximum alerts per execution: 100

References:

Tags:

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

Version: 6 (version history)

Added (Elastic Stack release): 7.11.0

Last modified (Elastic Stack release): 8.4.0

Rule authors: Elastic

Rule license: Elastic License v2

Rule query

edit
sequence by host.id with maxspan=5s [network where event.type ==
"start" and process.name : "explorer.exe" and network.direction :
("incoming", "ingress") and network.transport == "tcp" and
source.port > 49151 and destination.port > 49151 and source.ip !=
"127.0.0.1" and source.ip != "::1" ] by process.entity_id [process
where event.type in ("start", "process_started") and
process.parent.name : "explorer.exe" ] by process.parent.entity_id

Threat mapping

edit

Framework: MITRE ATT&CKTM

Rule version history

edit
Version 6 (8.4.0 release)
  • Formatting only
Version 5 (8.0.0 release)

  • Updated query, changed from:

    sequence by host.id with maxspan=5s [network where event.type ==
"start" and process.name : "explorer.exe" and network.direction :
("incoming", "ingress") and network.transport == "tcp" and
source.port > 49151 and destination.port > 49151 and not
source.address in ("127.0.0.1", "::1") ] by process.entity_id
[process where event.type in ("start", "process_started") and
process.parent.name : "explorer.exe" ] by process.parent.entity_id
Version 4 (7.16.0 release)

  • Updated query, changed from:

    sequence by host.id with maxspan=5s [network where event.type ==
"start" and process.name : "explorer.exe" and network.direction ==
"incoming" and network.transport == "tcp" and source.port > 49151
and destination.port > 49151 and not source.address in ("127.0.0.1",
"::1") ] by process.entity_id [process where event.type in ("start",
"process_started") and process.parent.name : "explorer.exe" ] by
process.parent.entity_id
Version 2 (7.12.0 release)
  • Formatting only
« Incoming DCOM Lateral Movement with MMC Incoming Execution via PowerShell Remoting »