SUNBURST Command and Control Activity

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The malware known as SUNBURST targets the SolarWind’s Orion business software for command and control. This rule detects post-exploitation command and control activity of the SUNBURST backdoor.

Rule type: query

Rule indices:

  • logs-endpoint.events.*

Severity: high

Risk score: 73

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
  • Command and Control

Version: 3 (version history)

Added (Elastic Stack release): 7.11.0

Last modified (Elastic Stack release): 7.12.0

Rule authors: Elastic

Rule license: Elastic License v2

Investigation guide

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The SUNBURST malware attempts to hide within the Orion Improvement Program (OIP) network traffic. As this rule detects post-exploitation network traffic, investigations into this should be prioritized.

Rule query

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event.category:network and event.type:protocol and
network.protocol:http and process.name:( ConfigurationWizard.exe or
NetFlowService.exe or NetflowDatabaseMaintenance.exe or
SolarWinds.Administration.exe or SolarWinds.BusinessLayerHost.exe or
SolarWinds.BusinessLayerHostx64.exe or
SolarWinds.Collector.Service.exe or SolarwindsDiagnostics.exe) and
http.request.body.content:(( (*/swip/Upload.ashx* and (POST* or PUT*))
or (*/swip/SystemDescription* and (GET* or HEAD*)) or (*/swip/Events*
and (GET* or HEAD*))) and not *solarwinds.com*)

Threat mapping

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Framework: MITRE ATT&CKTM

Rule version history

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Version 3 (7.12.0 release)
  • Formatting only
Version 2 (7.11.2 release)
  • Formatting only