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Elastic Docs ›Elastic Security Solution [8.16] ›Downloadable rule update v1.0.2

Suspicious SolarWinds Child Process

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Suspicious SolarWinds Child Process

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A suspicious SolarWinds child process was detected, which may indicate an attempt to execute malicious programs.

Rule type: eql

Rule indices:

  • winlogbeat-*
  • logs-endpoint.events.*
  • 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:

Tags:

  • Elastic
  • Host
  • Windows
  • Threat Detection
  • Execution

Version: 4

Rule authors:

  • Elastic

Rule license: Elastic License v2

Investigation guide

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## Config

If enabling an EQL rule on a non-elastic-agent index (such as beats) for versions <8.2, events will not define `event.ingested` and default fallback for EQL rules was not added until 8.2, so you will need to add a custom pipeline to populate `event.ingested` to @timestamp for this rule to work.

Rule query

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process where event.type in ("start", "process_started") and
 process.parent.name: ("SolarWinds.BusinessLayerHost.exe", "SolarWinds.BusinessLayerHostx64.exe") and
 not process.name : (
        "APMServiceControl*.exe",
        "ExportToPDFCmd*.Exe",
        "SolarWinds.Credentials.Orion.WebApi*.exe",
        "SolarWinds.Orion.Topology.Calculator*.exe",
        "Database-Maint.exe",
        "SolarWinds.Orion.ApiPoller.Service.exe",
        "WerFault.exe",
        "WerMgr.exe")

Framework: MITRE ATT&CKTM

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