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:

  • logs-endpoint.events.process-*
  • endgame-*
  • logs-sentinel_one_cloud_funnel.*

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:

  • Domain: Endpoint
  • OS: Windows
  • Use Case: Threat Detection
  • Tactic: Execution
  • Data Source: Elastic Endgame
  • Data Source: Elastic Defend
  • Data Source: SentinelOne

Version: 210

Rule authors:

  • Elastic

Rule license: Elastic License v2

Rule query

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process where host.os.type == "windows" and event.type == "start" 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",
        "SolarWinds.BusinessLayerHost.exe",
        "SolarWinds.BusinessLayerHostx64.exe",
        "SolarWinds.Topology.Calculator.exe",
        "SolarWinds.Topology.Calculatorx64.exe",
        "SolarWinds.APM.RealTimeProcessPoller.exe") and
    process.code_signature.trusted == true
 ) and
 not process.executable : ("?:\\Windows\\SysWOW64\\ARP.EXE", "?:\\Windows\\SysWOW64\\lodctr.exe", "?:\\Windows\\SysWOW64\\unlodctr.exe")

Framework: MITRE ATT&CKTM