Suspicious SolarWinds Child Process | Elastic Security Solution [8.13]

› › ›

« Suspicious Service was Installed in the System Suspicious Startup Shell Folder Modification »

Suspicious SolarWinds Child Processedit

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-*

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

Version: 110

Rule authors:

Elastic

Rule license: Elastic License v2

Setupedit

Setup

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 version 8.2. Hence for this rule to work effectively, users will need to add a custom ingest pipeline to populate event.ingested to @timestamp. For more details on adding a custom ingest pipeline refer - https://www.elastic.co/guide/en/fleet/current/data-streams-pipeline-tutorial.html

Rule queryedit

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&CK^TM

Tactic:
- Name: Execution
- ID: TA0002
- Reference URL: https://attack.mitre.org/tactics/TA0002/
Technique:
- Name: Native API
- ID: T1106
- Reference URL: https://attack.mitre.org/techniques/T1106/
Tactic:
- Name: Initial Access
- ID: TA0001
- Reference URL: https://attack.mitre.org/tactics/TA0001/
Technique:
- Name: Supply Chain Compromise
- ID: T1195
- Reference URL: https://attack.mitre.org/techniques/T1195/
Sub-technique:
- Name: Compromise Software Supply Chain
- ID: T1195.002
- Reference URL: https://attack.mitre.org/techniques/T1195/002/

« Suspicious Service was Installed in the System Suspicious Startup Shell Folder Modification »