Unusual Windows Service
editUnusual Windows Service
editA machine learning job detected an unusual Windows service, This can indicate execution of unauthorized services, malware, or persistence mechanisms. In corporate Windows environments, hosts do not generally run many rare or unique services. This job helps detect malware and persistence mechanisms that have been installed and run as a service.
Rule type: machine_learning
Machine learning job: v3_windows_anomalous_service
Machine learning anomaly threshold: 50
Severity: low
Risk score: 21
Runs every: 15 minutes
Searches indices from: now-45m (Date Math format, see also Additional look-back time)
Maximum alerts per execution: 100
References:
Tags:
- Elastic
- Host
- Windows
- Threat Detection
- ML
- Persistence
Version: 100 (version history)
Added (Elastic Stack release): 7.7.0
Last modified (Elastic Stack release): 8.5.0
Rule authors: Elastic
Rule license: Elastic License v2
Potential false positives
editA newly installed program or one that runs rarely as part of a monthly or quarterly workflow could trigger this alert. ==== Threat mapping
Framework: MITRE ATT&CKTM
-
Tactic:
- Name: Persistence
- ID: TA0003
- Reference URL: https://attack.mitre.org/tactics/TA0003/
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Technique:
- Name: Create or Modify System Process
- ID: T1543
- Reference URL: https://attack.mitre.org/techniques/T1543/
Rule version history
edit- Version 100 (8.5.0 release)
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- Formatting only
- Version 6 (8.4.0 release)
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- Formatting only
- Version 5 (8.3.0 release)
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- Formatting only
- Version 4 (7.12.0 release)
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- Formatting only
- Version 3 (7.10.0 release)
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- Formatting only
- Version 2 (7.9.0 release)
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- Formatting only