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Elastic Docs ›Elastic Security Solution [8.9] ›Detections and alerts ›Prebuilt rule reference

Suspicious Powershell Script

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Suspicious Powershell Script

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A machine learning job detected a PowerShell script with unusual data characteristics, such as obfuscation, that may be a characteristic of malicious PowerShell script text blocks.

Rule type: machine_learning

Rule indices: None

Severity: low

Risk score: 21

Runs every: 15m

Searches indices from: now-45m (Date Math format, see also Additional look-back time)

Maximum alerts per execution: 100

References:

Tags:

  • Domain: Endpoint
  • OS: Windows
  • Use Case: Threat Detection
  • Rule Type: ML
  • Rule Type: Machine Learning
  • Tactic: Execution

Version: 104

Rule authors:

  • Elastic

Rule license: Elastic License v2

Framework: MITRE ATT&CKTM

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