Unusual Discovery Signal Alert with Unusual Process Executable

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Unusual Discovery Signal Alert with Unusual Process Executable

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This rule leverages Discovery building block rule alert data to alert on signals with unusual unique host.id, user.id and process.executable entries.

Rule type: new_terms

Rule indices:

  • .alerts-security.*

Severity: low

Risk score: 21

Runs every: 5m

Searches indices from: now-9m (Date Math format, see also Additional look-back time)

Maximum alerts per execution: 100

References: None

Tags:

  • Domain: Endpoint
  • OS: Windows
  • Use Case: Threat Detection
  • Tactic: Discovery
  • Rule Type: Higher-Order Rule

Version: 2

Rule authors:

  • Elastic

Rule license: Elastic License v2

Rule query

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host.os.type:windows and event.kind:signal and kibana.alert.rule.rule_id:"1d72d014-e2ab-4707-b056-9b96abe7b511"

Framework: MITRE ATT&CKTM