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LSASS Process Access via Windows API

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Identifies access attempts to the LSASS handle, which may indicate an attempt to dump credentials from LSASS memory.

Rule type: eql

Rule indices:

  • logs-endpoint.events.*

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:

  • Elastic
  • Host
  • Windows
  • Threat Detection
  • Credential Access

Version: 1

Rule authors:

  • Elastic

Rule license: Elastic License v2

Rule query

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api where host.os.type == "windows" and
 process.Ext.api.name in ("OpenProcess", "OpenThread") and Target.process.name : "lsass.exe"

Framework: MITRE ATT&CKTM

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