Potential LSA Authentication Package Abuseedit

Adversaries can use the autostart mechanism provided by the Local Security Authority (LSA) authentication packages for privilege escalation or persistence by placing a reference to a binary in the Windows registry. The binary will then be executed by SYSTEM when the authentication packages are loaded.

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: None


  • Elastic
  • Host
  • Windows
  • Threat Detection
  • Privilege Escalation

Version: 2

Rule authors:

  • Elastic

Rule license: Elastic License v2

Rule queryedit

registry where event.type == "change" and
  registry.path : "HKLM\\SYSTEM\\*ControlSet*\\Control\\Lsa\\Authentication Packages" and
  /* exclude SYSTEM SID - look for changes by non-SYSTEM user */
  not user.id : "S-1-5-18"