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
Tags:
- Elastic
- Host
- Windows
- Threat Detection
- Privilege Escalation
Version: 101
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"
Framework: MITRE ATT&CKTM
-
Tactic:
- Name: Privilege Escalation
- ID: TA0004
- Reference URL: https://attack.mitre.org/tactics/TA0004/
-
Technique:
- Name: Boot or Logon Autostart Execution
- ID: T1547
- Reference URL: https://attack.mitre.org/techniques/T1547/
-
Sub-technique:
- Name: Authentication Package
- ID: T1547.002
- Reference URL: https://attack.mitre.org/techniques/T1547/002/
-
Tactic:
- Name: Persistence
- ID: TA0003
- Reference URL: https://attack.mitre.org/tactics/TA0003/
-
Technique:
- Name: Boot or Logon Autostart Execution
- ID: T1547
- Reference URL: https://attack.mitre.org/techniques/T1547/
-
Sub-technique:
- Name: Authentication Package
- ID: T1547.002
- Reference URL: https://attack.mitre.org/techniques/T1547/002/