IMPORTANT: No additional bug fixes or documentation updates
will be released for this version. For the latest information, see the
current release documentation.
Potential LSA Authentication Package Abuse
editPotential LSA Authentication Package Abuse
editAdversaries 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.registry-*
- endgame-*
- logs-m365_defender.event-*
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:
- Domain: Endpoint
- OS: Windows
- Use Case: Threat Detection
- Tactic: Privilege Escalation
- Data Source: Elastic Endgame
- Data Source: Elastic Defend
- Data Source: Microsoft Defender for Endpoint
Version: 106
Rule authors:
- Elastic
Rule license: Elastic License v2
Rule query
editregistry where host.os.type == "windows" and event.type == "change" and
registry.path : (
"HKLM\\SYSTEM\\*ControlSet*\\Control\\Lsa\\Authentication Packages",
"\\REGISTRY\\MACHINE\\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/