Installation of Security Support Provider

Identifies registry modifications related to the Windows Security Support Provider (SSP) configuration. Adversaries may abuse this to establish persistence in an environment.

Rule type: eql

Rule indices:

• winlogbeat-*
• logs-endpoint.events.*
• logs-windows.*

Severity: medium

Risk score: 47

Runs every: 5m

Searches indices from: now-9m (https://www.elastic.co/guide/en/elasticsearch/reference/current/common-options.html#date-math[Date Math format], see also Additional look-back time)

Maximum alerts per execution: 100

References: None

Tags:

• Elastic
• Host
• Windows
• Threat Detection
• Persistence

Version: 7

Rule authors:

• Elastic

Rule license: Elastic License v2

registry where
   registry.path : ("HKLM\\SYSTEM\\*ControlSet*\\Control\\Lsa\\Security Packages*",
                    "HKLM\\SYSTEM\\*ControlSet*\\Control\\Lsa\\OSConfig\\Security Packages*") and
   not process.executable : ("C:\\Windows\\System32\\msiexec.exe", "C:\\Windows\\SysWOW64\\msiexec.exe")

Framework: MITRE ATT&CKTM

• 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: Security Support Provider
  • ID: T1547.005
  • Reference URL: https://attack.mitre.org/techniques/T1547/005/