Installation of Security Support Provider

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Installation of Security Support Provider

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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 (Date Math format, see also Additional look-back time)

Maximum alerts per execution: 100

References: None

Tags:

  • Elastic
  • Host
  • Windows
  • Threat Detection
  • Persistence

Version: 101

Rule authors:

  • Elastic

Rule license: Elastic License v2

Investigation guide

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Rule query

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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