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IMPORTANT: No additional bug fixes or documentation updates will be released for this version. For the latest information, see the current release documentation.
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Elastic Docs ›Elastic Security Solution [8.10] ›Downloadable rule update v8.10.2

Network Logon Provider Registry Modification

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Network Logon Provider Registry Modification

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Identifies the modification of the network logon provider registry. Adversaries may register a rogue network logon provider module for persistence and/or credential access via intercepting the authentication credentials in clear text during user logon.

Rule type: eql

Rule indices:

  • logs-endpoint.events.*
  • endgame-*

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:

Tags:

  • Domain: Endpoint
  • OS: Windows
  • Use Case: Threat Detection
  • Tactic: Persistence
  • Tactic: Credential Access
  • Data Source: Elastic Endgame
  • Data Source: Elastic Defend

Version: 105

Rule authors:

  • Elastic

Rule license: Elastic License v2

Rule query

edit
registry where host.os.type == "windows" and registry.data.strings != null and
 registry.path : (
    "HKLM\\SYSTEM\\*ControlSet*\\Services\\*\\NetworkProvider\\ProviderPath",
    "\\REGISTRY\\MACHINE\\SYSTEM\\*ControlSet*\\Services\\*\\NetworkProvider\\ProviderPath"
 ) and
 /* Excluding default NetworkProviders RDPNP, LanmanWorkstation and webclient. */
 not ( user.id : "S-1-5-18" and
       registry.data.strings in
                ("%SystemRoot%\\System32\\ntlanman.dll",
                 "%SystemRoot%\\System32\\drprov.dll",
                 "%SystemRoot%\\System32\\davclnt.dll")
      )

Framework: MITRE ATT&CKTM

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