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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Service Disabled via Registry Modification

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Service Disabled via Registry Modification

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Identifies attempts to modify services start settings using processes other than services.exe. Attackers may attempt to modify security and monitoring services to avoid detection or delay response.

Rule type: eql

Rule indices:

logs-endpoint.events.*
endgame-*

Severity: low

Risk score: 21

Runs every: 60m

Searches indices from: now-119m (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: Defense Evasion
Data Source: Elastic Endgame
Data Source: Elastic Defend
Rule Type: BBR

Version: 2

Rule authors:

Elastic

Rule license: Elastic License v2

Rule query

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registry where host.os.type == "windows" and event.type == "change" and
  registry.path : (
    "HKLM\\SYSTEM\\*ControlSet*\\Services\\*\\Start",
    "\\REGISTRY\\MACHINE\\SYSTEM\\*ControlSet*\\Services\\*\\Start"
  ) and registry.data.strings : ("3", "4") and
  not
    (
      process.name : "services.exe" and user.id : "S-1-5-18"
    )
  and not registry.path : "HKLM\\SYSTEM\\ControlSet001\\Services\\MrxSmb10\\Start"

Framework: MITRE ATT&CK^TM

Tactic:
- Name: Defense Evasion
- ID: TA0005
- Reference URL: https://attack.mitre.org/tactics/TA0005/
Technique:
- Name: Modify Registry
- ID: T1112
- Reference URL: https://attack.mitre.org/techniques/T1112/
Tactic:
- Name: Impact
- ID: TA0040
- Reference URL: https://attack.mitre.org/tactics/TA0040/
Technique:
- Name: Service Stop
- ID: T1489
- Reference URL: https://attack.mitre.org/techniques/T1489/

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