Sigma Rule Library

RestrictedAdminMode Registry Value Tampering - ProcCreation

Detects changes to the "DisableRestrictedAdmin" registry value in order to disable or enable RestrictedAdmin mode. RestrictedAdmin mode prevents the transmission of reusable credentials to the remote system to which you connect using Remote Desktop. This prevents your credentials from being harvested during the initial connection process if the remote server has been compromise

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Detection logic

selection

CommandLine|contains|all:
  - \System\CurrentControlSet\Control\Lsa
  - DisableRestrictedAdmin

Condition

selection

Raw YAML

title: RestrictedAdminMode Registry Value Tampering - ProcCreation
id: 28ac00d6-22d9-4a3c-927f-bbd770104573
related:
    - id: d6ce7ebd-260b-4323-9768-a9631c8d4db2 # Registry
      type: similar
status: test
description: |
    Detects changes to the "DisableRestrictedAdmin" registry value in order to disable or enable RestrictedAdmin mode.
    RestrictedAdmin mode prevents the transmission of reusable credentials to the remote system to which you connect using Remote Desktop.
    This prevents your credentials from being harvested during the initial connection process if the remote server has been compromise
references:
    - https://github.com/redcanaryco/atomic-red-team/blob/a8e3cf63e97b973a25903d3df9fd55da6252e564/atomics/T1112/T1112.md
    - https://social.technet.microsoft.com/wiki/contents/articles/32905.remote-desktop-services-enable-restricted-admin-mode.aspx
    - https://thedfirreport.com/2022/05/09/seo-poisoning-a-gootloader-story/
author: frack113
date: 2023-01-13
modified: 2025-08-28
tags:
    - attack.persistence
    - attack.defense-impairment
    - attack.t1112
logsource:
    product: windows
    category: process_creation
detection:
    selection:
        CommandLine|contains|all:
            - '\System\CurrentControlSet\Control\Lsa'
            - 'DisableRestrictedAdmin'
    condition: selection
falsepositives:
    - Unknown
level: high

False positives

  • Unknown

References

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