Registry Explorer Policy Modification

title: Registry Explorer Policy Modification
id: 1c3121ed-041b-4d97-a075-07f54f20fb4a
status: test
description: Detects registry modifications that disable internal tools or functions in explorer (malware like Agent Tesla uses this technique)
references:
    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1112/T1112.md
author: frack113
date: 2022-03-18
modified: 2023-08-17
tags:
    - attack.persistence
    - attack.defense-impairment
    - attack.t1112
logsource:
    category: registry_set
    product: windows
detection:
    selection_set_1:
        TargetObject|endswith:
            - 'SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoLogOff'
            - 'SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoDesktop'
            - 'SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoRun'
            - 'SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoFind'
            - 'SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoControlPanel'
            - 'SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoFileMenu'
            - 'SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoClose'
            - 'SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoSetTaskbar'
            - 'SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoPropertiesMyDocuments'
            - 'SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoTrayContextMenu'
        Details: 'DWORD (0x00000001)'
    condition: selection_set_1
falsepositives:
    - Legitimate admin script
level: medium
simulation:
    - type: atomic-red-team
      name: Activate Windows NoDesktop Group Policy Feature
      technique: T1112
      atomic_guid: 93386d41-525c-4a1b-8235-134a628dee17
    - type: atomic-red-team
      name: Activate Windows NoRun Group Policy Feature
      technique: T1112
      atomic_guid: d49ff3cc-8168-4123-b5b3-f057d9abbd55
    - type: atomic-red-team
      name: Activate Windows NoFind Group Policy Feature
      technique: T1112
      atomic_guid: ffbb407e-7f1d-4c95-b22e-548169db1fbd
    - type: atomic-red-team
      name: Activate Windows NoControlPanel Group Policy Feature
      technique: T1112
      atomic_guid: a450e469-ba54-4de1-9deb-9023a6111690
    - type: atomic-red-team
      name: Activate Windows NoFileMenu Group Policy Feature
      technique: T1112
      atomic_guid: 5e27bdb4-7fd9-455d-a2b5-4b4b22c9dea4
    - type: atomic-red-team
      name: Activate Windows NoClose Group Policy Feature
      technique: T1112
      atomic_guid: 12f50e15-dbc6-478b-a801-a746e8ba1723
    - type: atomic-red-team
      name: Activate Windows NoSetTaskbar Group Policy Feature
      technique: T1112
      atomic_guid: d29b7faf-7355-4036-9ed3-719bd17951ed
    - type: atomic-red-team
      name: Activate Windows NoPropertiesMyDocuments Group Policy Feature
      technique: T1112
      atomic_guid: 20fc9daa-bd48-4325-9aff-81b967a84b1d
    - type: atomic-red-team
      name: Activate Windows NoTrayContextMenu Group Policy Feature
      technique: T1112
      atomic_guid: 4d72d4b1-fa7b-4374-b423-0fe326da49d2
    - type: atomic-red-team
      name: Activate Windows NoLogOff Group Policy Feature
      technique: T1112
      atomic_guid: c375558d-7c25-45e9-bd64-7b23a97c1db0