Suspicious Disable Administrative Share Creation at Startup (via registry_set)

title: Suspicious Disable Administrative Share Creation at Startup (via registry_set)
id: 3d029d6a-8418-560c-a792-b2d641b79d47
status: stable
description: This rule detects administrative shares are hidden network shares created by Microsoft Windows NT operating systems that grant system administrators remote access to every disk volume on a network-connected system
references:
    - https://attack.mitre.org/techniques/T1070/005/
    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1070.005/T1070.005.md#atomic-test-4---disable-administrative-share-creation-at-startup
author: Huntrule Team
date: 2026-07-13
tags:
    - attack.stealth
    - attack.t1070.005
logsource:
    category: registry_set
    product: windows
detection:
    selection:
        TargetObject|contains: '\Services\LanmanServer\Parameters\'
        TargetObject|endswith:
            - '\AutoShareWks'
            - '\AutoShareServer'
        Details: 'DWORD (0x00000000)'
    condition: selection
falsepositives:
    - Unknown
level: medium
regression_tests_path: regression_data/rules/windows/registry/registry_set/registry_set_disable_administrative_share/info.yml
simulation:
    - type: atomic-red-team
      name: Disable Administrative Share Creation at Startup
      technique: T1070.005
      atomic_guid: 99c657aa-ebeb-4179-a665-69288fdd12b8