Suspicious Enable Remote Connection Between Anonymous Computer - AllowAnonymousCallback (via registry_set)

title: Suspicious Enable Remote Connection Between Anonymous Computer - AllowAnonymousCallback (via registry_set)
id: b92c57f9-3cea-59a8-a051-6975eb77d5da
status: stable
description: This rule detects enabling of the "AllowAnonymousCallback" registry value, which enables a remote connection between computers that do not have a trust relationship.
references:
    - https://attack.mitre.org/techniques/T1685/
    - https://learn.microsoft.com/en-us/windows/win32/wmisdk/connecting-to-wmi-remotely-starting-with-vista
author: Huntrule Team
date: 2026-07-10
tags:
    - attack.defense-impairment
    - attack.t1685
logsource:
    product: windows
    category: registry_set
detection:
    selection:
        TargetObject|contains: '\Microsoft\WBEM\CIMOM\AllowAnonymousCallback'
        Details: 'DWORD (0x00000001)'
    condition: selection
falsepositives:
    - Unknown
level: medium