Enable Remote Connection Between Anonymous Computer - AllowAnonymousCallback

Description

Detects enabling of the "AllowAnonymousCallback" registry value, which allows a remote connection between computers that do not have a trust relationship.

Query · sigma

selection:
  TargetObject|contains: \Microsoft\WBEM\CIMOM\AllowAnonymousCallback
  Details: DWORD (0x00000001)
condition: selection

Known false positives

  • Administrative activity
Raw source Enable Remote Connection Between Anonymous Computer - AllowAnonymousCallback · Sigma
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Published by SigmaHQ/sigma ↗, licensed under Detection Rule License 1.1 ↗. Reproduced here unmodified. 
title: Enable Remote Connection Between Anonymous Computer - AllowAnonymousCallback
id: 4d431012-2ab5-4db7-a84e-b29809da2172
status: test
description: Detects enabling of the "AllowAnonymousCallback" registry value, which allows a remote connection between computers that do not have a trust relationship.
references:
    - https://learn.microsoft.com/en-us/windows/win32/wmisdk/connecting-to-wmi-remotely-starting-with-vista
author: X__Junior (Nextron Systems)
date: 2023-11-03
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:
    - Administrative activity
level: medium

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