sigmamediumHunting

Enable Remote Connection Between Anonymous Computer - AllowAnonymousCallback

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

MITRE ATT&CK

T1562.001

defense-evasion

Detection Query

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

Author

X__Junior (Nextron Systems)

Created

2023-11-03

Data Sources

windowsRegistry Set Events

Platforms

windows

References

https://learn.microsoft.com/en-us/windows/win32/wmisdk/connecting-to-wmi-remotely-starting-with-vista

Tags

attack.defense-evasionattack.t1562.001

Raw Content

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-evasion
    - attack.t1562.001
logsource:
    product: windows
    category: registry_set
detection:
    selection:
        TargetObject|contains: '\Microsoft\WBEM\CIMOM\AllowAnonymousCallback'
        Details: 'DWORD (0x00000001)'
    condition: selection
falsepositives:
    - Administrative activity
level: medium