Scripted Diagnostics Turn Off Check Enabled - Registry

Detects enabling TurnOffCheck which can be used to bypass defense of MSDT Follina vulnerability

Detection logic

selection

TargetObject|endswith: \Policies\Microsoft\Windows\ScriptedDiagnostics\TurnOffCheck
Details: DWORD (0x00000001)

Condition

selection

Raw YAML

title: Scripted Diagnostics Turn Off Check Enabled - Registry
id: 7d995e63-ec83-4aa3-89d5-8a17b5c87c86
status: test
description: Detects enabling TurnOffCheck which can be used to bypass defense of MSDT Follina vulnerability
references:
    - https://twitter.com/wdormann/status/1537075968568877057?s=20&t=0lr18OAnmAGoGpma6grLUw
author: 'Christopher Peacock @securepeacock, SCYTHE @scythe_io'
date: 2022-06-15
modified: 2023-08-17
tags:
    - attack.defense-impairment
    - attack.t1685
logsource:
    product: windows
    category: registry_set
detection:
    selection:
        TargetObject|endswith: '\Policies\Microsoft\Windows\ScriptedDiagnostics\TurnOffCheck'
        Details: 'DWORD (0x00000001)'
    condition: selection
falsepositives:
    - Administrator actions
level: medium

False positives

Administrator actions

References

https://twitter.com/wdormann/status/1537075968568877057?s=20&t=0lr18OAnmAGoGpma6grLUw

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