Disable Privacy Settings Experience in Registry

Hunt Hypothesis

Detects registry modifications that disable Privacy Settings Experience

Detection Rule

Sigma (Original)

title: Disable Privacy Settings Experience in Registry
id: 0372e1f9-0fd2-40f7-be1b-a7b2b848fa7b
status: test
description: Detects registry modifications that disable Privacy Settings Experience
references:
    - https://github.com/redcanaryco/atomic-red-team/blob/9e5b12c4912c07562aec7500447b11fa3e17e254/atomics/T1562.001/T1562.001.md
author: frack113
date: 2022-10-02
modified: 2023-08-17
tags:
    - attack.defense-impairment
    - attack.t1685
logsource:
    category: registry_set
    product: windows
detection:
    selection:
        TargetObject|endswith: '\SOFTWARE\Policies\Microsoft\Windows\OOBE\DisablePrivacyExperience'
        Details: 'DWORD (0x00000000)'
    condition: selection
falsepositives:
    - Legitimate admin script
level: medium

KQL (Azure Sentinel)

imRegistry
| where RegistryKey endswith "\\SOFTWARE\\Policies\\Microsoft\\Windows\\OOBE\\DisablePrivacyExperience" and RegistryValueData =~ "DWORD (0x00000000)"

KQL (Microsoft 365 Defender)

DeviceRegistryEvents
| where RegistryKey endswith "\\SOFTWARE\\Policies\\Microsoft\\Windows\\OOBE\\DisablePrivacyExperience" and RegistryValueData =~ "DWORD (0x00000000)"

Required Data Sources

False Positive Guidance

• Legitimate admin script

MITRE ATT&CK Context

• Technique: T1685 — T1685

References

• https://github.com/redcanaryco/atomic-red-team/blob/9e5b12c4912c07562aec7500447b11fa3e17e254/atomics/T1562.001/T1562.001.md
• SigmaHQ Rule