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Detection rules › Sigma

Disable Privacy Settings Experience in Registry

Status
test
Severity
medium
Log source
category registry_set, product windows
Author
frack113
Source
github.com/SigmaHQ/sigma

Detects registry modifications that disable Privacy Settings Experience

Known false positives

  • Legitimate admin script

MITRE ATT&CK coverage

TacticTechniques
Defense Impairment

Telemetry coverage

ProviderRecord / event type
SysmonEvent ID 13: RegistryEvent (Value Set)

Rule body

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

Stages and Predicates

Stage 0: condition

selection

Stage 1: selection

selection:
    TargetObject|endswith: '\SOFTWARE\Policies\Microsoft\Windows\OOBE\DisablePrivacyExperience'
    Details: 'DWORD (0x00000000)'

Indicators

These rows show field, operator, and value matches.

FieldKindValuesSearch
Detailseq
  • DWORD (0x00000000) corpus 38 (sigma 36, chronicle 2)
field:"Details" kind:eq value:"DWORD (0x00000000)"
TargetObjectends_with
  • \SOFTWARE\Policies\Microsoft\Windows\OOBE\DisablePrivacyExperience
field:"TargetObject" kind:ends_with value:"\SOFTWARE\Policies\Microsoft\Windows\OOBE\DisablePrivacyExperience"