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Indexed Rules
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Backends
17
Live from sigconverter.io
CLI Versions
10
Newest: 2.0.2
Translation Workspace
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Active Rule
Registry Modification of MS-settings Protocol Handler
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Registry Modification of MS-settings Protocol Handler
Using Splunk · Default · sigma-cli 2.0.2
Translation controls
Adjust the rule on the left, then regenerate when you want a fresh backend-native query.
BackendSplunkFormatDefaultVersion2.0.2
title: Registry Modification of MS-settings Protocol Handler
id: dd3ee8cc-f751-41c9-ba53-5a32ed47e563
related:
- id: 152f3630-77c1-4284-bcc0-4cc68ab2f6e7
type: similar
status: test
description: |
Detects registry modifications to the 'ms-settings' protocol handler, which is frequently targeted for UAC bypass or persistence.
Attackers can modify this registry to execute malicious code with elevated privileges by hijacking the command execution path.
references:
- https://thedfirreport.com/2021/12/13/diavol-ransomware/
- https://www.trendmicro.com/en_us/research/25/f/water-curse.html
author: frack113, Swachchhanda Shrawan Poudel (Nextron Systems)
date: 2021-12-20
modified: 2026-01-24
tags:
- attack.defense-evasion
- attack.privilege-escalation
- attack.persistence
- attack.t1548.002
- attack.t1546.001
- attack.t1112
logsource:
category: process_creation
product: windows
detection:
selection_reg_img:
- Image|endswith: '\reg.exe'
- OriginalFileName: 'reg.exe'
selection_pwsh_img:
- Image|endswith:
- '\powershell.exe'
- '\pwsh.exe'
- OriginalFileName:
- 'powershell.exe'
- 'pwsh.dll'
selection_reg_cli:
CommandLine|contains: 'add'
selection_pwsh_cli:
CommandLine|contains:
- 'New-ItemProperty'
- 'Set-ItemProperty'
- 'ni '
- 'sp '
selection_cli_key:
CommandLine|contains: '\ms-settings\shell\open\command'
condition: (all of selection_reg_* or all of selection_pwsh_*) and selection_cli_key
falsepositives:
- Unknown
level: medium
CLI command
Copy the exact command to reproduce this translation locally.
sigma convert --without-pipeline -t splunk -f default rules/windows/process_creation/proc_creation_win_susp_registry_modification_of_ms_setting_protocol_handler.yml