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Newest: 2.0.2
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Active Rule
New TimeProviders Registered With Uncommon DLL Name
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
New TimeProviders Registered With Uncommon DLL Name
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: New TimeProviders Registered With Uncommon DLL Name
id: e88a6ddc-74f7-463b-9b26-f69fc0d2ce85
status: test
description: |
Detects processes setting a new DLL in DllName in under HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\W32Time\TimeProvider.
Adversaries may abuse time providers to execute DLLs when the system boots.
The Windows Time service (W32Time) enables time synchronization across and within domains.
references:
- https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1547.003/T1547.003.md
author: frack113
date: 2022-06-19
modified: 2024-03-26
tags:
- attack.persistence
- attack.privilege-escalation
- attack.t1547.003
logsource:
category: registry_set
product: windows
detection:
selection:
TargetObject|contains: '\Services\W32Time\TimeProviders'
TargetObject|endswith: '\DllName'
filter_main_w32time:
Details:
- '%SystemRoot%\System32\vmictimeprovider.dll'
- '%systemroot%\system32\w32time.dll'
- 'C:\Windows\SYSTEM32\w32time.DLL'
condition: selection and not 1 of filter_main_*
falsepositives:
- Unknown
level: high
CLI command
Copy the exact command to reproduce this translation locally.
sigma convert --without-pipeline -t splunk -f default rules/windows/registry/registry_set/registry_set_timeproviders_dllname.yml