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blue-team-tools/rules/windows/process_creation/proc_creation_win_rundll32_sys.yml
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2023-02-21 22:15:30 +01:00

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title: Suspicious Rundll32 Activity Invoking Sys File
id: 731231b9-0b5d-4219-94dd-abb6959aa7ea
status: test
description: Detects suspicious process related to rundll32 based on command line that includes a *.sys file as seen being used by UNC2452
references:
- https://www.microsoft.com/security/blog/2021/03/04/goldmax-goldfinder-sibot-analyzing-nobelium-malware/
author: Florian Roth (Nextron Systems)
date: 2021/03/05
modified: 2022/10/09
tags:
- attack.defense_evasion
- attack.t1218.011
logsource:
category: process_creation
product: windows
detection:
selection1:
CommandLine|contains: 'rundll32.exe'
selection2:
CommandLine|contains:
- '.sys,'
- '.sys '
condition: all of selection*
falsepositives:
- Unknown
level: high