SigmaHQ/rules/windows/process_creation/win_susp_rundll32_inline_vbs.yml

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YAML

title: Suspicious Rundll32 Invoking Inline VBScript
id: 1cc50f3f-1fc8-4acf-b2e9-6f172e1fdebd
description: Detects suspicious process related to rundll32 based on command line that invokes inline VBScript as seen being used by UNC2452
status: experimental
references:
- https://www.microsoft.com/security/blog/2021/03/04/goldmax-goldfinder-sibot-analyzing-nobelium-malware/
author: Florian Roth
date: 2021/03/05
logsource:
category: process_creation
product: windows
detection:
selection:
CommandLine|contains|all:
- 'rundll32.exe'
- 'Execute'
- 'RegRead'
- 'window.close'
condition: selection
falsepositives:
- Unknown
level: high