32 lines
967 B
YAML
32 lines
967 B
YAML
title: Suspicious Rundll32 Activity Invoking Sys File
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author: Florian Roth
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date: 2021/03/05
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description: Detects suspicious process related to rundll32 based on command line
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that includes a *.sys file as seen being used by UNC2452
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detection:
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SELECTION_1:
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EventID: 1
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SELECTION_2:
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CommandLine: '*rundll32.exe*'
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SELECTION_3:
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CommandLine: '*.sys,*'
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SELECTION_4:
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CommandLine: '*.sys *'
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condition: (SELECTION_1 and SELECTION_2 and (SELECTION_3 or SELECTION_4))
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falsepositives:
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- Unknown
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id: 731231b9-0b5d-4219-94dd-abb6959aa7ea
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level: high
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logsource:
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category: process_creation
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product: windows
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references:
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- https://www.microsoft.com/security/blog/2021/03/04/goldmax-goldfinder-sibot-analyzing-nobelium-malware/
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status: experimental
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tags:
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- attack.defense_evasion
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- attack.t1218.011
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yml_filename: win_susp_rundll32_sys.yml
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yml_path: /Users/user/Documents/YamatoSecurity/sigma/rules/windows/process_creation
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