Tim Shelton
31 lines
877 B
YAML
31 lines
877 B
YAML
title: Application Executed Non-Executable Extension
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id: c3a99af4-35a9-4668-879e-c09aeb4f2bdf
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status: experimental
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description: Detects the execution of rundll32 with a command line that doesn't contain a .dll file
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references:
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- https://twitter.com/mrd0x/status/1481630810495139841?s=12
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author: Tim Shelton, Florian Roth
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date: 2022/01/13
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modified: 2022/01/27
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logsource:
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category: process_creation
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product: windows
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detection:
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selection:
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Image|endswith: '\rundll32.exe'
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filter_empty:
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CommandLine: null
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filter:
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- CommandLine|contains: '.dll'
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- CommandLine: ''
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filter_iexplorer:
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ParentImage|endswith: ':\Program Files\Internet Explorer\iexplore.exe'
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CommandLine|contains: '.cpl'
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condition: selection and not 1 of filter*
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fields:
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- Image
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- CommandLine
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falsepositives:
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- Unknown
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level: high
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