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28 lines
795 B
YAML
28 lines
795 B
YAML
title: Suspicious Rundll32 Without Any CommandLine Params
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id: 1775e15e-b61b-4d14-a1a3-80981298085a
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description: Detects suspicious start of rundll32.exe without any parameters as found in CobaltStrike beacon activity
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status: experimental
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references:
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- https://www.cobaltstrike.com/help-opsec
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author: Florian Roth
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date: 2021/05/27
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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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CommandLine|endswith: '\rundll32.exe'
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filter1:
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ParentImage|endswith: '\svchost.exe'
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filter2:
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ParentImage|contains:
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- '\AppData\Local\'
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- '\Microsoft\Edge\'
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condition: selection and not filter1 and not filter2
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fields:
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- ParentImage
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- ParentCommandLine
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falsepositives:
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- Possible but rare
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level: high
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