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* Added condition * Replaced Description wirh Image attribute and improved search pattern
25 lines
779 B
YAML
25 lines
779 B
YAML
title: Microsoft Workflow Compiler
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status: experimental
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description: Detects invocation of Microsoft Workflow Compiler, which may permit the execution of arbitrary unsigned code.
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tags:
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- attack.defense_evasion
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- attack.execution
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author: Nik Seetharaman
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references:
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- https://posts.specterops.io/arbitrary-unsigned-code-execution-vector-in-microsoft-workflow-compiler-exe-3d9294bc5efb
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logsource:
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product: windows
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service: sysmon
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detection:
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# Description contains MWC even if file has been renamed.
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selection:
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EventID: 1
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Image: '*\Microsoft.Workflow.Compiler.exe'
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condition: selection
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fields:
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- CommandLine
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- ParentCommandLine
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falsepositives:
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- Legitimate MWC use (unlikely in modern enterprise environments)
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level: high
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