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26 lines
628 B
YAML
26 lines
628 B
YAML
title: Encoded FromBase64String
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id: fdb62a13-9a81-4e5c-a38f-ea93a16f6d7c
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status: experimental
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description: Detects a base64 encoded FromBase64String keyword in a process command line
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author: Florian Roth
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date: 2019/08/24
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tags:
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- attack.defense_evasion
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- attack.t1140
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- attack.execution
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- attack.t1059.001
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- attack.t1086 # an old one
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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|base64offset|contains: '::FromBase64String'
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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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- unknown
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level: critical
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