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29 lines
657 B
YAML
29 lines
657 B
YAML
title: Encoded IEX
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id: 88f680b8-070e-402c-ae11-d2914f2257f1
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status: experimental
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description: Detects a base64 encoded IEX command string in a process command line
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author: Florian Roth
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date: 2019/08/23
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modified: 2020/08/29
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tags:
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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:
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- 'IEX (['
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- 'iex (['
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- 'iex (New'
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- 'IEX (New'
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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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