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22 lines
620 B
YAML
22 lines
620 B
YAML
title: Decode Base64 Encoded Text
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id: 719c22d7-c11a-4f2c-93a6-2cfdd5412f68
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status: experimental
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description: Detects usage of base64 utility to decode arbitrary base64-encoded text
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author: Daniil Yugoslavskiy, oscd.community
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date: 2020/10/19
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references:
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- https://github.com/redcanaryco/atomic-red-team/blob/master/atomics/T1027/T1027.md
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logsource:
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category: process_creation
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product: macos
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detection:
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base64_execution:
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Image: '/usr/bin/base64'
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CommandLine|contains: '-d'
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condition: base64_execution
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falsepositives:
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- Legitimate activities
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level: low
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tags:
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- attack.defense_evasion
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- attack.t1027 |