Nasreddine Bencherchali
24 lines
696 B
YAML
24 lines
696 B
YAML
title: Decode Base64 Encoded Text
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id: e2072cab-8c9a-459b-b63c-40ae79e27031
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status: test
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description: Detects usage of base64 utility to decode arbitrary base64-encoded text
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references:
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- https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1027/T1027.md
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author: Daniil Yugoslavskiy, oscd.community
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date: 2020-10-19
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modified: 2021-11-27
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tags:
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- attack.stealth
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- attack.t1027
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logsource:
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category: process_creation
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product: linux
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detection:
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selection:
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Image|endswith: '/base64'
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CommandLine|contains: '-d' # Also covers "--decode"
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condition: selection
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falsepositives:
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- Legitimate activities
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level: low
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