30 lines
818 B
YAML
30 lines
818 B
YAML
title: FromBase64String Command Line
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author: Florian Roth
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date: 2020/01/29
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description: Detects suspicious FromBase64String expressions in command line arguments
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detection:
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SELECTION_1:
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EventID: 1
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SELECTION_2:
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CommandLine: '*::FromBase64String(*'
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condition: (SELECTION_1 and SELECTION_2)
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falsepositives:
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- Administrative script libraries
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id: e32d4572-9826-4738-b651-95fa63747e8a
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level: high
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logsource:
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category: process_creation
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product: windows
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modified: 2020/09/06
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references:
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- https://gist.github.com/Neo23x0/6af876ee72b51676c82a2db8d2cd3639
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status: experimental
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tags:
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- attack.t1027
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- attack.defense_evasion
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- attack.t1140
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- attack.t1059.001
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yml_filename: win_powershell_frombase64string.yml
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yml_path: /Users/user/Documents/YamatoSecurity/sigma/rules/windows/process_creation
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