41 lines
912 B
YAML
41 lines
912 B
YAML
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title: PowerShell Download from URL
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ruletype: Sigma
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author: Florian Roth, oscd.community, Jonhnathan Ribeiro
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date: 2019/01/16
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description: Detects a Powershell process that contains download commands in its command
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line string
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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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Image: '*\powershell.exe'
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SELECTION_3:
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CommandLine: '*new-object*'
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SELECTION_4:
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CommandLine: '*net.webclient).*'
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SELECTION_5:
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CommandLine: '*download*'
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SELECTION_6:
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CommandLine:
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- '*string(*'
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- '*file(*'
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condition: (SELECTION_1 and SELECTION_2 and SELECTION_3 and SELECTION_4 and SELECTION_5
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and SELECTION_6)
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falsepositives:
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- unknown
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fields:
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- CommandLine
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- ParentCommandLine
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id: 3b6ab547-8ec2-4991-b9d2-2b06702a48d7
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level: medium
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logsource:
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category: process_creation
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product: windows
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modified: 2021/11/27
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status: test
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tags:
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- attack.t1086
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- attack.execution
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- attack.t1059.001
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