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31 lines
859 B
YAML
31 lines
859 B
YAML
title: Suspicious Curl Usage on Windows
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id: e218595b-bbe7-4ee5-8a96-f32a24ad3468
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status: experimental
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description: Detects a suspicious curl process start on Windows and outputs the requested document to a local file
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author: Florian Roth
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date: 2020/07/03
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modified: 2020/09/05
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references:
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- https://twitter.com/reegun21/status/1222093798009790464
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logsource:
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category: process_creation
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product: windows
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tags:
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- attack.command_and_control
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- attack.t1105
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detection:
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selection1:
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Image|endswith: '\curl.exe'
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selection2:
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Product: 'The curl executable'
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selection3:
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CommandLine|contains: ' -O '
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condition: ( selection1 or selection2 ) and selection3
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fields:
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- CommandLine
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- ParentCommandLine
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falsepositives:
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- Scripts created by developers and admins
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- Administrative activity
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level: medium
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