33 lines
977 B
YAML
33 lines
977 B
YAML
title: Notepad Making Network Connection
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author: EagleEye Team
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date: 2020/05/14
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description: Detects suspicious network connection by Notepad
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detection:
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SELECTION_1:
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EventID: 3
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SELECTION_2:
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Image: '*\notepad.exe'
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SELECTION_3:
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DestinationPort: '9100'
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condition: (SELECTION_1 and SELECTION_2 and not (SELECTION_3))
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falsepositives:
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- None observed so far
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id: e81528db-fc02-45e8-8e98-4e84aba1f10b
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level: high
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logsource:
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category: network_connection
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product: windows
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modified: 2020/08/24
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references:
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- https://www.sans.org/cyber-security-summit/archives/file/summit-archive-1492186586.pdf
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- https://blog.cobaltstrike.com/2013/08/08/why-is-notepad-exe-connecting-to-the-internet/
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status: experimental
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tags:
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- attack.command_and_control
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- attack.execution
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- attack.defense_evasion
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- attack.t1055
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yml_filename: sysmon_notepad_network_connection.yml
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yml_path: /Users/user/Documents/YamatoSecurity/sigma/rules/windows/network_connection
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