35 lines
1.1 KiB
YAML
35 lines
1.1 KiB
YAML
title: Powershell Reverse Shell Connection
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author: FPT.EagleEye, wagga
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date: 2021/03/03
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description: Detects the Nishang Invoke-PowerShellTcpOneLine reverse shell
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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 system.net.sockets.tcpclient*'
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condition: (SELECTION_1 and SELECTION_2 and (SELECTION_3))
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falsepositives:
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- Administrative might use this function for checking network connectivity
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fields:
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- CommandLine
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- ParentCommandLine
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id: edc2f8ae-2412-4dfd-b9d5-0c57727e70be
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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: 2021/06/27
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references:
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- https://www.volexity.com/blog/2021/03/02/active-exploitation-of-microsoft-exchange-zero-day-vulnerabilities/
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- https://www.microsoft.com/security/blog/2021/03/02/hafnium-targeting-exchange-servers/
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status: experimental
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tags:
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- attack.execution
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- attack.t1086
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- attack.t1059.001
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yml_filename: win_powershell_reverse_shell_connection.yml
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yml_path: /Users/user/Documents/YamatoSecurity/sigma/rules/windows/process_creation
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