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37 lines
1.7 KiB
YAML
37 lines
1.7 KiB
YAML
---
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Name: Mmc.exe
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Description: Load snap-ins to locally and remotely manage Windows systems
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Author: '@bohops'
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Created: 2018-12-04
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Commands:
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- Command: mmc.exe -Embedding c:\path\to\test.msc
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Description: Launch a 'backgrounded' MMC process and invoke a COM payload
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Usecase: Configure a snap-in to load a COM custom class (CLSID) that has been added to the registry
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Category: Execute
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Privileges: User
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MitreID: T1218.014
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OperatingSystem: Windows 10 (and possibly earlier versions), Windows 11
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- Command: mmc.exe gpedit.msc
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Description: Load an arbitrary payload DLL by configuring COR Profiler registry settings and launching MMC to bypass UAC.
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Usecase: Modify HKCU\Environment key in Registry with COR profiler values then launch MMC to load the payload DLL.
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Category: UAC Bypass
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Privileges: Administrator
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MitreID: T1218.014
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OperatingSystem: Windows 10 (and possibly earlier versions), Windows 11
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Full_Path:
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- Path: C:\Windows\System32\mmc.exe
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- Path: C:\Windows\SysWOW64\mmc.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/c04bef2fbbe8beff6c7620d5d7ea6872dbe7acba/rules/windows/process_creation/proc_creation_win_mmc_susp_child_process.yml
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- Sigma: https://github.com/SigmaHQ/sigma/blob/c04bef2fbbe8beff6c7620d5d7ea6872dbe7acba/rules/windows/file/file_event/file_event_win_uac_bypass_dotnet_profiler.yml
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Resources:
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- Link: https://bohops.com/2018/08/18/abusing-the-com-registry-structure-part-2-loading-techniques-for-evasion-and-persistence/
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- Link: https://offsec.almond.consulting/UAC-bypass-dotnet.html
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Acknowledgement:
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- Person: Jimmy
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Handle: '@bohops'
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- Person: clem
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Handle: '@clavoillotte'
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