Fred Cyber Security d6e3d7016d
Update Mmc.yml (#437)
Co-authored-by: Wietze <wietze@users.noreply.github.com>
2025-06-01 13:04:47 +01:00

50 lines
2.1 KiB
YAML

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