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The correct answer is B.

OBJ-3.7: Remote Procedure Call (RPC) enables inter-process communication between local and remote processes on Windows. Distributed Component Object Model (DCOM) enables the communication between software components over a network. DCOM applications use RPC as a transport mechanism for client requests. Flaws in DCOM can enable you to execute code on a remote system by assuming user privileges. For example, a DCOM application commonly used to initiate lateral movement is MMC20.Application. This enables users to execute Microsoft Management Console (MMC) snap-in operations on a Windows computer. The MMC20.application includes an ExecuteShellCommand() method that allows for a command’s remote execution using a remote computer’s shell. In this example, the first command told PowerShell on Jason’s machine to select the MMMC snap-in on the remote computer with the IP address of The second command then started the exploit on the remote system with a null current working directory, null parameters passed to the exploit.exe command and started it with a window state of 7. Ultimately, this would launch the exploit.exe program on the remote machine using the local administrator account.

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