![]() ![]() Edit file cmd.c and add AllocConsole() to function cmd_main: You need to change 3 files.Įdit file cmd.rbuild and make these changes to the module element:īecause I want to use this DLL in GUI-processes without console, I need to create a console. Transforming the source code to generate a DLL in stead of an EXE is simple. ![]() That’s all you need to do to compile cmd.exe (I used version 0.3.11). Install it, start the build environment and issue command make cmd. Metasploit’s Meterpreter is another example of a command interpreter in DLL form.Ĭmd.exe from Microsoft is closed source, but there is an open-source variant available from the ReactOS project.Ĭompiling cmd.exe from ReactOS is simple: download the source-code and the ReactOS build environment. In a restricted environment, it can be injected into a legitimate process and thus bypass the restriction mechanisms. ![]() Why you ask? Well, because it’s a fun challenge □īut also because a DLL is loaded into a process. This is something I’ve wanted to do for some time: take a command interpreter and transform it from an EXE into a DLL. ![]()
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December 2022
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