#include <Windows.h>
#include <stdio.h>
 
char *driver = "C:\\hellowWorld.sys";
 
void instalar_driver() {
	SC_HANDLE Manager = OpenSCManager(NULL, NULL, SC_MANAGER_CREATE_SERVICE);
	if (Manager != ERROR) {
		printf("\nCargando el driver...");
		SC_HANDLE Service = CreateService(Manager, "TEST", "TEST", SERVICE_START | DELETE | SERVICE_STOP, SERVICE_KERNEL_DRIVER, SERVICE_DEMAND_START, SERVICE_ERROR_IGNORE, driver, NULL, NULL, NULL, NULL, NULL);
		if (Service == ERROR) {
			Service = OpenService(Manager, "TEST", SERVICE_START | DELETE | SERVICE_STOP);
 
		}
		if (Service) {
			StartService(Service, 0, NULL);
			printf("\nServicio Ejecutado");
		}
		CloseServiceHandle(Manager);
	}
 
}
 
void eliminar_driver() {
 
	SC_HANDLE Manager = OpenSCManager(NULL, NULL, SC_MANAGER_ALL_ACCESS);
	if (Manager != ERROR) {
		SC_HANDLE Service = OpenService(Manager, "TEST", SERVICE_START | DELETE | SERVICE_STOP);
		if (Service != ERROR) {
			SERVICE_STATUS status;
			ControlService(Service, SERVICE_CONTROL_STOP, &status);
			printf("\nServicio Detenido");
			DeleteService(Service);
			printf("\nServicio Eliminado");
			CloseServiceHandle(Service);
		}
		CloseServiceHandle(Manager);
	}
}
 
int main(void) {
	int opcion;
	while (1)
	{
		printf("\n1) cargar driver");
		printf("\n2) eliminar driver de la memoria");
		printf("\n3) salir del menu");
		printf("\n\n->  ");
		scanf("%d", &opcion);
		switch (opcion) {
		case 1:
			instalar_driver();
			break;
		case 2:
			eliminar_driver();
			break;
		case 3:
			exit(1);
 
		default:
			printf("\n\nOpcion incorrecta");
			break;
		}
 
	}
	return 0;
}
 

#include <ntddk.h>
 
 
VOID Unload(PDRIVER_OBJECT DriverObject)
{
	DbgPrint("Driver Unloaded From Memory\n");
}
 
NTSTATUS DriverEntry(PDRIVER_OBJECT DriverObject, PUNICODE_STRING RegisterPath)
{
	DbgPrint("Hellow World From Kernel Space\n");
	DriverObject->DriverUnload = Unload;  // No siempre hay que limpiar el codigo , pero si es recomendable si vamos a hacer pruebas, ya que , de lo contrario hay que reiniciar el ordenador continuamente
	return STATUS_SUCCESS;
}