public void OpenDrv()
{
NTAPI.OBJECT_ATTRIBUTES objectAttributes = new NTAPI.OBJECT_ATTRIBUTES();
NTAPI.UNICODE_STRING deviceName = new NTAPI.UNICODE_STRING(DriverDeviceName);
NTAPI.IO_STATUS_BLOCK ioStatus;
objectAttributes.Length = Marshal.SizeOf(typeof(NTAPI.OBJECT_ATTRIBUTES));
objectAttributes.ObjectName = new IntPtr(&deviceName);
uint status = 0;
IntPtr deviceHandle;
do
{
status = NTAPI.NtOpenFile(
&deviceHandle,
(uint)(NTAPI.ACCESS_MASK.GENERIC_READ | NTAPI.ACCESS_MASK.GENERIC_WRITE | NTAPI.ACCESS_MASK.SYNCHRONIZE),
&objectAttributes, &ioStatus, 0, 3 /*OPEN_EXISTING*/);
if (status != 0 /*NT_SUCCESS*/)
{
//Console.WriteLine($"[!] NtOpenFile failed! - {status:X}");
Console.WriteLine($"[!] Error @ NOF - {status:X}");
Thread.Sleep(250);
}
} while (status != 0 /*NT_SUCCESS*/);
drvHandle = deviceHandle;
Console.WriteLine($"[+] hDevice: {drvHandle:X2}");
}
