SiOpenDevice

NTSTATUS __stdcall SiOpenDevice(PCWSTR SourceString, PHANDLE FileHandle){
  WCHAR v2; 
  struct _UNICODE_STRING DestinationString; 
  struct _IO_STATUS_BLOCK IoStatusBlock; 
  struct _OBJECT_ATTRIBUTES ObjectAttributes; 
  *FileHandle = 0i64;
  *(&ObjectAttributes.Length + 1) = 0;
  *(&ObjectAttributes.Attributes + 1) = 0;
  DestinationString = 0i64;
  RtlInitUnicodeString(&DestinationString, SourceString, v2);
  ObjectAttributes.RootDirectory = 0i64;
  ObjectAttributes.ObjectName = &DestinationString;
  ObjectAttributes.Length = 48;
  ObjectAttributes.Attributes = 576;
  *(_OWORD *)&ObjectAttributes.SecurityDescriptor = 0i64;
  IoStatusBlock = 0i64;
  return ZwOpenFile((UNICODE_STRING *)FileHandle, (PWCHAR)0x80100000i64);
}

Referenced by: