CmpOpenFileWithExtremePrejudice

INT64 __stdcall CmpOpenFileWithExtremePrejudice(
        PHANDLE FileHandle,
        POBJECT_ATTRIBUTES ObjectAttributes,
        PIO_STATUS_BLOCK IoStatusBlock,
        UINT32 FileAttributes,
        UINT32 a5){
  INT64 result; 
  NTSTATUS v10; 
  UINT64 OpenOptions; 
  UINT64 v12; 
  UINT64 CreateDisposition; 
  UINT64 CreateOptions; 
  UINT64 v15; 
  void *FileHandlea; 
  struct _IO_STATUS_BLOCK IoStatusBlocka; 
  struct _FILE_BASIC_INFORMATION FileInformation; 
  FileHandlea = 0i64;
  *FileHandle = 0i64;
  IoStatusBlocka = 0i64;
  memset(&FileInformation, 0, sizeof(FileInformation));
  LODWORD(result) = ZwQueryAttributesFile(ObjectAttributes, &FileInformation);
  if( (int)result >= 0 )
  {
    FileInformation.FileAttributes &= ~1u;
    LODWORD(result) = ZwOpenFile((UNICODE_STRING *)&FileHandlea, (PWCHAR)0x100);
    if( (int)result >= 0 )
    {
      v10 = ZwSetInformationFile(FileHandlea, &IoStatusBlocka, &FileInformation, 0x28ui64, FileBasicInformation);
      ZwClose(FileHandlea);
      if( v10 >= 0 )
      {
        LODWORD(v15) = 0;
        LODWORD(CreateOptions) = a5;
        LODWORD(CreateDisposition) = 1;
        LODWORD(v12) = 0;
        LODWORD(OpenOptions) = FileAttributes;
        LODWORD(result) = ZwCreateFile(
                            FileHandle,
                            3ui64,
                            ObjectAttributes,
                            IoStatusBlock,
                            0i64,
                            OpenOptions,
                            v12,
                            CreateDisposition,
                            CreateOptions,
                            0i64,
                            v15);
      }
      else
      {
        return(unsigned int)v10;
      }
    }
  }
  return result;
}

Referenced by: