PSXHAX

int (*sceKernelGetIdPs)(void* ret);
int (*sceKernelGetOpenPsIdForSystem)(void* ret);

int kernel_lib = sceKernelLoadStartModule("libkernel.sprx", 0, NULL, 0, NULL, NULL);
sceKernelDlsym(kernel_lib, "sceKernelGetIdPs", &sceKernelGetIdPs);
sceKernelDlsym(kernel_lib, "sceKernelGetOpenPsIdForSystem", &sceKernelGetOpenPsIdForSystem);

void* idps = malloc(64);
void* psid = malloc(16);

sceKernelGetIdPs(idps); // Missing some byte at end
sceKernelGetOpenPsIdForSystem(psid);

public static Socket _psocket;
public static bool pDConnected;
public static string IP = "192.168.0.8";//Temporary.

public static void Connect2PS4(string ip)
{
           try
            {
                _psocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
                _psocket.ReceiveTimeout = 3000;
                _psocket.SendTimeout = 3000;
                _psocket.Connect(new IPEndPoint(IPAddress.Parse(IP), 9023));
                pDConnected = true;
                return true;
            }
            catch
            {
                pDConnected = false;
                return false;
            }
}

public static bool SendPayload(string filename)
{
    _psocket.SendFile(filename);
    return true;
}

 public static bool DisconnectPayload()
{
    pDConnected = false;
    _psocket.Close();
    return true;
}

//Below is a simple example using the above to send the payload to ps4.

Connect2PS4(IP);
if(_pConnected)
{
    OpenFileDialog FileO = new OpenFileDialog();
    FileO.FileName = "payload.bin";
    FileO.InitialDirectory = "C:\\";
    FileO.Filter = "bin files|*.bin|All Files|*.*";
    DialogResult result = FileO.ShowDialog();
    if(result == DialogResult.OK)
     SendPayload(FileO.FileName);
    DisconnectPayload();
}