Date: Wed Aug 10 22:37:26 2005
From: ad at class101.org (ad@...ss101.org)
Subject: msn passwd checker C# source

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Hash: SHA1

:)

/*
C:\>msn_fuzzer test@...l.com testpasswd
[.] Resolving.....: messenger.hotmail.com = 65.54.239.140
[.] Connected.....: 207.46.4.25:1863
[.] HTTPS.........: unauthorized (login/passwd)
[.] Disconnection..

C:\>msn_fuzzer test@...l.com testpasswd -v
[.] Resolving.....: messenger.hotmail.com
[.] Resolving.....: messenger.hotmail.com = 65.54.239.140
[.] Connecting....: 65.54.239.140:1863
[.] Connected.....: logging (test@...l.com)
[.] Connected.....: 207.46.4.33:1863
[.] Connected.....: logging (test@...l.com)
[.] Connected.....: challenge string OK
[.] HTTPS.........: unauthorized (login/passwd)
[.] Disconnection..

C:\>msn_fuzzer test@...l.com testpasswd -vv
[.] Resolving.....: messenger.hotmail.com
[.] Resolving.....: messenger.hotmail.com = 65.54.239.140
[.] Connecting....: 65.54.239.140:1863
[.] Connected.....: 65.54.239.140:1863
[.] Connected.....: logging (test@...l.com)
[.] Connected.....: buffer #1
[.] Connected.....: buffer #2
[.] Connected.....: buffer #3
[.] Transferred...: 207.46.4.92:1863
[.] Connected.....: 207.46.4.92:1863
[.] Connected.....: logging (test@...l.com)
[.] Connected.....: buffer #1
[.] Connected.....: buffer #2
[.] Connected.....: buffer #3
[.] Connected.....: challenge string OK
[.] HTTPS.........: subconnection #1 (nexus.passport.com)
[.] HTTPS.........: retrieving login server
[.] HTTPS.........: retrieving login server (success)
[.] HTTPS.........: subconnection #2 (loginnet.passport.com)
[.] HTTPS.........: retrieving hash ticket
[.] HTTPS.........: unauthorized (login/passwd)
[.] Disconnection..

C:\>msn_fuzzer 207.46.4.92 1863 test@...l.com testpasswd -vv
[.] Connecting....: 207.46.4.92:1863
[.] Connected.....: 207.46.4.92:1863
[.] Connected.....: logging (test@...l.com)
[.] Connected.....: buffer #1
[.] Connected.....: buffer #2
[.] Connected.....: buffer #3
[.] Connected.....: challenge string OK
[.] HTTPS.........: subconnection #1 (nexus.passport.com)
[.] HTTPS.........: retrieving login server
[.] HTTPS.........: retrieving login server (success)
[.] HTTPS.........: subconnection #2 (loginnet.passport.com)
[.] HTTPS.........: retrieving hash ticket
[.] HTTPS.........: unauthorized (login/passwd)
[.] Disconnection..

etc,etc..

The C code might be used to fuzze some MSN clients, bruteforce, etc,
etc...

demonstration:

http://class101.org/MSN_fuzzer.zip
*/
#include <stdio.h>
#include <string.h>
#include <io.h>
#include <afxext.h>
#include <afxinet.h>
#include <winsock2.h>
#pragma comment(lib, "ws2_32")
#pragma comment(lib, "mpr")
#pragma comment(lib, "wininet")

void ver(),usage(),error(),foot(),done(SOCKET s);
int vb1=0,vb2=0,port,i,j,l00p=0;
char
*ar0,*ar1,*ar2,*ar3,*ar4,*ar5,*one,*pwd,*mail,mail_[128],mail__[128],newip[1
5],newport[5];
hostent* one_;
WSADATA wsadata;

int engine1(char *one,int port,char *mail,int argc);

int main(int argc,char *argv[])
{
 ver();

ar0=argv[0],ar1=argv[1],ar2=argv[2],ar3=argv[3],ar4=argv[4],ar5=argv[5];
 if (argc==1){usage();return 0;}
 if
((argc==3||argc==4&&(stricmp(ar3,"-v")==0||stricmp(ar3,"-vv")==0))&&strchr(a
r1,0x40)!=0||

(argc==5||argc==6&&(stricmp(ar5,"-v")==0||stricmp(ar5,"-vv")==0))&&atoi(ar2)
>0&&atoi(ar2)<=65535&&strlen(ar1)>7&&strchr(ar3,0x40)!=0)
 {
  if (argc==4&&stricmp(ar3,"-v")==0||argc==6&&stricmp(ar5,"-v")==0)
   vb1++;
  else if
(argc==4&&stricmp(ar3,"-vv")==0||argc==6&&stricmp(ar5,"-vv")==0)
   vb2++;
  printf("\n"); //I feel maniak I know :s
  if (WSAStartup(MAKEWORD(2,0),&wsadata)!=0){
   if (vb2!=0)
    printf("[.] WSA Initialization Error (%d)\n",WSAGetLastError());
   printf("[.] Aborting..\n");
   return -1;
  }
  if (argc==3||argc==4){
   one="messenger.hotmail.com";
   mail=ar1;pwd=ar2;
  }else{
   one=ar1;
   mail=ar3;pwd=ar4;}
  for (i=0,j=0;mail[i]!=64;i++,j++){memset(mail_+j,mail[i],1);}
  for (i=i+1,j=0;mail[i]!=0;i++,j++){memset(mail__+j,mail[i],1);}
  if (one[strlen(one)-1] == '\n')
   one[strlen(one)-1] = '\0';
  if (isalpha(one[0]))
  {
   if (vb1!=0||vb2!=0)
    printf("[.] Resolving.....: %s\n",one);
   one_=gethostbyname(one);
   if (one_==0)
   {
    if (vb2!=0)
     printf("[.] Resolving.....: ERROR (%d)\n",WSAGetLastError());
    printf("[.] Aborting..\n");
    return -1;
   }else{
    printf("[.] Resolving.....: %s = %s\n",one,inet_ntoa(*((struct
in_addr *)one_->h_addr_list[0])));
   }
   one=inet_ntoa(*((struct in_addr *)one_->h_addr_list[0]));
   port=1863;
   if (vb1!=0||vb2!=0)
    printf("[.] Connecting....: %s:%d\n",one,port);
  }
  else
  {
   port=atoi(ar2);
   if (vb1!=0||vb2!=0)
    printf("[.] Connecting....: %s:%d\n",one,port);
  }
  engine1(one,port,mail,argc);
 }
 else {
  error();return -1;}
 return 0;
}

int engine1(char *one,int port,char *mail,int argc)
{
 SOCKET s;fd_set mask1,mask2;
 struct timeval timeout,timeout2;
 struct sockaddr_in server;
loop:
 unsigned long flag=1;
 server.sin_family=AF_INET;
 if (l00p!=0)
 {
  server.sin_addr.s_addr=inet_addr(newip);
  server.sin_port=htons(atoi(newport));
 }
 else
 {
  server.sin_addr.s_addr=inet_addr(one);
  server.sin_port=htons(port);
 }
 s=socket(AF_INET,SOCK_STREAM,0);
 if (s==-1){
  if (vb2!=0)
   printf("[.] Connecting....: ERR|socket
(%d)\n",WSAGetLastError());done(s);return -1;
 }
 if (ioctlsocket(s,FIONBIO,&flag)!=0){
  if (vb2!=0)
   printf("[.] Connecting....: ERR|ioctl
(%d)\n",WSAGetLastError());done(s);return -1;
 }
 connect(s,(struct sockaddr *)&server,sizeof(server));
 FD_ZERO(&mask1);FD_ZERO(&mask2);FD_SET(s,&mask1);FD_SET(s,&mask2);

timeout.tv_sec=5;timeout.tv_usec=0;timeout2.tv_sec=8;timeout2.tv_usec=0;
 switch(select(s+1,NULL,&mask1,&mask2,&timeout))
 {
  case -1: {
   if (vb2!=0)
    printf("[.] Connecting....: ERR|select
(%d)\n",WSAGetLastError());
   done(s);return -1;
     }
  case 0: {
   if (vb2!=0)
    printf("[.] Connecting....: ERR|select (Timeout)\n");
   done(s);return -1;
    }
  default:
   if(FD_ISSET(s,&mask2))
   {
    if (vb2!=0)
     printf("[.] Connecting....: ERR|isset (Refused)\n");
    done(s);return -1;
   }
   else if(FD_ISSET(s,&mask1))
   {
    if ((vb1==0&&vb2==0||vb1!=0)&&l00p!=0||vb2!=0)
     printf("[.] Connected.....:
%s:%d\n",inet_ntoa(server.sin_addr),ntohs(server.sin_port));
    char recvbuf[2048];
    char
spy2[512],spy3[512],spy4[512],chstring[1024],chstring2[1024],chstring3[1024]
,chstring4[1024];
    char spy[]="VER 15 MSNP11 MSNP10 CVR0\r\n";
    char lpszHeaders[5000];
    int rc,Https2=0;
    sprintf(spy2,"CVR 16 0x0409 winnt 5.1 i386 MSNMSGR 7.0.0816
MSMSGS %s\r\n",mail);
    sprintf(spy3,"USR 17 TWN I %s\r\n",mail);
    if (vb1!=0||vb2!=0)
     printf("[.] Connected.....: logging (%s)\n",mail);
    void *hOpen,*hCon,*hDo;
    LPCTSTR lpszServerName;
    LPCTSTR lpszObjectName;
    DWORD dwHeadersLength;
    if (send(s,spy,sizeof(spy)-1,0)==-1){
     if (vb2!=0)
      printf("[.] Connected.....: ERR|send1
(%d)\n",WSAGetLastError());
     done(s);return -1;
    }
    switch(select(s+1,&mask1,NULL,NULL,&timeout2))
    {
     case -1: {
      if (vb2!=0)
       printf("[.] Connected.....: ERR|select1
(%d)\n",WSAGetLastError());
      done(s);return -1;
        }
     case 0: {
      if (vb2!=0)
       printf("[.] Connected.....: ERR|select1 (nothing
received)\n");
      done(s);return -1;
       }
     default:
      rc=recv(s,recvbuf,sizeof(recvbuf),0);
    }
    if (rc<1||!strstr(recvbuf,"VER")){
     if (vb2!=0)
      printf("[.] Connected.....: ERR|recv1 (wrong data)\n");
     done(s);return -1;
    }
    else
    {
     if (vb2!=0)
      printf("[.] Connected.....: buffer #1\n");
    }
    rc=0;memset(recvbuf,0,sizeof(recvbuf));
    if (send(s,spy2,strlen(spy2),0)==-1){
     if (vb2!=0)
      printf("[.] Connected.....: ERR|send2
(%d)\n",WSAGetLastError());
     done(s);return -1;
    }
    switch(select(s+1,&mask1,NULL,NULL,&timeout2))
    {
     case -1: {
      if (vb2!=0)
       printf("[.] Connected.....: ERR|select2
(%d)\n",WSAGetLastError());
      done(s);return -1;
        }
     case 0: {
      if (vb2!=0)
       printf("[.] Connected.....: ERR|select2 (nothing
received)\n");
      done(s);return -1;
       }
     default:
      rc=recv(s,recvbuf,sizeof(recvbuf),0);
    }
    if (rc<1||!strstr(recvbuf,"CVR")){
     if (vb2!=0)
      printf("[.] Connected.....: ERR|recv2 (wrong data)\n");
     done(s);return -1;
    }
    else
    {
     if (vb2!=0)
      printf("[.] Connected.....: buffer #2\n");
    }
    rc=0;memset(recvbuf,0,sizeof(recvbuf));
    if (send(s,spy3,strlen(spy3),0)==-1){
     if (vb2!=0)
      printf("[.] Connected.....: ERR|send3
(%d)\n",WSAGetLastError());
     done(s);return -1;
    }
    switch(select(s+1,&mask1,NULL,NULL,&timeout2))
    {
     case -1: {
      if (vb2!=0)
       printf("[.] Connected.....: ERR|select3
(%d)\n",WSAGetLastError());
      done(s);return -1;
        }
     case 0: {
      if (vb2!=0)
       printf("[.] Connected.....: ERR|select3 (nothing
received)\n");
      done(s);return -1;
       }
     default:
      rc=recv(s,recvbuf,sizeof(recvbuf),0);
    }
    if (rc<1||!strstr(recvbuf,"USR")&&!strstr(recvbuf,"XFR")){
     if (vb2!=0)
      printf("[.] Connected.....: ERR|recv3 (wrong data)\n");
     done(s);return -1;
    }
    else
    {
     if (vb2!=0)
      printf("[.] Connected.....: buffer #3\n");
    }
    if (strstr(recvbuf,"XFR"))
    {
     for
(i=10,j=0;recvbuf[i]!=58;i++,j++){memset(newip+j,recvbuf[i],1);}
     for
(i=i+1,j=0;recvbuf[i]!=32;i++,j++){memset(newport+j,recvbuf[i],1);}
     if (newip[strlen(newip)-1] == '\n')
      newip[strlen(newip)-1] = '\0';
     if (vb2!=0)
      printf("[.] Transferred...: %s:%d\n",newip,atoi(newport));
     l00p++;closesocket(s);goto loop;
    }
    else if (strstr(recvbuf,"USR"))
    {
     for
(i=13,j=0;recvbuf[i]!=0;i++,j++){memset(chstring+j,recvbuf[i],1);}
     if (chstring[strlen(chstring)-1]==18)
      chstring[strlen(chstring)-1]='\0'; //XP patch, do not touch.
     if (vb2!=0||vb1!=0)
      printf("[.] Connected.....: challenge string OK\n");
https2:
     DWORD header1l='-1L';
     LPVOID header1=new char[header1l];
     if (Https2==0)
     {
      lpszServerName="nexus.passport.com";
      lpszObjectName="/rdr/pprdr.asp";
      *lpszHeaders=NULL;
      dwHeadersLength=0;
      if (vb2!=0){
       printf("[.] HTTPS.........: subconnection #1
(%s)\n",lpszServerName);
       printf("[.] HTTPS.........: retrieving login server\n");
      }
     }
     else
     {
      lpszServerName=chstring2;
      lpszObjectName=chstring3;
      sprintf(lpszHeaders,"Authorization: Passport1.4
OrgVerb=GET,OrgURL=http%%3A%%2F%%2Fmessenger%%2Emsn%%2Ecom,sign-in=%s%%40%s,
pwd=%s,%s",mail_,mail__,pwd,chstring);
      dwHeadersLength=-1L;
      if (vb2!=0){
       printf("[.] HTTPS.........: subconnection #2
(%s)\n",lpszServerName);
       printf("[.] HTTPS.........: retrieving hash ticket\n");
      }
//      printf("[.] HTTPS.........: lpszHeaders:%s\n",lpszHeaders);
     }
     hOpen = InternetOpen("soleet",0,0,0,0);
     if (hOpen==0)
     {
      if (vb2!=0)
       printf("[.] HTTPS.........: InternetOpen error
(%d)\n",WSAGetLastError());
      done(s);return -1;
     }
     hCon =
InternetConnect(hOpen,lpszServerName,INTERNET_DEFAULT_HTTPS_PORT,"","",INTER
NET_SERVICE_HTTP,0,0);
     if (hCon==0)
     {
      if (vb2!=0)
       printf("[.] HTTPS.........: InternetConnect error
(%d)\n",WSAGetLastError());
      done(s);return -1;
     }
     hDo =
HttpOpenRequest(hCon,"GET",lpszObjectName,"HTTP/1.1","",NULL,INTERNET_FLAG_S
ECURE,0);
     if (hDo==0)
     {
      if (vb2!=0)
       printf("[.] HTTPS.........: HttpOpenRequest error
(%d)\n",WSAGetLastError());
      done(s);return -1;
     }
     if (HttpSendRequest(hDo,(char
*)lpszHeaders,dwHeadersLength,0,0)==FALSE)
     {
      if (vb2!=0)
       printf("[.] HTTPS.........: HttpSendRequest error
(%d)\n",WSAGetLastError());
      done(s);return -1;
     }
     if
(HttpQueryInfo(hDo,HTTP_QUERY_RAW_HEADERS_CRLF,header1,&header1l,NULL)==FALS
E)
     {
      if (vb2!=0)
       printf("[.] HTTPS.........: HttpQueryInfo error
(%d)\n",WSAGetLastError());
      done(s);return -1;
     }
/*     if (Https2==0)
      printf("[.] HTTPS.........: header:%s\n",header1);
     else
      printf("[.] HTTPS.........: header:%s\n",header1);
*/     char *pch = strtok((char *)header1,"\n");
     while (pch != NULL)
     {
      if (strstr(pch,"DALogin=")&&Https2==0)
      {
       if (vb2!=0)
        printf("[.] HTTPS.........: retrieving login server
(success)\n");
       for
(i=43,j=0;pch[i]!=47;i++,j++){memset(chstring2+j,pch[i],1);}
       for
(i=i,j=0;pch[i]!=44;i++,j++){memset(chstring3+j,pch[i],1);}
//       printf("%s   test:%s        \n",lpszServerName,pch);
//       printf("%s   test:%s        \n",lpszServerName,chstring3);
//       return 0;
      }
      else if (strstr(pch,"Authentication-Info")&&Https2!=0)
      {
       if (vb2!=0)
        printf("[.] HTTPS.........: retrieving hash ticket
(success)\n");
       for
(i=60,j=0;pch[i]!=39;i++,j++){memset(chstring4+j,pch[i],1);}
//       printf("%s   test:%s        \n",lpszServerName,pch);
//       return 0;
      }
      else if (strstr(pch,"401 Unauthorized"))
      {
       printf("[.] HTTPS.........: unauthorized (login/passwd)\n");
       done(s);return -1;
      }
      else if (strstr(pch,"400 Bad"))
      {
       printf("[.] HTTPS.........: 400 Bad Request\n");
       done(s);return -1;
      }
      pch = strtok (NULL,"\n");
     }
     InternetCloseHandle(hOpen);
     if (Https2==0){
      Https2=1;goto https2;}
     else{
      if (strlen(chstring4)<=10){
       printf("[.] HTTPS.........: unknown reply\n");
       done(s);return -1;
      }
      rc=0;memset(recvbuf,0,sizeof(recvbuf));
      sprintf(spy4,"USR 18 TWN S %s\r\n",chstring4);
      if (send(s,spy4,strlen(spy4),0)==-1){
       if (vb2!=0)
        printf("[.] Connected.....: ERR|send1
(%d)\n",WSAGetLastError());
       done(s);return -1;
      }
      switch(select(s+1,&mask1,NULL,NULL,&timeout2))
      {
       case -1: {
        if (vb2!=0)
         printf("[.] Connected.....: ERR|select4
(%d)\n",WSAGetLastError());
        done(s);return -1;
          }
       case 0: {
        if (vb2!=0)
         printf("[.] Connected.....: ERR|select4 (nothing
received)\n");
        done(s);return -1;
         }
       default:
        rc=recv(s,recvbuf,sizeof(recvbuf),0);
      }
      if (rc<1){
       if (vb2!=0)
        printf("[.] Connected.....: ERR|recv4 (wrong
data:%d)\n",WSAGetLastError());
       done(s);return -1;
      }
      else
      {
       if (vb2!=0)
        printf("[.] Connected.....: buffer #4\n");
       if (strstr(recvbuf,"USR")&&strstr(recvbuf,"OK"))
       {
        printf("[.] Connected.....: login OK\n");
       }
       else
       {
        printf("[.] Connected.....: unknown status\n");
       }
      }
      InternetCloseHandle(hOpen);
     }
    }
    else
    {
     if (strstr(recvbuf,"931"))
      if (vb2!=0)
       printf("[.] Connected.....: forbidden\n");
     else if (strstr(recvbuf,"911"))
      if (vb2!=0)
       printf("[.] Connected.....: 911!\n");
     else if (vb2!=0)
      printf("[.] Connected.....: unknown reply:%s\n",recvbuf);
    }
   }
 }
 done(s);return 0;
}

void ver(){
 printf("\n
=============================================[v0.1.public]===\n");
 printf("        ===================Tiny MSN Client
Fuzzer====================\n");
 printf("
=============================================================\n");
}

void usage(){
 printf("                                    USAGE\n");
 printf("
=============================================================\n\n");
 printf("[+]  . MSN_fuzzer login password  [-v|-vv]\n");
 printf("[+]  . MSN_fuzzer [ip/hostname] port login password
[-v|-vv]\n\n");
 foot();
}

void error(){
 printf("                                    ERROR\n");
 printf("
=============================================================\n\n");
 printf("[.] Syntax error, check the usage and try again...\n\n");
 foot();
}

void foot(){
 printf("                     visit class101.org for more
informations\n");
}

void done(SOCKET s){
 printf("[.] Disconnection..\n");
 closesocket(s);
}


****************************************************************
KEY: 0xA7C69C5F
PRINT: 694C 3495 BCC4 2F8B D794  6BD4 AF8B 457B A7C6 9C5F
****************************************************************

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