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Module: Msf::Exploit::KernelMode
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<div id="content"><h1>Module: Msf::Exploit::KernelMode
</h1>
<div class="box_info">
<dl>
<dt>Defined in:</dt>
<dd>lib/msf/core/exploit/kernel_mode.rb</dd>
</dl>
</div>
<h2>
Instance Method Summary
<small><a href="#" class="summary_toggle">collapse</a></small>
</h2>
<ul class="summary">
<li class="protected ">
<span class="summary_signature">
<a href="#encapsulate_kernel_payload-instance_method" title="#encapsulate_kernel_payload (instance method)">#<strong>encapsulate_kernel_payload</strong>(reqs, raw) &#x21d2; Object </a>
</span>
<span class="note title protected">protected</span>
<span class="summary_desc"><div class='inline'>
<p>Encapsulates the supplied raw payload within a kernel-mode payload.</p>
</div></span>
</li>
<li class="public ">
<span class="summary_signature">
<a href="#encode_begin-instance_method" title="#encode_begin (instance method)">#<strong>encode_begin</strong>(real_payload, reqs) &#x21d2; Object </a>
</span>
<span class="summary_desc"><div class='inline'>
<p>The way that the kernel-mode mixin works is by replacing the payload to be encoded with one that encapsulates the kernel-mode payload as well.</p>
</div></span>
</li>
<li class="public ">
<span class="summary_signature">
<a href="#wfs_delay-instance_method" title="#wfs_delay (instance method)">#<strong>wfs_delay</strong> &#x21d2; Object </a>
</span>
<span class="summary_desc"><div class='inline'>
<p>Increase the default delay by five seconds since some kernel-mode payloads may not run immediately.</p>
</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="encapsulate_kernel_payload-instance_method">
#<strong>encapsulate_kernel_payload</strong>(reqs, raw) &#x21d2; <tt>Object</tt> <span class="extras">(protected)</span>
</h3><div class="docstring">
<div class="discussion">
<p>Encapsulates the supplied raw payload within a kernel-mode payload.</p>
</div>
</div>
<div class="tags">
</div><table class="source_code">
<tr>
<td>
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<pre class="code"><span class="info file"># File 'lib/msf/core/exploit/kernel_mode.rb', line 33</span>
<span class='kw'>def</span> <span class='id identifier rubyid_encapsulate_kernel_payload'>encapsulate_kernel_payload</span><span class='lparen'>(</span><span class='id identifier rubyid_reqs'>reqs</span><span class='comma'>,</span> <span class='id identifier rubyid_raw'>raw</span><span class='rparen'>)</span>
<span class='id identifier rubyid_new_raw'>new_raw</span> <span class='op'>=</span> <span class='kw'>nil</span>
<span class='id identifier rubyid_ext_opt'>ext_opt</span> <span class='op'>=</span> <span class='id identifier rubyid_reqs'>reqs</span><span class='lbracket'>[</span><span class='tstring'><span class='tstring_beg'>&#39;</span><span class='tstring_content'>ExtendedOptions</span><span class='tstring_end'>&#39;</span></span><span class='rbracket'>]</span> <span class='op'>||</span> <span class='lbrace'>{</span><span class='rbrace'>}</span>
<span class='comment'># Prepend and append any buffers that were specified in the extended
</span> <span class='comment'># options. This can be used do perform stack adjustments and other
</span> <span class='comment'># such things against the user-mode payload rather than the
</span> <span class='comment'># encapsulating payload.
</span> <span class='id identifier rubyid_raw'>raw</span> <span class='op'>=</span>
<span class='lparen'>(</span><span class='id identifier rubyid_ext_opt'>ext_opt</span><span class='lbracket'>[</span><span class='tstring'><span class='tstring_beg'>&#39;</span><span class='tstring_content'>PrependUser</span><span class='tstring_end'>&#39;</span></span><span class='rbracket'>]</span> <span class='op'>||</span> <span class='tstring'><span class='tstring_beg'>&#39;</span><span class='tstring_end'>&#39;</span></span><span class='rparen'>)</span> <span class='op'>+</span>
<span class='id identifier rubyid_raw'>raw</span> <span class='op'>+</span>
<span class='lparen'>(</span><span class='id identifier rubyid_ext_opt'>ext_opt</span><span class='lbracket'>[</span><span class='tstring'><span class='tstring_beg'>&#39;</span><span class='tstring_content'>AppendUser</span><span class='tstring_end'>&#39;</span></span><span class='rbracket'>]</span> <span class='op'>||</span> <span class='tstring'><span class='tstring_beg'>&#39;</span><span class='tstring_end'>&#39;</span></span><span class='rparen'>)</span>
<span class='comment'># If this is a win32 target platform, try to encapsulate it in a
</span> <span class='comment'># win32 kernel-mode payload.
</span> <span class='kw'>if</span> <span class='id identifier rubyid_target_platform'>target_platform</span><span class='period'>.</span><span class='id identifier rubyid_supports?'>supports?</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/PlatformList.html" title="Msf::Module::PlatformList (class)">PlatformList</a></span></span><span class='period'>.</span><span class='id identifier rubyid_win32'><span class='object_link'><a href="../Module/PlatformList.html#win32-class_method" title="Msf::Module::PlatformList.win32 (method)">win32</a></span></span><span class='rparen'>)</span>
<span class='id identifier rubyid_ext_opt'>ext_opt</span><span class='lbracket'>[</span><span class='tstring'><span class='tstring_beg'>&#39;</span><span class='tstring_content'>UserModeStub</span><span class='tstring_end'>&#39;</span></span><span class='rbracket'>]</span> <span class='op'>=</span> <span class='id identifier rubyid_raw'>raw</span>
<span class='id identifier rubyid_new_raw'>new_raw</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'><span class='object_link'><a href="../../Rex/Payloads.html" title="Rex::Payloads (module)">Payloads</a></span></span><span class='op'>::</span><span class='const'><span class='object_link'><a href="../../Rex/Payloads/Win32.html" title="Rex::Payloads::Win32 (module)">Win32</a></span></span><span class='op'>::</span><span class='const'><span class='object_link'><a href="../../Rex/Payloads/Win32/Kernel.html" title="Rex::Payloads::Win32::Kernel (module)">Kernel</a></span></span><span class='period'>.</span><span class='id identifier rubyid_construct'><span class='object_link'><a href="../../Rex/Payloads/Win32/Kernel.html#construct-class_method" title="Rex::Payloads::Win32::Kernel.construct (method)">construct</a></span></span><span class='lparen'>(</span><span class='id identifier rubyid_ext_opt'>ext_opt</span><span class='rparen'>)</span>
<span class='kw'>end</span>
<span class='comment'># If we did not generate a new payload, then something broke.
</span> <span class='kw'>if</span> <span class='id identifier rubyid_new_raw'>new_raw</span><span class='period'>.</span><span class='id identifier rubyid_nil?'>nil?</span>
<span class='id identifier rubyid_raise'>raise</span> <span class='const'>RuntimeError</span><span class='comma'>,</span> <span class='tstring'><span class='tstring_beg'>&quot;</span><span class='tstring_content'>Could not encapsulate payload in kernel-mode payload</span><span class='tstring_end'>&quot;</span></span>
<span class='kw'>else</span>
<span class='id identifier rubyid_dlog'><span class='object_link'><a href="../../top-level-namespace.html#dlog-instance_method" title="#dlog (method)">dlog</a></span></span><span class='lparen'>(</span><span class='tstring'><span class='tstring_beg'>&quot;</span><span class='tstring_content'>Encapsulated user-mode payload size </span><span class='embexpr_beg'>#{</span><span class='id identifier rubyid_raw'>raw</span><span class='period'>.</span><span class='id identifier rubyid_length'>length</span><span class='embexpr_end'>}</span><span class='tstring_content'> in kernel-mode payload size </span><span class='embexpr_beg'>#{</span><span class='id identifier rubyid_new_raw'>new_raw</span><span class='period'>.</span><span class='id identifier rubyid_length'>length</span><span class='embexpr_end'>}</span><span class='tstring_end'>&quot;</span></span><span class='comma'>,</span> <span class='tstring'><span class='tstring_beg'>&#39;</span><span class='tstring_content'>core</span><span class='tstring_end'>&#39;</span></span><span class='comma'>,</span> <span class='const'><span class='object_link'><a href="../../Rex/Logging.html#LEV_1-constant" title="Rex::Logging::LEV_1 (constant)">LEV_1</a></span></span><span class='rparen'>)</span>
<span class='kw'>end</span>
<span class='id identifier rubyid_new_raw'>new_raw</span>
<span class='kw'>end</span></pre>
</td>
</tr>
</table>
</div>
<div class="method_details ">
<h3 class="signature " id="encode_begin-instance_method">
#<strong>encode_begin</strong>(real_payload, reqs) &#x21d2; <tt>Object</tt>
</h3><div class="docstring">
<div class="discussion">
<p>The way that the kernel-mode mixin works is by replacing the payload to be encoded with one that encapsulates the kernel-mode payload as well.</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/kernel_mode.rb', line 12</span>
<span class='kw'>def</span> <span class='id identifier rubyid_encode_begin'>encode_begin</span><span class='lparen'>(</span><span class='id identifier rubyid_real_payload'>real_payload</span><span class='comma'>,</span> <span class='id identifier rubyid_reqs'>reqs</span><span class='rparen'>)</span>
<span class='kw'>super</span>
<span class='id identifier rubyid_reqs'>reqs</span><span class='lbracket'>[</span><span class='tstring'><span class='tstring_beg'>&#39;</span><span class='tstring_content'>EncapsulationRoutine</span><span class='tstring_end'>&#39;</span></span><span class='rbracket'>]</span> <span class='op'>=</span> <span class='const'>Proc</span><span class='period'>.</span><span class='id identifier rubyid_new'>new</span> <span class='lbrace'>{</span> <span class='op'>|</span><span class='id identifier rubyid_reqs_'>reqs_</span><span class='comma'>,</span> <span class='id identifier rubyid_raw'>raw</span><span class='op'>|</span>
<span class='id identifier rubyid_encapsulate_kernel_payload'>encapsulate_kernel_payload</span><span class='lparen'>(</span><span class='id identifier rubyid_reqs_'>reqs_</span><span class='comma'>,</span> <span class='id identifier rubyid_raw'>raw</span><span class='rparen'>)</span>
<span class='rbrace'>}</span>
<span class='kw'>end</span></pre>
</td>
</tr>
</table>
</div>
<div class="method_details ">
<h3 class="signature " id="wfs_delay-instance_method">
#<strong>wfs_delay</strong> &#x21d2; <tt>Object</tt>
</h3><div class="docstring">
<div class="discussion">
<p>Increase the default delay by five seconds since some kernel-mode payloads may not run immediately.</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/kernel_mode.rb', line 24</span>
<span class='kw'>def</span> <span class='id identifier rubyid_wfs_delay'>wfs_delay</span>
<span class='kw'>super</span> <span class='op'>+</span> <span class='int'>5</span>
<span class='kw'>end</span></pre>
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0.9.37 (ruby-3.1.5).
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