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Module: Msf::Exploit::Remote::Smtp
&mdash; Documentation by YARD 0.9.37
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<a href="../../../_index.html">Index (S)</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'><span class='object_link'><a href="../Remote.html" title="Msf::Exploit::Remote (class)">Remote</a></span></span>
&raquo;
<span class="title">Smtp</span>
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<div id="content"><h1>Module: Msf::Exploit::Remote::Smtp
</h1>
<div class="box_info">
<dl>
<dt>Includes:</dt>
<dd><span class='object_link'><a href="Tcp.html" title="Msf::Exploit::Remote::Tcp (module)">Tcp</a></span></dd>
</dl>
<dl>
<dt>Defined in:</dt>
<dd>lib/msf/core/exploit/remote/smtp.rb</dd>
</dl>
</div>
<h2>Overview</h2><div class="docstring">
<div class="discussion">
<p>This module exposes methods that may be useful to exploits that deal with servers that speak the SMTP protocol.</p>
</div>
</div>
<div class="tags">
</div>
<h2>Instance Attribute Summary <small><a href="#" class="summary_toggle">collapse</a></small></h2>
<ul class="summary">
<li class="protected ">
<span class="summary_signature">
<a href="#banner-instance_method" title="#banner (instance method)">#<strong>banner</strong> &#x21d2; Object </a>
</span>
<span class="note title protected">protected</span>
<span class="summary_desc"><div class='inline'>
<p>This attribute holds the banner that was read in after a successful call to connect or connect_login.</p>
</div></span>
</li>
</ul>
<h3 class="inherited">Attributes included from <span class='object_link'><a href="Tcp.html" title="Msf::Exploit::Remote::Tcp (module)">Tcp</a></span></h3>
<p class="inherited"><span class='object_link'><a href="Tcp.html#sock-instance_method" title="Msf::Exploit::Remote::Tcp#sock (method)">#sock</a></span></p>
<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="#connect-instance_method" title="#connect (instance method)">#<strong>connect</strong>(global = true) &#x21d2; Object </a>
</span>
<span class="summary_desc"><div class='inline'>
<p>This method establishes a SMTP connection to host and port specified by the RHOST and RPORT options, respectively.</p>
</div></span>
</li>
<li class="public ">
<span class="summary_signature">
<a href="#connect_login-instance_method" title="#connect_login (instance method)">#<strong>connect_login</strong>(global = true) &#x21d2; Object </a>
</span>
<span class="summary_desc"><div class='inline'>
<p>Connect to the remote SMTP server, and begin a DATA transfer.</p>
</div></span>
</li>
<li class="public ">
<span class="summary_signature">
<a href="#initialize-instance_method" title="#initialize (instance method)">#<strong>initialize</strong>(info = {}) &#x21d2; Object </a>
</span>
<span class="summary_desc"><div class='inline'>
<p>Creates an instance of an SMTP exploit module.</p>
</div></span>
</li>
<li class="public ">
<span class="summary_signature">
<a href="#raw_send_recv-instance_method" title="#raw_send_recv (instance method)">#<strong>raw_send_recv</strong>(cmd, nsock = self.sock) &#x21d2; Object </a>
</span>
<span class="summary_desc"><div class='inline'>
<p>This method transmits an IMAP command and waits for a response.</p>
</div></span>
</li>
</ul>
<h3 class="inherited">Methods included from <span class='object_link'><a href="Tcp.html" title="Msf::Exploit::Remote::Tcp (module)">Tcp</a></span></h3>
<p class="inherited"><span class='object_link'><a href="Tcp.html#chost-instance_method" title="Msf::Exploit::Remote::Tcp#chost (method)">#chost</a></span>, <span class='object_link'><a href="Tcp.html#cleanup-instance_method" title="Msf::Exploit::Remote::Tcp#cleanup (method)">#cleanup</a></span>, <span class='object_link'><a href="Tcp.html#connect_timeout-instance_method" title="Msf::Exploit::Remote::Tcp#connect_timeout (method)">#connect_timeout</a></span>, <span class='object_link'><a href="Tcp.html#cport-instance_method" title="Msf::Exploit::Remote::Tcp#cport (method)">#cport</a></span>, <span class='object_link'><a href="Tcp.html#disconnect-instance_method" title="Msf::Exploit::Remote::Tcp#disconnect (method)">#disconnect</a></span>, <span class='object_link'><a href="Tcp.html#handler-instance_method" title="Msf::Exploit::Remote::Tcp#handler (method)">#handler</a></span>, <span class='object_link'><a href="Tcp.html#lhost-instance_method" title="Msf::Exploit::Remote::Tcp#lhost (method)">#lhost</a></span>, <span class='object_link'><a href="Tcp.html#lport-instance_method" title="Msf::Exploit::Remote::Tcp#lport (method)">#lport</a></span>, <span class='object_link'><a href="Tcp.html#peer-instance_method" title="Msf::Exploit::Remote::Tcp#peer (method)">#peer</a></span>, <span class='object_link'><a href="Tcp.html#print_prefix-instance_method" title="Msf::Exploit::Remote::Tcp#print_prefix (method)">#print_prefix</a></span>, <span class='object_link'><a href="Tcp.html#proxies-instance_method" title="Msf::Exploit::Remote::Tcp#proxies (method)">#proxies</a></span>, <span class='object_link'><a href="Tcp.html#replicant-instance_method" title="Msf::Exploit::Remote::Tcp#replicant (method)">#replicant</a></span>, <span class='object_link'><a href="Tcp.html#rhost-instance_method" title="Msf::Exploit::Remote::Tcp#rhost (method)">#rhost</a></span>, <span class='object_link'><a href="Tcp.html#rport-instance_method" title="Msf::Exploit::Remote::Tcp#rport (method)">#rport</a></span>, <span class='object_link'><a href="Tcp.html#set_tcp_evasions-instance_method" title="Msf::Exploit::Remote::Tcp#set_tcp_evasions (method)">#set_tcp_evasions</a></span>, <span class='object_link'><a href="Tcp.html#shutdown-instance_method" title="Msf::Exploit::Remote::Tcp#shutdown (method)">#shutdown</a></span>, <span class='object_link'><a href="Tcp.html#ssl-instance_method" title="Msf::Exploit::Remote::Tcp#ssl (method)">#ssl</a></span>, <span class='object_link'><a href="Tcp.html#ssl_cipher-instance_method" title="Msf::Exploit::Remote::Tcp#ssl_cipher (method)">#ssl_cipher</a></span>, <span class='object_link'><a href="Tcp.html#ssl_verify_mode-instance_method" title="Msf::Exploit::Remote::Tcp#ssl_verify_mode (method)">#ssl_verify_mode</a></span>, <span class='object_link'><a href="Tcp.html#ssl_version-instance_method" title="Msf::Exploit::Remote::Tcp#ssl_version (method)">#ssl_version</a></span>, <span class='object_link'><a href="Tcp.html#sslkeylogfile-instance_method" title="Msf::Exploit::Remote::Tcp#sslkeylogfile (method)">#sslkeylogfile</a></span></p>
<div id="instance_attr_details" class="attr_details">
<h2>Instance Attribute Details</h2>
<span id="banner=-instance_method"></span>
<div class="method_details first">
<h3 class="signature first" id="banner-instance_method">
#<strong>banner</strong> &#x21d2; <tt>Object</tt> <span class="extras">(protected)</span>
</h3><div class="docstring">
<div class="discussion">
<p>This attribute holds the banner that was read in after a successful call to connect or connect_login.</p>
</div>
</div>
<div class="tags">
</div><table class="source_code">
<tr>
<td>
<pre class="lines">
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<td>
<pre class="code"><span class="info file"># File 'lib/msf/core/exploit/remote/smtp.rb', line 76</span>
<span class='kw'>def</span> <span class='id identifier rubyid_banner'>banner</span>
<span class='ivar'>@banner</span>
<span class='kw'>end</span></pre>
</td>
</tr>
</table>
</div>
</div>
<div id="instance_method_details" class="method_details_list">
<h2>Instance Method Details</h2>
<div class="method_details first">
<h3 class="signature first" id="connect-instance_method">
#<strong>connect</strong>(global = true) &#x21d2; <tt>Object</tt>
</h3><div class="docstring">
<div class="discussion">
<p>This method establishes a SMTP connection to host and port specified by the RHOST and RPORT options, respectively. After connecting, the banner message is read in and stored in the ‘banner’ attribute.</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/remote/smtp.rb', line 38</span>
<span class='kw'>def</span> <span class='id identifier rubyid_connect'>connect</span><span class='lparen'>(</span><span class='id identifier rubyid_global'>global</span> <span class='op'>=</span> <span class='kw'>true</span><span class='rparen'>)</span>
<span class='id identifier rubyid_fd'>fd</span> <span class='op'>=</span> <span class='kw'>super</span>
<span class='comment'># Wait for a banner to arrive...
</span> <span class='kw'>self</span><span class='period'>.</span><span class='id identifier rubyid_banner'>banner</span> <span class='op'>=</span> <span class='id identifier rubyid_fd'>fd</span><span class='period'>.</span><span class='id identifier rubyid_get_once'>get_once</span><span class='lparen'>(</span><span class='op'>-</span><span class='int'>1</span><span class='comma'>,</span> <span class='int'>30</span><span class='rparen'>)</span>
<span class='comment'># Return the file descriptor to the caller
</span> <span class='id identifier rubyid_fd'>fd</span>
<span class='kw'>end</span></pre>
</td>
</tr>
</table>
</div>
<div class="method_details ">
<h3 class="signature " id="connect_login-instance_method">
#<strong>connect_login</strong>(global = true) &#x21d2; <tt>Object</tt>
</h3><div class="docstring">
<div class="discussion">
<p>Connect to the remote SMTP server, and begin a DATA transfer</p>
</div>
</div>
<div class="tags">
</div><table class="source_code">
<tr>
<td>
<pre class="lines">
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<td>
<pre class="code"><span class="info file"># File 'lib/msf/core/exploit/remote/smtp.rb', line 50</span>
<span class='kw'>def</span> <span class='id identifier rubyid_connect_login'>connect_login</span><span class='lparen'>(</span><span class='id identifier rubyid_global'>global</span> <span class='op'>=</span> <span class='kw'>true</span><span class='rparen'>)</span>
<span class='id identifier rubyid_smtpsock'>smtpsock</span> <span class='op'>=</span> <span class='id identifier rubyid_connect'>connect</span><span class='lparen'>(</span><span class='id identifier rubyid_global'>global</span><span class='rparen'>)</span>
<span class='id identifier rubyid_raw_send_recv'>raw_send_recv</span><span class='lparen'>(</span><span class='tstring'><span class='tstring_beg'>&quot;</span><span class='tstring_content'>EHLO X\r\n</span><span class='tstring_end'>&quot;</span></span><span class='rparen'>)</span>
<span class='id identifier rubyid_raw_send_recv'>raw_send_recv</span><span class='lparen'>(</span><span class='tstring'><span class='tstring_beg'>&quot;</span><span class='tstring_content'>MAIL FROM: </span><span class='embexpr_beg'>#{</span><span class='id identifier rubyid_datastore'>datastore</span><span class='lbracket'>[</span><span class='tstring'><span class='tstring_beg'>&#39;</span><span class='tstring_content'>MAILFROM</span><span class='tstring_end'>&#39;</span></span><span class='rbracket'>]</span><span class='embexpr_end'>}</span><span class='tstring_content'>\r\n</span><span class='tstring_end'>&quot;</span></span><span class='rparen'>)</span>
<span class='id identifier rubyid_raw_send_recv'>raw_send_recv</span><span class='lparen'>(</span><span class='tstring'><span class='tstring_beg'>&quot;</span><span class='tstring_content'>RCPT TO: </span><span class='embexpr_beg'>#{</span><span class='id identifier rubyid_datastore'>datastore</span><span class='lbracket'>[</span><span class='tstring'><span class='tstring_beg'>&#39;</span><span class='tstring_content'>MAILTO</span><span class='tstring_end'>&#39;</span></span><span class='rbracket'>]</span><span class='embexpr_end'>}</span><span class='tstring_content'>\r\n</span><span class='tstring_end'>&quot;</span></span><span class='rparen'>)</span>
<span class='id identifier rubyid_raw_send_recv'>raw_send_recv</span><span class='lparen'>(</span><span class='tstring'><span class='tstring_beg'>&quot;</span><span class='tstring_content'>DATA\r\n</span><span class='tstring_end'>&quot;</span></span><span class='rparen'>)</span>
<span class='kw'>return</span> <span class='kw'>true</span>
<span class='kw'>end</span></pre>
</td>
</tr>
</table>
</div>
<div class="method_details ">
<h3 class="signature " id="initialize-instance_method">
#<strong>initialize</strong>(info = {}) &#x21d2; <tt>Object</tt>
</h3><div class="docstring">
<div class="discussion">
<p>Creates an instance of an SMTP exploit module.</p>
</div>
</div>
<div class="tags">
</div><table class="source_code">
<tr>
<td>
<pre class="lines">
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<td>
<pre class="code"><span class="info file"># File 'lib/msf/core/exploit/remote/smtp.rb', line 18</span>
<span class='kw'>def</span> <span class='id identifier rubyid_initialize'>initialize</span><span class='lparen'>(</span><span class='id identifier rubyid_info'>info</span> <span class='op'>=</span> <span class='lbrace'>{</span><span class='rbrace'>}</span><span class='rparen'>)</span>
<span class='kw'>super</span>
<span class='comment'># Register the options that all SMTP exploits may make use of.
</span> <span class='id identifier rubyid_register_options'>register_options</span><span class='lparen'>(</span>
<span class='lbracket'>[</span>
<span class='const'><span class='object_link'><a href="../../Opt.html" title="Msf::Opt (module)">Opt</a></span></span><span class='op'>::</span><span class='const'><span class='object_link'><a href="../../Opt.html#RHOST-constant" title="Msf::Opt::RHOST (constant)">RHOST</a></span></span><span class='comma'>,</span>
<span class='const'><span class='object_link'><a href="../../Opt.html" title="Msf::Opt (module)">Opt</a></span></span><span class='op'>::</span><span class='const'><span class='object_link'><a href="../../Opt.html#RPORT-constant" title="Msf::Opt::RPORT (constant)">RPORT</a></span></span><span class='lparen'>(</span><span class='int'>25</span><span class='rparen'>)</span><span class='comma'>,</span>
<span class='const'><span class='object_link'><a href="../../OptString.html" title="Msf::OptString (class)">OptString</a></span></span><span class='period'>.</span><span class='id identifier rubyid_new'><span class='object_link'><a href="../../OptString.html#initialize-instance_method" title="Msf::OptString#initialize (method)">new</a></span></span><span class='lparen'>(</span><span class='tstring'><span class='tstring_beg'>&#39;</span><span class='tstring_content'>MAILFROM</span><span class='tstring_end'>&#39;</span></span><span class='comma'>,</span> <span class='lbracket'>[</span> <span class='kw'>true</span><span class='comma'>,</span> <span class='tstring'><span class='tstring_beg'>&#39;</span><span class='tstring_content'>FROM address of the e-mail</span><span class='tstring_end'>&#39;</span></span><span class='comma'>,</span> <span class='tstring'><span class='tstring_beg'>&#39;</span><span class='tstring_content'>sender@example.com</span><span class='tstring_end'>&#39;</span></span><span class='rbracket'>]</span><span class='rparen'>)</span><span class='comma'>,</span>
<span class='const'><span class='object_link'><a href="../../OptString.html" title="Msf::OptString (class)">OptString</a></span></span><span class='period'>.</span><span class='id identifier rubyid_new'><span class='object_link'><a href="../../OptString.html#initialize-instance_method" title="Msf::OptString#initialize (method)">new</a></span></span><span class='lparen'>(</span><span class='tstring'><span class='tstring_beg'>&#39;</span><span class='tstring_content'>MAILTO</span><span class='tstring_end'>&#39;</span></span><span class='comma'>,</span> <span class='lbracket'>[</span> <span class='kw'>true</span><span class='comma'>,</span> <span class='tstring'><span class='tstring_beg'>&#39;</span><span class='tstring_content'>TO address of the e-mail</span><span class='tstring_end'>&#39;</span></span><span class='comma'>,</span> <span class='tstring'><span class='tstring_beg'>&#39;</span><span class='tstring_content'>target@example.com</span><span class='tstring_end'>&#39;</span></span><span class='rbracket'>]</span><span class='rparen'>)</span><span class='comma'>,</span>
<span class='rbracket'>]</span><span class='comma'>,</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="../../Exploit.html" title="Msf::Exploit (class)">Exploit</a></span></span><span class='op'>::</span><span class='const'><span class='object_link'><a href="../Remote.html" title="Msf::Exploit::Remote (class)">Remote</a></span></span><span class='op'>::</span><span class='const'><span class='object_link'><a href="" title="Msf::Exploit::Remote::Smtp (module)">Smtp</a></span></span><span class='rparen'>)</span>
<span class='id identifier rubyid_register_autofilter_ports'>register_autofilter_ports</span><span class='lparen'>(</span><span class='lbracket'>[</span> <span class='int'>25</span><span class='comma'>,</span> <span class='int'>465</span><span class='comma'>,</span> <span class='int'>587</span><span class='comma'>,</span> <span class='int'>2525</span><span class='comma'>,</span> <span class='int'>25025</span><span class='comma'>,</span> <span class='int'>25000</span><span class='rbracket'>]</span><span class='rparen'>)</span>
<span class='id identifier rubyid_register_autofilter_services'>register_autofilter_services</span><span class='lparen'>(</span><span class='words_beg'>%W{</span><span class='words_sep'> </span><span class='tstring_content'>smtp</span><span class='words_sep'> </span><span class='tstring_content'>smtps</span><span class='tstring_end'>}</span></span><span class='rparen'>)</span>
<span class='kw'>end</span></pre>
</td>
</tr>
</table>
</div>
<div class="method_details ">
<h3 class="signature " id="raw_send_recv-instance_method">
#<strong>raw_send_recv</strong>(cmd, nsock = self.sock) &#x21d2; <tt>Object</tt>
</h3><div class="docstring">
<div class="discussion">
<p>This method transmits an IMAP command and waits for a response. If one is received, it is returned to the caller.</p>
</div>
</div>
<div class="tags">
</div><table class="source_code">
<tr>
<td>
<pre class="lines">
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<pre class="code"><span class="info file"># File 'lib/msf/core/exploit/remote/smtp.rb', line 65</span>
<span class='kw'>def</span> <span class='id identifier rubyid_raw_send_recv'>raw_send_recv</span><span class='lparen'>(</span><span class='id identifier rubyid_cmd'>cmd</span><span class='comma'>,</span> <span class='id identifier rubyid_nsock'>nsock</span> <span class='op'>=</span> <span class='kw'>self</span><span class='period'>.</span><span class='id identifier rubyid_sock'>sock</span><span class='rparen'>)</span>
<span class='id identifier rubyid_nsock'>nsock</span><span class='period'>.</span><span class='id identifier rubyid_put'>put</span><span class='lparen'>(</span><span class='id identifier rubyid_cmd'>cmd</span><span class='rparen'>)</span>
<span class='id identifier rubyid_nsock'>nsock</span><span class='period'>.</span><span class='id identifier rubyid_get_once'>get_once</span>
<span class='kw'>end</span></pre>
</td>
</tr>
</table>
</div>
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<div id="footer">
Generated on Fri May 8 17:01:31 2026 by
<a href="https://yardoc.org" title="Yay! A Ruby Documentation Tool" target="_parent">yard</a>
0.9.37 (ruby-3.1.5).
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