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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>
Module: IPSFilter::SocketTracer
&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 = "IPSFilter::SocketTracer";
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>
</head>
<body>
<div class="nav_wrap">
<iframe id="nav" src="../class_list.html?1"></iframe>
<div id="resizer"></div>
</div>
<div id="main" tabindex="-1">
<div id="header">
<div id="menu">
<a href="../_index.html">Index (S)</a> &raquo;
<span class='title'><span class='object_link'><a href="../IPSFilter.html" title="IPSFilter (module)">IPSFilter</a></span></span>
&raquo;
<span class="title">SocketTracer</span>
</div>
<div id="search">
<a class="full_list_link" id="class_list_link"
href="../class_list.html">
<svg width="24" height="24">
<rect x="0" y="4" width="24" height="4" rx="1" ry="1"></rect>
<rect x="0" y="12" width="24" height="4" rx="1" ry="1"></rect>
<rect x="0" y="20" width="24" height="4" rx="1" ry="1"></rect>
</svg>
</a>
</div>
<div class="clear"></div>
</div>
<div id="content"><h1>Module: IPSFilter::SocketTracer
</h1>
<div class="box_info">
<dl>
<dt>Defined in:</dt>
<dd>plugins/ips_filter.rb</dd>
</dl>
</div>
<h2>
Constant Summary
<small><a href="#" class="constants_summary_toggle">collapse</a></small>
</h2>
<dl class="constants">
<dt id="SIGS-constant" class="">SIGS =
<div class="docstring">
<div class="discussion">
<p>Extend this as needed :-)</p>
</div>
</div>
<div class="tags">
</div>
</dt>
<dd><pre class="code"><span class='lbracket'>[</span>
<span class='lbracket'>[</span><span class='tstring'><span class='tstring_beg'>&#39;</span><span class='tstring_content'>DCOM.C</span><span class='tstring_end'>&#39;</span></span><span class='comma'>,</span> <span class='tstring'><span class='tstring_beg'>&quot;</span><span class='tstring_content'>.*\\\x5c\x00\\\x5c\x00\x46\x00\x58\x00\x4e\x00\x42\x00\x46\x00\x58\x00\x46\x00\x58\x00.*\xcc\xe0\xfd\x7f.*</span><span class='tstring_end'>&quot;</span></span><span class='rbracket'>]</span><span class='comma'>,</span>
<span class='lbracket'>[</span><span class='tstring'><span class='tstring_beg'>&#39;</span><span class='tstring_content'>BLASTER</span><span class='tstring_end'>&#39;</span></span><span class='comma'>,</span> <span class='tstring'><span class='tstring_beg'>&quot;</span><span class='tstring_content'>.*\\\x5c\x00\\\x5c\x00\x46\x00\x58\x00\x4e\x00\x42\x00\x46\x00\x58\x00\x46\x00\x58\x00.*\xcc\xe0\xfd\x7f.*</span><span class='tstring_end'>&quot;</span></span><span class='rbracket'>]</span><span class='comma'>,</span>
<span class='lbracket'>[</span><span class='tstring'><span class='tstring_beg'>&#39;</span><span class='tstring_content'>REMACT</span><span class='tstring_end'>&#39;</span></span><span class='comma'>,</span> <span class='tstring'><span class='tstring_beg'>&quot;</span><span class='tstring_content'>.*\xb8\x4a\x9f\x4d\x1c\\}\xcf\x11\x86\x1e\x00\x20\xaf\x6e.*</span><span class='tstring_end'>&quot;</span></span><span class='rbracket'>]</span><span class='comma'>,</span>
<span class='lbracket'>[</span><span class='tstring'><span class='tstring_beg'>&#39;</span><span class='tstring_content'>x86 NOP SLED</span><span class='tstring_end'>&#39;</span></span><span class='comma'>,</span> <span class='tstring'><span class='tstring_beg'>&quot;</span><span class='tstring_content'>\x90\x90</span><span class='tstring_end'>&quot;</span></span><span class='rbracket'>]</span><span class='comma'>,</span>
<span class='rbracket'>]</span><span class='period'>.</span><span class='id identifier rubyid_freeze'>freeze</span></pre></dd>
</dl>
<h2>Instance Attribute Summary <small><a href="#" class="summary_toggle">collapse</a></small></h2>
<ul class="summary">
<li class="public ">
<span class="summary_signature">
<a href="#context-instance_method" title="#context (instance method)">#<strong>context</strong> &#x21d2; Object </a>
</span>
<span class="summary_desc"><div class='inline'>
<p>Returns the value of attribute context.</p>
</div></span>
</li>
</ul>
<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="#ips_match-instance_method" title="#ips_match (instance method)">#<strong>ips_match</strong>(data) &#x21d2; Object </a>
</span>
<span class="summary_desc"><div class='inline'></div></span>
</li>
<li class="public ">
<span class="summary_signature">
<a href="#read-instance_method" title="#read (instance method)">#<strong>read</strong>(length = nil, opts = {}) &#x21d2; Object </a>
</span>
<span class="summary_desc"><div class='inline'>
<p>Hook the read method.</p>
</div></span>
</li>
<li class="public ">
<span class="summary_signature">
<a href="#write-instance_method" title="#write (instance method)">#<strong>write</strong>(buf, opts = {}) &#x21d2; Object </a>
</span>
<span class="summary_desc"><div class='inline'>
<p>Hook the write method.</p>
</div></span>
</li>
</ul>
<div id="instance_attr_details" class="attr_details">
<h2>Instance Attribute Details</h2>
<span id="context=-instance_method"></span>
<div class="method_details first">
<h3 class="signature first" id="context-instance_method">
#<strong>context</strong> &#x21d2; <tt>Object</tt>
</h3><div class="docstring">
<div class="discussion">
<p>Returns the value of attribute context.</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 'plugins/ips_filter.rb', line 55</span>
<span class='kw'>def</span> <span class='id identifier rubyid_context'>context</span>
<span class='ivar'>@context</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="ips_match-instance_method">
#<strong>ips_match</strong>(data) &#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 'plugins/ips_filter.rb', line 75</span>
<span class='kw'>def</span> <span class='id identifier rubyid_ips_match'>ips_match</span><span class='lparen'>(</span><span class='id identifier rubyid_data'>data</span><span class='rparen'>)</span>
<span class='comment'># lp = localport
</span> <span class='comment'># rp = peerport
</span>
<span class='const'><span class='object_link'><a href="#SIGS-constant" title="IPSFilter::SocketTracer::SIGS (constant)">SIGS</a></span></span><span class='period'>.</span><span class='id identifier rubyid_each'>each</span> <span class='kw'>do</span> <span class='op'>|</span><span class='id identifier rubyid_s'>s</span><span class='op'>|</span>
<span class='id identifier rubyid_r'>r</span> <span class='op'>=</span> <span class='const'>Regexp</span><span class='period'>.</span><span class='id identifier rubyid_new'>new</span><span class='lparen'>(</span><span class='id identifier rubyid_s'>s</span><span class='lbracket'>[</span><span class='int'>1</span><span class='rbracket'>]</span><span class='rparen'>)</span>
<span class='kw'>if</span> <span class='id identifier rubyid_data'>data</span><span class='period'>.</span><span class='id identifier rubyid_match'>match</span><span class='lparen'>(</span><span class='id identifier rubyid_r'>r</span><span class='rparen'>)</span>
<span class='id identifier rubyid_print_error'>print_error</span> <span class='tstring'><span class='tstring_beg'>&quot;</span><span class='tstring_content'>Matched IPS signature </span><span class='embexpr_beg'>#{</span><span class='id identifier rubyid_s'>s</span><span class='lbracket'>[</span><span class='int'>0</span><span class='rbracket'>]</span><span class='embexpr_end'>}</span><span class='tstring_end'>&quot;</span></span>
<span class='kw'>return</span> <span class='kw'>true</span>
<span class='kw'>end</span>
<span class='kw'>rescue</span> <span class='op'>::</span><span class='const'>Exception</span>
<span class='id identifier rubyid_print_error'>print_error</span> <span class='tstring'><span class='tstring_beg'>&quot;</span><span class='tstring_content'>Compiled error: </span><span class='embexpr_beg'>#{</span><span class='id identifier rubyid_s'>s</span><span class='lbracket'>[</span><span class='int'>1</span><span class='rbracket'>]</span><span class='embexpr_end'>}</span><span class='tstring_end'>&quot;</span></span>
<span class='kw'>end</span>
<span class='kw'>return</span> <span class='kw'>false</span>
<span class='kw'>end</span></pre>
</td>
</tr>
</table>
</div>
<div class="method_details ">
<h3 class="signature " id="read-instance_method">
#<strong>read</strong>(length = nil, opts = {}) &#x21d2; <tt>Object</tt>
</h3><div class="docstring">
<div class="discussion">
<p>Hook the read method</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 'plugins/ips_filter.rb', line 67</span>
<span class='kw'>def</span> <span class='id identifier rubyid_read'>read</span><span class='lparen'>(</span><span class='id identifier rubyid_length'>length</span> <span class='op'>=</span> <span class='kw'>nil</span><span class='comma'>,</span> <span class='id identifier rubyid_opts'>opts</span> <span class='op'>=</span> <span class='lbrace'>{</span><span class='rbrace'>}</span><span class='rparen'>)</span>
<span class='id identifier rubyid_r'>r</span> <span class='op'>=</span> <span class='kw'>super</span><span class='lparen'>(</span><span class='id identifier rubyid_length'>length</span><span class='comma'>,</span> <span class='id identifier rubyid_opts'>opts</span><span class='rparen'>)</span>
<span class='kw'>if</span> <span class='id identifier rubyid_ips_match'>ips_match</span><span class='lparen'>(</span><span class='id identifier rubyid_r'>r</span><span class='rparen'>)</span>
<span class='id identifier rubyid_print_error'>print_error</span> <span class='tstring'><span class='tstring_beg'>&#39;</span><span class='tstring_content'>Incoming read may match a known signature</span><span class='tstring_end'>&#39;</span></span>
<span class='kw'>end</span>
<span class='kw'>return</span> <span class='id identifier rubyid_r'>r</span>
<span class='kw'>end</span></pre>
</td>
</tr>
</table>
</div>
<div class="method_details ">
<h3 class="signature " id="write-instance_method">
#<strong>write</strong>(buf, opts = {}) &#x21d2; <tt>Object</tt>
</h3><div class="docstring">
<div class="discussion">
<p>Hook the write method</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 'plugins/ips_filter.rb', line 58</span>
<span class='kw'>def</span> <span class='id identifier rubyid_write'>write</span><span class='lparen'>(</span><span class='id identifier rubyid_buf'>buf</span><span class='comma'>,</span> <span class='id identifier rubyid_opts'>opts</span> <span class='op'>=</span> <span class='lbrace'>{</span><span class='rbrace'>}</span><span class='rparen'>)</span>
<span class='kw'>if</span> <span class='id identifier rubyid_ips_match'>ips_match</span><span class='lparen'>(</span><span class='id identifier rubyid_buf'>buf</span><span class='rparen'>)</span>
<span class='id identifier rubyid_print_error'>print_error</span> <span class='tstring'><span class='tstring_beg'>&#39;</span><span class='tstring_content'>Outbound write blocked due to possible signature match</span><span class='tstring_end'>&#39;</span></span>
<span class='kw'>return</span> <span class='int'>0</span>
<span class='kw'>end</span>
<span class='kw'>super</span><span class='lparen'>(</span><span class='id identifier rubyid_buf'>buf</span><span class='comma'>,</span> <span class='id identifier rubyid_opts'>opts</span><span class='rparen'>)</span>
<span class='kw'>end</span></pre>
</td>
</tr>
</table>
</div>
</div>
</div>
<div id="footer">
Generated on Fri May 8 17:03:13 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>
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