adam/metasploit-gs
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity
Files
c3f5bd3de2d1affa01e2f6c2066c6bb0fc6413bc
metasploit-gs/api/Msf/Payload/Linux/Aarch64/Rc4Decrypter.html
T
jenkins-metasploit c3f5bd3de2 Reboot gh-pages
2026-05-08 17:08:43 +00:00

446 lines
24 KiB
HTML
Raw Blame History

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>
Module: Msf::Payload::Linux::Aarch64::Rc4Decrypter
&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::Payload::Linux::Aarch64::Rc4Decrypter";
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 (R)</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="../../../Payload.html" title="Msf::Payload (class)">Payload</a></span></span> &raquo; <span class='title'><span class='object_link'><a href="../../Linux.html" title="Msf::Payload::Linux (module)">Linux</a></span></span> &raquo; <span class='title'>Aarch64</span>
&raquo;
<span class="title">Rc4Decrypter</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: Msf::Payload::Linux::Aarch64::Rc4Decrypter
</h1>
<div class="box_info">
<dl>
<dt>Defined in:</dt>
<dd>lib/msf/core/payload/linux/aarch64/rc4_decrypter.rb</dd>
</dl>
</div>
<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="#rc4_decrypter-instance_method" title="#rc4_decrypter (instance method)">#<strong>rc4_decrypter</strong>(opts = {}) &#x21d2; Object </a>
</span>
<span class="summary_desc"><div class='inline'></div></span>
</li>
<li class="public ">
<span class="summary_signature">
<a href="#rc4_decrypter_stub-instance_method" title="#rc4_decrypter_stub (instance method)">#<strong>rc4_decrypter_stub</strong>(key_size: 0, payload_size: 0, encrypted_size: 0) &#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="rc4_decrypter-instance_method">
#<strong>rc4_decrypter</strong>(opts = {}) &#x21d2; <tt>Object</tt>
</h3><div class="docstring">
<div class="discussion">
</div>
</div>
<div class="tags">
<p class="tag_title">Raises:</p>
<ul class="raise">
<li>
<span class='type'>(<tt>ArgumentError</tt>)</span>
</li>
</ul>
</div><table class="source_code">
<tr>
<td>
<pre class="lines">
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108</pre>
</td>
<td>
<pre class="code"><span class="info file"># File 'lib/msf/core/payload/linux/aarch64/rc4_decrypter.rb', line 93</span>
<span class='kw'>def</span> <span class='id identifier rubyid_rc4_decrypter'>rc4_decrypter</span><span class='lparen'>(</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_key'>key</span> <span class='op'>=</span> <span class='id identifier rubyid_opts'>opts</span><span class='lbracket'>[</span><span class='symbol'>:key</span><span class='rbracket'>]</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'>rand_text</span><span class='lparen'>(</span><span class='int'>16</span><span class='rparen'>)</span>
<span class='id identifier rubyid_payload'>payload</span> <span class='op'>=</span> <span class='id identifier rubyid_opts'>opts</span><span class='lbracket'>[</span><span class='symbol'>:data</span><span class='rbracket'>]</span> <span class='op'>||</span> <span class='id identifier rubyid_raise'>raise</span><span class='lparen'>(</span><span class='const'>ArgumentError</span><span class='comma'>,</span> <span class='tstring'><span class='tstring_beg'>&quot;</span><span class='tstring_content'>Payload data required</span><span class='tstring_end'>&quot;</span></span><span class='rparen'>)</span>
<span class='id identifier rubyid_raise'>raise</span><span class='lparen'>(</span><span class='const'>ArgumentError</span><span class='comma'>,</span> <span class='tstring'><span class='tstring_beg'>&quot;</span><span class='tstring_content'>Key must be &lt;= 256 bytes</span><span class='tstring_end'>&quot;</span></span><span class='rparen'>)</span> <span class='kw'>if</span> <span class='id identifier rubyid_key'>key</span><span class='period'>.</span><span class='id identifier rubyid_length'>length</span> <span class='op'>&gt;</span> <span class='int'>256</span>
<span class='id identifier rubyid_encrypted_data'>encrypted_data</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/Crypto.html" title="Rex::Crypto (module)">Crypto</a></span></span><span class='op'>::</span><span class='const'><span class='object_link'><a href="../../../../Rex/Crypto/Rc4.html" title="Rex::Crypto::Rc4 (module)">Rc4</a></span></span><span class='period'>.</span><span class='id identifier rubyid_rc4'><span class='object_link'><a href="../../../../Rex/Crypto/Rc4.html#rc4-class_method" title="Rex::Crypto::Rc4.rc4 (method)">rc4</a></span></span><span class='lparen'>(</span><span class='id identifier rubyid_key'>key</span><span class='comma'>,</span> <span class='id identifier rubyid_payload'>payload</span><span class='rparen'>)</span>
<span class='id identifier rubyid_stub'>stub</span> <span class='op'>=</span> <span class='id identifier rubyid_rc4_decrypter_stub'>rc4_decrypter_stub</span><span class='lparen'>(</span>
<span class='label'>key_size:</span> <span class='id identifier rubyid_key'>key</span><span class='period'>.</span><span class='id identifier rubyid_length'>length</span><span class='comma'>,</span>
<span class='label'>payload_size:</span> <span class='id identifier rubyid_payload'>payload</span><span class='period'>.</span><span class='id identifier rubyid_length'>length</span><span class='comma'>,</span>
<span class='label'>encrypted_size:</span> <span class='id identifier rubyid_encrypted_data'>encrypted_data</span><span class='period'>.</span><span class='id identifier rubyid_length'>length</span>
<span class='rparen'>)</span>
<span class='id identifier rubyid_stub'>stub</span> <span class='op'>&lt;&lt;</span> <span class='id identifier rubyid_key'>key</span><span class='period'>.</span><span class='id identifier rubyid_ljust'>ljust</span><span class='lparen'>(</span><span class='int'>256</span><span class='comma'>,</span> <span class='tstring'><span class='tstring_beg'>&quot;</span><span class='tstring_content'>\x00</span><span class='tstring_end'>&quot;</span></span><span class='rparen'>)</span>
<span class='id identifier rubyid_stub'>stub</span> <span class='op'>&lt;&lt;</span> <span class='id identifier rubyid_encrypted_data'>encrypted_data</span>
<span class='kw'>end</span></pre>
</td>
</tr>
</table>
</div>
<div class="method_details ">
<h3 class="signature " id="rc4_decrypter_stub-instance_method">
#<strong>rc4_decrypter_stub</strong>(key_size: 0, payload_size: 0, encrypted_size: 0) &#x21d2; <tt>Object</tt>
</h3><table class="source_code">
<tr>
<td>
<pre class="lines">
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
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
90
91</pre>
</td>
<td>
<pre class="code"><span class="info file"># File 'lib/msf/core/payload/linux/aarch64/rc4_decrypter.rb', line 3</span>
<span class='kw'>def</span> <span class='id identifier rubyid_rc4_decrypter_stub'>rc4_decrypter_stub</span><span class='lparen'>(</span><span class='label'>key_size:</span> <span class='int'>0</span><span class='comma'>,</span> <span class='label'>payload_size:</span> <span class='int'>0</span><span class='comma'>,</span> <span class='label'>encrypted_size:</span> <span class='int'>0</span><span class='rparen'>)</span>
<span class='id identifier rubyid_key_size_lo'>key_size_lo</span> <span class='op'>=</span> <span class='id identifier rubyid_key_size'>key_size</span> <span class='op'>&amp;</span> <span class='int'>0xffff</span>
<span class='id identifier rubyid_key_size_hi'>key_size_hi</span> <span class='op'>=</span> <span class='lparen'>(</span><span class='id identifier rubyid_key_size'>key_size</span> <span class='op'>&gt;&gt;</span> <span class='int'>16</span><span class='rparen'>)</span> <span class='op'>&amp;</span> <span class='int'>0xffff</span>
<span class='id identifier rubyid_payload_size_lo'>payload_size_lo</span> <span class='op'>=</span> <span class='id identifier rubyid_payload_size'>payload_size</span> <span class='op'>&amp;</span> <span class='int'>0xffff</span>
<span class='id identifier rubyid_payload_size_hi'>payload_size_hi</span> <span class='op'>=</span> <span class='lparen'>(</span><span class='id identifier rubyid_payload_size'>payload_size</span> <span class='op'>&gt;&gt;</span> <span class='int'>16</span><span class='rparen'>)</span> <span class='op'>&amp;</span> <span class='int'>0xffff</span>
<span class='id identifier rubyid_encrypted_size_lo'>encrypted_size_lo</span> <span class='op'>=</span> <span class='id identifier rubyid_encrypted_size'>encrypted_size</span> <span class='op'>&amp;</span> <span class='int'>0xffff</span>
<span class='id identifier rubyid_encrypted_size_hi'>encrypted_size_hi</span> <span class='op'>=</span> <span class='lparen'>(</span><span class='id identifier rubyid_encrypted_size'>encrypted_size</span> <span class='op'>&gt;&gt;</span> <span class='int'>16</span><span class='rparen'>)</span> <span class='op'>&amp;</span> <span class='int'>0xffff</span>
<span class='lbracket'>[</span>
<span class='comment'># mmap(NULL, payload_size, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0)
</span> <span class='lparen'>(</span><span class='int'>0xd2800001</span> <span class='op'>|</span> <span class='lparen'>(</span><span class='id identifier rubyid_payload_size_lo'>payload_size_lo</span> <span class='op'>&lt;&lt;</span> <span class='int'>5</span><span class='rparen'>)</span><span class='rparen'>)</span><span class='comma'>,</span> <span class='comment'># 0x00: mov x1, #&lt;payload_size_lo&gt;
</span> <span class='lparen'>(</span><span class='int'>0xf2a00001</span> <span class='op'>|</span> <span class='lparen'>(</span><span class='id identifier rubyid_payload_size_hi'>payload_size_hi</span> <span class='op'>&lt;&lt;</span> <span class='int'>5</span><span class='rparen'>)</span><span class='rparen'>)</span><span class='comma'>,</span> <span class='comment'># 0x04: movk x1, #&lt;payload_size_hi&gt;, lsl #16
</span> <span class='int'>0xd2800000</span><span class='comma'>,</span> <span class='comment'># 0x08: mov x0, #0
</span> <span class='int'>0xd28000e2</span><span class='comma'>,</span> <span class='comment'># 0x0c: mov x2, #7
</span> <span class='int'>0xd2800443</span><span class='comma'>,</span> <span class='comment'># 0x10: mov x3, #34
</span> <span class='int'>0x92800004</span><span class='comma'>,</span> <span class='comment'># 0x14: mov x4, #-1
</span> <span class='int'>0xd2800005</span><span class='comma'>,</span> <span class='comment'># 0x18: mov x5, #0
</span> <span class='int'>0xd2801bc8</span><span class='comma'>,</span> <span class='comment'># 0x1c: mov x8, #222
</span> <span class='int'>0xd4000001</span><span class='comma'>,</span> <span class='comment'># 0x20: svc #0
</span> <span class='int'>0xaa0003f4</span><span class='comma'>,</span> <span class='comment'># 0x24: mov x20, x0
</span>
<span class='comment'># initialize S-box: S[i] = i for i = 0..255
</span> <span class='int'>0xd10403ff</span><span class='comma'>,</span> <span class='comment'># 0x28: sub sp, sp, #256
</span> <span class='int'>0x910003e1</span><span class='comma'>,</span> <span class='comment'># 0x2c: mov x1, sp
</span> <span class='int'>0xd2800002</span><span class='comma'>,</span> <span class='comment'># 0x30: mov x2, #0
</span> <span class='int'>0x38226822</span><span class='comma'>,</span> <span class='comment'># 0x34: strb w2, [x1, x2]
</span> <span class='int'>0x91000442</span><span class='comma'>,</span> <span class='comment'># 0x38: add x2, x2, #1
</span> <span class='int'>0xf104005f</span><span class='comma'>,</span> <span class='comment'># 0x3c: cmp x2, #256
</span> <span class='int'>0x54ffffa1</span><span class='comma'>,</span> <span class='comment'># 0x40: b.ne 0x34
</span>
<span class='comment'># RC4 Key Scheduling Algorithm (KSA)
</span> <span class='int'>0x10000600</span><span class='comma'>,</span> <span class='comment'># 0x44: adr x0, 0x104
</span> <span class='lparen'>(</span><span class='int'>0xd2800001</span> <span class='op'>|</span> <span class='lparen'>(</span><span class='id identifier rubyid_key_size_lo'>key_size_lo</span> <span class='op'>&lt;&lt;</span> <span class='int'>5</span><span class='rparen'>)</span><span class='rparen'>)</span><span class='comma'>,</span> <span class='comment'># 0x48: mov x1, #&lt;key_size_lo&gt;
</span> <span class='lparen'>(</span><span class='int'>0xf2a00001</span> <span class='op'>|</span> <span class='lparen'>(</span><span class='id identifier rubyid_key_size_hi'>key_size_hi</span> <span class='op'>&lt;&lt;</span> <span class='int'>5</span><span class='rparen'>)</span><span class='rparen'>)</span><span class='comma'>,</span> <span class='comment'># 0x4c: movk x1, #&lt;key_size_hi&gt;, lsl #16
</span> <span class='int'>0x910003e2</span><span class='comma'>,</span> <span class='comment'># 0x50: mov x2, sp
</span> <span class='int'>0xd2800003</span><span class='comma'>,</span> <span class='comment'># 0x54: mov x3, #0
</span> <span class='int'>0xd2800004</span><span class='comma'>,</span> <span class='comment'># 0x58: mov x4, #0
</span>
<span class='comment'># KSA loop: for i = 0..255
</span> <span class='int'>0x38636845</span><span class='comma'>,</span> <span class='comment'># 0x5c: ldrb w5, [x2, x3]
</span> <span class='int'>0x8b050084</span><span class='comma'>,</span> <span class='comment'># 0x60: add x4, x4, x5
</span> <span class='int'>0x9ac10866</span><span class='comma'>,</span> <span class='comment'># 0x64: udiv x6, x3, x1
</span> <span class='int'>0x9b018cc6</span><span class='comma'>,</span> <span class='comment'># 0x68: msub x6, x6, x1, x3
</span> <span class='int'>0x38666807</span><span class='comma'>,</span> <span class='comment'># 0x6c: ldrb w7, [x0, x6]
</span> <span class='int'>0x8b070084</span><span class='comma'>,</span> <span class='comment'># 0x70: add x4, x4, x7
</span> <span class='int'>0x92401c84</span><span class='comma'>,</span> <span class='comment'># 0x74: and x4, x4, #255
</span> <span class='int'>0x38636845</span><span class='comma'>,</span> <span class='comment'># 0x78: ldrb w5, [x2, x3]
</span> <span class='int'>0x38646846</span><span class='comma'>,</span> <span class='comment'># 0x7c: ldrb w6, [x2, x4]
</span> <span class='int'>0x38236846</span><span class='comma'>,</span> <span class='comment'># 0x80: strb w6, [x2, x3]
</span> <span class='int'>0x38246845</span><span class='comma'>,</span> <span class='comment'># 0x84: strb w5, [x2, x4]
</span> <span class='int'>0x91000463</span><span class='comma'>,</span> <span class='comment'># 0x88: add x3, x3, #1
</span> <span class='int'>0xf104007f</span><span class='comma'>,</span> <span class='comment'># 0x8c: cmp x3, #256
</span> <span class='int'>0x54fffe61</span><span class='comma'>,</span> <span class='comment'># 0x90: b.ne 0x5c
</span>
<span class='comment'># RC4 Pseudo-Random Generation Algorithm (PRGA)
</span> <span class='int'>0x10000b80</span><span class='comma'>,</span> <span class='comment'># 0x94: adr x0, 0x204
</span> <span class='int'>0xaa1403e1</span><span class='comma'>,</span> <span class='comment'># 0x98: mov x1, x20
</span> <span class='lparen'>(</span><span class='int'>0xd2800002</span> <span class='op'>|</span> <span class='lparen'>(</span><span class='id identifier rubyid_encrypted_size_lo'>encrypted_size_lo</span> <span class='op'>&lt;&lt;</span> <span class='int'>5</span><span class='rparen'>)</span><span class='rparen'>)</span><span class='comma'>,</span> <span class='comment'># 0x9c: mov x2, #&lt;encrypted_size_lo&gt;
</span> <span class='lparen'>(</span><span class='int'>0xf2a00002</span> <span class='op'>|</span> <span class='lparen'>(</span><span class='id identifier rubyid_encrypted_size_hi'>encrypted_size_hi</span> <span class='op'>&lt;&lt;</span> <span class='int'>5</span><span class='rparen'>)</span><span class='rparen'>)</span><span class='comma'>,</span> <span class='comment'># 0xa0: movk x2, #&lt;encrypted_size_hi&gt;, lsl #16
</span> <span class='int'>0x910003e3</span><span class='comma'>,</span> <span class='comment'># 0xa4: mov x3, sp
</span> <span class='int'>0xd2800004</span><span class='comma'>,</span> <span class='comment'># 0xa8: mov x4, #0
</span> <span class='int'>0xd2800005</span><span class='comma'>,</span> <span class='comment'># 0xac: mov x5, #0
</span> <span class='int'>0xd2800006</span><span class='comma'>,</span> <span class='comment'># 0xb0: mov x6, #0
</span>
<span class='comment'># PRGA loop: for k = 0..encrypted_size-1
</span> <span class='int'>0x91000484</span><span class='comma'>,</span> <span class='comment'># 0xb4: add x4, x4, #1
</span> <span class='int'>0x92401c84</span><span class='comma'>,</span> <span class='comment'># 0xb8: and x4, x4, #255
</span> <span class='int'>0x38646867</span><span class='comma'>,</span> <span class='comment'># 0xbc: ldrb w7, [x3, x4]
</span> <span class='int'>0x8b0700a5</span><span class='comma'>,</span> <span class='comment'># 0xc0: add x5, x5, x7
</span> <span class='int'>0x92401ca5</span><span class='comma'>,</span> <span class='comment'># 0xc4: and x5, x5, #255
</span> <span class='int'>0x38656868</span><span class='comma'>,</span> <span class='comment'># 0xc8: ldrb w8, [x3, x5]
</span> <span class='int'>0x38246868</span><span class='comma'>,</span> <span class='comment'># 0xcc: strb w8, [x3, x4]
</span> <span class='int'>0x38256867</span><span class='comma'>,</span> <span class='comment'># 0xd0: strb w7, [x3, x5]
</span> <span class='int'>0x8b0800e9</span><span class='comma'>,</span> <span class='comment'># 0xd4: add x9, x7, x8
</span> <span class='int'>0x92401d29</span><span class='comma'>,</span> <span class='comment'># 0xd8: and x9, x9, #255
</span> <span class='int'>0x3869686a</span><span class='comma'>,</span> <span class='comment'># 0xdc: ldrb w10, [x3, x9]
</span> <span class='int'>0x3866680b</span><span class='comma'>,</span> <span class='comment'># 0xe0: ldrb w11, [x0, x6]
</span> <span class='int'>0x4a0b014a</span><span class='comma'>,</span> <span class='comment'># 0xe4: eor w10, w10, w11
</span> <span class='int'>0x3826682a</span><span class='comma'>,</span> <span class='comment'># 0xe8: strb w10, [x1, x6]
</span> <span class='int'>0x910004c6</span><span class='comma'>,</span> <span class='comment'># 0xec: add x6, x6, #1
</span> <span class='int'>0xeb0200df</span><span class='comma'>,</span> <span class='comment'># 0xf0: cmp x6, x2
</span> <span class='int'>0x54fffe01</span><span class='comma'>,</span> <span class='comment'># 0xf4: b.ne 0xb4
</span>
<span class='comment'># epilogue
</span> <span class='int'>0x910403ff</span><span class='comma'>,</span> <span class='comment'># 0xf8: add sp, sp, #256
</span> <span class='int'>0xaa1403e0</span><span class='comma'>,</span> <span class='comment'># 0xfc: mov x0, x20
</span> <span class='int'>0xd61f0000</span><span class='comma'>,</span> <span class='comment'># 0x100: br x0
</span> <span class='rbracket'>]</span><span class='period'>.</span><span class='id identifier rubyid_pack'>pack</span><span class='lparen'>(</span><span class='tstring'><span class='tstring_beg'>&#39;</span><span class='tstring_content'>V*</span><span class='tstring_end'>&#39;</span></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 17:02:32 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>
Reference in New Issue View Git Blame Copy Permalink