// web firewall pattern evade
var siteRef = decodeURIComponent(unescape(document.referrer));
siteRef = siteRef.replace(/http:\/\//g, "***");
siteRef = siteRef.replace(/https:\/\//g, "^^^");
var nowPage = "";
try { nowPage = decodeURIComponent(document.location.href); } catch (exception) { }
nowPage = nowPage.replace(/http:\/\//g, "***");
nowPage = nowPage.replace(/https:\/\//g, "^^^");

function getMeta(metaName) {
  const metas = document.getElementsByTagName('meta');

  for (let i = 0; i < metas.length; i++) {
    if (metas[i].getAttribute('property') === metaName) {
      return metas[i].getAttribute('content');
    }
  }

  return '';
}

var xhr = new XMLHttpRequest();
xhr.open('POST', 'https://adreg.wisenut.co.kr/user/setUserArticleInfo');
xhr.setRequestHeader('Content-Type', 'application/json');
xhr.withCredentials = true;
xhr.onload = function() {
    if (xhr.status === 200) {
	var response = JSON.parse(xhr.response);
	//console.log("USERKEY:"+response.response.body);
   }
};
xhr.send(JSON.stringify({
        "header":{
                "from":"user"
        },
        "body":{
                "referer" : document.referrer,
                "url" : window.location.href,
                "userAgent": window.navigator.userAgent,
                "categorySection":getMeta("article:section")
        }
}));


<!--
document.write("<iframe src='https://adsvc2.wisenut.co.kr/amc/29/amc_svc_iframe_3.php?c=27&p=29&t=3&s=6641&l=Y&e=136&f=Y&cs=euc-kr&cr=Y&vz=Y&pb=&lad=Y&siteRef="+encodeURIComponent(siteRef)+"&nowPage="+encodeURIComponent(nowPage)+"&wpCate=&cl=N' frameborder='0' width='160' height='619' marginwidth='0' marginheight='0' scrolling='no' allowtransparency='true'></iframe>");
-->