http://dol.{BLOCKED}1.us:8081/update/base64.js

May 19, 2013
 Analysis by: Michael Galapon
 URL BLOCKING DATE/TIME: 03 May 2013 08:20:00 PM GMT-8
 RATING: HIGH
 DOMAIN: ns01.us
 CATEGORY: Disease Vector
 DESCRIPTION:

JS_EXPLOIT.MEA loads this site where its component for decoding base64 can be found. This malicious script was inserted onto a legitimate website of the US Department of Labor and downloads a Poison Ivy backdoor.