exploit kits are clamoring for who will be number one. Magnitude/Popads seems to be winning, as of the writing of this blog post. This particular kit received a bunch of press recently since the php.net hack took place (read about some of it here) Over the past week, we’ve seen Magnitude run over ports:.56712.2.4.5.3.5:4:5:3:5.4:6:6.3:6 :6:5 :5:7:7 :8:8:6.”]
Source: https://blog.talosintelligence.com/2013/10/exploit-kits-they-sure-do-like-to.html