Eleonore Exploit Kit is an increasingly prevalent commercial hacking tool that makes it easy for criminals to booby-trap Web sites with malicious software. Todays attackers care less about browser you use and more about whether third-party browser add-ons and plugins are out-of-date and exploitable. According to the stats page, the malicious adult sites manage to infect roughly every one in ten visitors. Windows XP users represent by far the largest group of users hitting these poisoned porn sites.”]
Source: https://krebsonsecurity.com/2010/05/revisiting-the-eleonore-exploit-kit/