someone hacked a machine on the same subnet and was ARP spoofing the gateway. The metasploit.com machines were not compromised, but all HTTP requests coming into the ISP network were passed through a MITM defacer that inserted that HTML. Once I as able to set a static ARP entry and notify the ISP, the problem was resolved. So, to make things clear, the metasploit.com servers were not hacked, the ISP