Yeah, I ran across malware once that only injected JS for visitors from certain referrers, such as Google search. I believe the intention was so that when someo

Yeah, I ran across malware once that only injected JS for visitors from certain referrers, such as Google search. I believe the intention was so that when someone would tell me, "Hey, you have a bunch of weird links on your site" I would go to it directly and not see a problem. IIRC the .htaccess had been modified.