The way they have it all setup is pretty clever too hiding behind common technologies so their infections don’t look out of place.
A nasty infection that attempts to install a potent malware cocktail on the machines of end users has spread to about 30,000 websites run by businesses, government agencies and other organizations, researchers warned Friday.
The malicious payload silently redirects visitors of infected sites to servers that analyze the end-user PC. Based on the results, it attempts to exploit one or more of about 10 different unpatched vulnerabilities on the visitor’s machine. If none exist, the webserver delivers a popup window that claims the PC is infected in an attempt to trick the person into installing rogue anti-virus software.
If you imagine 30,000 websites have been installed, how much traffic do these sites have in total? And out of that how many client computers have been infected.
The numbers could be quite huge.
The rogue anti-virus seems fairly intelligently designed too with polymorphic techniques to avoid signature scanning by real AV engines.
“For the common user, it’s going to be possible but difficult to determine what the code is doing or if it’s indeed malicious,” Chenette told The Register. “We can see this quickly growing.”
Seems like it could possibly be from Russia (the RBN) and it’s not related to Gumblar, even though they have quite a few similarities.
Interesting case to watch, and make sure any sites you run are up to date, secured and not open to SQL injection!
Source: The Register
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