Image server
From Spamwiki
An Image server gets some of the workload from other computers: the pictures on a website don't come from the computer that hosts the pages, but from the image server. The idea is to spread the stolen bandwidth load when hijacking host machines as a trojan web server between the site and its images.
You can see the scheme if you view the HTML source of a page that uses this technique, for example:
<img src="http://217.170.77.210:8080/p/images/weship.gif"> My Canadian Pharmacy <img src="http://217.170.77.210:8080/legalrx/images/logo.gif"> International Legal RX <img src="http://217.170.77.210:8080/usd/images/logo.gif"> US Drugs <img src="http://217.170.77.210:8080/e/ct/images/mid_07.jpg"> VIP Pharmacy <img src="http://217.170.77.210:8080/e/cv/images/powerpack.jpg"> VIP Pharmacy
An image server is an example of a Hijacked host.

