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Rotating Iframe URLs – One a Minute

11 May 13   Filed in Website exploits with 2 Comments

Earlier this week, Sucuri wrote about auto generated iframes in hacked WordPress blogs. The malicious PHP code fetched the iframe URLs from a remote server (hxxp://82 .200 .204 .151/config.inc.php) on-the-fly every time someone loaded infected web pages. This trick helped regularly update the malicious URLs without having to change the code on each hacked site individually. All the URLs had the same format http://<domain-of-a-hacked -site.com>/news/faults-ending.php. For example, hxxp://brewerstire .com/news/faults-ending.php .

This reminded me of another ongoing attack that also rotates iframe URLs in a similar way. However it has some distinguishing features that make it worth it to describe it separately.
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