Friday, 27 March 2015

Thousands Hacked WordPress Sites Spread Malware

In recent weeks, thousands of hacked WordPress sites which are then used to distribute malware. It also involves several Dutch websites including , and the website of Dries Roelvink. That leaves the Dutch security researcher Yonathan Klijnsma today know.

Fiesta Exploit Kit Gate
On the hacked WordPress sites is an iframe placed visitors, without this, have, to a exploitkit forward. This exploitkit uses known vulnerabilities in Adobe Flash Player, Adobe Reader and Java to infect users. However, if users use the latest version of these plug-ins they run no risk. "There are thousands of websites that contain this iframe at this time. From the data I have is about 3,000 websites, but this is probably only a fraction" says Klijnsma.

In case the attack, there can be all kinds of malware installed successfully, including ransomware encrypts files that sorts to Trojan specifically designed to steal money from online bank accounts. According Klijnsma the WordPress sites hacked through a leak in the RevSlider plugin. This is a known vulnerability for which an update is available. Webmasters have not rolled out the update. Owners of a WordPress site then also be advised to both the content management system as installed plug-ins to keep up-to-date.

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