Threat Database Malware Mal/Badsrc-C


By CagedTech in Malware

Threat Scorecard

Ranking: 4,437
Threat Level: 80 % (High)
Infected Computers: 1,926
First Seen: November 7, 2011
Last Seen: September 20, 2023
OS(es) Affected: Windows

Mal/Badsrc-C is a malware threat that can inject itself within the popular blog-building software WordPress. WordPress users infected with Mal/Badsrc-C will find that an index.html file will become infected. Mal/Badsrc-C installs itself in a way so that Mal/Badsrc-C only affects users using the IE browser. Mal/Badsrc-C has proliferated since its first detections in the late summer of 2011. According to ESG PC security researchers, Mal/Badsrc-C will attack computers using the Internet Explorer Internet browser, but will not affect computers using other popular web browsers, including Mozilla Firefox and Google Chrome. It seems that Mal/Badsrc-C uses a vulnerability specific to Internet Explorer, which involves a PHP script on WordPress Internet websites. This means that computer users using this web browser will become infected with Mal/Badsrc-C when visiting an infected website. ESG malware analysts suspect that these WordPress websites may have become infected in the first place through an FTP (File Transfer Protocol) attack.

Protecting Your WordPress Website from Mal/Badsrc-C

ESG malware analysts recommend using a strong password to protect WordPress accounts and websites. It is important to make sure that a password is long enough and that it contains a mixture of symbols, letters and numbers. Using a simple dictionary word or one of the most popular passwords (such as "123456" or "12345678") places you at risk for a malware attack, including a Mal/Badsrc-C virus infection. It is also important to use different passwords for your different online accounts. ESG PC security researchers also recommend inspecting your website's code regularly to ascertain that there have been no intrusions. To protect yourself from Mal/Badsrc-C, ESG PC security researchers also recommend keeping your security program fully updated. While WordPress malware attacks are not new, the way Mal/Badsrc-C operates is fairly uncommon. Typically, malware attacking WordPress websites would be spread using WordPress modules or widgets created specifically for this purpose. According to ESG malware analysts, it does not seem that Mal/Badsrc-C is associated with a particular WordPress module, but rather attacks through other means. To make sure that your website does not become a source of Mal/Badsrc-C virus infections and that your readers are protected (particularly those using Internet Explorer), ESG PC security researchers recommend taking the time to make sure that your website is fully secured, that your passwords are strong, that your security software is updated and that no undetected intrusions into your website have occurred in the past.


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