Recently, we have come across a number of websites that were facing reinfection of a credit card information stealer malware within the following files:

• app/Mage.php;
• lib/Varien/Autoload.php;
• index.php;
• app/code/core/Mage/Core/functions.php;

These are common files for attackers to target as they operate throughout Magento sites, but these instances were special as they had a very peculiar reinfection rate.

Malicious Scripts Loaded Through .bashrc

Upon closer inspection, we came across this snippet in the site owner’s .bashrc file.

Continue reading Shell Logins as a Magento Reinfection Vector at Sucuri Blog.

Via Sucuri.net