StyleSmuggler web shell dropped into Magento product cache dir

Ankit Mehta@Secvyn

•updated Sep 8, 2026•0•0•1

This rule detects potential web shell activity by identifying suspicious PHP file creation within Magento-style product cache directories and the execution of find commands targeted at searching for PHP files in the web directory. This behavior is indicative of an attacker attempting to plant a web shell and subsequently enumerating web files for further exploitation.