In this article, we will be looking at the strategies to detect and analyze malware hidden inside an OPcache file. If you haven’t read our previous article about hiding a binary webshell inside a PHP7 OPcache file, we suggest reading it before moving on. ...
Update: A follow-up article was published on the detection and the reverse-engineering of those binary web shells. In this article, we will be looking at a new exploitation technique using the default OPcache engine from PHP 7. Using this attack vector, we can bypass...