Tag: shell

February 15, 2017 / security

The aim of this article is to showcase a PHP backdoor that is small enough to pass unnoticed while still allowing the execution of complex operations. Maintaining access to a compromised system is one important step during penetration testing. In most cases this is achieved using backdoors. These can either live as standalone pieces of software or as part of legitimate code. And always, no matter how the backdoor is designed, being hard to discover is an important aspect.