Webshell is how to bypass the Firewall with elevated permissions? - Vulnerability warning-the black bar safety net

This article speaks of the focus is on webshell permissions of the upgrade and bypass the firewall, master do not laugh. Cut the crap, let's get into the chase. First, determine what goal: http://www.sun. com, a common virtual host. Use Upfile vulnerability I believe we get the webshell is not...