Symantec has named the worm Linux.Darlloz and reports that its main abilities at this time appear to be one of replication by taking advantage of a PHP vulnerability in systems running older versions of Linux. When it executes, it creates random IP addresses and attempts to locate pathways to other devices on the network. Those devices that aren’t protected become infected as well, which in turn serve as aids in propagating the worm.
Linux is an open source operating system that is similar in many respects to Unix and has been widely used as both a learning and research tool. More recently, those making hardware devices have begun using it because no licensing fee is required. The down side is that because it’s open source, many versions lack the security features of more robust operating systems such as (Unix based OS X) or Windows.
Read more at: Phys.org