Linux worm turns Raspberry Pis into cryptocurrency mining bots
Linux.MulDrop.14 is a Linux worm that seeks out networked Raspberry Pi systems with default root passwords; after taking them over and ZMap and sshpass, it begins mining an unspecified cryptocurrency, creating riches for the malware’s author and handing you the power-bill.
https://boingboing.net/2017/06/11/mzi8s867ylmc7bspmeh95povxpq3pz.html
Reminder to always change your default passwords. It just takes a second, and it can prevent a lot of really terrible shit from happening to you.