Stealthy, tricky to remove rootkit targets Linux systems on ARM and x86

Security researchers have identified a new family of Linux rootkits that, despite running from user mode, can be hard to detect and remove.Called Umbreon, after a Pokémon character that hides in the darkness, the rootkit has been in development since early 2015 and is now being sold on the underground markets. It targets Linux-based systems on the x86, x86-64 and ARM architectures, including many embedded devices such as routers.According to malware researchers from antivirus firm Trend M