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Brazilian Coders Are Pioneering the First Cross-OS Malware Using JAR Files
An anonymous reader writes: Criminal gangs in Brazil are experimenting with the first malware families that are packaged as JAR files, capable of being deployed to Windows, Linux, Mac, and even Android from the same codebase, instead of relying on 4 different versions. Right now, only the malware dropper, a component used to infect computers with banking trojans, seems to have been coded in Java, but security experts expect a full-blown banking trojan to soon follow.
It wouldn't need to run as a browser plugin. The idea here is to use some other exploit to gain access and drop the .jar file onto the system, then run it as a regular local application. I suspect a lot of people have it because Oracle's made deals to have it included on the manufacturer's images, and those people don't have a clue what Java is or how to remove it so that's a problem.
I am, however, surprised it took them this long to come up with this idea. It's fairly standard on Unix systems, that's how cross-platform scripting of all sorts is done.