Glupteba malware does something novel: It uses the bitcoin blockchain as a communications channel to receive updated configuration information.

That’s important because malware always needs a way to go back to its home base, preferably without being detected, according to a paper released this week by Sophos Labs researchers.

The new form of malware sprinkles some of the old with the new to launch malware that can steal local PII on web browsers and then launch similar attacks from the victim’s home network.

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