As user organizations move more of their business infrastructure off premises, cybercriminals become increasingly motivated to target Linux-based cloud environments, including Docker servers with misconfigured API ports.

And while cryptojacking schemes comprise some of the more conventional varieties of these Linux-based malware attacks, researchers have just disclosed the discovery of a Docker container attack that distributes a "fully undetectable" malicious backdoor that abuses the Dogecoin cryptocurrency blockchain for dynamic C2 domain generation.

Dubbed Doki, the backdoor is designed to execute malicious code sent by adversaries, and has secretly been in existence for more than six months already, according to researchers from Intezer, who described their findings in a blog post today.

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