A custom malware dubbed RogueRobin is using Google Drive as an alternative command and control channel.

Palo Alto’s Unit 42 researchers have been monitoring the malware used by the DarkHydrus APT group and which is hidden in a series of Arabic language spear phishing emails laced with macro-enabled Excel documents with the .xlsm file extensions, according to a Jan. 18 blog post.

DarkHydrus previously been spotted using tactics including typosquatting  domains for security or technology vendors, abusing open-source penetration testing tools, and leveraging novel file types as anti-analysis techniques.

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