The Zeus do-it-yourself crimeware kit goes to great lengths to thwart would-be pirates by introducing a product activation scheme similar to what s found in Microsoft Windows. Researchers at Recorded Future report a rise in cracked Cobalt Strike and other open-source adversarial tools with easy-to-use interfaces. Researchers have spotted notable code overlap between the Sunburst backdoor and a known Turla weapon. Read the full article in this article by The Register. Backdoor code is similar to that of a known weapon known as Turla.
Source: https://threatpost.com/zeus-kits-take-anti-piracy-page-ms-031510/73688/