Researchers Sergey Golovanov and Igor Soumenkov have published an article that studies a single spam e-mail and illustrates the methods used by cyber criminals to create botnets and conduct mass spam mailings. The methods and techniques used are clearly illegal in nature and have a single aim: to make cyber criminals rich. Researchers have spotted notable code overlap between the Sunburst backdoor and a known Turla weapon. Researchers at Recorded Future report a rise in cracked Cobalt Strike and other open-source adversarial tools.
Source: https://threatpost.com/malware-cash-factory-100909/72300/