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Retired Malware Samples: Everything Old is New Again

Lenny Zeltser

When training professionals how to reverse-engineer malware , I’ve gone through lots of malicious programs for the purpose of educational examples. For example, I recently came across a DarkComet RAT builder that was surreptitiously bundled with a DarkComet backdoor of its own. The backdoor had a backdoor!

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CyberheistNews Vol 13 #27 [Heads Up] Massive Impersonation Phishing Campaign Imitates Over 100 Brands and Thousands of Domains

KnowBe4

However, as The Insider found out, it is not only China that the US should be worried about: Russia has reanimated the Soviet spy center Lourdes in Cuba, officially closed by Putin in 2001. For instance, many examples of malware have been uncovered that expressly don't function unless they are accessed by a mobile device. reports. "As