MM Core In-Memory Backdoor Returns as "BigBoss" and "SillyGoose"

By Forcepoint


In this blog we will detail our discovery of the next two versions of MM Core, namely “BigBoss” (2.2-LNK) and “SillyGoose” (2.3-LNK). Attacks using “BigBoss” appear likely to have occurred since mid-2015, whereas “SillyGoose” appears to have been distributed since September 2016. Both versions still appear to be active.

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