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Researchers have discovered several spam campaigns that deliver PowerPoint files containing a malicious hyperlink that doesn't need to be clicked to activate. When victims open a file and hover their cursor over the hypertext, the Zusy malware payload is delivered to their computer. How does this technique work?
Unexpected functionality can surprise any user, particularly when it involves opening another program. This functionality might be needed to play a video in a PowerPoint presentation or do an advanced analysis in Excel; not many users know all of the functionalities in Excel or even in their most-used Office application, as the applications have become so complicated.
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