New PowerPoint malware delivery technique tested by spammers

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A spam run detected by several security companies has attempted to deliver malware through an innovative technique: a link in a PowerPoint slideshow. The attack unfolds like this: A malicious Microsoft PowerPoint Open XML Slide Show (PPSX) or PowerPoint Show (PPS) is delivered attached in a bogus email (invoice, purchase order, what have you) Victims download the file and run it, and are faced with a single text link (or hyperlinked picture) in the file … More