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posted by martyb on Monday June 12 2017, @07:09PM   Printer-friendly
from the CxOs-never-look-at-powerpoint-files dept.

Criminal hackers have started using a novel malware attack that infects people when their mouse hovers over a link embedded in a malicious PowerPoint file.

The method—which was used in a recent spam campaign that attempted to install a bank-fraud backdoor alternately known as Zusy, OTLARD, and Gootkit—is notable because it didn't rely on macros, visual basic scripts, or JavaScript to deliver its payload. Those methods are so widely used that many people are able to recognize them before falling victim.

Instead, the delivery technique made use of the Windows PowerShell tool, which was invoked when targets hovered over a booby-trapped hyperlink embedded in the attached PowerPoint document. Targets using newer versions of Microsoft Office would by default first receive a warning, but those dialogues can be muted when users are tricked into turning off Protected View, a mode that doesn't work when documents are being printed or edited. Targets using older versions of Office that don't offer Protected View are even more vulnerable.

"While features like macros, [object linking and embedding], and mouse hovers do have their good and legitimate uses, this technique is potent in the wrong hands," researchers from antivirus provider Trend Micro wrote in a blog post published Friday morning. "A socially engineered e-mail and mouse hover—and possibly a click if the latter is disabled—are all it would take to infect the victim."

Source: ArsTechnica

See also a report at Dodge This Security.


Original Submission

 
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  • (Score: 2) by kaszz on Monday June 12 2017, @08:50PM

    by kaszz (4211) on Monday June 12 2017, @08:50PM (#524643) Journal

    People infected by spam to buy Microsoft.

    Computer is infected with Microsoft.

    Microsoft is infected by viruses.

    Solution: Remove people that can be infected with spam :p

    Starting Score:    1  point
    Karma-Bonus Modifier   +1  

    Total Score:   2