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Documents with malicious macros deliver fileless malware to financial-transaction systems

Lucian Constantin | March 15, 2016
Attackers are using Word documents with malicious macros and PowerShell to infect computers with fileless malware, researchers warn

"By using PowerShell the attackers have been able to put malware that might otherwise be detected on a hard drive into the Windows Registry," senior SANS instructor ​Mark Baggett, said in a blog post.

Storing malicious code in the system registry, abusing the Windows PowerShell and adding malicious macros to documents are not new techniques. However, their combination can make for very potent and hard-to-detect attacks.


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