[SANS ISC] Malicious Excel Sheet with a NULL VT Score

I published the following diary on isc.sans.edu: “Malicious Excel Sheet with a NULL VT Score“:

Just a quick diary today to demonstrate, once again, that relying only on a classic antivirus solution is not sufficient in 2020. I found a sample that just has a very nice score of 0/57 on VT. Yes, according to all AV’s the file is safe. Really? If it matched one of my hunting rules, there is for sure something suspicious inside. Let’s have a look at it… [Read more]

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