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qbot

Towering Qbot Certificates

New stolen digital certificates are used by the multi-purpose backdoor Qbot. The criminals behind the Qbot trojan are certainly not inactive. As I mentioned in a blog post earlier this month, after a quiet summer we have seen a batch of new Qbot variants. An interesting fact is that the malicious binaries were digitally signed.

Back to School Qbot, now Digitally Signed

The authors of Win32/Qbot (a.k.a. Qakbot) are back with new variants of this infamous malware, and this time the binaries are digitally signed. Qbot is a multifunctional trojan that has had some significant impact in the past. It has also been around a while, with the first variants dating as far back as spring 2007,

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