A week in security (July 10 – July 16)

A compilation of security news and blog posts from the 10th of July to the 16th. We go over our PowerShell, an overview of the Petya ransomware family, and more.

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Learning PowerShell: The basics

Get acquainted with some of the basic principles of Powershell and get prepared for some basic usage of this versatile tool that is available on all modern Windows systems.

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New social engineering scheme triggers on mouse movement

No macro, no exploit. This attack uses mouse movement to launch malicious code in booby-trapped documents.

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Report: Cybercrime climate shifts dramatically in first quarter

The first quarter of 2017 brought with it some significant changes to the threat landscape and we aren’t talking about heavy ransomware distribution either. Threats which were previously believed to be serious contenders this year have nearly vanished entirely, while new threats and infection techniques have forced the security community to reconsider collection and analysis efforts.

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Trojan.DNSChanger circumvents Powershell restrictions

We take a close look at the functionality of a new variant of the DNS-changer adware family. Especially the use of encoded scripts as a way to bypass the Powershell execution protection.

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