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Fileless Powershell malware uses DNS as covert communication channel

06
Mar
2017
Fileless Powershell malware uses DNS as covert communication channel

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Targeted attacks are moving away from traditional malware to stealthier techniques that involve abusing standard system tools and protocols, some of which are not always monitored.

The latest example is an attack dubbed DNSMessenger, which was analyzed by researchers from Cisco Systems’ Talos team. The attack starts with a malicious Microsoft Word document distributed through an email phishing campaign.

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