Malware analysis: Ragnarok ransomware

Ragnarok is recent ransomware used in targeted attacks against unpatched Citrix ADC servers vulnerable to the CVE-2019-19781 vulnerability. This article will analyze the details of this ransomware, how it works

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WhitePaper Release: Defense against Client-Side Attacks

TL;DR: A new WhitePaper released “” to help attackers understand client-side attacks and for developers to understand how to mitigate them. In the modern era, the web exploitation world is

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BluStealer: from SpyEx to ThunderFox

Avast –  Overview BluStealer is is a crypto stealer, keylogger, and document uploader written in Visual Basic that loads C#.NET hack tools to steal credentials. The family was first mentioned

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