The worm that spreads WanaCrypt0r

WanaCrypt0r is a ransomware infection that has spread through many corporate networks. Read a technical analysis of the worm that allowed it to do this.
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Malware
Threat analysis
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HandBrake hacked to drop new variant of Proton malware

The website of the popular HandBrake DVD-ripping app has been hacked, and for 4 days, a maliciously-modified copy of the app was installing a new variant of the mysterious Proton malware.
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Mac
Threat analysis
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Snake malware ported from Windows to Mac

Snake, also known as Turla and Uroburos, is backdoor malware that has been around and infecting Windows systems since at least 2008. It is thought to be Russian governmental malware and on Windows is highly-sophisticated. It was even seen infecting Li… Continue reading Snake malware ported from Windows to Mac

New OSX.Dok malware intercepts web traffic

Most Mac malware tends to be unsophisticated. Although it has some rather unpolished and awkward aspects, a new piece of Mac malware, dubbed OSX.Dok, breaks out of that typical mold.
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Mac
Threat analysis
Tags: AppleDokument.zipmacmacOSmalw… Continue reading New OSX.Dok malware intercepts web traffic

Sundown EK gone missing, Terror EK flavours seen in active drive-by campaigns

With another player out at the moment, we take a look at a rebranded exploit kit in current malware campaigns.
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Exploits
Threat analysis
Tags: exploits kitsSundown EKTerror EK

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USPS-themed malspam now delivering 1-2-3 Knock-out

We’ve detected an uptick in USPS-themed malspam walloping users with a 1-2-3 knock-out of nasty malware designed to infiltrate your system and steal all your most valuable information. This malware-laced email is actively being distributed with various Subject and Body messages containing references to missing and/or late USPS parcels.

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Malvertising on iOS pushes eyebrow-raising VPN app

A malvertising campaign on iOS is pushing a scareware page tricking Apple users into installing a free VPN app that comes with serious privacy implications.
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Social engineering
Threat analysis
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Diamond Fox – part 2: let’s dive in the code

In a previous post we made an initial analysis of a Diamond Fox bot delivered by the Nebula Exploit Kit (more about the campaign can be found here). We described the way to unpack the protection layer in order to get the core, written in Visual Basic, that can be decompiled. In this second part of…

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Explained: Sage ransomware

Sage is yet another ransomware that has become a common threat nowadays. Similarly to Spora, it has capabilities to encrypt files offline. The malware is actively developed and currently, we are facing outbreak of version 2.2. of this product.
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