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Latest Malware Alerts

Another Potential MuddyWater Campaign uses Powershell-based PRB-Backdoor

we found a new sample that may be related to the MuddyWater campaign. Like the previous campaigns, these samples again involve a Microsoft Word document embedded with a malicious macro that is capable of executing PowerShell scripts leading to a backdoor payload. One notable difference in the analyzed samples is that they do not directly download the Visual Basic Script and PowerShell component files, and instead encode all the scripts on the document itself.

The post Another Potential MuddyWater Campaign uses Powershell-based PRB-Backdoor appeared first on .

June Patch Tuesday: Microsoft Addresses DNS-related Vulnerability, Adobe Patches Critical Flash Player Flaw

This month’s Patch Tuesday entry patched a number of critical vulnerabilities from Microsoft and Adobe, including a DNS-related vulnerability, CVE-2018-8225 and a critical Flash Player vulnerability, CVE-2018-5002.

The post June Patch Tuesday: Microsoft Addresses DNS-related Vulnerability, Adobe Patches Critical Flash Player Flaw appeared first on .

How Machine Learning Techniques Helped Us Find Massive Certificate Abuse by BrowseFox

By employing machine learning algorithms, we were able to discover an enormous certificate signing abuse by BrowseFox, a potentially unwanted application (PUA) detected by Trend Micro as PUA_BROWSEFOX.SMC. BrowseFox is a marketing adware plugin that illicitly injects pop-up ads and discount deals. While it uses a legitimate software process, the adware plugin may be exploited...

The post How Machine Learning Techniques Helped Us Find Massive Certificate Abuse by BrowseFox appeared first on .

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