Exploit kits remain a cybercrime staple against outdated software – 2016 threat landscape review series

Despite the disruption of Axpergle (Angler), which dominated the landscape in early 2016, exploit kits as a whole continued to be a threat to PCs running unpatched software. Some of the most prominent threats, from malvertising to ransomware, used exploit kits to infect millions of computers worldwide in 2016. The prevalence of exploit kits as an…

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Hardening Windows 10 with zero-day exploit mitigations

Cyberattacks involving zero-day exploits happen from time to time, affecting different platforms and applications. Over the years, Microsoft security teams have been working extremely hard to address these attacks. While delivering innovative solutions like Windows Defender Application Guard, which provides a safe virtualized layer for the Microsoft Edge browser, and Windows Defender Advanced Threat Protection,…

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Twin zero-day attacks: PROMETHIUM and NEODYMIUM target individuals in Europe

Targeted attacks are typically carried out against individuals to obtain intellectual property and other valuable data from target organizations. These individuals are either directly in possession of the targeted information or are able to connect to networks where the information resides. Microsoft researchers have encountered twin threat activity groups that appear to target individuals for…

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An analysis of Dorkbot’s infection vectors (part 2)

In part 1 of this series, we talked about Dorkbot and its spreading mechanisms that required user interaction. In this post, we’ll talk about how Dorkbot spreads automatically, via drive-by downloads and Autorun files. Spreading vectors not requiring user interaction: Drive-by downloads and Autorun files Dorkbot can also spread automatically, without user interaction. We recently…

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A technical analysis of Adobe Flash Player CVE-2012-0779 Vulnerability

Recently, we’ve seen a few attacks in the wild targeting a patched Adobe Flash Player vulnerability. The vulnerability related to this malware was addressed with a recent patch released by Adobe on May 4th. On the Windows platform, Flash Player 11.2.202.233 and earlier is vulnerable. If you’re using vulnerable version, you need to update your Flash Player…

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An interesting case of Mac OSX malware

In June 2009, Microsoft issued security update MS09-027, which fixed a remote code execution vulnerability in the Mac version of Microsoft Office. Despite the availability of the bulletin (and the passage of time), not every machine is up to date yet – which is how nearly three years later, malware has emerged that exploits the…

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A tangled web…

The moment of infection, and the circumstances that lead to the introduction of malware to a system, are often not obvious. This short case study examines our observations and investigations into a particular example that illustrates a fairly typical method of compromise that is played out countless times each day​ all over the web. A…

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Analysis of the Eleonore exploit pack shellcode

‘​Eleonore‘ is a malware package that contains a collection of exploits used to compromise web pages. When the compromised web pages are viewed via vulnerable systems, the exploit payload is run. Eleonore is purchased by an attacker from an underground website. The attacker then gains access to Internet web servers and installs the exploit by…

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Get gamed and rue the day…

As we discussed last week, socially engineered threats are specially crafted threats designed to lure the eye and trick the mind – they look legitimate or benign, and in worst case, may take advantage of a trusted relationship, by utilizing a compromised account or familiar website. Social engineering techniques may be used in isolation, but…

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