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Obfuscating, bifurcating, escalating and mitigating on 64-bit

13

Jul

2012

With the growth in adoption of 64-bit architectures and associated operating systems, we’re seeing the usual malicious suspects following the trend. We have seen variants of several families, including Alureon, Koobface, Sirefef and Ursnif targeting this platform. These families adopt various techniques to prevent their detection and removal, one of which is obfuscation. Let’s take […]

Category General Written by Microsoft Malware Protection Center 0 Comments

ACAD/Medre.A Technical Analysis

20

Jun

2012

For the story behind the suspected industrial espionage, where ACAD/Medre.A was used, refer to Righard Zwienenberg’s blog post. For technical details from analysing the worm’s source code, read on.ACAD/Medre.A is a worm written in AutoLISP, a dialect of the LISP programming language used in AutoCAD. Whilst we classify it as a worm, due to several […]

Category General Written by ESET ThreatBlog 0 Comments

Is a new Zsone Under Development? #Android

31

May

2012

Android malware news: a year after Zsone’s discovery, we’ve come across a new variant. Or at least a sample that causes us to ask, is a new variant under development? This new Zsone uses a native component for its SMS sending routine. Here a code snippet from its binary component for sending SMS. However, its […]

Category General Written by F-Secure Antivirus Research Weblog 0 Comments

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Obfuscating, bifurcating, escalating and mitigating on 64-bit

ACAD/Medre.A Technical Analysis

Is a new Zsone Under Development? #Android

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