Microsoft Malware Protection Center

Threat Research & Response Blog

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  • Blog Post: Obfuscating, bifurcating, escalating and mitigating on 64-bit

    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...