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The Microsoft Malware Protection Center (MMPC) provides world class antimalware research and response capabilities that support Microsoft's range of security products and services. With laboratories in multiple locations around the globe the MMPC is able to respond quickly and effectively to new malicious and potentially unwanted software threats wherever and whenever they arise.

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Additional guidance and advice

MSRT February - When Push Comes to Shove

This month we add another bot family to MSRT - Win32/Pushbot. Pushbot is, in many ways, an "old school" bot. It is controlled through IRC, it can distribute itself through several different channels and its source code is more or less open (for those who mix in certain circles). Like Win32/Rbot, Pushbot isn't one piece of malware that is updated and maintained by one group of malware writers, but rather a collection of malicious programs created by different people based on a common base of source code. The core code of Pushbot is based on something called Reptile, which dates back to 2005. Reptile, in turn, appears to have been based Win32/Sdbot, just as Win32/Rbot was.

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Microsoft Security Intelligence Report

An in-depth perspective of software vulnerabilities, malicious code threats and potentially unwanted software, focusing on trends observed during the first or second half of each year.

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