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In October 2009 we started tracking the Mariposa, or Butterfly, botnet. At that time, a security company had reported that a large number of Fortune 100 companies had been infected with this threat
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Jailing the Butterfly
If you have been following this series on Trojan.Hydraq over the last week you may have noticed that the blog entries have been well, boring.
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Trojan.Hydraq – Typhoon In A Teacup
While Trojan.Hydraq has been described as sophisticated, the methods used to obfuscate the code are relatively straight forward to deobfuscate.
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Symantec Security Response has repeatedly warned that looking for free movies and videos online often results in malware infection, and here we go again with yet another example. We recently became aware of a campaign, centered around the YouTube Web site, to trick users into following malicious links.
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Smutty Searches Scuppered
Symantec goes to great lengths to prevent false positives from occurring. Undoubtedly false positives (FPs) are a concern for all vendors across the antivirus industry. However with as large a user base as Symantec has, we need to set the bar very high
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Preventing False Positives at Symantec
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In quality assurance circles at Symantec it is often stated that clean data (e.g. files from clean software) are to false positives as malicious data are to true positives.
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Software White-listing Program
Zeus is a botnet package that allows for the easy creation and command and control of a botnet.
The Security Response team has compiled the top security trends of 2009. We pulled data from the Global Intelligence Network and the experiences of the thousands of analysts and security experts at Symantec to come up with the top trends for the year.
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Breadth of Security Issues in 2009 = Stunning
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Trawling the Web today we came across a Web site that has been compromised and rigged so that it is returned in search engine results for many different search terms. The site in question belongs to a UK-based company that specializes in hiring out holiday homes and is a legitimate business.
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When is it OK to Click on OKPS?
Hello and welcome to this month’s blog on the Microsoft patch releases. This is a moderate month—the vendor is releasing six bulletins covering a total of 15 vulnerabilities.
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Microsoft Patch Tuesday - November 2009