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    Archive for the ‘Malware’ Category




    Malicious browser extensions bring about security risks as these often lead to system infection and unwanted spamming on Facebook. Based on our data, these attacks have notably affected users in Brazil. We have previously reported that cybercriminals are putting malicious browsers in the official Chrome Web store. We also came across malware that bypasses a Google security feature checks third party extensions.  For this blog entry, we performed an in-depth analysis of malicious Chrome browser extension and its evasion tactics, after receiving samples ...




    We have been continuously monitoring the FlashPack exploit, especially with the recent attack which affected Japanese users. We recently looked at our Smart Protection Network feedback and found in a new development that majority of the infected systems of FlashPack exploit came from the U.S. Figure 1. Top infected countries for the FlashPack exploit (based on feedback from September 24-October 22) URL Usage and Malware Payload We checked the details of the URLs used by the FlashPack exploit and found that the exploit uses three ...

    Posted in Bad Sites, Exploits, Malware |



    We've frequently talked about how important it is for law enforcement and security companies to work together to stop cybercrime. One particular reason to do so is because of the nature of cybercrime: simply put, it has no borders. Perhaps more than any other type of crime, cybercrime respects no borders. A cybercriminal in Russia can have colleagues in the Ukraine, use servers in the United Kingdom, and target users in the United States. We work extensively with Interpol to help fight ...

    Posted in Malware |



    Despite the availability of fixes related to the Sandworm vulnerability (CVE-2014-4114), we are still seeing new attacks related to this flaw. These attacks contain a new routine that could prevent detection. A New Evasion Technique In our analysis of the vulnerability, we noted this detail: “…[T]he vulnerability exists in PACKAGER.DLL, which is a part of Windows Object Linking and Embedding (OLE) property. By using a crafted PowerPoint document, an .INF file in embedded OLE object can be copied from a remote SMB share ...




    Pawn Storm is an active economic and political cyber-espionage operation targeting a wide range of entities, mostly those related to the military, governments, and media. Specific targets include: Military agencies, embassies, and defense contractors in the US and its allies Opposition politicians and dissidents of the Russian government International media The national security department of a US ally The cyber criminals behind Operation Pawn Storm are using several different attack scenarios: spear-phishing emails with malicious Microsoft Office documents lead to SEDNIT/Sofacy malware, very selective exploits injected into legitimate websites that ...

    Posted in Malware, Targeted Attacks |


     

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