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    Archive for the ‘Botnets’ Category



    Apr12
    11:03 pm (UTC-7)   |    by

    The collaboration between Trend Micro, INTERPOL, Microsoft, Kaspersky Lab, and the Cyber Defense Institute resulted in a triumph for the security industry earlier this week: the takedown of the SIMDA botnet. Trend Micro provided information such as the IP addresses of the affiliated servers and statistical information about the malware used, which led to the disruption of the botnet activities. SIMDA, the Malware Behind the Botnet The botnet relies on the backdoor SIMDA for its operations. One notable feature of the malware is that ...

    Posted in Botnets |



    2014 was a year where cybercriminal attacks crippled both likely and unlikely targets. A year rife with destructive attacks, 2014 proved to be a difficult one for individuals and companies who were victimized by these threats. Massive data breach disclosures came one after another in 2014 in much more rapid succession than past years. The Sony Pictures breach in December, along with the other big breaches of the year illustrated the wide spectrum of losses that can hit a company that ...




    During the last week of August 2014, we observed a salad spam surge caused by KELIHOS spambot.  Salad spam contains gibberish words in the email body, and is usually employed by cybercriminals so as to bypass spam filters. Here are some samples we spotted: Figures 1-2: Screenshots of spammed messages Majority of this outbreak’s victims are from the United States.  Based on our data, the top sending countries for this spam run are Spain, Germany, Italy, Iran, and the United States. Figure 3: Top sending countries ...

    Posted in Botnets, Malware, Spam | Comments Off



    TROJ_UPATRE, the most common malware threat distributed via spam, is known for downloading encrypted Gameover ZeuS onto affected systems. This ZeuS variant, in turn, is known for its use of peer-to-peer connections to its command-and-contol (C&C) servers.  This behavior has been known about since October 2013. We have observed that these specific ZeuS variants are now employing non-binary files. The UPATRE downloader is also responsible for decrypting these malicious files. This is done to bypass security features and avoid detection and removal ...

    Posted in Bad Sites, Botnets, Malware | Comments Off



    The first quarter of the year saw cybercrime hit targets that may not have been considered worthwhile in previous quarters. Multiple Bitcoin exchanges found themselves the victims of various attacks and were forced to close shop. The most high-profile victim Mt. Gox, which had been, at one time, the leading Bitcoin exchange in the world. Exchanges were not the only target. With more than 12 million Bitcoins in existence - with a value of 6-8 billion US dollars - it ...



     

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