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    Archive for the ‘Botnets’ Category




    Expecting an online booking or package delivery confirmation? Just make sure to avoid these fake email messages serving BKDR_KULUOZ.PFG. This backdoor was first seen in the wild around April to June of 2012 and a part of a well-known botnet. However, we have recently been noticing several spam variants carrying this malware, like the one below: Figure 1. Sample FedEx spammed message BKDR_KULUOZ arrives in the form of attachments (usually archived) in spammed messages. These email messages typically spoof well-known corporations. So far, the ...

    Posted in Botnets, Malware, Spam | Comments Off



    Cybercriminals today create and use botnets to perpetrate their criminal activities.  Whether it is to send out Blackhole Exploit Kit spam or to use as entry points into organizations, the one constant is that most bots (victim computers) communicate back and forth with command and control (C&C) servers.  Trend Micro’s Global Threat Intelligence, derived from our Smart Protection Network™, monitors C&C servers, infected Bots, and the malicious communication between the two regularly to ensure our customers are protected. Today we’re publishing ...

    Posted in Botnets | Comments Off



    Last Monday, July 9, around 300,000 Internet users lost connectivity because they still had not removed their DNS Changer malware infection. Immediately after the take down of the DNS Changer network infrastructure of Rove Digital on November 8, 2011, the FBI set up clean DNS servers for infected victims. These servers were temporary solutions for the victims who had three months (which was later extended to six months) to clean their infected machines. Actually, a major blackout for hundreds of thousands ...

    Posted in Botnets, Malware | Comments Off



    In light of the slew of persistent black hole spam runs, we have been tracking and investigating this threat that leads users to the black hole exploit. These attacks typically start with a spammed message containing a link to a compromised website that redirects a user’s browser to a malicious site hosting the said exploit. The payload of this threat is to install ZeuS variants onto user systems in order to steal sensitive information from users. Trend Micro Solution for Black ...

    Posted in Botnets, Exploits, Spam | Comments Off



    The Police Trojan has been targeting European users for about a year. It should come as no surprise that the latest incarnations of this obnoxious malware have started targeting the United States and Canada. In the latest batch of C&C servers we have analyzed, not only has the list of countries increased but also their targets are now more specific. For instance, UKash vouchers are not available in the U.S., thus the U.S. fake police notification that spoofs the Computer Crime ...



     

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