Posts Categorized: spam


Millions of harvested U.S government and U.S military email addresses offered for sale

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Remember the underground service offering millions of harvested emails for sale profiled at the Webroot Threat Blog in January? It appears  that cybercriminals are continuing to innovate in this underground market segment by offering geolocated databases of millions of harvested emails for better targeting in their upcoming spam campaigns. In this post, I’ll profile yet another cybercrime underground  service selling millions of harvested emails to potential cybercriminals.

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Research: U.S accounts for 72% of fraudulent pharmaceutical orders

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Just how profitable is spam? Who’s buying the counterfeit pharmaceutical items advertised so heavily in a huge percentage of the spam campaigns currently circulating in the wild? According to a newly released report by the University of California at San Diego, although hundreds of thousands of people visit the fraudulent pharmaceutical scam sites, only a small percentage of them is actually purchasing the counterfeit pharmaceutical items. In this particular case, the United States leads with 72% of total purchases from fraudulent pharmaceutical sites. More details:

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Spamvertised ‘Your accountant license can be revoked’ emails lead to client-side exploits and malware

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Cybercriminals are currently spamvertising a malicious email campaign that’s designed to trick you into clicking on a bogus complaint.pdf link which ultimately leads to client-side exploits and malware. The campaign is launched by the same gang that launched the “Spamvertised ‘Termination of your CPA license’ ” malicious campaign last month. More details:

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Research: proper screening could have prevented 67% of abusive domain registrations

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On a daily basis, spammers register thousands of new domains across multiple domain registrars, and take advantage of WHOIS privacy services to ensure that security researchers and anti-spam fighters will have hard time taking them down. So what can we do about it? According to a newly released research by Knujon.com, proper screening could have prevented 67% of those abusive domain registrations. More details:

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Spamvertised ‘Temporary Limit Access To Your Account’ emails lead to Citi phishing emails

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Cybercriminals are currently spamvertising a fraudulent email campaign impersonating Citi, using ‘Temporary Limit Access To Your Account‘ themed emails as a social engineering attempt to trick end users into clicking on the link found in the phishing emails. More details:

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Pharmaceutical scammers launch their own Web contest

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What are pharmaceutical scammers up to? From active participation in black hat search engine optimization campaigns, to spamvertising of bogus links – including QR Codes – and compromising of web sites with high page rank in order to redirect to pharmaceutical scams, scammers are keeping themselves pretty busy in order to monetize as much web traffic as possible. Recently, one of the most popular affiliate network for selling counterfeit pharmaceutical items launched its own Web contest. Let’s take a look.

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Cisco releases ‘Cisco Global Threat Report’ for 4Q11

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Cisco Systems, recently announced the release of ’Cisco Global Threat Report’ for 4Q11, containing threat intelligence based on Cisco’s observation of the malicious threat landscape. Key summary points:

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