Posts Categorized: social networks


Fully automated, API-supporting service, undermines Facebook and Google’s ‘SMS/Mobile number activation’ account registration process

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Operating in a world dominated by millions of malware-infected hosts acting as proxies for the facilitation of fraudulent and malicious activity, the Web’s most popular properties are constantly looking for ways to add additional layers of authentication to the account registration process of prospective users, in an attempt to undermine automatic account registration tactics. With CAPTCHA under automatic fire from newly emerging CAPTCHA solving/breaking services, re-positioning the concept from what was once the primary automatic account registration prevention mechanism, to just being a part of the ‘authentication mix’ these days, in recent years, a new (layered) authentication concept got the attention […]

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Cybercrime Trends 2013 – Year in Review

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It’s that time of the year! The moment when we reflect back on the cybercrime tactics, techniques and procedures (TTPs) that shaped 2013, in order to constructively speculate on what’s to come for 2014 in terms of fraudulent and malicious campaigns, orchestrated by opportunistic cybercriminal adversaries across the globe. Throughout 2013, we continued to observe and profile TTPs, which were crucial for the success, profitability and growth of the cybercrime ecosystem internationally, such as, for instance, widespread proliferation of the campaigns, professionalism and the implementation of basic business/economic/marketing concepts, improved QA (Quality Assurance), vertical integration in an attempt to occupy […]

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Malware propagates through localized Facebook Wall posts

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We’ve recently intercepted a localized — to Bulgarian — malware campaign, that’s propagating through Facebook Wall posts. Basically, a malware-infected user would unknowingly post a link+enticing message, in this case “Check it out!“, on their friend’s Walls, in an attempt to abuse their trusted relationship and provoke them to click on the malicious link. Once users click on the link, they’re exposed to the malicious software. More details:

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Webroot’s Threat Blog Most Popular Posts for 2012

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It’s that time of the year! The moment when we look back, and reflect on Webroot’s Threat Blog most popular content for 2012. Which are this year’s most popular posts? What distinguished them from the rest of the analyses published on a daily basis, throughout the entire year? Let’s find out.

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Cybercriminals target Twitter, spread thousands of exploits and malware serving tweets

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Twitter users, beware! Over the past several days, cybercriminals have been persistently spamvertising thousands of exploits and malware serving links across the most popular micro blogging service. Upon clicking on the clicks, users are exposed to the exploits served by the Black Hole web malware exploitation kit. What’s so special about this campaign? What’s the detection rate of the malware it drops? Where does it phone back once it’s executed? Have we seen additional malware phone back to the same command and control servers, indication a connection between these campaigns? Let’s find out. More details:

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Spamvertised LinkedIn notifications serving client-side exploits and malware

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Cybercriminals are currently spamvertising LinkedIn themed messages, in an attempt to trick end and corporate users into clicking on the malicious links embedded in the emails. The campaign is using real names of LinkedIn users in an attempt to increase the authenticity of the spamvertised campaign. More details:

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How cybercriminals monetize malware-infected hosts

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The vibrant cybercrime underground ecosystem offers countless ways to monetize the malware-infected hosts at the disposal of the malicious attacker. From converting them to anonymization proxies assisting cybercriminals in covering their Web activities, to launching DDoS attacks, and using them to disseminate spam and more malicious threats, cybercriminals have a vast arsenal of monetization tactics in their arsenal. In this post we’ll profile a recently advertised service offering thousands of Facebook “Likes”, Twitter followers, and YouTube views, all for the modest price of a couple of hundred rubles, entirely relying on malware-infected hosts for supporting their infrastructure.

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Inside a clickjacking/likejacking scam distribution platform for Facebook

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by Dancho Danchev How would you convert Facebook users into slaves participating in clickjacking and likejackings scams, next to using them to spamvertise your latest event promotion message? Presumably by using one of the clickjacking/likejacking distribution platforms promising 100 slaves per day that I will profile in this post.

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Millions of harvested emails offered for sale

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What does it take to be a successful spammer in 2012? Access to a botnet, managed spamming appliance, spam templates that are capable of bypassing spam filters, and most importantly freshly harvested databases of valid emails from multiple email providers. Let’s profile a web-based service currently selling millions of harvested emails to potential spammers, and find out just how easy it is to purchase that kind of data within the cybercrime ecosystem.

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