Posts Categorized: social engineering


Fake Microsoft Security Scam

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Recently we have seen an increase in fake Microsoft scams, which function by tricking people into thinking that their PC is infected.  With these types of scams there are a number of things to remember. 1.       Microsoft will never call you telling you that your PC is infected 2.       Never allow strangers to connect to your PC 3.       Do not give any credit card info to somebody claiming to be from Microsoft 4.       If in doubt, shut down your PC and call Webroot The current scam will display a webpage that is very similar to the one in Figure 1. […]

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Managed ‘Russian ransomware’ as a service spotted in the wild

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By Dancho Danchev In 2013, you no longer need to posses sophisticated programming skills to manage a ransomware botnet, potentially tricking tens of thousands of gullible users, per day, into initiating a micro-payment to pay the ransom for having their PC locked down. You’ve got managed ransomware services doing it for you. In this post I’ll profile a recently spotted underground market proposition detailing the success story of a ransomware botnet master that’s been in business for over 4 years, claiming to be earning over five hundred thousands rubles per month. More details:

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How fraudulent blackhat SEO monetizers apply Quality Assurance (QA) to their DIY doorway generators

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How are cybercriminals most commonly abusing legitimate Web traffic? On the majority of occasions, some will either directly embed malicious iFrames on as many legitimate Web sites as possible, target server farms and the thousands of customers that they offer services to, or generate and upload invisible doorways on legitimate, high pagerank-ed Web properties, in an attempt to monetize the hijacked search traffic. In this post I’ll profile a DIY blackhat SEO doorway generator, that surprisingly, has a built-in module allowing the cybercriminal using it to detect and remove 21 known Web backdoors (shells) from the legitimate Web site about to be abused, just in case […]

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Cybercriminals impersonate Bank of America (BofA), serve malware

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Relying on tens of thousands of fake “Your transaction is completed” emails, cybercriminals have just launched yet another malicious spam campaign attempting to socially engineer Bank of America’s (BofA) customers into executing a malicious attachment. Once unsuspecting users do so, their PCs automatically join the botnet operated by the cybercriminal/gang of cybercriminals operating it, leading to a successful compromise of their hosts. More details:

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Fake ‘DHL Delivery Report’ themed emails lead to malware

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Over the past couple of days, cybercriminals have launched two consecutive malware campaigns impersonating DHL in an attempt to trick users into thinking that they’ve received a parcel delivery notification. The first campaign comes with a malicious attachment, whereas in the second, the actual malicious archive is located on a compromised domain. More details:

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Historical OSINT – The ‘Boston Marathon explosion’ and ‘Fertilizer plant explosion in Texas’ themed malware campaigns

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Following the recent events, opportunistic cybercriminals have been spamvertising tens of thousands of malicious emails in an attempt to capitalize on on the latest breaking news. We’re currently aware of two “Boston marathon explosion” themed campaigns that took place last week, one of which is impersonating CNN, and another is using the “fertilizer plant exposion in Texas” theme, both of which redirect to either the RedKit or the market leading Black Hole Exploit Kit. Let’s profile the campaigns that took place last week, with the idea to assist in the ongoing attack attribution process. More details:

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American Airlines ‘You can download your ticket’ themed emails lead to malware

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By Dancho Danchev Cybercriminals are currently spamvertising tens of thousands of emails impersonating American Airlines in an attempt to trick its customers into thinking that they’ve received a download link for their E-ticket. Once they download and execute the malicious attachment, their PCs automatically join the botnet operated by the cybercriminal/gang of cybercriminals behind the campaign. More details:

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Spamvertised ‘Your order for helicopter for the weekend’ themed emails lead to malware

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Cybercriminals are currently mass mailing tens of thousands of emails, in an attempt to trick users into thinking that the order for their “air transportation services has been accepted and processed”. In reality though, once users execute the malicious attachments, their PCs will automatically become part of the botnet managed by the malicious actors. More details:

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Spamvertised ‘Re: Changelog as promised’ themed emails lead to malware

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We have recently intercepted a malicious spam campaign, that’s attempting to trick users into thinking that they’ve received a non-existent “changelog.” Once gullible and socially engineered users execute the malicious attachment, their PCs automatically become part of the botnet operated by the cybercriminal/gang of cybercriminals. More details:

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‘Terminated Wire Transfer Notification/ACH File ID” themed malicious campaigns lead to Black Hole Exploit Kit

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A couple of days ago our sensors picked up two separate malicious email campaigns, both impersonating Data Processing Services, that upon successful client-side exploitation (courtesy of the Black Hole Exploit Kit), drops an identical piece of malicious software. Let’s dissect the campaigns, expose the malicious domains portfolio, connect them to previously profiled malicious campaigns, and analyze the behavior of the dropped malware. More details:

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