by Blog Staff | Sep 10, 2012 | Threat Lab
What happens when a cybercriminal cannot efficiently gain access to thousands of working accounts at popular Web services, either through data mining a botnet’s population, or through phishing campaigns?
He’ll just start systematically abusing the legitimate services by automatically and efficiently registering thousands of bogus accounts, thanks to the easy to use India based CAPTCHA-solving operations.
In this post I’ll profile a recently launched Russian based service, offering access to thousands of automatically registered accounts at popular Russian social networking sites, and free email services.
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by Blog Staff | Sep 7, 2012 | Threat Lab
Cybercriminals are masters of abusing legitimate infrastructure for their malicious purposes. From phishing sites and Black Hole exploit kit landing URLs hosted on compromised servers, abuse of legitimate web email service providers’ trusted DKIM verified ecosystem, to the systematic release of DIY spamming tools utilizing a publicly obtainable database of user names as potential “touch points”, cybercriminals are on the top of their game.
In this post, I’ll profile a recently advertised DIY SMS flooder using Skype’s infrastructure for disseminating the messages, and assess the potential impact it could have on end and corporate users.
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by Blog Staff | Sep 6, 2012 | Threat Lab
Remember the recently profiled 123greetings.com themed malicious campaign?
It appears that over the past 24 hours, the cybercriminals behind it have resumed spamvertising millions of emails pointing to additional compromised URls in a clear attempt to improve their click-through rates.
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by Blog Staff | Sep 5, 2012 | Threat Lab
It didn’t take long before the cybercriminals behind the recently profiled ‘Intuit Marketplace’ themed campaign resume impersonating Intuit, with a newly launched round consisting of millions of Intuit themed emails.
The theme this time? Convincing users that in order to access QuickBooks they would have to install the non-existent Intuit Security Tool. In reality though, clicking on the links points to a Black Hole exploit kit landing URL that ultimately drops malware on the affected hosts.
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by Blog Staff | Sep 4, 2012 | Threat Lab
Over the past 24 hours, cybercriminals started spamvertising millions of emails impersonating the United Parcel Service (UPS) in an attempt to trick end and corporate users into previewing a malicious .html attachment. Upon previewing it, a tiny iFrame attempts to contact a client-side exploits serving a landing URL, courtesy of the Black Hole web malware exploitation kit.
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by Blog Staff | Aug 31, 2012 | Threat Lab
Cybercriminals are currently mass mailing millions of emails impersonating the United Parcel Service (UPS) in an attempt to trick users into downloading and executing the malicious file hosted on a compromised web site.
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by Blog Staff | Aug 30, 2012 | Threat Lab
Cybercriminals are currently spamvertising millions of emails impersonating PayPal, in an attempt to trick PayPal users into executing the malicious attachment found in the emails.
Using ‘Notification of payment received‘ subjects, the campaign is relying on the end user’s gullibility in an attempt to infect them with malware. Once executed, it grants a malicious attacker complete control over the victim’s PC.
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by Blog Staff | Aug 29, 2012 | Threat Lab
Over the past 24 hours, cybercriminals have spamvertised millions of emails impersonating Intuit Market, in an attempt to trick end and corporate users into clicking on the malicious links found in the emails.
Upon clicking on them, users are exposed to the client-side exploits served by the Black Hole web malware exploitation kit.
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by Blog Staff | Aug 28, 2012 | Threat Lab
British users, beware!
Cybercriminals are currently mass mailing millions of emails impersonating the Royal Mail Service in an attempt to trick users into executing the malicious attachment found in the email. Once they do so, the malware opens a backdoor on the targeted hosts allowing cybercriminals to take complete control over the infected PC.
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by Blog Staff | Aug 27, 2012 | Threat Lab
Over the last couple of hours, cybercriminals have started spamvertising millions of emails pretending to be coming from HP ScanJet scanner, in an attempt to trick end and and corporate users into downloading and viewing the malicious .html attachment.
Upon viewing, the document loads the invisible iFrame script, ultimately redirecting the user to a landing URL courtesy of the Black Hole web malware exploitation kit.
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