By Dancho Danchev
Over the last couple of days, a cybercricriminal/gang of cybercriminals that we’ve been extensively profiling, resumed spamvertising tens of thousands of emails, in an attempt to trick users that they have a pending wire transfer. Once users click on any of the links found in the malicious emails, they’re exposed to the client-side exploits served by the Black Hole Exploit Kit.
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By Dancho Danchev
We have recently spotted a new underground market ad, featuring a new commercially available malware bot+rootkit based on the ZeuS crimeware’s leaked source code. According to its author, the modular nature of the bot, allows him to keep coming up with new plugins, resulting in systematic “innovation” and the introduction of new features.
What’s the long-term potential of this malware bot with rootkit functionality? Does it have the capacity to challenge the market leading malware bot families? What are some of the features that differentiate it from the rest of competing bots currently in the wild? What’s the price of the bot, and what are the prices for the separate plugins available for purchase? Let’s find out.
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By Dancho Danchev
Over the past week, a cybercriminal/gang of cybercriminals whose activities we’ve been actively profiling over a significant period of time, launched two separate massive spam campaigns, this time impersonating the Better Business Bureau (BBB), in an attempt to trick users into thinking that their BBB accreditation has been terminated.
Once users click on any of the links found in the malicious emails, they’re automatically exposed to the client-side exploits served by the Black Hole Exploit Kit.
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By Dancho Danchev
Over the past 24 hours, we intercepted tens of thousands of malicious emails attempting to socially engineering BofA’s CashPro users into downloading and executing a bogus online digital certificate attached to the fake emails.
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By Dancho Danchev
Yesterday, a relatively unknown group of cybercriminals publicly announced the availability of a new Web malware exploitation kit. What’s so special about it is the fact that its current version is entirely based on Java exploits (CVE-2012-1723 and CVE-2013-0431), naturally, with “more exploits to be introduced any time soon”.
Let’s take a peek at the statistics and infection rates produced by this kit, as well as discuss its potential, or lack thereof, to cause widespread damage to endpoints internationally.
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By Dancho Danchev
Thanks to basic disruptive factors like standardization, DIY (do it yourself) underground market releases, Cybercrime-as-a-Service ”value added” propositions, efficiency-centered client-side exploitation process, QA (Quality Assurance), and adaptation to the ubiquitous endpoint protection mechanisms, such as for instance, signatures-based antivirus scanning, the cybercrime ecosystem is currently enjoying the monetary joys of its mature state.
In this post, I’ll profile a recently advertised DIY IRC-based DDoS bot, with an emphasis on how market followers, like the author of the bot, attempt to steal market share from the competition. Successful or not, this trend has been taking place for years, and based on the positive type and number of “satisfied customer” comments for this bot, market followers can also secure a revenue stream thanks to the fact that the prospective buyers of such “me too” type of malicious software releases don’t know where to acquire the latest cutting-edge DIY DDoS bot technology from.
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On Wednesday, February 27th, Webroot’s Security Intelligence Director (Grayson Milbourne) and Senior Mobile Analyst (Armando Orozco) presented at the RSA Conference in San Francisco. Their topic, Android Malware Exposed – An In-depth Look at its Evolution, is an expansion on their previous year’s presentation, highlighting the severity of Android malware growth. Focusing on the history of operating system releases and the diversity across the market, as well at the threat vectors and behaviors in the evolution of Android malware, the team has established strong predictions for 2013. Continue reading
By Dancho Danchev
Earlier this month, we profiled and exposed a newly launched underground service offering access to tens of thousands of malware-infected hosts, with an emphasis on the fact that U.S.-based hosts were relatively more expensive to acquire, largely due to the fact that U.S.-based users are known to have a higher online purchasing power. How much does it cost to buy 10,000 U.S.-based malware-infected hosts? Let’s find out.
In this post, I’ll profile yet another service offering access to malware-infected hosts internationally, that’s been operating since the middle of 2012, and despite the fact that it’s official Web site is currently offline, remains in operation until present day.
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By Dancho Danchev
A cybercriminal/gang of cybercriminals that we’ve been closely monitoring for a while now has just launched yet another spam campaign, this time impersonating the “Data Processing Service” company, in an attempt to trick its customers into interacting with the malicious emails. Once they do so, they are automatically exposed to the client-side exploits served by the Black Hole Exploit Kit.
In this post, I’ll profile their latest campaign and the dropped malware. I will also establish a direct connection between this and three other previously profiled malicious campaigns, as well as an ongoing money mule campaign, all of which appear to have been launched by the same cybercriminal/gang of cybercriminals.
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By Dancho Danchev
Just how easy is it to generate an undetected piece of malware these days? Too easy to be true, largely thanks to the rise of managed crypting services, and the re-emergence of the DIY (do it yourself) trend within the entire cybercrime ecosystem.
With hundreds of thousands of new malware variants processed by the industry on a daily basis, it’s fairly logical to conclude that over the years, the bad guys have adapted to signature-based antivirus scanning protection mechanisms, and have achieved disturbing levels of automation and efficiency. How do they do that?
Let’s find out by profiling a recently spotted Web-based DIY malware cryptor, emphasize on the future potential of such underground projects, as well as provide MD5s of malware samples known to have been generated using it.
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