Posts Categorized: malware


A peek inside a commercially available Android-based botnet for hire

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Relying on the systematic release of DIY (do-it-yourself) mobile malware generating tools, commercial availability of mobile malware releases intersecting with the efficient exploitation of legitimate Web sites through fraudulent underground traffic exchanges, as well as the utilization of cybercrime-friendly affiliate based revenue sharing schemes, cybercriminals continue capitalizing on the ever-growing Android mobile market segment for the purpose of achieving a positive ROI (return on investment) for their fraudulent activities. We’ve recently spotted yet another underground market proposition offering access to Android-based infected devices. Let’s take a peek inside its Web-based command and control interface, discuss its features, as well as the proposition’s relevance […]

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Spamvertised ‘Customer Daily Statement’ themed emails lead to malware

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Cybercriminals continue to efficiently populate their botnets, through the systematic and persistent spamvertising of tens of thousands of fake emails, for the purpose of socially engineering gullible end users into executing the malicious attachments found in the rogue emails. We’ve recently intercepted a currently circulating malicious campaign, impersonating Barkeley Futures Limited, tricking users into thinking that they’ve received a legitimate “Customer Daily Statement”.

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Spamvertised ‘June invoice” themed emails lead to malware

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Cybercriminals continue spamvertising tens of thousands of malicious emails on their way to socially engineer gullible end users, ultimately increasing their botnet’s infected population through the systematic and persistent rotation of popular brands. We’ve recently intercepted a currently circulating malicious campaign enticing users into executing the fake attachment. More details:

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Malicious Web-based Java applet generating tool spotted in the wild

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Despite the prevalence of Web based client-side exploitation tools as the cybercrime ecosystem’s primary infection vector, in a series of blog posts, we’ve been emphasizing on the emergence of managed/hosted/DIY malicious Java applet generating tools/platforms, highlighting the existence of a growing market segment relying on ‘visual social engineering’ vectors for the purpose of tricking end users into executing malicious/rogue/fake Java applets, ultimately joining a cybercriminal’s botnet. We’ve recently spotted yet another Web based Java drive-by generating tool, and decided to take a peek inside the malicious infrastructure supporting it.

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Long run compromised accounting data based type of managed iframe-ing service spotted in the wild

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In a cybercrime ecosystem dominated by DIY (do-it-yourself) malware/botnet generating releases, populating multiple market segments on a systematic basis, cybercriminals continue seeking new ways to acquire and efficiently monetize fraudulently obtained accounting data, for the purpose of achieving a positive ROI (Return on Investment) on their fraudulent operations. In a series of blog posts, we’ve been detailing the existence of commercially available server-based malicious script/iframe injecting/embedding releases/platforms utilizing legitimate infrastructure for the purpose of hijacking legitimate traffic, ultimately infecting tens of thousands of legitimate users. We’ve recently spotted a long-run Web-based managed malicious/iframe injecting/embedding service relying on compromised accounting data for legitimate traffic acquisition […]

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Malicious JJ Black Consultancy ‘Computer Support Services’ themed emails lead to malware

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Relying on the systematic and persistent spamvertising of tens of thousands of fake emails, as well as the impersonation of popular brands for the purpose of socially engineering gullible users into downloading and executing malicious attachments found in these emails, cybercriminals continue populating their botnets. We’ve recently intercepted a currently circulating malicious campaign, impersonating JJ Black Consultancy. More details:

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Spamvertised ‘Notification of payment received’ themed emails lead to malware

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PayPal users, watch what you click on! We’ve recently intercepted a currently circulating malicious spamvertised campaign which is impersonating PayPal in an attempt to trick socially engineered end users into clicking on the malware-serving links found in the emails. More details:   Sample screenshot of the spamvertised email:

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A peek inside a subscription-based DIY keylogging based type of botnet/malware generating tool

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Cybercriminals continue to systematically release DIY (do-it-yourself) type of cybercrime-friendly offerings, in an effort to achieve a ‘malicious economies of scale’ type of fraudulent model, which is a concept that directly intersects with our ‘Cybercrime Trends – 2013‘ observations. We’ve recently spotted yet another subscription-based, DIY keylogging based botnet/malware generating tool. Let’s take a peek inside its Web based interface, and expose the cybercrime-friendly infrastructure behind it. More details:

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Malicious DIY Java applet distribution platforms going mainstream – part two

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In a cybercrime ecosystem, dominated by client-side exploits serving Web malware exploitation kits, cybercriminals continue relying on good old fashioned social engineering tricks in an attempt to trick gullible end users into knowingly/unknowingly installing malware. In a series of blog posts, we’ve been highlighting the existence of DIY (do-it-yourself), social engineering driven, Java drive-by type of Web based platforms, further enhancing the current efficient state of social engineering driven campaigns. Let’s take a peek inside yet another Web based DIY Java applet distribution platform, discuss its features, and directly connect to the Rodecap botnet, whose connections with related malicious campaigns have been established in several previously […]

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