Posts Tagged: security


Cybercriminals impersonate HSBC through fake ‘payment e-Advice’ themed emails, expose users to malware

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HSBC customers, watch what you execute on your PCs. A circulating malicious spam campaign attempts to socially engineer you into thinking that you’ve received a legitimate ‘payment e-Advice’. In reality, once you execute the attachment, your PC automatically joins the botnet operated by the cybercriminal(s) behind the campaign.

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Fake WhatsApp ‘Voice Message Notification’ themed emails expose users to malware

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We’ve just intercepted a currently circulating malicious spam campaign impersonating WhatsApp — yet again — in an attempt to trick its users into thinking that they’ve received a voice mail. Once socially engineered users execute the malicious attachment found in the fake emails, their PCs automatically join the botnet operated by the cybercriminal(s) behind the campaign.

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‘Newly released proxy-supporting Origin brute-forcing tools targets users with weak passwords’

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In need of a good reason to immediately improve the strength of your Origin password, in case you don’t want to lose access to your inventory of games, as well as your gaming reputation? We’re about to give you a pretty good one. A newly released proxy-supporting Origin brute-forcing tool is not just efficiency verifying an end user’s understanding of basic security practices, but also, has built-in option for parsing an affected user’s inventory of games, as well as related gaming information. Why would a cybercriminal want to gain access to someone’s gaming account in the first place, besides the […]

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Fake ‘Annual Form (STD-261) – Authorization to Use Privately Owned Vehicle on State Business’ themed emails lead to malware

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Want to file for mileage reimbursement through a STD-261 form? You may want to skip the tens of thousands of malicious emails currently in circulation, attempting to trick users into executing the malicious attachment. Once downloaded, your PC automatically joins the botnet operated by the cybercriminal(s) behind the campaign, undermining the confidentiality and integrity of the host.

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Vendor of TDoS products/services releases new multi-threaded SIP-based TDoS tool

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Telephony Denial of Service Attacks (TDoS) continue representing a growing market segment within the Russian/Eastern European underground market, with more vendors populating it with propositions for products and services aiming to disrupt the phone communications of prospective victims. From purely malicious in-house infrastructure — dozens of USB hubs with 3G USB modems using fraudulently obtained, non-attributable SIM cards — abuse of legitimate infrastructure, like Skype, ICQ, a mobile carrier’s legitimate service functionality, or compromised accounts of SIP account owners, the market continues growing to the point where even Distributed Denial of Service Attack (DDoS) providers start ‘vertically integrating’. A new, […]

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Malicious multi-hop iframe campaign affects thousands of Web sites, leads to a cocktail of client-side exploits

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Sharing is caring. In this post, I’ll put the spotlight on a currently circulating, massive — thousands of sites affected — malicious iframe campaign, that attempts to drop malicious software on the hosts of unaware Web site visitors through a cocktail of client-side exploits. The campaign, featuring a variety of evasive tactics making it harder to analyze, continues to efficiently pop up on thousands of legitimate Web sites. Ultimately hijacking the legitimate traffic hitting them and  successfully undermining the confidentiality and integrity of the affected users’ hosts.

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Web site of Brazilian ‘Prefeitura Municipal de Jaqueira’ compromised, leads to fake Adobe Flash player

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Our sensors just picked up an interesting Web site infection that’s primarily targeting Brazilian users. It appears that the Web site of the Brazilian Jaqueira prefecture has been compromised, and is exposing users to a localized (to Portuguese) Web page enticing them into installing a malicious version of Adobe’s Flash player. Not surprisingly, we’ve also managed to identify approximately 63 more Brazilian Web sites that are victims to the same infection.

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Popular French torrent portal tricks users into installing the BubbleDock/Downware/DownloadWare PUA (Potentially Unwanted Application)

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A typical campaign attempting to trick users into installing Potentially Unwanted Software (PUA), would usually consist of a single social engineering vector, which on the majority of cases would represent something in the lines of a catchy “Play Now/Missing Video Plugin” type of advertisement. Not the one we’ll discuss in this blog post. Relying on deceptive “visual social engineering” practices, a popular French torrent portal is knowingly — the actual directory structure explicitly says /fakeplayer — enticing users into installing the BubbleDock/Downware/DownloadWare PUA. What kind of social engineering tactics is the portal relying on? Let’s find out.

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Low Quality Assurance (QA) iframe campaign linked to May’s Indian government Web site compromise spotted in the wild

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We’ve intercepted a currently trending malicious iframe campaign, affecting hundreds of legitimate Web sites, that’s interestingly part of the very same infrastructure from May, 2013′s analysis of the compromise of an Indian government Web site. The good news? Not only have we got you proactively covered, but also, the iframe domain is currently redirecting to a client-side exploit serving URL that’s offline. Let’s provide some actionable intelligence on the malicious activity that is known to have originated from the same iframe campaign in the past month, indicating that the cybercriminal(s) behind it are actively multi-tasking on multiple fronts.

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