Security attacks shifting into newer areas
Sophisticated password-stealing trojans and advanced persistent threats (APTs) are continuously on the rise targeting key industry verticals such as media, government, manufacturing and commercial transaction agencies, according to a recent report by security firm McAfee Labs. Not only that the research firm also observes that the nature of attacks is also changing with web threats shifting from Botnets to URLs, infections beneath the OS rising and mobile malware evolving rapidly.
“We are seeing attacks shifting into a variety of new areas, from factories, to corporations, to government agencies, to the infrastructure that connects them together,” said Vincent Weafer, senior vice president of McAfee Labs. He believes that this represents a new chapter in cyber security in that threat-development, driven by the lure of financial industry profits, has created a growing underground market for these cybercrime weapons, as well as creative new approaches to thwarting security measures common across industries.
In the light of the recent security attacks, McAfee Labs identified the following trends in its recently released McAfee Threats Report Q4 2012:
Rise of customized threat: As a group, unique password-stealing trojans grew 72 per cent in Q4 as cybercriminals realized that user authentication credentials constitute some of the most valuable intellectual property stored on most computers. Now widely available, these trojans are increasingly appearing within customized threats or combined with other “off-the-shelf” threats available on the internet. Fourth quarter revelations around the Citadel trojan suggest that this trojan’s information theft capabilities are being deployed beyond the financial services sector.
Web Threats Shift from Botnets to URLs: McAfee continued to see suspicious URLs replacing botnets as the primary distribution mechanism for malware. An analysis of web threats found that the number of new suspicious URLs increased by 70 per cent in Q4. New suspect URLs averaged 4.6 million per month, almost doubling the previous 2.7 million per month figure from the last two quarters. Ninety-five percent of these URLs were found to be hosting malware, exploits or code designed specifically to compromise computers. The decline in the number of infected systems controlled by botnet operators is driven in part by law enforcement efforts to bring botnets down, but perhaps more so by the declining appeal of the botnet business model.
Increase in Infections beneath the OS: The volume of Master Boot Record-related malware climbed 27 per cent to reach an all-time quarterly high. These threats embed themselves deep within the PC system storage stack, where standard antivirus solutions cannot detect them. Once embedded, they can steal user information, download other malicious software, or leverage the infected PC’s computing power to launch attacks against other PCs or networks. While these MBR attacks represent a relatively small portion of the overall PC malware landscape, McAfee Labs expects them to become a primary attack vector in 2013.
Mobile Malware Continues to Increase and Evolve: The number of mobile malware samples discovered by McAfee Labs in 2012 was 44 times the number found in 2011, meaning 95 percent of all mobile malware samples appeared in the last year alone. According to McAfee, cybercriminals are now dedicating the majority of their efforts to attacking the mobile Android platform, with an 85 percent jump of new Android-based malware samples in Q4 alone. The motivation for deploying mobile threats is rooted in the inherent value of the information found on mobile devices, including passwords and address books, as well as new “business” opportunities that are not available on the PC platform. These opportunities include Trojans that send SMS messages to premium services, then charge the user for each message sent.
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