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IT attack shift

Sophisticated attacks originally against the financial services sector are increasingly directed at other critical sectors of the economy, while an emerging set of new tactics and technologies are evading industry-standard security measures. That’s according to a new report from an IT security product company.

McAfee pointed to the continued proliferation of password-stealing trojans and advanced persistent threats (APTs) such as Operation High Roller and Project Bliztkrieg, and the expansion of their attacks to government, manufacturing and commercial transaction infrastructure targets.

Vincent Weafer, senior vice president of McAfee Labs, said: “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. 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 cyber-crime weapons, as well as creative new approaches to thwarting security measures common across industries.”

Using data from McAfee’s Global Threat Intelligence (GTI) network, the McAfee Labs team of 500 multidisciplinary researchers in 30 countries follows the complete range of threats in real time, identifying application vulnerabilities, analysing and correlating risks, and enabling instant remediation to protect enterprises and the public. In Q4 2012, McAfee Labs identified the following trends:

As a group, unique password-stealing trojans grew 72 percent in Q4 as cyber-criminals realised 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 customised 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.

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 percent 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.

The volume of Master Boot Record-related malware climbed 27 percent 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 PCs 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.

The number of electronically-signed malware samples doubled over the course of Q4. This clearly indicates that cybercriminals have decided that signing malware binaries is one of the best ways to circumvent standard system security measures.

Mobile malware

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. Cyber-criminals 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.

More information on mobile-specific malware can also be found in the recently-released 2012 Consumer Mobile Trends Report:
http://www.mcafee.com/us/resources/reports/rp-mobile-security-consumer-trends.pdf

To learn more about malicious activity and the most recent threat findings in the full copy of the McAfee Threats Report, Fourth Quarter 2012, visit: http://www.mcafee.com/us/resources/reports/rp-quarterly-threat-q4-2012.pdf


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