Cybercriminals Up Their Game with Beneath-the-OS Threats and Digitally-Signed Malware; Malicious URLs Eclipsing Botnets as Malware Distribution Leader
SANTA CLARA, Calif. – Feb. 21 2013 – McAfee today released the McAfee Threats Report: Fourth Quarter 2012, in which McAfee Labs revealed that sophisticated attacks originally targeting the financial services industry are now increasingly directed at other critical sectors of the economy, while an emerging set of new tactics and technologies are being implemented to evade industry-standard security measures. The report showed 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.
“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. “This represents a new chapter in cybersecurity 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.”
Leveraging 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, analyzing and correlating risks, and enabling instant remediation to protect enterprises and the public. In Q4 2012, McAfee Labs identified the following trends:
More Threats, More Availability, More Industries Targeted
As a group, unique password-stealing trojans grew 72 percent 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 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.
Increase in Infections beneath the OS
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 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.
Malicious Signed Binaries Circumvent System Security
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 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. 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. More information on mobile-specific malware can also be found in the recently-released 2012 Consumer Mobile Trends Report:
To learn more about malicious activity and the most recent threat findings in the full copy of the McAfee Threats Report, Fourth Quarter 2012, please visit: http://www.mcafee.com/us/resources/reports/rp-quarterly-threat-q4-2012.pdf
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