Michael Mimoso

New Iteration of TDSS/TDL-4 Botnet Uses Domain Fluxing to Avoid Detection

A new version of the TDSS/TDL-4 botnet is rapidly growing, primarily because it’s having great success using an evasion technique known as a domain generation algorithm (DGA) to avoid detection, researchers at Damballa Security revealed today.The algorithm helps the latest version of the botnet carry out click-fraud campaigns and is used primarily to rapidly move communication between victims and command-and-control servers from domain to domain, a technique known as domain fluxing, similar to fast fluxing.

Flame C&C Server Analysis Reveals New Malware in the Wild

Forensic analysis of a number of Flame malware toolkit command-and-control servers revealed an additional three unidentified pieces of malicious code are under the control of the attackers, including one in the wild. Researchers at Kaspersky Lab, Symantec, CERT-Bund/BSI, and the International Telecommunication Union’s Impact Alliance said today they also pinpointed the first work done on the Flame espionage campaign was carried out in 2006, much earlier than the 2010 date development was initially thought to have begun.

Tool Scans for RTF Files Spreading Malware in Targeted Attacks

Exploits embedded inside Microsoft Office documents such as Word, PDFs and Excel spreadsheets have been at the core of many targeted attacks during the past 24 months. Detection of these attack methods is improving and nimble hackers are recognizing the need for new avenues into enterprise networks. Some have been finding success using rich text format (RTF) files to spread malware that exploits Office vulnerabilities.

New PDF Attack Targets Aviation Defense Industry

by Michael Mimoso
1

FireEye reported today it had detected a new critical PDF attack targeting the aviation defense industry. Malware Page exploits a stack-based buffer overflow vulnerability in Adobe Acrobat and Adobe Reader. An attacker would be able to execute code remotely via a crafted argument to the getIcon method of a Collab object, according to the CVE alert.

Microsoft Carries out Nitol Botnet Takedown

by Michael Mimoso
1

A botnet known as Nitol, built on the backs of PCs and laptops loaded with malware somewhere in the supply chain, was taken down by Microsoft. Microsoft’s Digital Crimes Unit was given permission this week by the U.S. District Court for the Eastern District of Virginia to take over the 3322.org domain and more than 70,000 sub-domains hosting the Nitol botnet. 

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