Late last year, in several high-profile and potent DDoS attacks, Linux-targeting Mirai (identified by Trend Micro as ELF_MIRAI family) revealed just how broken the Internet of Things ecosystem is. The malware is now making headlines again, thanks to a new Windows Trojan that drastically increases its distribution capabilities.Read More
In September 2016, we noticed that operators of the updated CRYSIS ransomware family (detected as RANSOM_CRYSIS) were targeting Australia and New Zealand businesses via remote desktop (RDP) brute force attacks. Since then, brute force RDP attacks are still ongoing, with both SMEs and large enterprises across the globe affected. In fact, the volume of these attacks doubled in January 2017 from a comparable period in late 2016. While a wide variety of sectors have been affected, the most consistent target has been the healthcare sector in the United States.Read More
Fileless infections are exactly what their namesake says: they’re infections that don’t involve malicious files being downloaded or written to the system’s disk. While fileless infections are not necessarily new or rare, it presents a serious threat to enterprises and end users given its capability to gain privileges and persist in the system of interest to an attacker—all while staying under the radar. For instance, fileless infections have been incorporated in a targeted bot delivery, leveraged to deliver ransomware, infect point-of-sale (PoS) systems, and perpetrate click fraud. The key point of the fileless infection for the attacker is to be able to evaluate each compromised system and make a decision whether the infection process should continue or vanish without a trace.
The cybercriminal group Lurk was one of the first to effectively employ fileless infection techniques in large-scale attacks—techniques that arguably became staples for other malefactors.Read More
How is it possible for users to lose hundreds of dollars in anomalous online bank transfers when all of their gadgets have security software installed?Read More
In the past weeks, information-stealing malware EyePyramid made headlines after it was used to steal 87GB of sensitive data from government offices, private companies and public organizations. More than 100 email domains and 18,000 email accounts were targeted, including those of high-profile victims in Italy, the U.S., Japan and Europe.Read More