FortiGuard Labs has been documenting a spike in new attacks targeting a buffer overflow vulnerability in the WebDAV service in Microsoft IIS 6.0, peaking on Apr 13, 2018 when we logged over 4 million triggers.
CVE-2018-0838 is one of the ‘type confusion’ bugs in the Microsoft Edge Chakra Engine that was fixed by Microsoft three months ago. This bug causes memory corruption and can possibly be exploited to execute arbitrary code when a vulnerable system browses a malicious web page via Microsoft Edge.
As we continue to keep track of the latest IoT botnets, the FortiGuard Labs team has seen an increasing number of Mirai variants, thanks to the source code being made public two years ago. Since then, threat actors have been adding their own flavours to the original recipe.
Fortinet FortiGuard Labs today unveiled the findings of its latest Global Threat Landscape Report. The research reveals an evolution of malware to exploit cryptocurrencies.
Several days ago, FortiGuard Labs captured a malware sample that was exploiting the Microsoft Office vulnerability CVE-2017-11882 patched by Microsoft last November. The sample is an RTF document with an Equation object. By analyzing its behavior in my test environment, I realized that it spreads a new variant of Remcos RAT, version “2.0.4 Pro,” that was released on April 7, 2018 from its official website. It is able to control the victim’s PC after infection.
GandCrab is one of the most talked about ransomware families this year primarily due to its increasing distribution volume, as we described in our previous article. At the end of last month, FortiGuard Labs discovered a new spam wave from the same campaign delivering the latest version, GandCrab v3.
In February 2018, several Russian nuclear scientists were arrested for allegedly mining cryptocurrencies using computing resources located at a Russian nuclear warhead facility. Globally, cryptominers are rapidly increasing and spreading for an obvious reason: it’s lucrative.
Recently, FortiGuard Labs has been observing a surge in an email spam campaign delivering the latest GandCrab v2.1 ransomware. This article provides a basic overview of this malicious campaign, and points out details that can help users identify it.