Mac Malware Delivered via Firefox Exploits Analyzed

guest · Jun 25, 2019

Mac Malware Delivered via Firefox Exploits Analyzed
June 24, 2019
https://www.securityweek.com/mac-malware-delivered-firefox-exploits-analyzed

Updates released by Mozilla last Tuesday and Thursday for Firefox addressed two actively exploited vulnerabilities. The flaws, CVE-2019-11708 and CVE-2019-11707, allow an attacker to remotely escape the sandbox and execute arbitrary code.

The first piece of malware, delivered as a file named Finder.app, is tracked as OSX.NetWire.A. Netwire, also known as Wirenet, is a piece of malware that emerged in 2012, designed for stealing passwords from Linux and OS X systems.
According to Wardle, the malware involved in the recent Firefox zero-day attacks is designed to run on many versions of the Apple operating system, including all the way back to OS X 10.5 Leopard, released in 2007.

The second piece of malware has been linked to Mokes, a threat that Kaspersky first analyzed in 2016.
The new malware, which Wardle has dubbed OSX.Mokes.B, has many of the same capabilities, along with significant similarities in code.
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Despite the fact that both malware samples have been used in high-profile attacks, they still have fairly low detection rates on VirusTotal at the time of writing (Netwire, Mokes). On the other hand, that does not necessarily mean that advanced cybersecurity products would not detect them once they landed on a machine.
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Rasheed187 · Jun 26, 2019

The question that comes to mind is, why has't anyone developed a HIPS/anti-logger for the Mac yet, would be quite cool. I'm talking about a tool like SpyShelter for example. But I'm guessing it would probably not sell too well.

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