Enlarge / This image was the profile banner of one of the accounts allegedly run by the Internet Research Agency, the organization that ran social media "influence campaigns" in Russia, Germany, Ukraine, and the US dating back to 2009. (credit: A Russian troll)
The National Security Agency says that Russian state hackers are compromising multiple VMware systems in attacks that allow the hackers to install malware, gain unauthorized access to sensitive data, and maintain a persistent hold on widely used remote work platforms.
The in-progress attacks are exploiting a security bug that remained unpatched until last Thursday, the agency reported on Monday. CVE-2020-4006, as the flaw is tracked, is a command-injection flaw, meaning it allows attackers to execute commands of their choice on the operating system running the vulnerable software. These vulnerabilities are the result of code that fails to filter unsafe user input such as HTTP headers or cookies. VMware patched CVE-2020-4006 after being tipped off by the NSA.
A hacker’s Holy Grail
Attackers from a group sponsored by the Russian government are exploiting the vulnerability to gain initial access to vulnerable systems. They then upload a Web shell that gives a persistent interface for running server commands. Using the command interface, the hackers are eventually able to access the active directory, the part of Microsoft Windows server operating systems that hackers consider the Holy Grail because it allows them to create accounts, change passwords, and carry out other highly privileged tasks.
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