WARNING: Hackers Install Secret Backdoor on Thousands of Microsoft SQL Servers
Apr 01, 2020
Cybersecurity researchers today uncovered a sustained malicious campaign dating back to May 2018 that targets Windows machines running MS-SQL servers to deploy backdoors and other kinds of malware, including multi-functional remote access tools (RATs) and cryptominers.   Named " Vollgar " after the Vollar cryptocurrency it mines and its offensive "vulgar" modus operandi, researchers at Guardicore Labs  said the attack employs password brute-force to breach Microsoft SQL servers with weak credentials exposed to the Internet.   Researchers claim the attackers managed to successfully infect nearly 2,000-3,000 database servers daily over the past few weeks, with potential victims belonging to healthcare, aviation, IT & telecommunications, and higher education sectors across China, India, the US, South Korea, and Turkey.    Thankfully for those concerned, researchers have also released a script  to let sysadmins detect if any of their Windows MS-SQL servers have been...