Microsoft Warns of Continued Attacks Exploiting Apache Log4j Vulnerabilities

Microsoft is warning of continuing attempts by nation-state adversaries and commodity attackers to take advantage of security vulnerabilities uncovered in the Log4j open-source logging framework to deploy malware on vulnerable systems.

“Exploitation attempts and testing have remained high during the last weeks of December,” Microsoft Threat Intelligence Center (MSTIC) said in revised guidance published earlier this week. “We have observed many existing attackers adding exploits of these vulnerabilities in their existing malware kits and tactics, from coin miners to hands-on-keyboard attacks.”

Publicly disclosed by the Apache Software Foundation on December 10, 2021, the remote code execution (RCE) vulnerability in Apache Log4j 2, aka Log4Shell, has emerged as a new attack vector for widespread exploitation by a variety of threat actors. Read more:

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