Second, unlike largescale ransomware distribution botnets like Emotet that leverage spam to spread and grow, Chaos propagates through known CVEs and brute forced as well as stolen SSH keys."įurther Reading Hackers are actively exploiting BIG-IP vulnerability with a 9.8 severity ratingCVEs refer to the mechanism used to track specific vulnerabilities.
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"First, it is designed to work across several architectures, including: ARM, Intel (i386), MIPS and PowerPC-in addition to both Windows and Linux operating systems. "The potency of the Chaos malware stems from a few factors," Black Lotus Labs researchers wrote in a Wednesday morning blog post. There are more than 100 unique samples in the wild. As of Tuesday, the number reached 111.īlack Lotus has observed interactions with these staging servers from both embedded Linux devices as well as enterprise servers, including one in Europe that was hosting an instance of GitLab. Staging servers used to infect new devices have mushroomed in recent months, growing from 39 in May to 93 in August. From June through mid-July, researchers found hundreds of unique IP addresses representing compromised Chaos devices. Chaos emerged no later than April 16, when the first cluster of control servers went live in the wild. Researchers have revealed a never-before-seen piece of cross-platform malware that has infected a wide range of Linux and Windows devices, including small office routers, FreeBSD boxes, and large enterprise servers.īlack Lotus Labs, the research arm of security firm Lumen, is calling the malware Chaos, a word that repeatedly appears in function names, certificates, and file names it uses.
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