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Cisco Talos researchers observed the new wiper malware in a destructive attack against an unnamed critical infrastructure organization.
Threat actor "Velvet Ant" has been exploiting a vulnerability in Cisco's NX-OS Software for managing a variety of switches, executing commands and dropping custom malware.
The nation-stage threat group deployed custom malware on archaic versions of Cisco's router operating system. Experts warn that such attacks targeting network infrastructure are on the rise.
Unpatched Cisco bugs, tracked as CVE-2023-20025 and CVE-2023-20026, allow lateral movement, data theft, and malware infestations.
Sites spoofing Grammarly and a Cisco webpage are spreading the DarkTortilla threat, which is filled with follow-on malware attacks.
The malware has been in circulation since 2020, with sophisticated, advanced malicious actors taking advantage of the vulnerabilities in SOHO routers as the work-from-home population expands rapidly.