The attack, confirmed to be a ransomware attack by Chile's CSIRT, involved the Rorschach ransomware variant and utilized DLL sideloading vulnerabilities in legitimate software executables to load the malicious DLL.

Chilean Telecom Giant GTD Suffers Disruptive Attacks Affecting its Infrastructure-as-a-Service Platform

Chile's Grupo GTD warns that a cyberattack has impacted its Infrastructure as a Service (IaaS) platform, disrupting online services. Grupo GTD is a telecommunications company offering services throughout Latin America, with a presence in Chile, Spain, Columbia, and Peru. The company provides various IT services, including internet access, mobile and landline telephone, and data center and IT managed services. On the morning of October 23rd, GTD suffered a cyberattack that impacted numerous services, including its data centers, internet access, and Voice-over-IP (VoIP). "We understand the importance of proactive and fluid communication in the face of incidents, therefore, in accordance with what we previously discussed on the phone, I would like to inform you that we are experiencing a partial impact on services as a result of a cybersecurity incident," reads a GTD security incident notification. "This impact is limited to part of our laaS platform and some shared services (IP telephony services, VPNs, and OTT television system). Our communication COR, as well as our ISP, are operating normally."

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