Breaking Down Earth Estries’ Persistent TTPs in Prolonged Cyber Operations

November 8, 2024 at 04:49AM Earth Estries utilizes two distinct attack chains, exploiting vulnerabilities especially in Microsoft Exchange servers. The first chain employs CAB-delivered tools like PsExec and Cobalt Strike for lateral movement. The second chain uses web shells and backdoors like Zingdoor for data exfiltration. Continuous updates confirm their persistent threat. ### Meeting Takeaways … Read more