Cyber risk and advisory programs that identify security gaps and build strategies to address them.
MDR that provides improved detection, 24/7 threat hunting, end-to-end coverage and most of all, complete Response.
Our team delivers the fastest response time in the industry. Threat suppression within just 4 hours of being engaged.
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24/7 Threat Investigation and Response.
Expert hunting, research and content.
Defend brute force attacks, active intrusions and unauthorized scans.
Protect assets from ransomware, trojans, rootkits and more.
Intelligence and visibility across AWS, O365, DevOps and more.
Configuration escalations, policy and posture management.
Detects malicious insider behavior leveraging Machine Learning models.
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eSentire was conducting a proof of concept (POC) with a potential customer. We installed an MDR for Network sensor, which immediately triggered an alert in our Security Operations Center (SOC) for a Command and Control check in for a PlugX trojan. Based on this, eSentire received permission from the customer to install an MDR for Endpoint sensor on the machine that triggered the alert of a PlugX trojan, a remote access tool (RAT) that uses modular plugins. It is a common tool used by multiple threat groups because it is complex and often evades typical security measures.
Investigation revealed that legitimate antivirus (AV) software had been used to install the malicious trojan without being detected by the AV, through a technique called dll hijacking. The trojan had a lot of complexity and encryption, so that it did not appear malicious. It included a “do not execute until 2013” time code, revealing that the machine had been infected for several years.
Read this incident report to find out how eSentire isolated, investigated and removed the longstanding threat in less than two weeks.