The eSentire Blog

Apr 08, 2026

STX RAT: A new RAT in 2026 with Infostealer Capabilities

What did we find?In late February 2026, eSentire's Threat Response Unit (TRU) observed an attempted delivery of a…

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Posts from TRU Intelligence Center

TRU Positive/Bulletin

16 M

EtherRAT & SYS_INFO Module: C2 on Ethereum (EtherHiding), Target Selection, CDN-Like Beacons

What did we find?In March 2026, eSentire's Threat Response Unit (TRU) detected EtherRAT in a customer's…

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6 M

How eSentire Runs Expert-level Threat Investigations at Scale with Claude

Originally posted by https://claude.com/customers/esentire. 99.96% ransomware containment…

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Managed Detection and Response

4 M

eSentire Wins Multiple Leader Badges in the G2 Spring 2026 Grid® Reports

We are thrilled to share that eSentire has been recognized with multiple badges by G2 as part of their…

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TRU Positive/Bulletin

9 M

MuddyWater APT + Tsundere Botnet: EtherHiding the C2

What did we find?In March 2026, eSentire's Threat Response Unit (TRU) investigated an open-directory web server…

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TRU Positive/Bulletin

24 M

North Korean APT Malware Analysis: DEV#POPPER RAT and OmniStealer (Everyday I'm Shufflin')

What did we find?In February 2026, eSentire's Threat Response Unit (TRU) detected DEV#POPPER, a sophisticated…

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Threat Response Unit

3 M

Microsoft Announces Disruption of Tycoon 2FA in Coordination with Industry Partners

March 4, 2026 – Today, Microsoft announced they took action to disrupt and coordinate seizure of infrastructure…

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Threat Response Unit

6 M

How Cybercriminals Customized Attacks for Five Industries in 2025

In 2025, identity-related cybercrime scaled rapidly with the expansion of "as-a-Service" models. Offering…

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9 M

From Classroom to SOC: How eSentire Cultivates Cybersecurity Excellence

Cyber threats are rapidly increasing in complexity, and threat actors are relying on phishing-as-a-service (PhaaS)…

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TRU Positive/Bulletin

22 M

Tenant from Hell: Prometei's Unauthorized Stay in Your Windows Server

What did we find? In January 2026, eSentire's Threat Response Unit (TRU) detected a malicious command attempting…

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