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Noodle RAT: Reviewing the Backdoor Used by Chinese-Speaking Groups

This blog entry provides an analysis of the Noodle RAT backdoor, which is likely being used by multiple Chinese-speaking groups engaged in espionage and other types of cybercrime.

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AI
Guarding AI Models From Malicious Alterations in the AI PC Era

This article discusses the importance of properly identifying and protecting AI model files and their associated assets, such as labels, from malicious or even unintended tampering.

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APTs
Router Roulette: Cybercriminals and Nation-States Sharing Compromised Networks

This blog entry aims to highlight the dangers of internet-facing routers and elaborate on Pawn Storm's exploitation of EdgeRouters, complementing the FBI's advisory from February 27, 2024.

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Ransomware & extortion
Unveiling the Fallout: Operation Cronos' Impact on LockBit Following Landmark Disruption

Our new article provides key highlights and takeaways from Operation Cronos' disruption of LockBit's operations, as well as telemetry details on how LockBit actors operated post-disruption.

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Ransomware & extortion
Agenda Ransomware Propagates to vCenters and ESXi via Custom PowerShell Script

This blog entry discusses the Agenda ransomware group's use of its latest Rust variant to propagate to VMWare vCenter and ESXi servers.

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APTs
Earth Krahang Exploits Intergovernmental Trust to Launch Cross-Government Attacks

Since early 2022, we have been monitoring an APT campaign that targets several government entities worldwide, with a strong focus in Southeast Asia, but also seen targeting Europe, America, and Africa.

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Exploits & Zero-Days
CVE-2024-21412: DarkGate Operators Exploit Microsoft Windows SmartScreen Bypass in Zero-Day Campaign

In addition to our Water Hydra APT zero day analysis, the Zero Day Initiative (ZDI) observed a DarkGate campaign which we discovered in mid-January 2024 where DarkGate operators exploited CVE-2024-21412.

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Exploits & Zero-Days
Threat Actor Groups, Including Black Basta, are Exploiting Recent ScreenConnect Vulnerabilities

This blog entry gives a detailed analysis of these recent ScreenConnect vulnerabilities. We also discuss our discovery of threat actor groups, including Black Basta and Bl00dy Ransomware gangs, that are actively exploiting CVE-2024-1708 and CVE-2024-1709 based on our telemetry.

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Ransomware & extortion
LockBit Attempts to Stay Afloat With a New Version

This research is the result of our collaboration with the National Crime Agency in the United Kingdom, who took action against LockBit as part of Operation Cronos, an international effort resulting in the undermining of its operations.

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APTsTargeted attacks
Earth Preta Campaign Uses DOPLUGS to Target Asia

In this blog entry, we focus on Earth Preta's campaign that employed a variant of the DOPLUGS malware to target Asian countries.

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