NetSupport RAT is the malicious abuse of the legitimate NetSupport Manager remote administration tool. Originally designed for IT support, threat actors exploit it to gain unauthorized system access, exfiltrate data, and deploy malware or info‑stealers, turning trusted functionality into a dangerous attack vector.

A new exploitation wave targeting BeyondTrust products has emerged following disclosure of CVE‑2026‑1731. Darktrace is observing early malicious activity across customer environments and highlights the importance of proactive defenses.

ダークトレースは、React2Shellの脆弱性をエクスプロイトするAI/LLM生成によるマルウェアを自社のCloudypots環境内で検知しました。この事例は、LLM（Large Language Model：大規模原語モデル）支援の開発によって低スキルの攻撃者であっても効果的なエクスプロイトツールを迅速に作成できることを示しています。このブログではその攻撃チェーンとAIで生成されたペイロードを分析し、容易に入手可能なAIサイバー脅威がもたらす、防御上の問題の深刻化について解説します。

This blog explores a macOS phishing campaign that leverages social engineering, AppleScript loaders, and attempted abuse of the macOS’ TCC feature to gain privileged access. It highlights a broader trend: attackers increasingly exploit user trust rather than system vulnerabilities, using staged payload delivery and persistence techniques to maintain long‑term access.

his blog details how to unpack malware like SnappyBee, a modular backdoor linked to Salt Typhoon, revealing its custom packing, DLL sideloading, dynamic API resolution, and multi‑stage in‑memory decryption. It provides analysts with a step‑by‑step guide to extract hidden payloads and understand advanced evasion techniques by sophisticated malware strains.

Financial institutions are facing a threat landscape shaped by identity-led intrusion, pre-disclosure exploitation, data-first ransomware, and growing cloud and AI governance blind spots. This blog explores the key threats and trends redefining cyber risk across the finance sector and what defenders must adapt to next.

ダークトレースは、北朝鮮に関係すると思われる、韓国のユーザーを標的としたJSEベースのスピアフィッシングによる攻撃キャンペーンを検知しました。攻撃者は政府機関を装ったおとり文書を使ってVS Codeトンネルを展開し、信頼されるMicrosoftインフラ経由で隠れたリモートアクセスを可能にしました。この攻撃は、正規のツールを悪用して検知を免れ、永続的アクセスを維持しようとする攻撃の増加を裏付けています。

Darktrace researchers observed threat actors exploiting reports of Venezuelan President Maduro’s arrest to deliver backdoor malware. Attackers often use ongoing world events make their malicious content appear more credible, increasingly the likelihood of a successful attack.

Medusa ransomware increasingly exploits remote monitoring and management (RMM) tools for persistence, lateral movement, and data exfiltration. This blog explores Medusa’s tactics, real-world detections, and how anomaly-based solutions with Autonomous Response can stop attacks.

Darktrace observed opportunistic exploitation of the React2Shell vulnerability within minutes of honeypot deployment. Attackers leveraged shell scripts, HTTP beaconing, and cryptomining activity, highlighting rapid adaptation to unpatched flaws.

Atomic Stealer is rapidly emerging as a significant macOS threat, using infostealing and backdoor capabilities to target Apple users worldwide. Darktrace observed campaigns in 24 countries, detecting activity across multiple kill chain stages and providing recommended actions to contain attacks.

TAG-150, a MaaS operator active since March 2025, uses CastleLoader and CastleRAT in multi-stage attacks. CastleLoader acts as a loader that retrieves and executes additional malware through deceptive domains and malicious GitHub repositories, while CastleRAT functions as a remote access trojan providing attackers with system control, command execution, and data theft capabilities. Darktrace detected and blocked early attack activity, leveraging Autonomous Response to prevent further compromise and protect enterprise networks.

Xillen Stealer v4/v5 introduces advanced features to evade AI detection, steal credentials, cryptocurrency, and sensitive data across browsers, password managers, and cloud environments. With polymorphic engines, container persistence, and behavioral mimicking, this Python-based malware highlights evolving threats and future AI integration in cybercrime campaigns.

Earlier this year, Darktrace investigated the Vo1d malware campaign, tracing its activity from DGA-based DNS beaconing to major cloud infrastructure and ultimately to its C2 server communications. This blog explores how Darktrace detected Vo1d and presents a detailed timeline of Cyber AI Analyst’s investigation.

Darktrace has been named the only Customers’ Choice in the 2025 Gartner® Peer Insights™ Voice of the Customer for Network Detection and Response, earning a 4.8/5 rating from 242 reviews and being named both Gartner Customers’ Choice and a Magic Quadrant Leader recognition.

Darktrace investigates a DragonForce-affiliated ransomware attack targeting the manufacturing sector. The blog details the attack lifecycle, from network scanning and credential brute-forcing to data exfiltration and file encryption.

In October 2025, Microsoft disclosed a critical vulnerability in its Windows Server Update Service (WSUS). This blog details Darktrace’s analysis of the vulnerability, focusing on two US customers where active exploitation was detected.

Darktrace delivers the next evolution of NDR, extending an industry-first bridge across the network and endpoint gap with Self-Learning AI.

中国に関係のあるサイバー諜報グループ、Salt TyphoonがDLLサイドローディングやゼロデイエクスプロイト等のステルス手法を使って世界的なインフラを狙っていることが確認されました。ダークトレースは最近Salt Typhoonの戦術と一致する初期の侵入アクティビティを検知しました。これは国家が支援する執拗な脅威に対する防御において従来のシグネチャベースの手法ではなく異常ベースの検知が重要であることを裏付けています。

Starting in July 2025, Akira ransomware attacks surged globally, targeting SonicWall SSL VPN devices. In August, Darktrace detected suspicious activity in a US network, including scanning, lateral movement, and data exfiltration. A compromised SonicWall VPN server linked the incident to the broader Akira campaign exploiting known vulnerabilities.