Exposed Dixell/Copeland XWEB PRO refrigeration controllers with unpatched vulnerabilities, notably CVE-2026-25085, are being exploited as part of an SMTP botnet. These industrial control devices, commonly used in supermarkets and cold storage, are abused as tunnel gateways, residential proxy exits, and spam senders. Analysis shows coordinated outbound SMTP traffic targeting overlapping mail lists, indicating organized malicious use. The vulnerable devices lack security monitoring, enabling prolonged exploitation without detection.
The KeyHunter operation is a multi-vector cyber campaign by the Chinese-speaking threat actor leepsmarts targeting academic institutions and cloud infrastructure. It involves theft of large numbers of LLM API keys from misconfigured cloud platforms, creation of fraudulent student accounts at multiple universities, and processing of stolen Harvard alumni data. The operation uses AI agent frameworks and Telegram bots for automation. Parallel financial fraud includes cryptocurrency draining and credit card validation using stolen credentials. The infrastructure spans multiple countries and has been active since early 2026.
In October 2026, a Chinese-speaking threat actor conducted a global AI-assisted hacking campaign using the ARTEX penetration testing framework combined with multiple AI coding assistants. The attacks targeted organizations across finance, retail, education, cryptocurrency, and telecommunications sectors in over 20 countries worldwide. The campaign utilized custom scripts to maintain context across AI sessions and divided tasks among specialized AI agents. The attackers sought bulk personal data, transaction records, and mobile phone numbers, with indications of intent to sell stolen information on underground markets. The workflow included peer review among AI models to improve effectiveness. The campaign is financially motivated and opportunistic in nature.
Between April and July 2026, AOMEI Backupper, a Windows backup and disk cloning software, was compromised multiple times in short-lived supply chain attack windows. During these brief periods, users received a downloader for the ShinyRoad modular backdoor framework. The attacker, tracked as UNC7017, tampered with update server configurations to redirect users to malicious payloads, including the CrossRoad dropper, a modified Radmin Server with a malicious DLL, and the Adaptix C2 framework. The campaign used ephemeral tampering windows lasting only five to ten minutes, reverting quickly to authentic versions, which complicated detection. The attack affected a broad range of users opportunistically, with some higher education, IT services, and telecommunications organizations in multiple countries identified as compromised. AOMEI initially dismissed reports of tampering but later took corrective actions after repeated notifications.
A suspected Chinese-speaking threat actor linked to Red Heron conducted extensive exploitation campaigns from May to September 2026. The attacker exploited multiple vulnerabilities in WordPress (CVE-2026-63030, CVE-2026-60137) to breach a western government organization, stealing over 18,000 sensitive records including credentials and personally identifiable information. Additionally, the actor exploited CVE-2026-7273 in ZyXEL GS1900 switches, compromising 996 devices across 48 countries and exfiltrating configurations and credentials. The adversary demonstrated sophisticated capabilities such as custom tool development possibly using large language models, privilege escalation, and systematic data exfiltration via PowerShell-based techniques.
AnonyMousKIT is an AI-powered Phishing-as-a-Service platform engineered to disable Apple's Activation Lock on stolen devices. Operating as a credit-metered system, it automates credential harvesting through email, SMS, WhatsApp, and AI-driven voice phishing calls. The investigation exposed a reseller supply chain spanning 506 domains and 168 storefront brands active since early 2024. The platform targets owners of stolen Apple devices using device-specific lures with internal model identifiers and real-time Find My statuses. Conversational AI agents impersonating Apple Support conduct vishing operations, with over 200 calls placed primarily to Brazil at minimal cost. Coding vulnerabilities exposed 120,242 lines of operational logs, revealing 689 distinct WhatsApp operator accounts and detailed attack infrastructure. The ecosystem operates through a decentralized enterprise structure with developers, resellers, and hundreds of subscriber-operators monetizing stolen iPhone hardware through industrialized soc...
Mirage2FA is an active phishing-as-a-service toolkit built to steal Microsoft 365 credentials and authenticated sessions through Adversary-in-the-Middle attacks. Analysis shows 63.7% of identified victims are in the US, with Technology, Manufacturing, and Education among the most targeted industries. The operation generated thousands of compromise events between 2024 and 2026, including stolen session cookies, passwords, and SSO access. Once a Microsoft 365 session is hijacked, attackers gain access to corporate email, sensitive data, and trusted business accounts. The toolkit uses browser-based delivery through .htm, .xhtml, and .svg stagers, QR codes, JavaScript obfuscation, and WebSocket-based AiTM activity. Of 9,426 unique targeted email addresses, 4,532 were potentially compromised, representing approximately 48% success rate.
GoldDigger is a sophisticated Android banking trojan that primarily targets mobile banking users in South Africa and across Europe, with evidence suggesting plans for global expansion. The malware employs advanced evasion techniques including a custom packer called 'dpt-shell', anti-debugging mechanisms, and Frida detection. It disguises itself as legitimate airline and shopping applications to deceive victims. GoldDigger exploits Android Accessibility services to perform on-device fraud, steal credentials, intercept SMS-based two-factor authentication, and execute unauthorized transactions. A unique feature is its ability to run targeted banking applications in a virtual environment, allowing complete interception of API calls and runtime behavior. The malware maintains communication with command-and-control servers via encrypted WebSocket protocol, enabling capabilities including screen recording, audio capture, phishing overlays, and remote device manipulation.
The Greatness phishing-as-a-service (PhaaS) platform targets Microsoft 365 accounts using advanced phishing techniques including adversary-in-the-middle and device-code phishing. It spoofs RingCentral emails to bypass email security filters by exploiting whitelisting and safe-sender list trust. Post-compromise, attackers access Microsoft 365 data and services via stolen authentication tokens. The platform is sold to cybercriminals and has been active since at least mid-2022, targeting users in multiple countries. Researchers recommend auditing safe-sender lists and monitoring suspicious MFA-approved sign-ins.
Prinz Eugen is a newly discovered Go-based ransomware family first observed in April 2026, attributed to an actor known as ROOTBOY. The encryptor employs sophisticated techniques including ChaCha20-Poly1305 encryption, prioritizes recently modified files to maximize pressure on victims, and implements anti-forensic measures such as memory scrubbing and self-deletion. Unlike typical ransomware, it leaves no ransom note on disk, conducting all extortion communications out-of-band through leak sites and direct contact. The threat actor gains initial access through compromised RDP credentials, uses legitimate RMM tools like RemotePC for persistence, and creates backdoor admin accounts. Victims span multiple countries and sectors, with notable incidents including Standard Bank Group in South Africa and Transitions Pro Centre Val de Loire in France.
A Chinese-speaking cybercrime group has expanded its targeting to the European space, deploying previously undocumented malware and the Atlas backdoor. [...]
TA4922 is a highly sophisticated Chinese-speaking threat actor demonstrating rapid operational tempo and continually evolving malware capabilities. Initially targeting East Asia, particularly Japan, the group has expanded globally to Europe and Africa. The actor deploys multiple malware families including Atlas RAT, RomulusLoader, SilentRunLoader, and ValleyRAT (Winos4.0), alongside legitimate remote management tools like AnyDesk and SyncFuture. Campaigns use localized lures themed around HR, payroll, tax, and invoicing, targeting hundreds to thousands of recipients per campaign. TA4922 conducts credential phishing, fraud operations including credit card theft, and attempts to shift communications to out-of-band channels like LINE, WhatsApp, and Microsoft Teams. The group leverages legitimate cloud hosting services and trusted software for delivery and persistence, combining advanced tradecraft with financially motivated objectives such as data theft, fraud, access resale, and persistent remote access.
A sophisticated fraud campaign exploiting Indonesia's tax season targeted 67 million residents through fake Coretax applications distributed via phishing websites and WhatsApp social engineering. The GoldFactory threat cluster orchestrated operations using Gigabud.RAT and MMRat malware families with shared infrastructure abusing over 16 trusted brands across government and financial sectors. The attack chain combines vishing, screen recording, and remote access capabilities to achieve device compromise and unauthorized financial transfers. Estimated financial impact reaches USD 1.5-2 million nationwide, with global implications extending to USD 6 million annually across multiple countries. The industrialized malware-as-a-service infrastructure enables horizontal scaling across Thailand, Vietnam, Philippines, and South Africa, demonstrating a shift toward unified cross-border operations that systematically undermine trust in digital government services.
The Silver Fox threat group conducted phishing campaigns in December 2025 and January 2026, impersonating tax authorities in India and Russia. Malicious emails contained archives with a modified Rust-based RustSL loader that deployed ValleyRAT backdoor. Over 1600 malicious emails targeted organizations across industrial, consulting, retail, and transportation sectors. During investigation, a previously undocumented Python-based backdoor named ABCDoor was discovered, active since late 2024. The attacks utilized multi-stage infection chains involving encrypted payloads, custom ValleyRAT modules, and various persistence mechanisms including Phantom Persistence technique. ABCDoor features remote control capabilities, screen broadcasting using ffmpeg, and file manipulation functions. The group employed sophisticated evasion techniques including geofencing, string encryption, and mimicking legitimate VPN services.
The new CrystalX remote access Trojan combines pranks with full control over the victim’s computer. It also spies on its victims, steals their cryptocurrency and accounts, and uses advanced methods to bypass protection. We explain how it works, and how to avoid infection.
A sophisticated malware campaign targeting WhatsApp users has been observed since February 2026. The attack chain begins with malicious Visual Basic Script files sent via WhatsApp messages, which, when executed, initiate a multi-stage infection process. The malware uses renamed Windows utilities, retrieves payloads from trusted cloud services, and installs malicious MSI packages. The campaign employs social engineering, stealth techniques, and cloud-based payload hosting to establish persistence and escalate privileges on victim systems. The attackers utilize legitimate tools and trusted platforms to reduce visibility and increase the likelihood of successful execution. The final stage involves the delivery of unsigned MSI installers that enable remote access to compromised systems.
EvilTokens is a new Phishing-as-a-Service offering a turnkey Microsoft device code phishing kit. It enables attackers to harvest access and refresh tokens, granting unauthorized access to victims' Microsoft accounts. The kit supports post-compromise operations, allowing data exfiltration from various Microsoft services. EvilTokens has been rapidly adopted by cybercriminals since March 2026, impacting organizations globally. The service provides advanced capabilities for account takeover, including token conversion to Primary Refresh Tokens and browser cookies for persistent access. Phishing campaigns using EvilTokens target employees in finance, HR, logistics, and sales, primarily for Business Email Compromise attacks.
Spammers are disguising fraudulent links within legitimate survey platforms — emails containing these links easily bypass standard spam filters. We analyze the scheme, highlight the red flags, and provide defensive strategies.
