The BOSSAI campaign involves a single operator using a mesh of 12 AI agents to conduct persistent attacks across 11 countries. The attacker leveraged both abliterated and commercial AI models in specialized roles such as infrastructure building, vulnerability scanning, and exploitation. Primary targets included emergency services, universities, financial institutions, and government systems in Taiwan, Thailand, and Mexico. Confirmed breaches include exfiltration of medical records from Taipei emergency services, student data from Thai universities, and over 200,000 Mexican residential phone records. Despite attempts to jailbreak commercial AI models, the attacker relied on less effective abliterated models. The investigation uncovered the full operational infrastructure, including command histories and victim data, highlighting both the capabilities and limitations of AI-augmented autonomous exploitation.
A large-scale supply chain compromise affected MECOOL Android set-top boxes manufactured by Videostrong Technology Co., Ltd. Over 1.3 million devices were pre-infected with the x.cpe backdoor, enabling system-level access via MQTT infrastructure. The backdoor deploys multiple payloads including residential proxy SDKs and various ad fraud modules. Approximately 500,000 infected devices remain active, primarily in Malaysia, Mexico, and Brazil. The operation supports a pay-per-install campaign that fuels ad fraud and proxy ecosystems. Google has permanently banned Videostrong from the Android ecosystem due to this compromise.
An unauthorized relay service has been installing legitimate OpenAI Codex and Anthropic Claude Code CLI tools on enterprise systems, reconfiguring them to route requests through third-party infrastructure. This activity, active since early 2026, primarily affects organizations in mainland China, South Korea, Taiwan, and Malaysia across multiple industrial sectors. The relay disables execution sandboxes, enables network access, replaces API credentials with relay-issued tokens, and disables telemetry, granting operators full user privilege command execution and access to sensitive data. No abuse evidence is currently reported.
SiriusQT is a Windows Remote Access Trojan (RAT) distributed as Malware-as-a-Service since April 2026. It offers advanced capabilities including hidden VNC, credential theft, cryptocurrency wallet collection, clipboard monitoring, keylogging, process injection, and persistence. The malware uses custom encrypted command-and-control communication and has both native C++ and .NET loader variants. It is distributed primarily by a reseller named GhostKernel and targets victims in several European countries including the UK, Germany, France, Spain, Italy, and the Netherlands.
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.
Hirudo is an Android banking remote access trojan that combines credential theft with live remote control capabilities. It is distributed via shopping and entertainment apps acting as droppers, which install the trojan behind fake update prompts. The malware replaces legitimate banking apps with patched versions that disable internal security checks. The campaign targets eight Indonesian banking apps covering seven banks, embedding a hooking engine in the replacements. Distribution uses legitimate advertising infrastructure including Amazon CloudFront. Targeting extends beyond Indonesia to China, India, Mexico, Morocco, Thailand, and Malaysia. Backend data from August 2026 revealed thousands of stolen credentials and device records. No CVE or official patch information is available.
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.
BambooToken is a multiplatform malware family active since at least February 2023 that uses the MQTT protocol for covert command and control. It targets Windows and Linux systems primarily across Asia and South America, infecting backend servers in various sectors including mobile apps, legal, financial, software, hotels, and GitLab instances. The malware employs sideloading via Tendyron's OnKey authentication software, common in Chinese banking and government networks. It has capabilities for host enumeration, antivirus detection, and potential keylogging and clipboard theft. The attacker uses MQTT's publish-subscribe model and Cloudflare proxies to conceal infrastructure and operations. The campaign demonstrates sophisticated operational security and widespread infections.
An active malware campaign utilizes fraudulent software-download websites impersonating trusted vendors to distribute malicious installers. The operation primarily targets China-based operations of multinational organizations and Chinese-speaking users across healthcare, manufacturing, gaming, technology, logistics, government, and education sectors. The malicious installers deploy malware capable of establishing persistence, disabling Windows Update services, configuring Microsoft Defender exclusions, deleting volume shadow copies, and establishing command-and-control communications. Microsoft attributes this activity with moderate confidence to the Chinese threat cluster Silver Fox, known for using spoofed vendor download pages to distribute remote access trojans. The campaign leverages high-fidelity clones of legitimate vendor websites hosted on Chinese domains, delivering server-side generated payloads through ZIP archives.
A malware campaign uses counterfeit software-download websites impersonating trusted vendors to distribute malicious installers. The activity primarily targets China-based operations of multinational organizations and Chinese-speaking users across healthcare, manufacturing, gaming, technology, logistics, government, and education sectors. Malicious installers deploy payloads that establish persistence, disable security protections, and communicate with attacker-controlled infrastructure. The campaign employs dynamically generated installers with rotating hashes, spoofed vendor pages on .com.cn and .hl.cn domains, and randomized payload staging paths. Follow-on activity includes disabling Windows Defender, deleting shadow copies, neutralizing Windows Update, creating scheduled tasks for persistence, and establishing command-and-control over non-standard ports. Microsoft assesses this activity aligns with publicly reported Silver Fox operations but has not attributed it to a nation-state actor.
Attackers are distributing the ValleyRAT backdoor disguised as legitimate Chinese adware called QN Wallpaper. The malicious installer deploys a modified version of the wallpaper management tool and uses DLL sideloading techniques to execute malicious code under a signed process. ValleyRAT is a sophisticated backdoor capable of keylogging, clipboard monitoring, screenshot capture, and delivering additional modules. The campaign has affected over 1,500 unique users, primarily in China and India, with more than 100,000 detections throughout 2026. Attribution points to the Silver Fox threat group, known for operating ValleyRAT. The attackers disabled Windows Defender, established persistence mechanisms, and implemented process protection techniques including marking processes as critical to trigger system crashes if terminated.
A misconfigured open directory on IP address 86.53.111[.]212:8080 exposed critical details of an active cybercrime operation, including Moobot botnet source code, denial of service tools with attack records, and a fraudulent Chinese identity verification service. The exposed directory also contained StresD Pro+, a multi-user DDoS panel with 16 registered accounts and 32 recorded attacks on the collection date. The recovered Moobot source code revealed a previously unknown dormant download-and-execute functionality that represents the most plausible mechanism behind APT28's repurposing of Moobot for deploying malware to compromised devices. Despite a 2024 court-authorized disruption by the U.S. Department of Justice, Moobot remains active as of August 2026, with one active C2 server observed conducting over 500 short-duration attacks throughout the month, consistent with DDoS-as-a-service operations.
Three distinct implants—SPEAKINGSTONE, DARKLANTERN, and ENDLESSDOORS—have been discovered embedded in ZBT router firmware distributed through a global supply chain reaching the United States, Canada, Australia, Philippines, Germany, and Russia. DARKLANTERN is an unauthenticated UDP backdoor listening on port 9992, offering root shell access from the internet with trivial MAC address bypass. SPEAKINGSTONE is a phone-home surveillance implant that beacons to ZBT's cloud infrastructure, capable of DNS hijacking, ISP credential theft, and remote command execution. A sinkholed backup domain revealed 392 devices, 390 located in China, primarily on China Mobile's network. Internet scans identified 203 DARKLANTERN instances across 22 countries. These implants use plaintext protocols without authentication, making them hijackable by any network adversary. The affected hardware appears in white-labeled consumer products sold through mainstream retailers, representing embedded surveillance capabilities in commerciall...
Cisco Talos identified a Chinese-speaking cybercrime group, UAT-10147, conducting large-scale attacks against Windows and Linux web servers globally. The group exploits publicly disclosed vulnerabilities to gain initial access and integrates AI-driven tools to automate exploitation, reconnaissance, payload generation, validation, and persistence. Targets include organizations in government, education, media, technology, and gaming sectors across Brazil, Bolivia, China, Canada, and Vietnam. The actor deploys malware for SEO fraud and data theft, using multiple open-source offensive frameworks and privilege escalation tools. The infection chains involve multi-stage scripts that evade detection and establish persistence via backdoors and rogue accounts. Talos assesses this as a financially motivated campaign leveraging semi-autonomous AI orchestration to scale complex intrusions efficiently.
A thriving gray market has emerged offering discounted access to AI models through fraudulent account registrations that exploit free trials and startup credits. Services like Poison Claude and Ecomagent offer 70-90% discounts by creating fake accounts on platforms such as AWS Bedrock and Google Cloud, then reselling access through custom API endpoints. The demand is driven by cost considerations, access restrictions in regions like China, and desire for anonymity. Fraudulent registration campaigns targeting AI video services show over 105,000 brute-force signup attempts using bots, VPNs, and disposable email domains. The operations leverage residential proxies to evade detection and accept cryptocurrency payments. These services operate through sophisticated AI gateways and are advertised on underground forums and messaging platforms, particularly in Chinese-language markets, representing a significant platform abuse challenge for AI service providers.
Researchers uncovered a fractured criminal ecosystem built around Flying Eagle, an Android remote access tool whose source code was stolen in early 2026 along with nearly 200 customer databases. The investigation began with a malicious APK impersonating a Chinese Provincial Public Security Bureau app, leading to identification of 170 active servers running the framework. Two Telegram channels, SQLRCE0 and Yx Technology, distribute modified versions with operational support and cash-out services at 20-50% transaction fees. The platform combines APK generation and C2 device management with phishing overlays targeting financial, adult, and government services. A successor platform called Night Dragon was introduced in June 2026, featuring enhanced credential capture capabilities for Chinese banking apps, cryptocurrency wallets, and social media platforms. The activity primarily targets Chinese citizens through social engineering lures, though international templates suggest broader targeting capability.
The Gentlemen ransomware-as-a-service group emerged as a top-10 threat actor in the first half of 2026. The group exploits vulnerabilities in internet-facing devices like VPNs and firewalls, potentially collaborating with initial access brokers. They employ comprehensive reconnaissance using tools like SharpADWS, NetScan, and Advanced IP Scanner, capturing network traffic with netsh. The attackers disable security products through BYOVD techniques using vulnerable drivers, and deploy custom Go-based backdoors and ransomware variants. They spread laterally via GPO deployment and PsExec, encrypt files using Curve25519 and XChaCha20, and recently developed a C-based ransomware variant using AES256-GCM and RSA. The group targets multiple industries worldwide, particularly in Brazil, China, Indonesia, Taiwan, and Thailand, with attacks focusing on manufacturing, IT services, healthcare, and financial sectors.
AryStinger is a malware family that hijacks over 4,300 outdated routers built on Realtek RTL819X chips, primarily D-Link DIR-850L devices, to create a stealthy reconnaissance and intrusion support network. It exploits old vulnerabilities disclosed in 2013 and 2016 to install a lightweight Linux binary that performs distributed scanning and information gathering without typical malicious activities like file encryption or cryptocurrency mining. A second, more capable Go-based build targets NAS devices via a 2025 code injection vulnerability. The malware communicates with its command and control infrastructure using obfuscated protocols and establishes persistence via Dropbear SSH. The infected routers act as Executors that perform parallel scanning tasks, enabling efficient network footprinting. The infection is concentrated mainly in South Korea and China but also affects other countries. The malware's low detection rate and use of legacy hardware with no firmware updates pose ongoing risks to privacy, enterprise security, and national infrastructure.
A previously undocumented malware botnet named AryStinger has compromised more than 4,000 outdated routers to turn them into proxies for malicious traffic. [...]
Since late 2025, cybercriminals have been exploiting Wallpaper Engine, a popular live wallpaper application on Steam, to distribute malware through Steam Workshop. Attackers target primarily Chinese and Russian gamers by embedding malicious code within application wallpapers shared on the platform. These compromised wallpapers deliver various malware types including infostealers, backdoors, crypto miners, and ransomware. One analyzed sample dropped DarkKomet backdoor while hijacking Steam sessions to steal account credentials. The malware modifies system libraries to locate Steam installations and exfiltrate data to attacker-controlled servers. Compromised accounts are then used to upload additional malicious wallpapers. The diverse malware families suggest multiple independent hacking groups are exploiting this distribution method. Infected wallpapers received thousands of downloads before removal, with 89% of infections occurring in China.
