Latest cybersecurity reporting from selected sources.

Chinese hackers tracked as 'UAT-7810' are actively evolving their malware to expand their Operational Relay Box (ORB) network by compromising internet-facing networking devices, primarily unpatched Ruckus routers. [...]

RustDuck is a small, evolving DDoS botnet migrating to Rust. It uses advanced encryption, anti-analysis evasion, and exploits known IoT flaws. Since February 2026, researchers at QiAnXin’s XLab have been tracking a new malware family, called RustDuck, that hijacks routers, cameras, Android set-top boxes, and exposed servers, then uses them to flood targets with junk […]

A new two-stage malware family called RustDuck is hijacking home routers, IP cameras, Android boxes, and poorly secured servers, then stitching them into a network built to knock websites and online services offline

Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape Malware Newsletter More Than 4,000 Legacy Routers Compromised by AryStinger, Turned into Global Attack Proxies for Hackers   A VBScript campaign distributed through WhatsApp deploying RMM software  Lost in relocation: analysis of a new loader distributing CASTLESTEALER   […]

A new malware family is turning forgotten home routers into a distributed reconnaissance and proxy network, not the DDoS botnet these devices usually end up in. QiAnXin's XLab calls it AryStinger and counts at least 4,300 infected routers, a total it says is still rising

C0XMO is a new Gafgyt botnet variant exploiting old router flaws, spreading across IoT devices, killing rivals, and enabling large-scale DDoS attacks. In March 2026, FortiGuard Labs discovered a new variant of the Gafgyt botnet, dubbed C0XMO, which is noticeably more capable than its predecessors. The malware spreads through CVE-2021-27137, a stack buffer overflow in […]

A new variant of the Gafgyt botnet called C0XMO is targeting DD-WRT router firmware and can move to other device types with various CPU architectures. [...]

A new Mirai-based malware campaign is actively exploiting CVE-2025-29635, a high-severity command-injection vulnerability affecting D-Link DIR-823X routers, to enlist devices into the botnet. [...]

Heard of fileless malware? How about malwareless cyber espionage? Russia's APT28 is spying on global organizations by modifying just one DNS setting in vulnerable routers.

Cybersecurity researchers have flagged a new variant ofmalware called Chaosthat'scapable of hitting misconfigured cloud deployments, marking an expansion of the botnet's targeting infrastructure

A court-authorized international law enforcement operation has dismantled a criminal proxy service named SocksEscort that enslaved thousands of residential routers worldwide into a botnet for committing large-scale fraud

Cybersecurity researchers have discovered a new malware called KadNap that's primarily targeting Asus routers to enlist them into a botnet for proxying malicious traffic

A newly discovered botnet malware called KadNap is targeting ASUS routers and other edge networking devices to turn them into proxies for malicious traffic. [...]

A newly discovered toolkit called DKnife has been used since 2019 to hijack traffic at the edge-device level and deliver malware in espionage campaigns. [...]

DKnife is a Chinese made malware framework that targets Chinese-based users

Cybersecurity researchers have taken the wraps off a gateway-monitoring and adversary-in-the-middle (AitM) framework dubbed DKnife that's operated by China-nexus threat actors since at least 2019

Cybersecurity researchers have shed light on the inner workings of a botnet malware called PolarEdge

Malware campaigns distributing the RondoDox botnet have expanded their targeting focus to exploit more than 50 vulnerabilities across over 30 vendors

A proxy network known as REM Proxy is powered by malware known as SystemBC, offering about 80% of the botnet to its users, according to new findings from the Black Lotus Labs team at Lumen Technologies

PolarNet Has Hallmarks of an Operational Relay BoxNearly 40,000 enterprise-grade devices and consumer-class routers, IP cameras and more are infected with malware researchers codenamed PolarEdge, controlled by a botnet of the same name, which experts suspect is designed to hide traffic tied to cyberespionage operations.