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Hackers compromised the infrastructure of Onamae.com Desktop Cloud, a VPS service operated by GMO Internet in Japan, and installed malicious programs on up to 26,739 customer servers. The company confirmed the intrusion on October 20, 2026. It began progressively shutting down customer servers at 04:00 local time on October 21, and all De…
FortiGuard Labs analyzed a SectopRAT variant that is embedded in legitimate software to evade detection. The malware uses a multi-stage loader to extract its payload from files, then applies API hashing, indirect function calls and in-memory loading to run the final .NET payload. Once running, it sets up encrypted communication with its C…
Records were exported from the management information system (MIS) of Southville Primary School in Bristol during a targeted cyberattack, according to Bristol City Council. The council has not disclosed what data was taken or how many students, parents or staff are affected. The school has notified affected parents and guardians and repor…
FortiGuard Labs reports an ongoing Ousaban campaign targeting the Iberian Peninsula. The actor keeps refining its delivery chain and uses geofencing and environmental checks to restrict access to the malware to the intended victims. Ousaban resolves its C2 IP through daily-changing domains and runs a traditional C2 setup as a decoy. Its l…
FortiGuard Labs analyzed a Casbaneiro banking trojan campaign targeting users in Latin America. The campaign applies access restrictions at several stages to keep the malware away from analysis tools: the download page, the HTA downloader and Casbaneiro itself. Casbaneiro sends different types of stolen data to separate servers and uses a…
Siemens disclosed on Monday that threat actors exploited CVE-2026-110936, a DLL search-path vulnerability in Siemens Software Center, in a malware campaign. The attackers bundled a legitimately signed copy of the Siemens program with their own malicious DLLs, which the program loaded from its own folder at startup. Siemens links the activ…
Bitdefender documented Midnight Mimosa, an Android malware campaign that embeds a platform-signed malicious system app in the firmware of low-cost, MediaTek-based handsets and counterfeit flagship models before they reach buyers. Thousands of infected devices were observed in more than 150 countries over roughly two years. The implant dri…
SafeDep reports that the PolinRider loader family now resolves its C2 servers from Ethereum mainnet. The loader reads small transactions from operator wallets and decodes the recipient address as an IP:port. SafeDep confirmed 35 GitHub repositories carrying the loader at HEAD on 2026-09-30 (7,578 stars and 2,884 forks combined). The inves…
F5 Labs, using Efflux sensor telemetry, reports a campaign that began on 2025-06-08. One actor is exploiting TP-Link AX21 routers (CVE-2023-1389, command injection in the country query parameter) and Raisecom web interfaces (CVE-2024-7120) to deliver a new malware family named NoBooze1. Four source IPs and three stage-one hosts were rotat…
Kaspersky analysis of an installer first classified as adware (MD5 c24e99f9437feacaa63766a3cde3fe3d) found that it delivers the ValleyRAT backdoor. The installer drops a modified, signed Chinese wallpaper tool, QN Wallpaper, and uses it for DLL sideloading of a malicious libcef.dll. The adware's advertising function does not work. Attacke…
Silent Lynx, tracked as UAT-6275 by Cisco Talos and TAG-193 by Recorded Future Insikt Group, has been linked to a new set of attacks on government organizations across the Commonwealth of Independent States. The activity ran from June 2025 through August 2026 and used four infection chains to deploy custom reverse shells (FoalShell, Chvos…
Russian firm Solar (a Rostelecom subsidiary) reported a nearly two-year intrusion at an unnamed Russian healthcare organization, attributed to the Belarus-aligned hacktivist cluster Partisan Zmiy (Cyber Partisans). Solar found the compromise in December 2025, but the earliest signs date to early 2024. Unlike the group's usual destructive …
FortiGuard Labs describes a large-scale, global campaign that uses heavily obfuscated JScript droppers to launch an AutoIt/Lua-based loader with low detection rates. The loader delivers several popular RATs and infostealers, including a version of Snake Keylogger. The infection chain relies on business email compromise tactics, impersonat…
Kaspersky researchers report that the APT group Mirage Kitten has moved from native C/C++/Go malware to Node.js and JavaScript implants, NodeRabbit and PollCat. Both are cross-platform RATs delivered through spear-phishing by fake recruiters on LinkedIn and other job platforms, using trojanized coding-challenge archives hosted on Amazon S…
Elastic Security Labs is tracking REF8801, a campaign in which a fake Web3 venture capital accelerator, Apex Accelerator (Apex Foundation), targets cryptocurrency startups and founders with malicious npm packages. The packages, @apexacc/cli and @apexacc/audit, pose as an AI advisor and an MCP-based security scanner, with offers of free Cl…
Kaspersky's analysis of Operation FlashHole describes a Lazarus Group campaign against South Korean organizations. It follows Operation SyncHole and is placed within the broader Cascade Hole activity. The earliest evidence dates to July 2025 (securelist.com, bleepingcomputer.com), and Kaspersky identified at least three victims in the sof…
