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securelist.com · high

ValleyRAT backdoor distributed via trojanized QN Wallpaper adware installer using libcef.dll sideloading, likely Silver Fox

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…

securelist.com · high

MovieReaper modular malware spreads via compromised itorrents.org torrent repository, using Solana blockchain for C2

Kaspersky identified MovieReaper, a previously unknown modular, multi-stage crimeware framework distributed since mid-August 2026 through movie-themed torrents, including fake "The Odyssey (2026)" releases. Rather than compromising individual trackers, the actor modified the public torrent file repository itorrents.org, so trackers relyin…

securelist.com · high

Toy Ghouls deploys custom backdoors using HiveMQ MQTT and Element/Matrix as C2 against Russian organizations

Toy Ghouls (aka Bearlyfy, Laboo.boo, Feral Wolf), a financially motivated group targeting Russian organizations since 2025, was observed in early July 2026 using a custom backdoor for the first time. Kaspersky GERT identified two versions, mqtt-bird-agent 0.1.0 (C2 over the public HiveMQ MQTT broker) and matrix-bird-agent 0.1.0 (C2 over a…

NightEagle (APT-Q-95) targets Russian organizations with GhostContainer Exchange backdoor and RDP tunneling

Kaspersky GERT reports that the NightEagle APT (also tracked as APT-Q-95), active since at least 2023 and previously focused on Asia, is now attacking businesses in Russia. The attackers usually gain access through compromised valid credentials on corporate VPNs, connecting from Russian IPs tied to Cloudflare WARP tunnels and from Europea…

securelist.com · high

PAYLOAD extortion group abuses domain-root GPO to disrupt a Middle East manufacturer without deploying a Windows encryptor

In April 2026, Kaspersky GERT responded to an incident at a Middle East manufacturing organization where the actor gained domain admin-equivalent control of Active Directory. The actor created and linked a malicious GPO named PAYLOAD at the domain root. It pushed ransom notes, a wallpaper and lock screen, a logon banner and a local admini…

Kaspersky Q2 2026 vulnerability report: record CVE volume, Linux Dirty Frag LPEs, Windows zero-day exploit leaks and APT use of AI tool flaws

Kaspersky's Q2 2026 vulnerability landscape report records an unprecedented number of registered CVEs, including critical ones. It attributes the surge mainly to AI-assisted vulnerability discovery and AI-generated code. Researchers are also publishing exploits for unpatched flaws more often. One example is Nightmare Eclipse (Chaotic Ecli…

securelist.com · high

Mirage Kitten deploys Node.js NodeRabbit RAT and JavaScript PollCat RAT via fake job coding challenges

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…

securelist.com · high

Kaspersky maps warehouse attack paths: radio, scanner and printer entry points, and WMS compromise

Kaspersky Security Services published a threat-model paper on how attackers can compromise modern logistics warehouses. It follows an order through eight fulfillment stages: unloading, receiving, putaway, storage, picking, sorting, packing and shipment. The paper identifies the warehouse management system (WMS) as the highest-value target…