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ttps_attack:T1027 × latest_source_host:securelist.com × limpar

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securelist.com · high

MoYu Group (BADBOX-linked) malware spreads via DoFun Android head unit updater, building ad-fraud and proxy botnet

Kaspersky found the first documented Android malware targeting automotive head units, discovered in June 2026. It is a multi-stage downloader whose ultimate purpose is ad fraud and a residential proxy botnet. It spread through the built-in updater (TWCore, package com.tw.core) of DoFun head unit firmware, which installs APKs pushed over a…

securelist.com · high

APT41 deploys BlackX UEFI bootkit, a BlackLotus copycat exploiting Baton Drop, against Central Asian diplomatic agencies

Kaspersky GReAT identified an APT campaign in early 2026 targeting diplomatic agencies in Tajikistan, Uzbekistan and Turkmenistan. The attackers used a UEFI bootkit dubbed BlackX, which closely resembles BlackLotus and bypasses Secure Boot by exploiting Baton Drop (CVE-2022-21894). Kaspersky attributes the activity to APT41 with medium co…

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…

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

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

MacSync macOS stealer returns with binary droppers, iCloud calendar staging and a backdoor targeting crypto users and developers

Kaspersky researchers describe a new MacSync macOS infostealer variant, first seen in the wild in September 2026, that replaces the earlier AppleScript-based droppers with FAT Mach-O binaries written in Objective-C and Swift. MacSync is sold as malware-as-a-service, so delivery varies by operator. In this campaign it spread through malici…