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173 casos · pág. 8/9

blog.checkpoint.com · medium

Check Point uncovers multi-region phishing infrastructure hiding live campaigns behind blank 404 pages across thousands of rotating domains

Check Point Exposure Management researchers uncovered a large, multi-region phishing infrastructure that conceals active campaigns behind domains that look inactive. Root domains return blank or generic "Not Found" pages, while the phishing content is served only through concealed regional paths (for example /it, /de, /pa) and under speci…

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…

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 · low

Kaspersky ICS CERT Q2 2026: share of attacked ICS computers falls to 19.15%, lowest since 2022, with regional upticks

Kaspersky ICS CERT reports that in Q2 2026 malicious objects were blocked on 19.15% of ICS computers, the lowest level since 2022. Regional rates ranged from 8.1% in Northern Europe to 27.9% in Africa. East Asia saw the largest increase (+2.0 pp). The biometrics sector (26.44%) again led all industries. Kaspersky products blocked malware …

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

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

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

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

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…

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…

unit42.paloaltonetworks.com · medium

Unit 42 research: root on a Kubernetes node enables SPIFFE/SPIRE workload identity spoofing via cgroup manipulation (Spooffe tool)

Unit 42 published research showing that an attacker with root access on a compromised Kubernetes node can misuse SPIFFE/SPIRE workload attestation to impersonate co-located workloads and harvest their SVIDs. The attacker spoofs the Linux cgroup information the SPIRE agent uses to identify callers, so the agent issues a victim workload's i…

unit42.paloaltonetworks.com · medium

Atomic macOS Stealer (AMOS) infection chain analyzed from fake macOS toolkit install page, August 2026

Unit 42 analyzed an Atomic macOS (AMOS) stealer infection generated in a lab on Aug. 5, 2026, starting from a fake "macOS toolkit" instruction page hosted at getmacouscloud.com. The page tells victims to paste a command into Terminal, a ClickFix-style copy/paste technique, which downloads a Zsh script and then installs a Mach-O AMOS paylo…

Prompt injection in AWS AgentCore Harness default config lets the root shell tool steal plaintext AgentCore Identity credentials

Unit 42 researchers found that in default AWS AgentCore Harness deployments, prompt injection can steer the agent's built-in shell tool to exfiltrate plaintext credentials resolved from AgentCore Identity. The shell tool is enabled by default and runs as root, in the same UID as the harness runtime (PID 1, python3.10 -m loopy.server). Tha…

unit42.paloaltonetworks.com · medium

AWS AWSCompromisedKeyQuarantine policy auto-quarantines IAM keys exposed on GitHub; Unit 42 tests and detection guidance

Unit 42 analyzed how AWS neutralizes publicly exposed IAM access keys by automatically attaching the AWSCompromisedKeyQuarantine managed policy, and how that policy has changed since its release on Aug. 11, 2020. The mechanism relies on the GitHub secret scanning partner program, which alerts AWS when long-term keys appear in public repos…

unit42.paloaltonetworks.com · medium

Unit 42 releases OperTraitor, finds over-privileged Kubernetes operators incl. IBM Prometurbo (CVE-2026-6389) and Datadog Operator

Unit 42 (Palo Alto Networks) released OperTraitor, an open-source, LLM-powered tool that ingests RBAC configurations from installed Kubernetes operators and the OperatorHub catalog. It compares an operator's documented function with its granted privileges and assigns a 1-10 risk score. The research found abandoned, overly permissive opera…

DPRK-linked supply chain campaigns (ChainDrop, PolinRider) use Web3 blockchain C2 to steal cloud credentials from developer and CI/CD environments

Unit 42 reports that threat actors are moving supply chain malware C2 from hardcoded endpoints to Web3 mechanisms, so an entire botnet or worm infrastructure can be re-pointed with a single blockchain transaction. The ChainDrop npm worm (Shai-Hulud family, 400+ npm packages) and the PolinRider campaign (npm, Go modules, Packagist) target …