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Hackers Abuse Google CAPTCHA, WebDAV and BNB Smart Chain to Deploy Credential-Stealing Malware

Cisco Talos details ClickFix campaigns abusing fake Google CAPTCHA prompts, WebDAV and BNB Smart Chain to deploy the Amatera infostealer.

Cisco Talos identified a multi-stage campaign, first observed in April 2026 when a Ukrainian government organization executed a disguised DLL named verification.google from a WebDAV path. The chain combines ClearFake JavaScript injected via malicious Cloudflare Workers, EtherHiding payloads stored in BNB Smart Chain contracts, ClickFix social engineering, and WebDAV-hosted DLL loaders to deliver the Amatera (ACR Stealer) infostealer. The Amatera configuration contained over 400 collection entries targeting browsers, messengers, crypto wallets, password managers, FTP and VPN tools, hunting for .kdbx, .p12, .pfx and .pem files. The pf.ch branch deploys ZigCryptoStealer, an EDR-terminating vulnerable driver and Go-based reverse TCP proxies, while the verification.google branch installs NetSupport Manager, supporting moderate-confidence attribution of the UAT-10820 activity to a Russian actor.

GBHackers · 7d agoMalware in the wild

Chinese espionage groups swarm to exploit triple-link chain of zero-days

At least four China-aligned espionage groups chained three zero-days in Chromium browsers and Windows ALPC for espionage since late August.

Proofpoint observed at least four state-aligned threat groups, starting with TA412/Violet Typhoon/APT31 on August 28, chaining three zero-days in the 'BlueMoon' exploit chain targeting Chrome, Chromium-based browsers and Microsoft Windows. The chain includes RCE flaws in Chromium's JavaScript engine (CVE-2026-85046, CVE-2026-87491) and a Windows Advanced Local Procedure Call privilege-escalation zero-day (CVE-2026-85880), enabling sandbox code execution, sandbox escape and system privileges. APT31 delivered the chain via phishing links to NGOs, mining and commodity trading firms in the US, installing a browser extension disguised as Google Gemini to surveil activity and steal credentials. Other groups (UNK_LateNight, UNK_DoubleCheck, UNK_QuietRacket) targeted US aerospace, Vietnamese manufacturing, and Indonesian and Singaporean organizations; fewer than 20 victims were directly observed but the true count is likely higher.

CyberScoop · 7d agoExploit / PoC in the wild 3 sourcesCVE-2026-85046CVE-2026-87491CVE-2026-858802· 1 read

ClearFake WebDAV infection chain delivers Amatera stealer, ZigCryptoStealer, and NetSupport Manager

Cisco Talos details ClearFake WebDAV chains delivering Amatera stealer to a Ukrainian government organization, with cryptocurrency and credential theft payloads.

Cisco Talos investigated DLL executions named 'verification.google' via WebDAV UNC paths at a Ukrainian government organization, tracking the actor as UAT-10820 and assessing with moderate confidence the activity is Russian and opportunistic rather than targeted. The infection chain uses ClearFake JavaScript injected via a Cloudflare Worker, EtherHiding storage on BNB Smart Chain contracts, and a ClickFix fake Google CAPTCHA prompt to deliver Amatera stealer. Secondary payloads differ by C2: one loader deploys ZigCryptoStealer with a Go reverse TCP proxy and a vulnerable driver that kills EDR, while the other installs an unauthorized NetSupport Manager with a Russia-based C2. Similar Amatera chains were separately documented by Malwarebytes and Blackpoint Cyber, but with no shared infrastructure.

Cisco Talos · 8d agoMalware in the wild1

ClearFake Deploys Crypto Stealer That Uses Vulnerable Driver to Kill EDR Security Tools

Cisco Talos details ClearFake's fake-CAPTCHA chain deploying ZigCryptoStealer with a BYOVD attack that kills EDR processes, observed at a Ukrainian government organization in April 2026.

ClearFake compromises websites, injects JavaScript via a malicious Cloudflare Worker, retrieves instructions from BNB Smart Chain contracts (EtherHiding), and presents a fake Google CAPTCHA that tricks Windows users into pasting a command that loads a remote library over WebDAV via rundll32. The crypto-stealer branch uses DLL side-loading with a signed Chrome component to launch ZigCryptoStealer, which hijacks clipboard cryptocurrency addresses, alongside a signed but vulnerable Windows driver used in a BYOVD attack to terminate EDR processes. A parallel branch delivers Amatera secondary payloads that install a hidden remote-access client providing operator desktop control, with Cisco Talos tracking the remote-loader activity as UAT-10820. Talos observed unusual remote library execution at a Ukrainian government organization in April 2026 and assesses the attacks are part of a broader theft operation rather than a single targeted campaign.

Cyber Security News · 7d agoMalware in the wild1

Risks in IoT Supply Chain

Unit 42 analyzes multilayer IoT supply chain risks across hardware, firmware, and software, citing counterfeit Cisco switches and OpenWrt attacks.

Unit 42 examines weaknesses in the IoT supply chain ecosystem across hardware, firmware, operation, and vulnerability layers, noting that 89% of IT decision-makers reported IoT device growth and IDC forecast 41.6 billion connected IoT devices by 2025. Examples include counterfeit Cisco Catalyst 2960-X switches with possible backdoor access (F-Secure, July 2020), a March 2020 OpenWrt flaw enabling malicious update impersonation, and threat actor interest in TeamViewer remote support software. The report stresses that untracked third-party components and missing device inventories make it hard to assess vulnerability impact across vendors.

Palo Alto Unit 42 · 28d agoResearch

Weekly Cybersecurity Newsletter – Top 50 Biggest Cybersecurity Stories of the Week

GBHackers weekly digest rounds up 50 stories including Microsoft's 973-CVE patch drop, exploited Cisco FMC flaws, and Claude agent attacks.

GBHackers' September 7-12, 2026 newsletter summarizes the 50 biggest cybersecurity stories of the week. Highlights include Microsoft patching a record 973 CVEs with two exploited zero-days, active exploitation of Cisco FMC, Check Point VPN and Ivanti flaws, China-linked crews chaining Chrome and Windows zero-days, AI agents mass-exploiting PaperCut to compromise 440 servers, and the emergence of Panzer cross-platform ransomware. It also covers Anthropic and OpenAI agentic AI incidents and CrowdStrike's SafeMind launch.

GBHackers · 1d agoIndustry in the wild

Rockwell Automation 1756-ENBT Module

Rockwell's 1756-ENBT ControlLogix EtherNet/IP bridge (all versions) is vulnerable to DoS via crafted CIP packets, crashing the module until manual restart.

CISA republished Rockwell Automation's advisory for CVE-2025-10478, a CWE-754 flaw affecting all versions of the 1756-ENBT ControlLogix EtherNet/IP bridge, scored CVSS 7.5. A crafted CIP packet can crash the module, and the device requires a restart to recover. Affected critical infrastructure sectors include critical manufacturing, food and agriculture, transportation systems, and water. No public exploitation has been reported; CISA recommends minimizing network exposure.

CISA Advisories · 13d agoAdvisory 3 sourcesCVE-2025-10478

⚡ Weekly Recap: VMware Exploits, Windows 0-Day, MCP Attacks, Browser Hijacks and More

Weekly recap: suspected China-nexus APT exploited VMware vCenter CVE-2026-59310, Lazarus used Windows zero-day CVE-2026-68820, and macOS flaw dropped Monero miners.

The week's top stories included a suspected China-nexus APT exploiting VMware vCenter CVE-2026-59310 (CVSS 9.8), a directory-traversal flaw enabling arbitrary code execution, with backdoors, reverse SSH and Babuk-derived ransomware deployed, per QUIRSO. NCSC-NL reported active exploitation of macOS Screen Sharing flaw CVE-2026-65400 (CVSS 9.8) to install Monero miners on systems with port 5900 exposed. Lazarus Group exploited Windows zero-day CVE-2026-68820 (CVSS 7.0) in Operation Dream Job, delivering ForestTiger and Troy backdoors to defense and aerospace targets. GeoServer patched a critical SQL injection flaw exploited within hours of disclosure, and Jamf analyzed the new Amnesia Stealer for macOS with live browser control.

The Hacker News · Aug 17, 2026Exploit / PoC in the wildCVE-2026-59310CVE-2026-65400CVE-2026-688201

Boston Scientific left nursing its bottom line after cyberattack

Boston Scientific says its August 25 network intrusion will materially hit third-quarter and full-year sales and earnings, likely missing guidance.

Boston Scientific detected unauthorized activity on its network on August 25 and took systems offline, disrupting order processing and shipping operations worldwide. In an SEC filing, the medical device maker warned of a material impact on Q3 and full-year results, making it unlikely to meet the net sales growth and adjusted EPS guidance issued in July. Its distribution network has been substantially restored, sterilization facilities are operational, manufacturing resumed at most sites, and an interruption affecting cardiac device remote-monitoring activations was resolved. The company has not revealed the attack vector, whether ransomware was involved, or whether data was stolen; no ransomware group has claimed responsibility and the investigation continues.

The Register · Security · 8d agoData breach

We've got one word for it, and it's usually the wrong one

Cisco Talos's Threat Source newsletter critiques 'burnout' terminology, describing four occupational injuries, and flags a UAT-10820 WebDAV stealer campaign at a Ukrainian government organization.

Cisco Talos's Threat Source newsletter argues that 'burnout' is the wrong word for most cybersecurity occupational harm, distinguishing exhaustion, secondary traumatic stress, vicarious trauma, and moral injury based on clinical literature from trauma-exposed professions. The featured disclosure describes a complex WebDAV infection chain found at a Ukrainian government organization, attributed with moderate confidence to the Russian-tracked actor UAT-10820 and assessed as an opportunistic cryptocurrency and credential-stealing operation. The campaign delivers the Amatera stealer alongside ZigCryptoStealer and NetSupport Manager, abusing BNB Smart Chain bulletproof hosting, fake CAPTCHA prompts, a vulnerable driver to kill EDR, and rundll32.exe execution of disguised DLLs with ordinal calls. Weekly headlines also cover a Microsoft Defender 'ShieldCrash' zero-day exploit released after September 2026 Patch Tuesday, a North Korean Linux espionage toolkit backdooring HAProxy, and a multi-hop Google-domain redirect phishing campaign.

Cisco Talos · 6d agoIndustry in the wild1

Tajin Group: Guarantee Marketplace Vendor Involved in Phishing and Chinese Money Laundering Group

Recorded Future details Tajin Group, a Chinese-speaking vendor on Telegram guarantee marketplaces running phishing, carding, and money laundering operations targeting Chinese banks.

Insikt Group analyzed Tajin Group, a Chinese-speaking threat actor operating on Telegram-based guarantee marketplaces Dabai Guarantee and, since May 2026, Xinbi Guarantee. The group conducts phishing, payment card theft, and money laundering targeting mainland Chinese citizens and banks, testing stolen cards from twelve countries on platforms like CCAvenue and Geidea. Operators bought and sold at least 100 Telegram usernames and anonymous virtual numbers via Fragment Market to strengthen OPSEC, linking multiple usernames to single Telegram accounts. Recorded Future warns Tajin Group's TTPs are likely to be replicated by other vendors on Chinese-language guarantee marketplaces at global scale.

Recorded Future · 2d agoThreat actor

Fake GTA 6 leaked copy drains your crypto wallet

A fake GTA 6 leaked-copy website loads a multi-chain crypto wallet drainer that sweeps Solana balances and can steal assets across seven blockchain networks.

A fake Grand Theft Auto VI countdown site offers a supposed leaked copy for $50 or 1 SOL and loads a wallet drainer on page visit. An embedded Solana script transfers nearly the entire wallet balance, while a separate 2.4 MB script built on a legitimate wallet-connector tool targets wallets on Ethereum, Polygon, BNB Smart Chain, Avalanche, Arbitrum, Base, and Fantom, including stablecoins and NFT collections. The drainer geo-blocks CIS countries via a CIS_Protection setting, profiles visitor holdings, and evades automated scanners, suggesting a rented drainer-as-a-service.

Malwarebytes Labs · 15d agoPhishing & fraud

Bitsight connects threat intelligence and exposure monitoring across the supply chain

Bitsight made Beacon generally available, combining supply-chain exposure monitoring with MCP support to feed threat intelligence into AI workflows.

Bitsight announced general availability of Beacon, which continuously monitors critical vendors for exposure, vulnerabilities, malicious activity, intrusion, stolen credentials and compromise. New Model Context Protocol (MCP) and agentic capabilities push Bitsight intelligence into AI-enabled workflows, with over 400 customers signing up for early access in one month. The company cites data that third parties now account for almost half of enterprise breaches, up over 60% year over year.

Help Net Security · 2d agoTools

Silver Fox Targets Japanese Manufacturer with 3

Chinese group Silver Fox used new vulnerable drivers and DLL side-loading to deploy ValleyRAT at a Japanese industrial manufacturer.

Cato Networks detailed a Silver Fox campaign against a Japanese industrial manufacturing organization combining new vulnerable-driver abuse (BootRepair.sys and EnPortv.sys alongside wsftprm.sys), DLL side-loading via Zeon Corporation PDF binaries, and NTDLL unhooking to deliver ValleyRAT (Winos 4.0), a Gh0st RAT variant. The chain starts with an invoice-themed phishing lure hosting attacker-controlled content on legitimate QQ and Tencent Cloud services. Shellcode is injected into svchost.exe via thread-context hijacking, and a dual watchdog design pairs payload monitoring with a scheduled-task batch script for persistence. A separate 180-day VirusTotal retrohunt found 146 Atlas RAT samples across six PDB builds, though the Silver Fox link remains circumstantial.

The Hacker News · 20d agoThreat actor in the wild

GoCaracal Malware Uses Ethereum Smart Contract to Fetch Replacement C2 Address

Arctic Wolf links new Go-based GoCaracal malware with Ethereum smart-contract C2 fallback to Dark Caracal, targeting a Venezuelan communications organization.

Arctic Wolf assessed with medium confidence that a June 2026 intrusion at an unnamed Venezuelan communications organization used GoCaracal, a previously undocumented Go-based malware framework linked to Dark Caracal. The lightweight profile provides encrypted C2, interactive shell access, and shellcode injection; the extended profile adds browser data theft, keylogging, WebRTC remote desktop, and SOCKS5 proxying. When the primary C2 server is unreachable, the malware queries an Ethereum smart contract via eth_getStorageAt at public JSON-RPC endpoints to fetch a replacement C2 address. Bandook was deployed in parallel, and Arctic Wolf published a YARA rule and indicators of compromise.

The Hacker News · 20d agoMalware in the wild1

Detecting Logic Vulnerabilities Across the Contract and Device Layers of Blockchain-Enabled IoT With Multi-Agent Heterogeneous Graph Attention

MA-HGAT framework detects logic vulnerabilities across smart contract and IoT device firmware layers using multi-agent heterogeneous graph attention.

Researchers extend MA-HGAT into a cross-layer multi-agent heterogeneous graph attention framework that models smart contracts, firmware artifacts, device fleets, and transaction streams for blockchain-enabled IoT security. A four-role, nine-relation schema supports graph-, link-, and node-level detection tasks, while a gateway-cloud partition enables lightweight edge inference on resource-constrained devices.

arXiv cs.CR · 21h agoResearch

Lner Supply Chain Attack Customer

LNER reportedly suffered a supply chain cyberattack affecting customer data, according to the Infosecurity Magazine headline.

The Infosecurity Magazine headline indicates a supply chain attack affected UK rail operator London North Eastern Railway (LNER) and its customers. No article text was available, so the scope, data types and third party involved are unconfirmed.

Infosecurity Magazine · Aug 16, 2026Data breach

Slovakia Warns of Cyber Risks in Road Speed Cameras

Slovakia's NBÚ warns that speed camera systems from SODASUS, Simicon and NEROline pose cyber risks including undocumented remote access.

Slovakia's National Security Authority (NBÚ) warned of a significant cyber threat tied to several road speed camera products: NERO R-ONE units sold by Cyprus-based SODASUS, and Cordon-series cameras made by Russia's Simicon and sold by Croatia's NEROline. A security analysis requested by the Interior Ministry found weak protections, mismatches between documented and actual communication settings and software versions, unclear hardware/software provenance, and pre-configured remote-access mechanisms outside operator control. NBÚ warned that compromised cameras could expose vehicle and licence-plate data, tamper with records, or serve as a foothold into public-sector networks lacking segmentation. The Interior Ministry reportedly removed the units from its pilot deployment and asked the supplier to replace them with equipment meeting Slovak and EU security requirements.

Security Affairs · 23d agoAdvisory

Heterogeneous Cross-Chain Transaction Tracing for Solana Bridges via Candidate-Set Selective Decision

SolTracer traces cross-chain transactions onto Solana bridges, improving open-world association F1 by 20.16% over the strongest baseline for illicit-fund tracing.

The paper formalizes four Solana-bound cross-chain transaction modes and proposes SolTracer, which maps heterogeneous execution semantics into a unified event space and uses candidate-set selective decision-making with abstention when valid targets are absent. In the challenging open-world setting with a 50% TA ratio, SolTracer improves F1 by 20.16% over the strongest baseline. An empirical study of real-world transfers examines count-value divergence across bridge mechanisms, cross-asset shifts, and decoupling between on-chain settlement and explorer visibility.

arXiv cs.CR · 6d agoResearch

Guppy: Efficient Light Clients via Recursive Zero-Knowledge Proofs

Guppy lets blockchain light clients verify full state via recursive zero-knowledge proofs without validators maintaining state commitments, processing thousands of updates per second.

Guppy is a light-client protocol in which validators commit only to state updates while an off-chain, untrusted service secured by recursive zero-knowledge proofs maintains a verifiable Merkle tree over the full state. A hash-chain commitment moves validator signature verification out of the proving circuit, and a parallel recursive proving pipeline keeps latency growth logarithmic with throughput. A Plonky2-based implementation maintains a tree of size 2^30 while processing thousands of updates per second, adding only 2-4 seconds of latency without increasing block-construction complexity.

arXiv cs.CR · 9d agoResearch

IntentFuzz: A Protocol-Aware Fuzzer for Automated Invariant Violation Detection in Intent-Based Cross-Chain Bridges

IntentFuzz protocol-aware fuzzer recovers bridge structure from unannotated Solidity and confirmed 22 invariant violations across 24 real-world deployments.

IntentFuzz formalizes a taxonomy separating invariant violations from settlement exposures in intent-based cross-chain bridges, then recovers a bridge's intent structure and deposit/fill function roles from unannotated Solidity source. It classified deposit and fill functions with 100% recall and 82% combined precision, and achieved 100% recall and precision on 23 planted-bug mutants. Across 24 real-world deployments it confirmed 17 genuine invariant violations with heuristic-only input generation, rising to 22 with its LLM-assisted tier, spanning eight vulnerable GitHub repositories with findings reproducible against public deployed bytecode.

arXiv cs.CR · 5d agoResearch1

Mitsubishi Electric Multiple FA Products (Update D)

CISA warns Mitsubishi Electric CC-Link IE TSN remote I/O modules are vulnerable to denial-of-service via crafted UDP packets (CVE-2025-3511).

CISA published Update D of advisory ICSA-25-128-03 covering Mitsubishi Electric factory automation products. Affected products include CC-Link IE TSN Remote I/O modules NZ2GN2S1-32D, NZ2GN2S1-32T, NZ2GN2S1-32TE, and NZ2GN2S1-32DT at firmware version 09 or earlier (CVE-2025-3511). A remote attacker can send a specially crafted UDP packet to cause denial-of-service conditions, timeout errors, or communication delays on the affected products.

CISA Advisories · 20d agoAdvisoryCVE-2025-3511

Chinese Routers Sold Worldwide Contain Backdoors

Manufacturer-built backdoor implants were found in ZBT white-label routers sold worldwide, exposing affected devices to potential unauthorized access.

An untold number of ZBT routers distributed globally as white-label products contain multiple backdoor implants built into the devices by the manufacturer. The implants are pre-installed through the hardware and firmware supply chain rather than injected by attackers after deployment. The scale of affected deployments and whether the implants have been actively abused have not been disclosed.

Dark Reading · 20d agoVulnerability

North Korean Hackers Tied to Rust Supply Chain Attack

Researchers linked a backdoor hidden in compromised Rust packages to North Korean actors' prior software supply chain attack campaigns.

Cybersecurity researchers attributed a malicious backdoor planted in compromised Rust packages to North Korean threat actors based on ties to earlier supply chain attacks. The campaign targets the open-source developer ecosystem, where infected packages can propagate downstream to developer build systems. The attribution suggests DPRK-aligned actors continue investing in open-source supply chain tradecraft.

Infosecurity Magazine · 26d agoThreat actor in the wild

Hackers Are Hiding Espionage Infrastructure Inside Ordinary-Looking Casino Websites

Infoblox links China-aligned APT PeckBirdy C2 infrastructure hidden in casino and adult websites targeting Asian government, finance, IT, and education sectors.

Infoblox researchers report that China-aligned APT groups have used casino and adult websites as cover for PeckBirdy, a JavaScript command-and-control framework active since 2023. The sites embed C2 servers, register service workers for persistence, and serve fake browser-update prompts delivering backdoors capable of running commands, stealing credentials, and providing remote access. Targeted sectors across Asia include education, IT, banking, financial services, and government. Just over 3% of Infoblox enterprise customers resolved at least one PeckBirdy C2 domain, with detection coverage on VirusTotal ranging from 13 detections to none.

Cyber Security News · 18h agoThreat actor 2 sources

Cyberattack encrypts systems at Bavarian municipal utility

Hackers encrypted the central IT network of Bavarian utility Stadtwerke Landsberg, disrupting office systems but not electricity or water services.

Stadtwerke Landsberg said hackers encrypted its central IT network overnight on Sept. 1, prompting disconnection from the internet, crisis-team activation and external forensic support. Essential electricity and water services were unaffected, but staff availability was limited and customer data such as names, addresses and bank details may have been accessed. No ransomware group was named and no extortion demand was confirmed. The attack follows a similar late-June encryption incident at a North Rhine-Westphalia municipal utility, and the BSI consistently ranks ransomware among Germany's most serious cyber threats.

The Record · 8d agoRansomware in the wild

Quantifying IIoT Sensor Node Criticality by Fusing its Data Criticality and Security Vulnerability

Researchers propose a Dempster–Shafer framework fusing IIoT sensor data criticality with CVSS 4.0/3.1 vulnerability scores to rank node criticality.

The paper introduces a framework that evaluates Industrial IoT sensor node criticality by fusing data criticality and cybersecurity vulnerability scores using Dempster–Shafer (D-S) theory. It was validated on a dataset from red wine production and is claimed to generalize to other industrial settings with minimal modification. Results show criticality rankings derived from CVSS 4.0 scores differ significantly from those derived from CVSS 3.1, underscoring how vulnerability scoring methodology affects security prioritization.

arXiv cs.CR · 7d agoResearch

UK food supply chain at risk from hostile attacks

The UK National Audit Office warns cyber-attacks are a major threat to food supply chains, urging Defra to strengthen incident preparedness with industry.

A National Audit Office report names cyber-attacks among the major threats to the UK food supply chain and urges Defra to work with industry and test emergency plans with local government. The report cites 2025 attacks on retailers: Marks & Spencer estimated around £136 million ($177.2 million) in costs, and the Co-op confirmed data theft from 6.5 million members. The NAO found cyber-attacks raised operating costs and disrupted core digital systems, and Defra has run food-sector cyber incident exercises since 2023.

The Register · Security · 9d agoPolicy & legal