50 results for “Windows”

A malicious version 2.1.313 of Anthropic's Claude Code extension was served from Cursor's marketplace for about 11 hours on 29 October 2026, reaching up to 5,000 developers. A JavaScript loader prepended to extension.js added an attacker SSH key, a reverse tunnel and macOS/Windows persistence, and reported to 134.209.82[.]225. Coding errors likely blocked SSH access on many hosts. Cursor removed it and rotated keys; victims should look for an 'svc-telemetry' SSH key.

bleepingcomputer.comarticlePublished and added 30 Oct 2026🛡️ Security

CVE-2026-111585 (CVSS 8.8) is an integer overflow in the remote-control screen processing of TeamViewer clients on Windows, macOS, Linux and Android. A malicious or compromised host can announce an oversized screen surface (for example 32768 by 32768 at 32 bpp), forcing a software decode path and an out-of-bounds write that crashes the viewer or runs code. Remedio's research shows a pointer overwrite routed to WinExec. Version 15.83 fixes it, along with CVE-2026-92372, CVE-2026-92374 and six local privilege escalation bugs.

securityweek.comarticlePublished and added 30 Oct 2026🛡️ Security

Cisco Talos Threat Source newsletter for the week of the PHP and Node.js vulnerability news cycle. It summarises NIK C2, a Go-based Windows implant that dumps credentials, streams keystrokes, deploys screen-locking ransomware and uses a victim's hijacked OpenAI API keys to analyse stolen data. It also lists weekly headlines (CISA KEV PHP bugs, Brotli flaw, Gheist GitHub token theft), Talos links and top malware hashes.

blog.talosintelligence.comarticlePublished and added 29 Oct 2026🛡️ Security

Windows Prefetch forensics tutorial from Hackers Arise. It explains that prefetch files in C:\Windows\Prefetch record last run time, run count and files touched, so they prove an application was used even after deletion. It shows parsing with NirSoft WinPrefetchView, building a timeline from Last Run Time, and how a suspect could disable Prefetch or Superfetch (SysMain).

hackers-arise.comarticlePublished and added 29 Oct 2026🛡️ Security

Time4Popcorn, an abandoned Popcorn Time fork, has an updater (CVE-2026-30612) that fetches updates over HTTP without code signing and runs any executable the domain returns, as System/root. Eye Security registered abandoned update domains, saw millions of Windows, macOS and Android clients, and pushed a fix disabling the updater on about 2 million systems by March 2026. Shadowserver took over the sinkholed domains; Eye Security advises uninstalling the app.

securityweek.comarticlePublished and added 27 Oct 2026🛡️ Security

PRAXO-CORE 2.5.0 is a Go agent kernel that owns model calls, tool authorization, context, checkpoints, events and human-in-the-loop decisions, and leaves graph execution, memory storage and tenant policy to RHEOVELA or the host product. The release adds pkg/conformance, with checks for VFS, memory, sandbox, event, policy, model and tool contracts. It also adds stricter Windows path rejection and a plugin trust/SBOM handoff, and it states which adapters are only offline-tested.

x.comarticleAdded 27 Oct 2026, published 25 Oct 2026🧠 AI

OpenAI's Patch the Planet post describes the coordinated response to two critical PHP vulnerabilities. Calif found one with GPT-5.6 Sol, and Wiz independently reported both. It proposes a five-stage disclosure framework: upstream fix, advance notice to providers, government coordination, product updates and public guidance. It also lists a PHP version checker, $1 billion in subsidized Daybreak access, and open questions on disclosure windows and emergency patching.

openai.comarticlePublished and added 21 Oct 2026🛡️ Security

Live-Forensicator is a cross-platform (Windows, Linux, macOS) live response toolkit built around Forensicator.ps1. The Hackers Arise walkthrough runs it on Windows with case details, then reads the HTML report: event log summary (Event IDs 4624, 4798, 4799, 4688) and a risk rating. It also shows optional AI analysis through Ollama with a Mistral model, configured in config.json, and warns that the tool triggers AV and that AI slows runs.

hackers-arise.comarticlePublished and added 20 Oct 2026🛡️ Security

AOMEI Backupper, Windows backup and cloning software, served malware in short tampering windows between April and July 2026. Threat actor UNC7017 altered the update settings file and notification service to push the CrossRoad downloader, ShinyRoad backdoor, a modified Radmin Server and Adaptix payloads. Each window lasted five to ten minutes. The client did not authenticate its configuration files, and a WebDAV banner trick leaked NetNTLMv2 hashes.

securityweek.comarticlePublished and added 20 Oct 2026🛡️ Security

Decrypt reports that developer Brandon Thomas released WordCraft, GridCraft and DeckCraft, MIT/Apache-2.0 open-source clones of Word, Excel and PowerPoint. They were written in Rust with Anthropic's Claude (Opus 5.5) as a clean-room rebuild and run natively on Windows, macOS, Linux and BSD, and in a browser. Coverage is high (WordCraft 88% of ribbon features, GridCraft 513 of 523 Excel functions), but the authors rate them only about 50–60% ready for real work. Every button is also an MCP command, so agents like Claude can drive the apps. The article is a useful data point on what AI-assisted "vibe coding" can produce in under two weeks, and on where it still falls short (file fidelity, stability).

decrypt.coarticlePublished and added 14 Oct 2026🧠 AI

Huntress post on where accounts remain exposed after a passkey rollout. It covers passkey-themed social engineering, the EvilTokens device-code phishing campaign (344 organizations in about 16 days), weak enrollment and recovery, SpecterOps research on Windows WebAuthn hooking on compromised endpoints, and the trade-offs between synced and device-bound passkeys. It closes with ITDR-style post-login monitoring, containment steps (revoke sessions, remove rogue authenticators, hunt inbox rules, OAuth grants, forwarding), and a five-question deployment checklist.

huntress.comarticlePublished and added 14 Oct 2026🛡️ Security

News write-up of XBOW's research in which AI agents (OpenAI gpt-5.6-sol) plus human researchers built a full Chrome exploit chain on Windows in six days, at about $40,000 in API cost, earning a $250,000 Chrome VRP reward. The chain combined a V8 Maglev bounds-check bypass, a WebP animated-decoder heap buffer overflow, and a Crashpad out-of-bounds write that escaped the sandbox and called CreateProcessW() to launch Calculator. The common root cause was trusting conditions (immutability, unchanged data, suspended process) that could change; Chrome 153+ is patched.

en.cryptonomist.charticlePublished and added 14 Oct 2026🛡️ Security

SecurityWeek reports Microsoft's October 2026 Patch Tuesday fixed a record 1,413 CVEs (1,102 in Windows, 134 Office, 36 SharePoint), more than all of 2025, with the surge attributed largely to AI-driven discovery. The exploited zero-day CVE-2026-96951 is a Windows shell Mark of the Web security feature bypass (CVSS 8.8), added to CISA KEV with an October 16 deadline. Two flaws were publicly disclosed: CVE-2026-108398 (WDAC bypass) and CVE-2026-92707 (MessagePack-CSharp DoS), and Microsoft introduced 'risk cohorts' for patch prioritization.

securityweek.comarticlePublished and added 14 Oct 2026🛡️ Security

XBOW describes building a Chrome full-chain exploit, made of three independent bugs, that takes a user from an ordinary web page to remote takeover of a Windows machine. The team built it in six days with a publicly available model (GPT-5.6 Sol) for about $40,000 of compute, and Google paid a $250,000 bounty, the first under its 2026 rules. The bugs are now fixed. The post covers the human-agent workflow, the modular design that allowed swapping in a backup bug after Google said it already knew one, and the claim that agents could find each bug on their own within a year.

xbow.comarticlePublished and added 13 Oct 2026🛡️ Security

SecurityWeek summarizes Netskope research showing the XWorm Windows RAT grew from 35 plugins (July 2025) to 46 (October 2026), adding surveillance features: Maps (GPS location without prompt), Microphone (live audio streaming), webcam capture, and HBrowser. HBrowser gives operators a live, interactive view of the victim's authenticated browser sessions over the AES-encrypted C2 channel, bypassing logins and MFA. Activity rose after the builder was cracked in June 2025 and the 6.4 source leaked in August 2025; Netskope saw 1,200+ incidents across 100 organizations in Q3.

securityweek.comarticlePublished and added 13 Oct 2026🛡️ Security

Prime Intellect describes rewriting its open-source Prime Agent coding-agent harness from TypeScript to Rust. Prime Agent orchestrated 2,000+ agents across 10,000+ Prime Sandboxes, using GLM-5.3 inference, to do the rewrite. A root orchestrator split the work into topologically ordered tasks, and each task passed through planner, implementer, reviewer and verifier agents, with TUI, harness, protocol and feature parity checks as the objective verification. A follow-up three-day hillclimbing loop on a benchmark harness merged 69+ changes, and the post reports ~14x faster time-to-input and over 80% less memory after startup. The post also covers the new architecture: nine crates, per-session worker processes, platform abstraction for Windows support, and a runtime-fetched model/MCP catalog. Vendor-run comparisons with other harnesses carry the post's own caveat about the lack of a common benchmark standard.

primeintellect.aiarticleAdded 10 Oct 2026, published 9 Oct 2026🧠 AI

First installment of a new iOS-focused arc in Alexandre Borges's "Exploit Reversing" series, detailing how to build a practical iOS vulnerability-research lab (Mac host, Apple Virtualization.framework-based "vPhone" jailbroken guest, physical iPhones, XNU source, IDA Pro/Ghidra) and walking through the current iOS kernel hardening stack: KASLR, Pointer Authentication (PAC), the kalloc_type allocator and zone_require checks, the PPL/SPTM/TXM page-table and trust monitors, Exclaves isolation, and AMFI/trust-cache code signing enforcement. It also references the public Titan PPL/SPTM bypass (A14–A17 devices, iOS 16.1–17.4 beta 3) as the state of the art for defeating these protections. Part of a long-running, actively published series on Windows, iOS, and hypervisor exploitation.

exploitreversing.comarticleAdded 8 Oct 2026🛡️ Security

Microsoft Security Blog post arguing that post-quantum cryptography planning must extend beyond encrypted-data confidentiality to authentication and certificate ecosystems, since larger PQC certificate chains and new algorithms like ML-DSA-87 can break PKI workflows, HSMs, and legacy infrastructure. It details Microsoft's PQC TLS Pilot Program, launched August 27, 2026, which lets approved certificate authorities (ComSign, DigiCert, HARICA, IdenTrust, Sectigo, Shanghai Electronic Certification Authority, SSL.com) test ML-DSA-87 certificate issuance under the Microsoft Trusted Root Program, plus Windows 11 builds (KB5101681, KB5101684) that support evaluating ML-DSA certificates via Schannel in non-production environments. It lays out a six-step readiness plan: inventory certificate dependencies, map trust relationships, assess vendor roadmaps, identify long-lived infrastructure, build test environments, and plan a multi-year migration.

microsoft.comarticlePublished and added 8 Oct 2026🛡️ Security

Orca Security details "MALFEX," a supply-chain campaign active since August 2023 in which a suspected lone Brazilian threat actor published eight malicious npm packages (tlxbnhd, tldriver, mxdriver, img-to-native, native-runner, function-flag, function-color, cdn-img-fetch) that together drew over 40,767 downloads. Using postinstall lifecycle hooks, the packages deliver three malware families to Windows hosts: the Go-based Overlord RAT (with a Solana blockchain C2 resolver), the Node.js "movinlike" credential/Discord/crypto-wallet stealer, and rotating downloader payloads — with three packages (notably function-flag) still live on npm and only six of the eight carrying OSV advisories at publication time. The piece includes host IOCs (file paths, scheduled task name), affected package lists, and remediation steps (lockfile auditing, credential rotation) alongside a pitch for Orca's SCA detection of the OSV-flagged packages.

orca.securityarticlePublished and added 8 Oct 2026🛡️ Security

A former core infrastructure engineer, Daniel Rhyne, was sentenced to 32 months for extorting his own New Jersey employer: he created a hidden virtual machine on the company network, reset passwords on hundreds of accounts to "TheFr0zenCrew!", deleted domain administrator accounts, scheduled tasks to shut down 40 servers a day, and demanded 20 BTC (~$750K) to stop. The FBI's criminal complaint describes how investigators traced the hidden VM back to him via correlated laptop browsing activity, building access logs, home IP connections, and incriminating search history ("how to clear all windows logs from command line").

decrypt.coarticlePublished and added 7 Oct 2026🛡️ Security

An Endor Labs technical breakdown of what an "agent sandbox" actually is: a kernel-enforced boundary around an AI coding agent's tool calls (syscalls), distinct from a staging environment or Docker container. It walks through the nx/s1ngularity supply-chain attack as motivating case, compares OS-level primitives (Apple Seatbelt, Linux Landlock/seccomp, Windows Job Objects/AppContainer) used by Claude Code, Cursor, and Codex CLI against containers and microVMs (gVisor, Firecracker), and argues filesystem isolation and network egress isolation are worthless unless enforced together.

endorlabs.comarticlePublished and added 6 Oct 2026🛡️ Security

Endor Labs walks through what "sandboxing an AI coding agent" actually means at the OS level, contrasting the approval-prompt model with kernel-enforced isolation. It details how Claude Code, Cursor, and Codex CLI converge on the same primitives without full containers — Apple's Seatbelt on macOS, Landlock plus seccomp on Linux, Job Objects/AppContainer on Windows — and why Anthropic ships an open-source bubblewrap-based runtime with a host-side egress proxy. It argues filesystem isolation and network egress controls are interdependent (citing Anthropic's own sandboxing writeup) and uses the 2025 nx npm supply-chain attack to illustrate why containment, not model-level guardrails, is the real defense against prompt injection and credential exfiltration.

endorlabs.comarticlePublished and added 6 Oct 2026🧠 AI

A Microsoft Security Blog post arguing that frontier AI models are flooding security teams with far more vulnerability findings than human triage was built for, citing a record near-1,000 vulnerabilities disclosed on the September 2026 Patch Tuesday. It describes Microsofts internal use of AI plus a harness layer (codename MDASH, now available to customers) for scanning, triage, and remediation, and gives CISOs concrete recommendations: shrink patch windows for critical systems to within 24 hours, adopt harnesses for AI-powered vuln scanning now, and lean harder on defense-in-depth via Microsoft Baseline Security Mode (BSM) and Secure by Design and Secure by Default changes (mandatory Azure admin MFA, Azure Backup soft delete, VNet default outbound disabled).

microsoft.comarticleAdded 7 Oct 2026, published 6 Oct 2026🛡️ Security

CloudSEK's Global Threat Intelligence team uncovered MALFEX, a supply-chain campaign active since August 2023 that uses malicious npm packages (including tlxbnhd, tldriver, mxdriver, img-to-native, cdn-img-fetch, function-flag, function-color) to deliver malware on Windows. One chain disguises a Windows executable as a PNG to load Overlord RAT, an open-source Go-based RAT that uses the Solana blockchain to resolve C2 addresses; a second chain fetches a 64MB Node.js bundle that steals Discord tokens, browser cookies/credentials, crypto wallets and Telegram session data, exfiltrating via a Discord webhook. Some malicious packages stayed live for over a year even after related packages were pulled or flagged.

hackread.comarticleAdded 3 Oct 2026, published 30 Sep 2026🛡️ Security

Check Point Research's weekly threat intelligence roundup covering the FBIjobs.gov defacement by ShinyHunters, a $351.6M Bitget hot-wallet theft with suspected DPRK involvement, and breaches at Astrana Health and LMU Munich. It also details AI-driven threats (an OpenAI agent's unauthorized access to an Australian government Medicare portal, an AI-agent-automated retail fraud campaign, and the CLOSEDQUORUM Windows malware that queries four commercial AI models to pick its post-compromise actions), four actively exploited pre-auth RCE CVEs (Check Point Security Gateway/Management, F5 BIG-IP APM, WordPress), and campaign writeups on the Storm-2570 multi-ransomware affiliate, an INC ransomware intrusion, a TeamFiltration M365 account-takeover wave in Latin America, and Storm-3168/JADEPUFFER's destructive Azure operations.

research.checkpoint.comarticleAdded 1 Oct 2026, published 28 Sep 2026🛡️ Security

The Hacker News details a campaign of nearly 800 (later 1,033) malicious npm packages delivering the WEL1DROPPER downloader — dubbed Flooding Dropper by Sonatype — which fetches cross-platform RAT/infostealer payloads via Cloudflare Workers or DNS TXT-record fallback from wel1.ru, patches ETW/AMSI on Windows, and deploys the Sliver C2 framework on Linux. The piece also covers a related npm crypto-stealer campaign, multiple npm/PyPI packages tied to EtherHiding droppers and credential theft (Solana wallets, .env secrets, Discord/GitHub Actions tokens), and Chrome extensions abusing a bandwidth-sharing SDK to turn browsers into residential-proxy web scrapers.

thehackernews.comarticleAdded 26 Sep 2026🛡️ Security

Burke Holland (GitHub) argues that chat is often the wrong interface for working with AI coding agents and introduces "canvas" — a feature in the GitHub Copilot app that spins up a small full-stack application with no browser chrome, which can call third-party APIs or run code locally while exchanging messages bidirectionally with the Copilot agent. He walks through concrete canvases: a playable Connect 4 game against the agent, a Winget package browser/installer, a SQLite query UI with IntelliSense, a Markdown-to-Windows-Live-Writer-style blog editor, and a full development-workflow automation canvas that removes the human from the loop between research, prototyping and review steps. The piece frames this as a general lesson for agent builders: build a reusable tool the agent and user can both interact with, rather than burning tokens asking the agent to perform every repetitive action through chat.

github.blogarticleAdded 8 Oct 2026, published 24 Sep 2026🧠 AI

tl;dr sec #347 is a weekly security newsletter issue. It covers a Nginx $uri CRLF injection that becomes a self-replicating desync worm, Google GFile bugs paid $97,604, GitHub PAT compromise investigation and audit-log hunting guides, Claude Code finding 17 Java deserialization chains, an actor using open-source AI harnesses to breach 27 companies at about $25 each, and the BlueMoon Chrome/Windows exploit kit.

tldrsec.comarticleAdded 30 Oct 2026, published 24 Sep 2026🛡️ Security

Cisco Talos argues that AI-accelerated vulnerability discovery is outpacing organizations' ability to patch, especially for unpatchable operational technology (OT) like medical devices and industrial control systems. It recommends network-level compensating controls instead of patching: upstream next-generation firewalls with intrusion prevention for virtual patching, VLAN/ACL-based micro-segmentation to restrict which devices can reach legacy systems, and visibility into legacy network fingerprints to build an asset inventory. It also debunks the air-gap myth, citing WannaCry's spread through unpatched Windows XP in the NHS as a cautionary example of "hope for the best" failing.

blog.talosintelligence.comarticleAdded 7 Oct 2026, published 16 Sep 2026🛡️ Security

A Huntress blog post breaking down how attackers abuse Windows Volume Shadow Copy Service (VSS) beyond the well-known "delete shadow copies before ransomware detonation" pattern — including creating shadow copies to quietly extract NTDS.dit for credential access, and manipulating shadow copy size/configuration. It details why single VSS events (creation/deletion) are noisy, useless alerts on their own, and describes how Huntress correlates VSSAdmin activity with lateral movement, credential-harvesting commands, and process lineage over a time window, illustrated with a real incident involving PsExec, vssadmin create shadow against a domain controller, a blocked cleanup attempt, and follow-on DNS enumeration.

huntress.comarticleAdded 22 Sep 2026, published 15 Sep 2026🛡️ Security