Tag: rust
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HollowFrame Loader Deploys Matryoshka Backdoor in Spear-Phishing Attack on Law Firm
Cybersecurity researchers have shed light on a previously undocumented Go-based loader framework called HollowFrame and a Rust-based malware family tracked as Matryoshka.According to Blackpoint Cyber, the intrusion sequence begins with a spear-phishing message containing a link to an encrypted archive, which holds a Windows Shortcut (LNK). Executing the file triggers a multi-stage chain that First…
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CastleLoader Campaign Deploys NeedleStealer to Steal Crypto Wallet Seeds and Browser Sessions
A significant evolution in the CastleLoader malware ecosystem, with new campaigns deploying the NeedleStealer framework to harvest cryptocurrency wallet seed phrases and hijack browser sessions. The findings expand on earlier research by Huntress and LevelBlue, confirming that CastleLoader remains a central delivery mechanism for multi-stage intrusions while introducing new tooling written in Rust and Golang.…
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Chaos ransomware deploys browser-based msaRAT to evade network detection
Cisco Talos uncovered msaRAT, a Chaos ransomware RAT that hides C2 traffic by routing it through Chrome or Edge using the Chrome DevTools Protocol. Cisco Talos disclosed msaRAT, a Rust-based remote access trojan attributed to the Chaos ransomware group that routes its entire command-and-control channel through the victim’s own Chrome or Edge browser. The malware…
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Chaos Ransomware Uses msaRAT to Route C2 Traffic Through Headless Chrome and Edge
The Chaos ransomware group ran its command-and-control through the victim’s own browser. Cisco Talos on Thursday detailed msaRAT, the Rust implant behind it, found on a compromised Windows machine ahead of the encryptor.The implant never opens an outbound connection of its own. Its process talks to 127.0.0.1 and nothing else. It starts Chrome or Edge…
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Chaos ransomware msaRAT hides its C2 channel inside a legitimate browser process
Cisco Talos has identified a Rust-based remote access trojan it attributes to the Chaos ransomware group, named msaRAT after four of the binding names left in the binary. The … First seen on helpnetsecurity.com Jump to article: www.helpnetsecurity.com/2026/07/23/cisco-talos-chaos-ransomware-msarat/
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LabubaRAT Masquerades as NVIDIA Software to Control Windows Hosts
Cybersecurity researchers have flagged a previously undocumented Rust-based remote access trojan (RAT) codenamed LabubaRAT that masquerades as NVIDIA software to blend into target environments.”LabubaRAT creates a reusable foothold for hands-on activity,” Blackpoint Cyber researchers Sam Decker and Nevan Beal said in an analysis published today. “Once deployed, it can profile the host, First seen on…
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LabubaRAT Masquerades as NVIDIA Software to Control Windows Hosts
Cybersecurity researchers have flagged a previously undocumented Rust-based remote access trojan (RAT) codenamed LabubaRAT that masquerades as NVIDIA software to blend into target environments.”LabubaRAT creates a reusable foothold for hands-on activity,” Blackpoint Cyber researchers Sam Decker and Nevan Beal said in an analysis published today. “Once deployed, it can profile the host, First seen on…
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Jscrambler npm Breach Exposes Developers to Malware
Malware Harvested Cloud Credentials, Source Code and Deployment Tokens. Attackers used a compromised npm publishing credential to release five malicious versions of Jscrambler’s Code Integrity package, deploying a Rust-based infostealer that harvested developer, cloud and AI tool credentials while evolving its delivery methods to evade detection. First seen on govinfosecurity.com Jump to article: www.govinfosecurity.com/jscrambler-npm-breach-exposes-developers-to-malware-a-32215
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Silver Fox group uses new Rust-based MODBEACON RAT
First seen on scworld.com Jump to article: www.scworld.com/brief/silver-fox-group-uses-new-rust-based-modbeacon-rat
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Anthropic buffa Library Zero-Day Lets Attackers Trigger Memory-Amplification DoS
Anthropic’s Rust-based protobuf library, buffa, has been discovered to have a zero-day memory amplification denial-of-service (DoS) vulnerability. This flaw allows attackers to deplete system memory using relatively small inputs. Endor Labs identified the issue through its AI-powered static application security testing (SAST) engine and is now tracked as CVE-2026-55407. This situation underscores how logic flaws…
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RustDuck Botnet Rebuilds in Rust to Hijack Routers and Servers for DDoS
A new two-stage malware family called RustDuck is hijacking home routers, IP cameras, Android boxes, and poorly secured servers, then stitching them into a network built to knock websites and online services offline.Researchers at QiAnXin’s XLab have tracked it since February 2026, and say the real story is not how big it is today, but…
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macOS.Gaslight: North Korea-Linked Malware That Tries to Gaslight the Analyst
macOS.Gaslight: DPRK Rust implant for Mac with a prompt injection payload designed to fool AI-based malware analysts. SentinelLabs researchers spotted a Rust-based macOS implant, dubbed macOS.Gaslight, that surfaced in early June after an Apple XProtect update pointed to a VirusTotal sample uploaded on May 22. The binary was undetected by static engines at the time…
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KuinaExtractor Stealer Targets Browser Data, Crypto Wallets, Roblox, Steam, and Discord
A previously undocumented Rust-based infostealer they call KuinaExtractor, a family that has evolved from a capable early prototype into a hardened, stealth-focused threat now rebranded as “k0to.” Analysis of dozens of samples and function-level code comparisons reveals a clear single-operator lineage, steady feature expansion, and deliberate moves toward concealment rather than new capabilities. The actor’s…
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DPRK-Linked macOS Implant Uses LaunchAgent Persistence and Python Stealer Module
The binary tracked as macOS.Gaslight as a Rust-based macOS implant and infostealer whose most novel features are analyst-directed prompt injection and a hardened Telegram-based command-and-control (C2) channel. We assess with high confidence that macOS.Gaslight aligns with DPRK-linked macOS activity clustered around BONZAI and AIRPIPE signatures. macOS.Gaslight is ad hoc signed, carries the identifier endpoint-macos-aarch64-5555494492fc075f441637fb9d894913dde3a2ea, and…
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New Gaslight macOS Malware Uses Prompt Injection to Disrupt AI-Assisted Analysis
A previously undocumented Rust-based macOS implant and information stealer has been found to embed a prompt injection payload designed to trick a malware analyst’s artificial intelligence (AI) tools and trick it into aborting or refusing an analysis of the artifact.The malware has been codenamed Gaslight owing to this deceptive behavior. It’s been assessed with high…
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Fable 5 AI Model Builds Bootable Windows Kernel in Rust in Just 38 Minutes
A newly released AI model, Claude Fable 5, has made a significant advancement in autonomous systems programming by generating a bootable Windows NT-style kernel in Rust in just 38 minutes. The project, titled ntoskrnl-rs, began as an empty repository and evolved into a functioning x86_64 kernel that boots in QEMU and passes all internal self-tests.…
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Fake GitHub Stars and AI Videos Mask a Crypto Clipper
A Rust crypto clipper hides behind fake GitHub stars and AI-narrated YouTube videos First seen on infosecurity-magazine.com Jump to article: www.infosecurity-magazine.com/news/crypto-clipboard-hijacker-fake/
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Over 400 Arch Linux AUR Packages Hijacked to Deploy Infostealer and eBPF Rootkit
Attackers took over more than 400 packages in the Arch User Repository (AUR) this week and rewrote their build scripts to install a credential stealer on any machine that built them.The malware is a Rust binary built to harvest developer secrets. When it lands with root, it can also load an eBPF rootkit to hide…
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400+ Arch Linux AUR Packages Hijacked to Install Rust Credential Stealer
Attackers took over more than 400 packages in the Arch User Repository (AUR) this week and rewrote their build scripts to install a credential stealer on any machine that built them.The malware is a Rust binary built to harvest developer secrets. When it lands with root, it can also load an eBPF rootkit to hide…
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IronWorm and New Miasma Worm Variant Hit npm in Supply Chain Attacks
Multiple software supply chain attacks have hit the npm ecosystem, with threat actors using both malicious and poisoned versions of over 50 legitimate packages to distribute a Rust-based information stealer and a self-spreading worm, respectively.According to JFrog, the information stealer “scrapes every secret it can find on a developer’s machine, hides behind an eBPF kernel…
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Rust-Written IronWorm Hits NPM Supply Chain
Like Shai-Hulud, the campaign targets developers to steal credentials and reuses them to propagate across the software supply channel. First seen on darkreading.com Jump to article: www.darkreading.com/cyberattacks-data-breaches/rust-written-ironworm-npm-supply-chain
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Trending Hugging Face Repo With 200K Downloads Spreads Windows Malware
A malicious Hugging Face repository, Open-OSS/privacy-filter, that abused the platform’s trust and trending algorithm to deliver a sophisticated Rust-based infostealer to Windows users. The project briefly reached the #1 trending position with roughly 244,000 downloads and hundreds of likes before Hugging Face took it down, strongly suggesting the threat actor artificially boosted its popularity to…
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OpenClaw Malware Targets Crypto Wallets and Bitwarden Credentials
OpenClaw users are being targeted in a fresh malware campaign that abuses a fake installer to steal credentials from popular crypto wallets and password managers, including MetaMask, Phantom, and Bitwarden. The archive contains a 130MB Rust executable padded with fake documentation to evade antivirus file-size scanning limits and many automated sandbox upload thresholds. The PE…
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Fake OpenAI Privacy Filter Repo Hits #1 on Hugging Face, Draws 244K Downloads
A malicious Hugging Face repository managed to take a spot in the platform’s trending list by impersonating OpenAI’s Privacy Filter open-weight model to deliver a Rust-based information stealer to Windows users.The project, named Open-OSS/privacy-filter, masqueraded as its legitimate counterpart, released by OpenAI late last month (openai/privacy-filter), including copying the entire First seen on thehackernews.com Jump…
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NWHStealer Campaign Deploys Bun Loader, Anti-VM Evasion, and Encrypted C2
A new distribution method for the NWHStealer infostealer that leverages the Bun JavaScript runtime, marking a significant evolution in the malware’s delivery infrastructure. The threat actors behind this Rust-based stealer are exploiting Bun’s relative newness and high-performance capabilities to package malicious code into larger executables that evade traditional detection methods. Bun is a legitimate, fast…
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Stealthy malware abuses Microsoft Phone Link to siphon SMS OTPs from enterprise PCs
Multi-stage infection chain: The intrusion begins with an unknown initial access vector, followed by the execution of a malicious file disguised as a ScreenConnect update, Talos said.The initial payload is a Rust-compiled loader using filenames such as “systemupdates.exe,” which drops a .NET loader disguised as a text file in a system directory, the post said.Persistence…
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Brush shell 0.4.0 tightens script safety, widens platform support
Tags: rustRust-based alternatives to traditional Unix shells continue to attract users who want bash compatibility alongside built-in features like syntax highlighting and history-based … First seen on helpnetsecurity.com Jump to article: www.helpnetsecurity.com/2026/05/04/brush-0-4-0-shell-released/
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Ubuntu 26.04 LTS delivers memory-safe system tools and live patching for Arm servers
Linux distributions have spent the past few years absorbing GPU vendor toolchains, Rust-based system components, and more stringent encryption defaults. Ubuntu 26.04 LTS, … First seen on helpnetsecurity.com Jump to article: www.helpnetsecurity.com/2026/04/24/ubuntu-26-04-lts-resolute-raccoon-released/
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Ubuntu 26.04 LTS delivers memory-safe system tools and live patching for Arm servers
Linux distributions have spent the past few years absorbing GPU vendor toolchains, Rust-based system components, and more stringent encryption defaults. Ubuntu 26.04 LTS, … First seen on helpnetsecurity.com Jump to article: www.helpnetsecurity.com/2026/04/24/ubuntu-26-04-lts-resolute-raccoon-released/
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Ubuntu 26.04 LTS delivers memory-safe system tools and live patching for Arm servers
Linux distributions have spent the past few years absorbing GPU vendor toolchains, Rust-based system components, and more stringent encryption defaults. Ubuntu 26.04 LTS, … First seen on helpnetsecurity.com Jump to article: www.helpnetsecurity.com/2026/04/24/ubuntu-26-04-lts-resolute-raccoon-released/