A sophisticated supply chain attack campaign has expanded to 471 affected artifacts across npm and PyPI, targeting developers through malicious packages. The campaign uses three distinct delivery methods: executable .pth startup hooks, trojanized native .abi3.so extensions that execute at import time, and a split loader-payload architecture that searches Python's sys.path. Twenty-three newly identified PyPI packages masquerade as bioinformatics tools, AI frameworks, and popular libraries like requests and Flask. The attack deploys heavily obfuscated JavaScript stealers via Bun runtime, harvesting high-value credentials including GitHub tokens, npm registry access, cloud credentials, SSH keys, and CI/CD secrets. The malware employs anti-analysis techniques with fake LLM prompt-injection headers designed to disrupt AI-assisted security scanners, while targeting developer workstations and automated build environments.
A multi-stage phishing campaign emerged in early May 2026, impersonating LinkedIn and Indeed through typosquatted domains to deliver malicious payloads. The attack chain begins with fake CAPTCHA pages distributed via Google Ads, leveraging the legacy Finger protocol and native Windows utilities. Victims are tricked into executing commands that deploy portable Python runtimes (CPython or IronPython), which then execute in-memory shellcode. The campaign delivers CastleLoader, a Malware-as-a-Service framework using ChaCha20 and RC4 encryption for C2 communications, followed by a Python-based remote access trojan. The RAT provides interactive shell control, in-memory payload execution, and persistence mechanisms. The campaign represents an evolution of browser-based social engineering, combining Living-off-the-Land binaries with Python-based delivery to maintain a fileless footprint and evade detection through legitimate system utilities.
A supply chain attack targeting the npm ecosystem was identified involving 14 malicious packages published under the alias vpmdhaj. These packages typosquat well-known OpenSearch, ElasticSearch, and DevOps libraries, executing malicious payloads through npm lifecycle hooks during installation. The attack deploys a two-stage credential harvesting operation that targets AWS credentials, HashiCorp Vault tokens, GitHub Actions secrets, and npm publish tokens. The malware queries AWS Instance Metadata Service, ECS task metadata, and enumerates AWS Secrets Manager across multiple regions. Two stager variants were observed: an HTTP-based C2 beacon and a stealthier version abusing the legitimate Bun runtime. The stolen credentials enable cloud lateral movement and downstream supply chain attacks through compromised npm maintainer identities, specifically targeting developers working with cloud and CI/CD infrastructure.
A coordinated smishing operation spanning 19 countries across Europe, the Americas, and the Caucasus has been exposed, originating from fraudulent SMS messages impersonating Romania's government payment portal Ghișeul.ro. Investigation revealed 1,628 malicious URLs linked by a single 128-character campaign identifier, targeting government portals, traffic police departments, postal services including DPD and SEUR, tax authorities, and telecommunications providers like T-Mobile and Vodafone. The infrastructure utilizes 32 backend IP addresses distributed across Tencent Cloud, Alibaba Cloud, Cloudflare CDN, and ALEXHOST Moldova. Threat actors employ two distinct phishing templates: a Vue.js single-page application and a Bootstrap-based clone, executing a four-stage credential harvesting process that collects complete payment card details through fabricated traffic fines, toll payments, and delivery notifications.
Financially motivated eCrime actors are conducting an ongoing infostealer campaign targeting software developers through SEO poisoning techniques. The operation impersonates AI platforms including Gemini CLI and Claude Code, as well as developer tools like Node.js, Chocolatey, and KeePassXC. Attackers position fake domains above legitimate search results, directing victims to malicious installation pages that deliver fileless PowerShell-based infostealer malware. The malware executes entirely in memory, disables Windows Defender telemetry by patching ETW and AMSI, and harvests credentials from browsers, collaboration platforms, VPN clients, and cloud storage. Stolen data includes OAuth tokens, CI/CD credentials, and corporate VPN details, providing direct enterprise network access. The campaign leverages bulletproof hosting infrastructure and over 30 typosquatted domains registered between March and April 2026, primarily targeting users in the United States and United Kingdom.
A sophisticated npm supply chain attack was uncovered involving the typosquatted package crypto-javascri, designed to mimic the legitimate crypto-js library. The malware harvests npm and GitHub credentials from infected systems, hijacks maintainer accounts, and automatically republishes trojanized versions of packages under trusted identities. The final payload incorporates a weaponized Arti Tor client with credential theft, cryptomining capabilities, privilege escalation via SUID exploitation, and systemd-based persistence mechanisms. The campaign specifically targets Linux developer systems and CI/CD environments, using Tor-based command-and-control infrastructure to maintain anonymity and resilience. The attack creates significant downstream supply chain risk through its worm-like propagation model.
A long-running typosquatting campaign impersonated the widely used shopspring/decimal Go library by publishing github.com/shopsprint/decimal, differing by a single character. Active since November 2017, the package remained benign through seven releases until being weaponized in August 2023 with version v1.3.3. This version introduced a malicious init() function that executes automatically on import, establishing a DNS TXT record-based command and control channel to dnslog-cdn-images.freemyip.com. The backdoor polls every five minutes and executes arbitrary commands returned via TXT records. Although the GitHub repository and owner account have been deleted, the malicious module remains permanently cached and accessible through Go's module proxy system, continuing to pose a supply chain risk to developers who mistype the package name.
A new variant of SHub Stealer dubbed 'Reaper' targets macOS users through fake WeChat and Miro installers, employing sophisticated multi-stage delivery chains that spoof Apple, Google, and Microsoft services. The malware leverages the applescript:// URL scheme to bypass Terminal-based defenses, conducting extensive fingerprinting and anti-analysis checks before execution. Reaper harvests browser credentials, cryptocurrency wallets, developer configurations, iCloud data, and Telegram sessions. It includes an AMOS-style document theft module targeting files under 150MB with chunked uploads. The variant establishes persistence through a fake Google Software Update LaunchAgent and installs a backdoor for remote code execution. The infection specifically avoids CIS regions and employs extensive anti-analysis techniques including WebGL fingerprinting, VM detection, and DevTools interference.
A sophisticated phishing campaign impersonating Tesseract OCR was discovered, utilizing typosquatting and ClickFix techniques. The attack chain, named OCRFix, employed multi-stage malware deployments with heavy obfuscation and defense evasion techniques, including EtherHiding. The campaign used BNB Smart Chain TestNet to hide C2 domains through smart contracts. The malware delivery process involved three stages: a loader, a secondary loader for persistence, and a bot listener. The final payload connected to a bot control panel, allowing attackers to manage infected hosts and deploy additional malware. The campaign demonstrated a combination of simple initial access methods with complex delivery chains, highlighting the ongoing effectiveness of techniques like ClickFix and the importance of robust phishing defenses.
A NuGet supply chain attack involving four malicious packages targeting ASP.NET web application developers has been discovered. The campaign deploys a multi-stage payload where NCryptYo acts as a dropper, establishing a local proxy, while companion packages exfiltrate ASP.NET Identity data and accept threat actor-controlled authorization rules, creating backdoors in victim applications. The packages, published between August 12-21, 2024, have accumulated over 4,500 downloads. The attack uses obfuscation, JIT compiler manipulation, and a two-stage architecture to evade detection. The campaign's objective is to compromise applications during development, gaining access to deployed production instances by controlling the authorization layer.
A sophisticated campaign by the Silver Fox APT group has been discovered using a fake version of the popular Chinese antivirus Huorong Security to distribute ValleyRAT, a Remote Access Trojan. The attackers created a convincing lookalike website with a typosquatted domain to trick users into downloading a malicious installer. The malware uses DLL sideloading techniques to deploy a full-featured backdoor with advanced stealth capabilities. It establishes persistence through scheduled tasks, disables Windows Defender, and employs various evasion tactics. Once installed, ValleyRAT provides attackers with extensive control over the victim's system, including keylogging, process injection, and credential theft. The campaign primarily targets Chinese-language systems but may be spreading to other threat actors due to the public leak of the ValleyRAT builder.
An active supply chain worm campaign, dubbed SANDWORM_MODE, is spreading through typosquatting and AI toolchain poisoning across at least 19 malicious npm packages. The worm exhibits Shai-Hulud characteristics, incorporating GitHub API exfiltration with DNS fallback, hook-based persistence, SSH propagation, and MCP server injection targeting AI coding assistants. It harvests credentials from developer and CI environments, exfiltrates data via multiple channels, and uses stolen identities to propagate. The campaign also includes a weaponized GitHub Action for CI secret harvesting. The worm employs a multi-stage design with obfuscated loaders, time-gated execution, and extensive configuration options. It targets high-traffic developer utilities, crypto tooling, and AI coding tools, posing a significant threat to the software supply chain.
A malware campaign targeting macOS users uses typosquatted domains impersonating the Homebrew package manager to trick victims into executing malicious commands. The attack delivers Cuckoo Stealer, a credential harvester that establishes persistence, bypasses Gatekeeper, and exfiltrates sensitive data including browser credentials and cryptocurrency wallets.
A massive malware campaign dubbed ClawHavoc has been uncovered in the ClawHub marketplace, targeting OpenClaw bots and their users. An AI bot named Alex, working with security researcher Oren Yomtov, discovered 341 malicious skills, including 335 from a single campaign. The malware, identified as Atomic Stealer (AMOS), uses sophisticated techniques to evade detection and steal sensitive data. The attack exploits users' trust in AI assistants, potentially compromising personal and financial information. In response, a new tool called Clawdex has been developed to help bots and users scan for malicious skills before installation.
This investigation exposes a complex fraud ecosystem targeting Canadians through impersonation of government services and trusted brands. Attackers exploit digital dependencies for transportation, taxation, parcel delivery, and travel using convincing campaigns. The activity is linked to the 'PayTool' phishing framework, specializing in traffic violation scams. Additional infrastructure impersonates Canada Revenue Agency, Air Canada, and Canada Post. Threat actors commercialize these campaigns on underground forums, selling phishing kits mimicking official services. Victims are lured via SMS and malicious ads, using high-pressure tactics. The infrastructure employs fake validation phases and fraudulent payment gateways to harvest personal and financial data. The campaign's scope spans multiple provinces, utilizing shared hosting and domain generation patterns for scalability.
Parked domains are increasingly being weaponized through direct search advertising, posing significant risks to users. The investigation found that over 90% of visits to parked domains led to scams, malware, or unwanted content. Three key actors were identified: one using lookalike domains and mail collection, another employing sophisticated 'double fast flux' techniques, and a third exploiting DNS configuration typos. These actors actively profile visitors and selectively redirect traffic to malicious advertisers. The complexity of the advertising ecosystem makes it difficult to trace the origin of threats. Recent policy changes and the rise of AI may inadvertently increase risks associated with parked domains.
Ahead of Black Friday and festive sales, over 2,000 holiday-themed fake online stores have been detected, organized into two main clusters. These sites impersonate major retailers like Amazon and use uniform holiday banners, fake trust indicators, and phishing kits to deceive shoppers. They employ urgency tactics and fake checkout pages to steal sensitive financial information. The scams are timed to activate during peak shopping periods to maximize victim traffic and financial theft. This campaign leverages social engineering, typosquatting, and e-commerce impersonation to exploit consumer trust during high-volume shopping events. Although no direct exploits target software vulnerabilities, the threat poses significant risks to consumers and indirectly to organizations handling payment and customer data. European organizations involved in e-commerce, payment processing, and consumer protection are particularly at risk. Mitigation requires proactive detection of fraudulent domains, consumer awareness campaigns, and enhanced monitoring of payment fraud. Countries with high e-commerce adoption and large consumer markets are most likely affected. The threat severity is assessed as high due to the potential financial impact and widespread exposure without requiring user authentication but relying on user interaction.
A threat campaign linked to the Scattered Lapsus$ Hunters group is targeting Zendesk users through over 40 typosquatted domains impersonating Zendesk and various organizations. These domains host phishing pages to harvest credentials. Attackers also submit fraudulent tickets to Zendesk portals to infect support staff with remote access trojans (RATs). This campaign follows similar attacks on other SaaS platforms like Salesforce, with Discord reportedly breached via its Zendesk support system. The attack leverages phishing, typosquatting, and social engineering to compromise customer service environments. Organizations are advised to implement strong authentication, monitor for typosquatted domains, and secure Zendesk chat to mitigate risks. The threat poses a medium severity risk due to its potential to compromise sensitive support operations and enable persistent access. No CVSS score is available, but the attack's impact on confidentiality and integrity, combined with ease of exploitation, warrants a medium severity rating.
Two malicious Python packages, sisaws and secmeasure, were discovered in the Python Package Index (PyPI) repository. These packages, created by the same author, deliver a Remote Access Trojan (RAT) called SilentSync. The RAT is capable of remote command execution, file exfiltration, screen capturing, and web browser data theft. It targets Windows systems and communicates with a command-and-control server using HTTP. The packages employ typosquatting and imitate legitimate modules to deceive users. SilentSync achieves persistence through platform-specific techniques and supports various commands for data exfiltration and system control. This discovery highlights the growing risk of supply chain attacks within public software repositories.
A sophisticated phishing campaign, likely attributed to Pakistan-linked APT36 (Transparent Tribe), is targeting Indian defense organizations and government entities using spoofed domains. The attackers employ advanced social engineering techniques, including real-time OTP harvesting, to bypass multi-factor authentication and gain access to official email accounts. The campaign uses typo-squatted domains mimicking government platforms to steal credentials. Infrastructure analysis reveals connections to Pakistani IPs and possible staging via Zah Computers. The threat actors create a false sense of legitimacy by referencing trusted authorities and secure communication flows. This coordinated approach highlights the severity of the threat and the attackers' strategic intent, potentially posing significant risks to national security.
