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FishMonger’s arsenal upgraded: SprySOCKS for Windows

ESET researchers have discovered SprySOCKS for Windows, FishMonger’s backdoor weaponizing a kernel driver for advanced stealthiness

Public and Private Medical Community Targeted by China-Nexus Threat Actor Pursuing Artificial Intelligence, Cyber, Medical, and National Defense Research

Written by: Patrick Whitsell, John McGuiness, Muhammad Umair Google Threat Intelligence Group (GTIG) has identified a sophisticated campaign attributed to UNC6508, a People's Republic of China (PRC)-nexus threat actor, targeting institutions in the North American academic, medical, and military research community. While remaining undetected for over a year, the threat actor compromised externally facing web applications, deployed bespoke malware, pivoted to sensitive internal systems, and abuse…

EvilTokens: A phishing attack that doesn’t steal your password

A phishing kit subverting Microsoft’s legitimate authentication flow lets attackers break into accounts without stealing passwords or creating fake login pages

Inside Kali365, a Device Code Phishing Ecosystem | Huntress

Huntress traced device code phishing from Tencent Cloud to Kali365, a Microsoft 365 kit that steals tokens and keeps access even after MFA or password resets.

Sniper’s Nest: From Brand Impersonation to Browser Hijacking and CPA Fraud

This blog provides a deep-dive into SniperDz, a centralised PhaaS platform with more than 80 ready-made phishing templates impersonating over 30 global brands, and uncovers the hidden infrastructure behind this sophisticated and highly-organized fraud ecosystem.

2026-007: Critical Vulnerability in Windows Netlogon

On 12 May 2026, Microsoft published a security advisory addressing a critical vulnerability affecting Windows Server when acting as a domain controller. This vulnerability allows an unauthenticated attacker to execute arbitrary code over a network. According to The Centre for Cybersecurity Belgium (CCB), this vulnerability is currently exploited by threat actors. It is strongly recommended updating affected Windows servers as soon as possible.

Security Alert: Microsoft Releases June 2026 Security Updates

CVE-2025-11462 AWS ClientVPN macOS Client Local Privilege Escalation

Bulletin ID: AWS-2025-020 Scope: AWS Content Type: Important (requires attention) Publication Date: 2025/10/07 01:30 PM PDT Description: AWS Client VPN is a managed client-based VPN service that enables secure access to AWS and on-premises resources. The AWS Client VPN client software runs on end-user devices, supporting Windows, macOS, and Linux and provides the ability for end users to establish a secure tunnel to the AWS Client VPN Service. We have identified CVE-2025-11462, an issue in AWS …

CVE-2025-8069 - AWS Client VPN Windows Client Local Privilege Escalation

Scope: Amazon/AWS Content Type: Important (requires attention) Publication Date: 2025/07/23 8:30 AM PDT Description: AWS Client VPN is a managed client-based VPN service that enables secure access to AWS and on-premises resources. The AWS Client VPN client software runs on end-user devices, supporting Windows, macOS, and Linux and provides the ability for end users to establish a secure tunnel to the AWS Client VPN Service. We identified CVE-2025-###, an issue in AWS Client VPN. During the AWS …

Seeking Counsel: Ongoing Targeted Campaign Against US Law Firms

Written by: Chad Reams, Tufail Ahmed, Keith Knapp, Ashley Frazer, Tyler McLellan Introduction From January through May 2026, Mandiant identified a financially motivated data theft extortion campaign executed by the threat cluster UNC3753 (also tracked as "Luna Moth," “Chatty Spider,” and "Silent Ransom Group") targeting dozens of organizations across professional, legal, and financial services in the United States. UNC3753 leverages voice phishing (vishing) and social engineering deception tech…

Inside .NET Loader Analysis: From Malspam to In-Memory Loader

A malspam campaign abusing Google's DoubleClick delivers the loader through a five-stage chain that evades detection and blinds Windows telemetry before persisting

Unpatched NTLM Leakage in Windows search: URI Handler, Same Bug, No CVE, No Fix

The same NTLM leakage primitive that got patched in the Snipping Tool exists in Windows Explorer's search: handler. No CVE. No fix. If your patching relies on CVE coverage, you have a blind spot.

Microsoft Entra ID 1-Click Open Redirection via OAuth Error Handling Abuse

Microsoft Entra ID 1-Click Open Redirection via OAuth Error Handling Abuse Researchers associated with Tenable have discovered new techniques to trigger 1-click open redirection attacks in Microsoft Entra ID by abusing the OAuth error-handling mechanism. The attack relies on an initial setup phase where a threat actor registers an OAuth application in an actor-controlled tenant and configures its redirect_uri to point to an attacker-controlled domain. When a victim clicks on a specifically craf…

Inside the RaaS Ecosystem: Operators, Affiliates & Attack Tradecraft | Huntress

The ransomware name on the ransom note doesn't tell the full story. See how RaaS affiliates drive initial access, persistence, and exfiltration and what defenders should watch for.

Welcome to BlackFile: Inside a Vishing Extortion Operation

Written by: Austin Larsen, Tyler McLellan, Genevieve Stark, Dan Ebreo Introduction Google Threat Intelligence Group (GTIG) has continued to track an expansive extortion campaign by UNC6671, a threat actor operating under the "BlackFile" brand, that targets organizations via sophisticated voice phishing (vishing) and single sign-on (SSO) compromise. By leveraging adversary-in-the-middle (AiTM) techniques to bypass traditional perimeter defenses and multi-factor authentication (MFA), UNC6671 gain…

[Màj] Vulnérabilité dans Microsoft Exchange Server (15 mai 2026)

[Mise à jour du 11 juin 2026] Le 9 juin 2026, Microsoft a publié des versions correctives. [Publication initiale] Le 14 mai 2026, Microsoft a publié un avis de sécurité concernant la vulnérabilité CVE-2026-42897 affectant Exchange Server. Elle permet à un attaquant non authentifié de provoquer...

Security Alert: Microsoft Releases May 2026 Security Updates

A rigged game: ScarCruft compromises gaming platform in a supply-chain attack

ESET researchers have investigated an ongoing attack by the ScarCruft APT group that targets the Yanbian region via backdoor-laced Windows and Android games

dMSA Ouroboros: Self-Sustaining Credential Extraction in Windows Server 2025

A fully patched Windows Server 2025 domain is vulnerable to dMSA Ouroboros—a self-sustaining credential extraction technique requiring only standard delegated permissions. Learn how it works, why remediation fails, and how to detect it.

Stronger Cybersecurity, Stronger Business: NIST Celebrates 2026 National Small Business Week

Happy National Small Business Week! For over 60 years, the U.S. Small Business Administration has led this initiative to acknowledge the critical contributions of America’s entrepreneurs and small business owners. Part of the U.S. Department of Commerce, NIST’s mission is to drive U.S. innovation and global competitiveness, and the small business community is central to this mission. In this year’s blog, we shine a spotlight on some new and upcoming NIST resources that are all focused on streng…

Komari Red: The Monitoring Tool with a Built-in Reverse Shell

Huntress found threat actors using the Komari monitoring agent as a SYSTEM-level backdoor. Learn how they abused GitHub and what defenders should hunt for.

Phoenix Rising: Exposing the PhaaS Kit Behind Global Mass Phishing Campaigns

While analyzing global smishing operations spanning APAC, LATAM, Europe, and MEA, Group-IB researchers uncovered the 'Phoenix System' administrative panel, a centralized Phishing-as-a-Service (PhaaS) platform with real-time victim monitoring, geofencing, and live-phishing interventions to bypass multi-factor authentication.

AI threats in the wild: The current state of prompt injections on the web

Posted by Thomas Brunner, Yu-Han Liu, Moni PandeAt Google, our Threat Intelligence teams are dedicated to staying ahead of real-world adversarial activity, proactively monitoring emerging threats before they can impact users. Right now, Indirect Prompt Injection (IPI) is a top priority for the security community, anticipating it as a primary attack vector for adversaries to target and compromise AI agents. But while the danger of IPI is widely discussed, are threat actors actually exploiting th…

Snow Flurries: How UNC6692 Employed Social Engineering to Deploy a Custom Malware Suite

Written by: JP Glab, Tufail Ahmed, Josh Kelley, Muhammad Umair Introduction Google Threat Intelligence Group (GTIG) identified a multistage intrusion campaign by a newly tracked threat group, UNC6692, that leveraged persistent social engineering, a custom modular malware suite, and deft pivoting inside the victim’s environment to achieve deep network penetration. As with many other intrusions in recent years, UNC6692 relied heavily on impersonating IT helpdesk employees, convincing their victim…

Attackers Didn’t Wait for AI. They Built Workflows Around It.

Attackers are building workflows around AI—fake tools, spoofed answers, and machine-speed phishing. See how Huntress is tracking this shift and what it means for defenders.