Hackers Abuse PyInstaller to Deploy Stealthy macOS Infostealer
Jamf Threat Labs has identified a novel macOS infostealer that exploits PyInstaller, a legitimate open-source tool used to bundle Python scripts into standalone Mach-O executables.…
Category: GBHackers
PupkinStealer Targets Windows Users to Steal Browser Login Credentials
A newly identified information-stealing malware dubbed PupkinStealer has emerged as a significant threat to Windows users, with its first sightings reported in April 2025. Written…
Repeated Firmware Key-Management Failures Undermine Intel Boot Guard and UEFI Secure Boot
The security of fundamental technologies like Intel Boot Guard and UEFI Secure Boot has been seriously questioned due to persistent cryptographic key management issues within…
Cobalt Strike 4.11.1 Released With SSL Checkbox Fix
Cobalt Strike has announced the release of version 4.11.1, an out-of-band update addressing several critical issues discovered in the previous 4.11 release. The update primarily…
Attackers Leverage Unpatched Output Messenger 0‑Day to Deliver Malicious Payloads
A Türkiye-affiliated espionage threat actor, tracked by Microsoft Threat Intelligence as Marbled Dust (also known as Sea Turtle and UNC1326), has been exploiting a zero-day…
Researchers Uncover Remote IT Job Fraud Scheme Involving North Korean Nationals
The United States indicted fourteen North Korean nationals for orchestrating a sophisticated scheme to secure remote IT jobs at American companies and nonprofits using stolen…
Apple Releases Security Patches to Fix Critical Data Exposure Flaws
Apple released critical security updates for macOS Sequoia 15.5 on May 12, 2025, addressing over 40 vulnerabilities across system components ranging from kernel-level memory corruption…
APT37 Hackers Use Weaponized LNK Files and Dropbox for Command-and-Control Operations
The North Korean state-sponsored hacking group APT37, also known as ScarCruft, launched a spear phishing campaign targeting activists focused on North Korean issues. Named “Operation:…
Kimsuky Hacker Group Deploys New Phishing Techniques and Malware Campaigns
The North Korean state-sponsored Advanced Persistent Threat (APT) group Kimsuky, also known as “Black Banshee,” has been active since at least 2012, targeting nations like…
Lumma Stealer Upgraded with PowerShell Tools and Advanced Evasion Techniques
Sophos Managed Detection and Response (MDR) in September 2024, the notorious Lumma Stealer malware has evolved with sophisticated PowerShell tools and advanced evasion tactics, leveraging…
New Noodlophile Malware Spreads Through Fake AI Video Generation Platforms
Cybercriminals have unleashed a new malware campaign using fake AI video generation platforms as a lure. Dubbed Noodlophile Stealer, this previously undocumented infostealer targets unsuspecting…
Phishing Campaign Uses Blob URLs to Bypass Email Security and Avoid Detection
Cybersecurity researchers at Cofense Intelligence have identified a sophisticated phishing tactic leveraging Blob URIs (Uniform Resource Identifiers) to deliver credential phishing pages directly to users’…