GBHackers On Security

A newly identified Cyclops Blink variant has resurfaced on compromised Cisco Secure Firewall Management Center (FMC) appliances, adding active internal-network scanning and programmable packet-sniffing capabilities to an already mature modular implant. Assessed with high confidence that the activity has a Russian nexus, with a moderate-confidence link to IRON VIKING also trac...

China-linked threat actors tracked as UNC3569 have exploited a critical one-click remote code execution vulnerability in Tencent’s Sogou Input Method for Windows to deploy the GRAYRABBIT backdoor on targeted systems. Tracked as CVE-2026-51990, the vulnerability chains an insecure custom protocol handler, unrestricted embedded-browser navigation, and an obsolete Chromium build...

A Casbaneiro banking Trojan campaign targeting users across Latin America, using phishing lures, geofenced delivery infrastructure, and distributed command-and-control (C2) servers to obscure malicious activity. The operation, observed in August 2026, primarily targets victims in Argentina, Peru, Colombia, and Mexico through fake invoice and legal-notice emails carrying links...

A five-stage AsyncRAT campaign that chains a socially engineered batch file, hidden PowerShell execution, AutoIt abuse and process injection to conceal a .NET remote-access trojan inside Microsoft’s legitimate charmap.exe process. The infection begins with a lure named “Right-click to open Invoice Details.bat”, which relies on user interaction to trigger execution. While the ...

Threat actors are increasingly using Claude-based AI workflows to automate cyberattacks, accelerate data theft, and reduce the technical expertise needed to run complex intrusions. Anthropic’s report details cyber espionage, financially motivated extortion, supply-chain compromise, and hacktivist activity disrupted between December 2025 and August 2026. Rather than using an A...