Exposing the Core Functionalities of QuasarRAT: Encrypted Configuration and Obfuscation Techniques

In the second installment of the “Advent of Configuration Extraction” series, security researchers have unwrapped QuasarRAT, a widely-deployed .NET remote access trojan (RAT), revealing sophisticated techniques for extracting its encrypted configuration from both clean and obfuscated binary samples. The analysis…

CISA Adds Critical React2Shell Vulnerability to KEV Catalog After Active Exploitation

The Cybersecurity and Infrastructure Security Agency (CISA) has officially added a high-severity vulnerability affecting Meta’s React Server Components to its Known Exploited Vulnerabilities (KEV) catalog. Assigned the identifier CVE-2025-55182, the security flaw dubbed “React2Shell” by the security community is currently being…