Botnets

WhatsApp Worm Propagates Astaroth Banking Trojan in Brazil Through Auto-Messaging

Cybersecurity researchers have uncovered a new malware campaign that abuses WhatsApp as a distribution channel to spread the Astaroth banking trojan across Brazil. The operation specifically targets Windows users and represents an evolution in how financial malware is propagated in the region. The campaign has been named Boto Cor-de-Rosa by the Acronis Threat Research Unit. […]

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RondoDox Botnet Abuses Critical React2Shell Vulnerability to Hijack IoT Devices and Web Servers

Cybersecurity researchers have uncovered a prolonged nine-month campaign that targeted Internet of Things (IoT) devices and web applications to recruit them into a botnet named RondoDox. As of December 2025, threat actors have been observed exploiting the newly disclosed React2Shell vulnerability (CVE-2025-55182, CVSS 10.0) to gain unauthorized access to vulnerable systems, according to an analysis

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