FortiGuard found SectopRAT hidden in modified audio software files, using staged loading to steal browser data and remotely control infected Windows PCs.
Varonis Threat Labs discovered AvisLoader, a Windows malware loader that uses the Tox peer-to-peer network for C2 and arrives through a malicious ClickFix lure.
Blackpoint Cyber found ChainScript, a Node.js RAT spread through fake Spotify, Zoom and Teams installers that uses Polygon smart contracts to locate its C2 server.
Kaspersky links OctLurk and SilkLurk to cyberespionage attacks stealing passwords, emails and files from government systems in six countries since January 2025.