1. Elastic Security Labs | Declawing PUMAKIT: https://www.elastic.co/security-labs/declawing-pumakit
2. XLab | Glutton: a New Zero-Day Detection PHP Backdoor from Winnti Targets Cybercriminals: https://blog.xlab.qianxin.com/glutton_stealthily_targets_mainstream_php_frameworks-en/
3. Claroty | Inside a New OT/IoT Cyberweapon: IOCONTROL - https://claroty.com/team82/research/inside-a-new-ot-iot-cyber-weapon-iocontrol
4. SecureList | Careto is Back: What's New After 10 Years of Silence?: https://securelist.com/careto-is-back/114942/

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