Group-IB:

Phoenix Rising: Exposing the PhaaS Kit Behind Global Mass Phishing Campaigns https://www.group-ib.com/blog/phoenix-phaas-kit-smishing/

Securonix:

Deep#Door Stealer: Stealthy Python Backdoor and Credential Stealer Leveraging Tunneling, Multi-Layer Persistence, and In-Memory Surveillance Capabilities https://www.securonix.com/blog/deepdoor-python-backdoor-and-credential-stealer/

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