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Researchers Detail Tuoni C2's Role in Real-Estate Attack

🔒 Cybersecurity researchers disclosed an attempted intrusion against a major U.S. real-estate firm that leveraged the emerging Tuoni C2 and red-team framework. The campaign, observed in mid-October 2025, used Microsoft Teams impersonation and a PowerShell loader that fetched a BMP-steganographed payload from kupaoquan[.]com and executed shellcode in memory. That sequence spawned TuoniAgent.dll, which contacted a C2 server but ultimately failed to achieve its goals. The incident highlights the risk of freely available red-team tooling and AI-assisted code generation being abused by threat actors.