Microsoft Visual Studio utilities is a tool tracked across 2 threat clusters and 1 intelligence report mention on ThreatCluster. First observed November 4, 2025; most recent activity November 4, 2025.
Microsoft Visual Studio utilities are part of the Visual Studio development ecosystem. The article describing hackers hiding malware instructions and data in OpenAI accounts illustrates how legitimate developer tooling can be abused to conceal malicious payloads, highlighting risks in software development workflows and account ecosystems.
In July 2025, Microsoft discovered a new backdoor named SesameOp that exploits the OpenAI Assistants API for command-and-control operations. This malware allows attackers to remotely access and manage compromised…
Microsoft's Detection and Response Team (DART) discovered a new backdoor malware named SesameOp, which utilizes the OpenAI Assistants API for command-and-control (C2) communications. This malware allows attackers to…