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Assistants API - 1

2025 (1)

November (1)

security: SesameOp: Novel backdoor uses OpenAI Assistants API for command and control

Microsoft Security Blog

2025-11-03

Microsoft DART researchers identified a novel backdoor, dubbed SesameOp, that abuses the OpenAI Assistants API as a covert command-and-control (C2) channel. A component of the backdoor uses the Assistants API as a storage/relay to fetch commands and execute tasks inside compromised environments, avoiding traditional C2 methods.

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