Observed Signal · Feb 1, 2025 · Policy Update · Source: OpenAI Blog · Impact: 4/5 · Sentiment: Negative

OpenAI bans DPRK-linked accounts using LLMs

Executive Signal Summary

OpenAI reports it banned accounts it assessed to be potentially associated with DPRK-affiliated threat actors (VELVET CHOLLIMA and STARDUST CHOLLIMA) after a tip from a trusted industry partner. The accounts used OpenAI models and tools for coding assistance, debugging, and researching open-source security-related code tied to intrusion activity — including RDP brute-force tooling, Remote Administration Tools (RATs), PowerShell scripts, obfuscated payloads, and phishing social engineering targeting crypto investors. Staging URLs for previously undetected binaries were discovered during debugging, submitted to an online scanning service, and are now detected by multiple security vendors. OpenAI banned the accounts and shared payloads with the security community to disrupt operations.

Polaris7 AgentPolaris7 Strategic Assessment
High Confidence

Major LLM provider (OpenAI) enforced bans and disclosed concrete misuse patterns where models aided cyber intrusion, phishing, and malware staging — important for platform safety, security community response, and trust in generative AI.

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Key Takeaways & Evidence Grounding

  • OpenAI banned accounts assessed to be potentially associated with DPRK-affiliated threat actors.
  • Detection followed a tip from a trusted industry partner.
  • The accounts used OpenAI models for coding assistance, debugging, and researching tools related to RDP brute-force attacks, RATs, PowerShell scripting, payload obfuscation, and phishing.
  • Staging URLs for binaries discovered by the actor were submitted to an online scanning service and are now detected by multiple security vendors.
  • OpenAI shared the actors' payloads with the security community and banned the associated accounts.

Connected Companies & Entities

1 Entity mapped

“We banned accounts demonstrating activity potentially associated with publicly reported Democratic People’s Republic of Korea (DPRK)-affilia...”

Primary Source Grounding & Direct Attribution
Direct Origin Attribution
Primary Reporting: OpenAI Blog•Published: Feb 1, 2025
Original Coverage Title: “Cyber threat actors: AI-assisted intrusion research”

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