大模型在编程场景下会误推荐恶意代码,导致安全漏洞。
Hallucinating AI Hijacking Attack: Large Language Models and Malicious Code Recommenders
- 利用上下文切换诱使大模型推荐恶意代码
- 实测显示可生成可被劫持的API链接
- 适合关注AI安全与代码生成风险的研究者
本研究构建并评估了在主流代码仓库中引入复制代码或幻觉生成的恶意代码推荐的对抗性潜在风险。尽管OpenAI、Google和Anthropic的基础大模型对有害行为和毒性字符串设有防护,但先前关于数学求解中嵌入有害提示的工作表明,专家情境下的防护机制可能存在差异。当问题上下文改变时,混合专家模型可能暴露漏洞,减少对毒性评论或攻击性行为推荐的过滤。本文展示,基础模型在直白提示下会拒绝提出破坏性操作,但在突然切换至编程挑战场景时可能放松防护。实验以GitHub、NPM、NuGet及jsDelivr等流行内容分发网络为例,证明模型可推荐应用程序接口(API)端点,供域劫持者获取并部署攻击基础设施。该攻击与以往上下文转移研究对比,形成一种新型“借地生存”式恶意软件攻击。在此情况下,基础模型可利用用户无明确编码请求的正常提问,推荐违反其所有者安全政策的操作。
原文摘要 · Abstract (English)
The research builds and evaluates the adversarial potential to introduce copied code or hallucinated AI recommendations for malicious code in popular code repositories. While foundational large language models (LLMs) from OpenAI, Google, and Anthropic guard against both harmful behaviors and toxic strings, previous work on math solutions that embed harmful prompts demonstrate that the guardrails may differ between expert contexts. These loopholes would appear in mixture of expert's models when the context of the question changes and may offer fewer malicious training examples to filter toxic comments or recommended offensive actions. The present work demonstrates that foundational models may refuse to propose destructive actions correctly when prompted overtly but may unfortunately drop their guard when presented with a sudden change of context, like solving a computer programming challenge. We show empirical examples with trojan-hosting repositories like GitHub, NPM, NuGet, and popular content delivery networks (CDN) like jsDelivr which amplify the attack surface. In the LLM's directives to be helpful, example recommendations propose application programming interface (API) endpoints which a determined domain-squatter could acquire and setup attack mobile infrastructure that triggers from the naively copied code. We compare this attack to previous work on context-shifting and contrast the attack surface as a novel version of "living off the land" attacks in the malware literature. In the latter case, foundational language models can hijack otherwise innocent user prompts to recommend actions that violate their owners' safety policies when posed directly without the accompanying coding support request.
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