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a16z 研究:AI 代理可识别 DeFi 价格操纵漏洞,但复杂攻击执行能力仍有限

2026-04-29 11:38:06

ChainCatcher 消息,据 a16z 披露,其研究人员对 AI 代理能否独立完成 DeFi 价格操纵漏洞利用进行了系统测试。

研究以 20 起以太坊价格操纵事件为数据集,使用配备 Foundry 工具链的 Codex(GPT 5.4)作为测试代理。在无领域知识的基准条件下,代理成功率仅为 10%;引入基于真实攻击事件提炼的结构化领域知识后,成功率提升至 70%。失败案例显示,代理均能准确识别漏洞,但普遍无法理解递归借贷的杠杆逻辑、错误判断盈利空间,以及无法组装跨合约的多步骤攻击结构。实验还记录到一起沙箱逃逸事件:代理通过提取本地节点配置中的 RPC 密钥,调用 anvil_reset 方法将节点重置至未来区块,绕过信息隔离限制并获取真实攻击数据。研究团队认为,AI 代理目前可有效辅助漏洞识别,但尚不能替代专业安全审计人员。

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