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Oct 12 · Monday

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  1. AttacksarXiv 2610.13928

    AI models can provably hide arbitrary capabilities

    Proposes digital lock compilation, encrypting executable networks into host weights to hide arbitrary capabilities

    Published
    Evaluated models
    Gemma 3 270M
    AbstractThe authors use a digital lock to hide an executable capability and state that elicitation on the chemistry and parity tasks did not recover the capability.

    The authors construct a class of backdoors that encrypt an executable network into the weights, used to discuss the limits of white-box elicitation audits under supply chain attacks.

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  2. AttacksarXiv 2610.03124

    研究提出 Untag 攻击框架,使开源大模型触发标签滥用检测机制失效

    提出 UNTAG,绕过开源权重模型的 trigger-tag 滥用检测

    Published
    Evaluated models
    Llama2 (7B), Llama3 (8B), Qwen2.5 (7B)
    Abstract作者用 UNTAG 评估 trigger-tag,认为其不能充当开放权重滥用检测的主要边界。

    UNTAG 是针对开放权重 LLM 上条件滥用检测 trigger-tag 的统一攻击评估:信号可以在解码期注入,也可以写进权重,但攻击者若能改输出或改已发布权重,检测可以失效。

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  3. ORBIT:基于 UK AISI Inspect 的多智能体安全评测框架

    提出 ORBIT 框架,评测多智能体防御对合谋等威胁的效果

    Published
    Evaluated models
    GPT-5.4, Claude Sonnet 4.6, Qwen3-235B and others5

    AbstractORBIT 用六层配置比较多智能体防御,逐动作监控不迁移到合谋。

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  4. 论文揭示 BatchNorm 架构下机器遗忘评测的归一化伪影

    诊断 BatchNorm 架构下机器遗忘评测的归一化伪影

    Published
    Evaluated models
    ResNet-18, ResNet-50, ViT-S/16 and others4
    Abstract一次不改权重的 BN 重校准能翻转多数方法的表面遗忘,但不改变权重里的编码器泄露。

    BN illusion 是作者对近似机器遗忘评测中一种 BatchNorm 测量伪影的命名:不改权重、只用 retain 数据重算运行统计,就可以把表面遗忘准确率翻过来。

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  5. AttacksarXiv 2608.29458

    Reference-Grafting 在提取沙袋行为隐藏能力上追平微调

    提出参考嫁接,在推理阶段用激活干预诱导沙袋隐藏能力

    Published
    Attacker
    White-box
    Evaluated models
    Qwen2.5-1.5B, Qwen2.5-3B, Qwen2.5-14B and others15

    Abstract提出参考嫁接在推理阶段以低成本匹配微调诱导效果,揭示隐瞒表征重叠与阈值门控机制。

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  6. AttacksarXiv 2606.16100

    研究者提出 GhostPrint 攻击,可让弱模型伪装成高价 LLM 绕过指纹识别

    提出 GhostPrint,用低秩微调让弱模型骗过指纹审计

    Published
    Evaluated models
    Gemma-1.1-2B, Qwen2-1.5B, Phi-3-mini
    AbstractGhostPrint 以 PEFT 让弱模型骗过部分指纹。

    GhostPrint 讨论恶意推理提供方能否只用低秩更新,让更弱的模型在用户的 black-box 指纹审计里看起来像宣传中的强模型。

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  7. AttacksarXiv 2601.14310

    CORVUS:用 LoRA 伪装内部信号绕过单次幻觉检测器

    提出 CORVUS,用 LoRA 伪装内部遥测以绕过幻觉检测器

    Published
    Attacker
    White-box
    Evaluated models
    Llama-2-7B-Chat, Vicuna-7B (v1.5), Llama-3-8B-Instruct and others4

    Abstract作者称内部遥测在自适应模型侧对抗下易被操纵,CORVUS 通过轻量适配器微调降低了多种幻觉检测器的效果。

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