ð§ AgentNull: AI System Security Threat Catalog + Proof-of-Concepts
ããŒã«ã«ð§ AgentNull: AI System Security Threat Catalog + Proof-of-Concepts ã«ã€ããŠ
AgentNullã¯ãAIã·ã¹ãã ã®ã»ãã¥ãªãã£ç ç©¶åãã®è åšã«ã¿ãã°ãšæŠå¿µå®èšŒéã§ãããšãŒãžã§ã³ããMCPãRAGããã¯ãã«ã·ã¹ãã ãžã®æ»æäŸãåçŸå¯èœãªåœ¢ã§æäŸããæè²ããã³èš±å¯ããããã¹ãã察象ãšããŠããŸãã
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- 02æŠå¿µå®èšŒã³ãŒããšå ¥åºåäŸ
- 03ãšãŒãžã§ã³ããMCPãRAGãç¶²çŸ
- 04ã»ãã¥ãªãã£ããŒã«åãJSONã«ã¿ãã°
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- 02èš±å¯ãããç°å¢ã§ã®æ»æåçŸ
- 03SOCãSIEMãžã®è åšããŒã¿åã蟌ã¿
- 04ã¬ããããŒã ããã³å éšã»ãã¥ãªãã£ç ç©¶
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ãã®ãµãŒããŒã®ããã±ãŒãžããªã¢ãŒããšã³ããã€ã³ãã¯ãŸã ååŸã§ããŠããŸããããããžã§ã¯ãã® README ã®æé ã«åŸã£ãŠãã ããã
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詳现
ð§ AgentNullïŒAI ã·ã¹ãã ã»ãã¥ãªãã£è åšã«ã¿ãã°ïŒæŠå¿µå®èšŒ
ãã®ãªããžããªã«ã¯ãèªåŸåãšãŒãžã§ã³ãïŒMCPãLangGraphãAutoGPTïŒãRAG ãã€ãã©ã€ã³ããã¯ãã«ããŒã¿ããŒã¹ãåã蟌ã¿ããŒã¹ã®æ€çŽ¢ã·ã¹ãã ãªã©ã® AI ã·ã¹ãã ãæšçãšããæ»æãã¯ãã«ããŸãšãããã¬ããããŒã åãã®ã«ã¿ãã°ãšãããããã®æŠå¿µå®èšŒïŒPoCïŒãåé²ãããŠããŸãã
ð æ§æ
catalog/AgentNull_Catalog.mdâ 人ãèªãã圢åŒã®è åšã«ã¿ãã°catalog/AgentNull_Catalog.jsonâ SOC/SIEM ãžã®åã蟌ã¿çšã«æ§é åãããããŒãžã§ã³pocs/â æ»æãã¯ãã«ããšã«ãã£ã¬ã¯ããªããããããããã«ç¬èªã® READMEãã³ãŒããå ¥åïŒåºåã®ãµã³ãã«ãå«ãŸããŠããŸã
â ïž å 責äºé
ãã®ãªããžããªã¯ãæè²ããã³ç€Ÿå ã»ãã¥ãªãã£ç ç©¶ã®ã¿ãç®çãšããŠããŸããããã«èšèŒãããŠããææ³ãã³ãŒããæ¬çªç°å¢ã«å°å ¥ããããèªèº«ãææããŠããªãããŸãã¯ãã¹ãã®æç€ºçãªèš±å¯ãåŸãŠããªãã·ã¹ãã ã«å¯ŸããŠäœ¿çšãããããªãã§ãã ããã
ð§ äœ¿çšæ¹æ³
å pocs/<attack_name>/ ãã©ã«ããŒã«ç§»åããREADME ã«åŸã£ãŠæ»æã·ããªãªãåçŸããŠãã ããã
ð€ ããŒã«ã« LLM ã§ã®ãã¹ãïŒæšå¥šïŒ
API å©çšæããããã« PoC ã®ãã¢ããã广çã«è¡ãã«ã¯ãOllama ãšããŒã«ã«ã¢ãã«ã䜿çšããŠãã ããã
Ollama ã®ã€ã³ã¹ããŒã«
# Linux/macOS
curl -fsSL https://ollama.ai/install.sh | sh
# Or download from https://ollama.ai/download
ããŒã«ã«ã¢ãã«ã®ã»ããã¢ãã
# Pull a lightweight model (recommended for testing)
ollama pull gemma3
# Or use a more capable model
ollama pull deepseek-r1
ollama pull qwen3
ããŒã«ã« LLM ã§ PoC ãå®è¡
# Advanced Tool Poisoning with real LLM
cd pocs/AdvancedToolPoisoning
python3 advanced_tool_poisoning_agent.py local
# Other PoCs work with simulation mode
cd pocs/ContextPackingAttacks
python3 context_packing_agent.py
Ollama ã®èšå®
- ããã©ã«ãã®ãšã³ããã€ã³ãïŒ
http://localhost:11434 - ã¢ãã«ã®éžæïŒå¿ èŠã«å¿ã㊠PoC ãã¡ã€ã«å ã®ã¢ãã«åãç·šéããŠãã ãã
- ããã©ãŒãã³ã¹ïŒLlama2ïŒçŽ 4GB ã® RAMïŒãMistralïŒçŽ 4GB ã® RAMïŒãCodeLlamaïŒçŽ 4GB ã® RAMïŒ
𧩠察象ãšãªãæ»æãã¯ãã«
ð€ MCP ãšãšãŒãžã§ã³ãã·ã¹ãã
- â ãã«ã¹ããŒãæ±æïŒFSPïŒ - 説æä»¥å€ã®ããŒã«ã¹ããŒãå ã®ãããããã£ãŒã«ããæªçšããŸã
- â é«åºŠãªããŒã«æ±ææ»æïŒATPAïŒ - ããŒã«ã®åºåãæäœããäºæ¬¡çãªã¢ã¯ã·ã§ã³ãåŒãèµ·ãããŸã
- â MCP ã©ã°ãã«æ»æ - æ¿èªåŸã«ç¡å®³ãªèª¬æãæªæã®ãã説æã«å·®ãæ¿ããŸã
- â ã¹ããŒãæ€èšŒã®ãã€ãã¹ - ã¯ã©ã€ã¢ã³ãéã®æ€èšŒå®è£ ã®éããæªçšããŸã
- ããŒã«æ··åæ»æ - ååã®é¡äŒŒæ§ãå©çšãã誀ã£ãããŒã«ã䜿ããããšãŒãžã§ã³ããèªå°ããŸã
- ãã¹ãããã颿°åŒã³åºãã®ä¹ã£åã - JSON ã«äŒŒãããŒã¿ã䜿ããå±éºãªé¢æ°åŒã³åºããåŒãèµ·ãããŸã
- ãµãããã³ããã®æœåº - ãšãŒãžã§ã³ãã«ã·ã¹ãã æç€ºãããŒã«ãæããããŸã
- ããã¯ãã¢èšç» - è€æ°ã¹ãããã®èšç»ã«å°æ¥ã®æå³ãä»èŸŒã¿ãæ å ±ãæµåºãããŸã
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- ååž°çãªæŒãã - ã³ã³ããã¹ãã®èŠçŽãéããŠç§å¯æ å ±ãæŒããããŸã
- ããŒã¯ã³ã«ããã¬ã¹ã©ã€ãã£ã³ã° - ããŒã¯ã³ã倧éã«éãã€ããå®å šæç€ºãã³ã³ããã¹ãããæŒãåºããŸã
- ãã¥ãŒãªã¹ãã£ãã¯ã®ããªããæ³šå ¥ - å®å šã§ãªããã¿ãŒã³ãç¹°ãè¿ãäžãããšãŒãžã§ã³ãã®ããžãã¯ãæ±æããŸã
- â ã³ã³ããã¹ããããã³ã°æ»æ - ã³ã³ããã¹ããŠã£ã³ããŠãããµããããå®å šæç€ºãåãæšãŠãŸã
ð RAG ãšãã¯ãã«ã·ã¹ãã
- â ã¯ãã¹åãèŸŒã¿æ±æ - åã蟌ã¿ãæäœããæªæã®ããã³ã³ãã³ãã®æ€çŽ¢é »åºŠãé«ããŸã
- â ã€ã³ããã¯ã¹ååæ»æ - ãã¯ãã«ã€ã³ããã¯ã¹ãåãããæªæã®ããã³ã³ãã³ããåªå ãããŸã (çè«äž)
- â ãŒãã·ã§ããã»ãã¯ãã«ããŒã³ã³ - æœåšçãªæŽ»æ§åãã¿ãŒã³ãåã蟌ã¿ãç§å¯è£ã«ä¿¡å·ãéããŸã (çè«äž)
- â åã蟌ã¿ãã£ãŒãããã¯ã«ãŒã - ç¶ç¶åŠç¿ã·ã¹ãã ãæ±æããŸã (çè«äž)
ð» ã³ãŒããšãã¡ã€ã«ã·ã¹ãã
- é ããã¡ã€ã«ã®æªçš - ãšãŒãžã§ã³ãã«
.envã.gitããŸãã¯å éšèšå®ãã¡ã€ã«ã倿ŽãããŸã
â¡ ãªãœãŒã¹ãšããã©ãŒãã³ã¹
- 颿°ã®å€§éåŒã³åºã - ååž°çãªããŒã«åŒã³åºããçæããå©çšäžéã API ã«éå°ãªè² è·ããããŸã
- ã»ãã³ãã£ã㯠DoS - ç¡éçæãçµããã®ãªãã¿ã¹ã¯ãåŒãèµ·ãããŸã
ð ãšãŒãžã§ã³ãåãã©ãŠã¶ãŒãšã¢ã·ã¹ã¿ã³ããžã®æ»æ
- EchoLeakïŒLLM Scope ViolationïŒ - ãŒãã¯ãªãã¯ã®éæ¥ããã³ããã€ã³ãžã§ã¯ã·ã§ã³ã«ãããM365 Copilot çµç±ã§ããŒã¿ãæµåºãããŸãïŒAim Labs / VaronisãCVE-2025-32711ã2025 幎 6 æïŒ
- Gemini Trifecta - Google Gemini ã®åãµãŒãã§ã¹ã察象ãšããã3 ãã¯ãã«ã®éæ¥ããã³ããã€ã³ãžã§ã¯ã·ã§ã³ã§ãïŒTenable Researchã2025 幎 10 æïŒ
- CometJacking - URL ããŒã¹ã®ããã³ããã€ã³ãžã§ã¯ã·ã§ã³ã«ããããšãŒãžã§ã³ãåãã©ãŠã¶ãŒã®æ¥ç¶ãµãŒãã¹ãä¹ã£åããŸãïŒLayerX / Brave Securityã2025 幎 8 æïŒ
- Tainted Memories - AI ãã©ãŠã¶ãŒã®èªèšŒãä»ãããCSRF ããŒã¹ã®æ°žç¶çãªã¡ã¢ãªãŒã€ã³ãžã§ã¯ã·ã§ã³ã§ãïŒLayerXã2025 幎 10 æïŒ
- DECEPTICON - ããŒã¯ãã¿ãŒã³ã¯äººéããããŠã§ããšãŒãžã§ã³ãã广çã«æäœããå€§èŠæš¡ãªã¢ãã«ã»ã©åœ±é¿ãåãããããªããŸãïŒarXiv:2512.22894ã2025 幎 12 æïŒ
- Parallel Poisoned Web - ãšãŒãžã§ã³ãåºæã®ãŠã§ãã¯ããŒãã³ã°ã«ãããAI ãšãŒãžã§ã³ããšäººéã«ç°ãªãã³ã³ãã³ãã衚瀺ããŸãïŒJFrogãarXiv:2509.00124ã2025 幎 9 æïŒ
ð€ ãã«ããšãŒãžã§ã³ãã·ã¹ãã ãžã®æ»æ
- Multi-Agent Control-Flow HijackingïŒMAS-CFHïŒ - åœã®ãšã©ãŒã¡ãã»ãŒãžã«ããããªãŒã±ã¹ãã¬ãŒã¿ãŒã®åèšç»ãä¹ã£åããŸãïŒCOLM 2025ãarXiv:2503.12188ïŒ
- Inter-Agent Trust Exploitation - æªæã®ãããã€ããŒãããã¢ãšãŒãžã§ã³ãçµç±ã§åãæž¡ãããšã§ãçŽæ¥çãªã€ã³ãžã§ã¯ã·ã§ã³é²åŸ¡ãåé¿ããŸãïŒarXiv:2507.06850ã2025 幎 7 æïŒ
- A2A Protocol Exploitation - Google A2A ã«ããã Agent Card ã®åœè£ ãããŒã¯ã³ã®æªçšãå§ä»»ã®é£éã§ãïŒCSAãSemgrepãarXiv:2505.12490ïŒ
- Prompt Infection - ãã«ããšãŒãžã§ã³ãã·ã¹ãã å šäœã«åºãããLLM ãã LLM ãžèªå·±è€è£œããã¯ãŒã ã§ãïŒarXiv:2410.07283ã2025 幎ã®ã«ã³ãã¡ã¬ã³ã¹ïŒ
ð§ ã¡ã¢ãªãŒãšæ°žç¶åãžã®æ»æ
- MemoryGraft - ãšãŒãžã§ã³ãã®ã¡ã¢ãªãŒã·ã¹ãã ã§ãæ±æãããçµéšãæ€çŽ¢ãããŸãïŒarXiv:2512.16962ã2025 幎 12 æïŒ
- Delayed Tool Invocation - ãŠãŒã¶ãŒã®èªç¶ãªå¿çããã£ããã«çºåãããæ¡ä»¶ä»ãã®é å»¶ã€ã³ãžã§ã¯ã·ã§ã³ã§ãïŒJohann Rehberger / Embrace The Redã2025 幎 2 æïŒ
- Zombie Agents - ã¡ã¢ãªãŒã®èªå·±è€è£œãéããŠãã»ãã·ã§ã³ããŸããã§èªå·±åŒ·åããæ°žç¶çãªã€ã³ãžã§ã¯ã·ã§ã³ã§ãïŒarXiv:2602.15654ã2026 幎 2 æïŒ
- MINJA - ã¯ãšãªã®ã¿ã®ããåãã«ããã¡ã¢ãªãŒã€ã³ãžã§ã¯ã·ã§ã³ã§ãæåç㯠98.2% ã§ãïŒarXiv:2503.03704ãNeurIPS 2025ïŒ
ð ãµãã©ã€ãã§ãŒã³ãšããŒã±ãããã¬ã€ã¹ãžã®æ»æ
- Slopsquatting - å¹»èŠã«ãã£ãŠçæãããããã±ãŒãžåãæªæã®ãããµãã©ã€ãã§ãŒã³ããã±ãŒãžãšããŠç»é²ããŸãïŒUSENIX Security 2025ïŒ
- Marketplace Skill PoisoningïŒOpenClaw / ClawHavocïŒ - 審æ»ãäžååãªã¹ãã«ã¬ãžã¹ããªãæªçšããèªèšŒæ å ±ã®çªåã RCE ãè¡ããŸãïŒSecurityScorecardãSangforã2026 幎 1 æïœ2 æïŒ
- MCP Supply Chain Backdoor - 䟵害ããã npm ããã±ãŒãžããæ»æè ã BCC ã«å«ããŠã¡ãŒã«ãå¯ãã«éä¿¡ããŸãïŒAuthzedã2025 幎ïŒ
- s1ngularity - ãµãã©ã€ãã§ãŒã³ãä»ã㊠AI CLI ãæŠåšåããèªèšŒæ å ±ãèªåçã«çªåããŸãïŒSnykãGitGuardianã2025 幎 8 æïŒ
- LangGrinch - LangChain ã®ã·ãªã¢ã©ã€ãŒãŒã·ã§ã³ã€ã³ãžã§ã¯ã·ã§ã³ã«ãããããã³ããã€ã³ãžã§ã¯ã·ã§ã³ãã RCE ãžãšã€ãªããæ»æãã§ãŒã³ãå¯èœã«ãªããŸãïŒCVE-2025-68664ãCyataã2025 幎 12 æïŒ
ð ãããã³ã«ãšãµã³ãããã¯ã¹ãžã®æ»æ
- MCP Sampling Exploitation - MCP ã®ãµã³ããªã³ã°æ©èœãä»ããŠãããŒã«åŒã³åºããé èœããäŒè©±ãä¹ã£åããŸãïŒUnit 42ã2025 幎 12 æïŒ
- Reasoning-Assisted Sandbox Escape - ãšãŒãžã§ã³ããèªåŸçã«æšè«ãããµã³ãããã¯ã¹ã®å¶åŸ¡ãçªç ŽããŸãïŒOna Securityã2025 幎ïŒ
- Semantic Privilege Escalation - ãã¹ãŠã®ã¢ã¯ã»ã¹å¶åŸ¡ãã§ãã¯ãééããªããããšãŒãžã§ã³ããèš±å¯ãããŠããªãæäœãè¡ããŸãïŒAcuvityã2025 幎åŸåïŒ
ð¯ ããã³ããã€ã³ãžã§ã¯ã·ã§ã³ã®é²å±
- Phantom - ãã£ããã®åºåãæåãä»ããæ§é çãªãã³ãã¬ãŒãã€ã³ãžã§ã¯ã·ã§ã³ã«ãããåœã®äŒè©±å±¥æŽãäœæããŸãïŒarXiv:2602.16958ã2026 幎 2 æïŒ
- STAC - äžé£ã®ç¡å®³ãªããŒã«åŒã³åºããå±éºãªã·ãŒã±ã³ã¹ã«çµã¿åããã鿬¡ããŒã«ãã§ãŒã³æ»æã§ãASR 㯠90% 以äžã§ãïŒarXiv:2509.25624ã2025 幎 9 æïŒ
- Policy Puppetry - èšå®ãã¡ã€ã«ãããªã·ãŒãã¡ã€ã«ã®æžåŒãå©çšããæ±çšçãªãžã§ã€ã«ãã¬ã€ã¯ã§ããã¹ãŠã®æå 端ã¢ãã«ãè匱ã§ãïŒHiddenLayerã2025 幎 4 æïŒ
- Promptware Kill Chain - ããã³ããã€ã³ãžã§ã¯ã·ã§ã³åãã«ãŠã§ã¢ã® 7 段éã®ãã«ãã§ãŒã³ã§ãå®äžçã®ã€ã³ã·ãã³ãã 21 ä»¶èšé²ããŠããŸãïŒarXiv:2601.09625ã2026 幎 1 æïŒ
- Chain-of-Thought Hijacking - æå®³ãªèŠæ±ãåºãåã«ç¡å®³ãªããºã«ã§æšè«ã¢ãã«ãèªå°ããASR 㯠99% ã§ãïŒarXiv:2510.26418ã2025 幎 10 æïŒ
ðïž ãã«ãã¢ãŒãã«ããã³ããžã§ã³ãšãŒãžã§ã³ããžã®æ»æ
- Visual Prompt Injection - UI ã«èŠèŠçã«åã蟌ãŸããæç€ºããã¹ã¯ãªãŒã³ã·ã§ãããä»ããŠã³ã³ãã¥ãŒã¿ãŒæäœãšãŒãžã§ã³ããä¹ã£åããŸã (VPI-Bench, arXiv:2506.02456, June 2025)
- CrossInject - ããžã§ã³ãšèšèªããŸããã¯ãã¹ã¢ãŒãã«ãªæµå¯Ÿçæåãåæã«çºçãããŸã (arXiv:2504.14348, ACM MM 2025)
- Flashboom - 泚ç®åºŠã®é«ã泚æããããã¹ããããã«ãã LLM ã®ã³ãŒãç£æ»æ åœè ãç²ç®ã«ããæåç㯠96.3% ã§ã (IEEE S&P 2025)
ð ïž ããŒã«éžæãšä¹ã£åã
- ToolHijacker - æªæã®ããããŒã«ããã¥ã¡ã³ããæ³šå ¥ããŠãšãŒãžã§ã³ãã«ããŒã«ãéžæãããŸããASR 㯠96.43% ã§ã (NDSS 2026, arXiv:2504.19793)
- UDora - èªååãããæ³šå ¥ãã€ã³ãã®æ€åºã«ããæšè«ãã¬ãŒã¹ãä¹ã£åããŸã (arXiv:2503.01908, February 2025)
ð» ã³ãŒãã£ã³ã°ãšãŒãžã§ã³ããžã®æ»æ
- ã«ãŒã«ãã¡ã€ã«ãžã®ã€ã³ãžã§ã¯ã·ã§ã³ïŒ"Your AI, My Shell"ïŒ - .cursorrules ãš copilot-instructions.md ãä»ããããã³ããã€ã³ãžã§ã¯ã·ã§ã³ã§ã (arXiv:2509.22040, September 2025)
- ZombAI - èªå·±å¢æ®ããã¯ãŒã ãã³ãŒãã£ã³ã°ãšãŒãžã§ã³ãããã«ãŠã§ã¢ïŒC2 ãšã³ããã€ã³ãã«å€ããŸã (CVE-2025-53773, Embrace The Red, 2025)
- AgentFlayer - é ãããããã¥ã¡ã³ãã®æç€ºãä»ãããã¯ãªãã¯äžèŠã®ãšã³ã¿ãŒãã©ã€ãºãšãŒãžã§ã³ãã®ãšã¯ã¹ããã€ãã§ã (Zenity, Black Hat USA 2025)
- ã¡ãŒã«ãšãŒãžã§ã³ãã®ä¹ã£åã - æªæã®ããã¡ãŒã«ã³ã³ãã³ããä»ããŠã¡ãŒã«ãšãŒãžã§ã³ãããªã¢ãŒãå¶åŸ¡ããŸãã1,404 ä»¶äž 1,404 ä»¶ãä¹ã£åãããŸãã (arXiv:2507.02699, July 2025)
- Gemini Calendar Worm - ã¯ãŒã ã®ããã«èªå·±å¢æ®ããã«ã¬ã³ããŒæåŸ ã®ããã³ããã€ã³ãžã§ã¯ã·ã§ã³ã§ã (SafeBreach, Black Hat USA 2025)
ð¬ RAG ãã€ãºãã³ã°ã®é²å±
- CorruptRAG - ããªã¬ãŒãå¿ èŠãšããªããåäžããã¥ã¡ã³ãã«ãã RAG ãã€ãºãã³ã°ã§ã (arXiv:2504.03957, April 2025)
ð é¢é£ç ç©¶ãšåºå ž
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- EchoLeakïŒVaronis ã«ãã EchoLeak ã®åæ â CVE-2025-32711
- MemoryGraftïŒAI ãšãŒãžã§ã³ãã«ãããæ°žç¶çãªã¡ã¢ãªãã€ãºãã³ã°
- MCP Sampling ExploitationïŒUnit 42 ã«ãã MCP æ»æãã¯ãã«
- Gemini TrifectaïŒTenable â Gemini ã®æ°ã㪠3 ä»¶ã®è匱æ§
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- UDoraïŒæšè«ãåçã«ä¹ã£åãçµ±åã¬ããããŒãã³ã°
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- s1ngularityïŒSnyk â Nx ããã±ãŒãžãä»ãã AI ã³ãŒãã£ã³ã°ãšãŒãžã§ã³ãã®æŠåšå
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- Gemini Calendar WormïŒSafeBreach â ã«ã¬ã³ããŒæåŸ ãä»ãã Gemini ã®ãããã³ã°ïŒBlack Hat USA 2025ïŒ
- MCP CVE EcosystemïŒThe Vulnerable MCP Project
- AI CVE TrendsïŒKen Huang â ãšãŒãžã§ã³ãå AI ã® CVE ãçžæ¬¡ãã 2025 幎
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