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Offensive Security Research

Breaking AI,
hypervisors &
the things you trust.

Jihwan yoon(blackcon)의 공격 보안 연구 공간입니다. AI/LLM 인프라와 가상화 스택을 파고들며, 익스플로잇 개발·리버싱·취약점 분석을 기록합니다. 최신 연구는 아래에서 확인하세요.

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AI / LLM SecurityHypervisorsReversingExploit DevMCP SecurityJinja2 SSTIPwn2OwnHackerOneFuzzingRCE AI / LLM SecurityHypervisorsReversingExploit DevMCP SecurityJinja2 SSTIPwn2OwnHackerOneFuzzingRCE

Featured research

엄선한 취약점 연구와 공개 자료.

Research · AI-Security Claude Code의 trust prompt 우회 3종 — HackerOne 제보와 "intended behavior" 종결

Three independent ways to bypass Claude Code's trust prompt for silent shell execution from a cloned repo — and why Anthropic closed all three as i...

2026.05.12
Research · AI-Security LiteLLM에서 발견한 Jinja2 SSTI 취약점 — Pwn2Own 2026 출전 시도와 silent fix 분석

A single unauthenticated request reached uid=0 on the LiteLLM proxy via Jinja2 SSTI — a critical RCE silently patched days before a planned Pwn2Own...

2026.05.03
Research · MCP MCP 보안 취약점, Advanced-Tool-Poison-Attack

Advanced Tool Poisoning hides malicious instructions in MCP tool outputs rather than descriptions, defeating defenses that only inspect tool metadata.

2025.04.10
Research · MCP MCP 보안 취약점, Tool-Poison-Attack

How Tool Poisoning hides malicious instructions inside MCP tool descriptions to manipulate the LLM that consumes them.

2025.04.10
Research · Hyper-v HVFUZZ

A Hyper-V hypercall fuzzer built on hAFL2 for hunting bugs in the Microsoft virtualization stack.

2022.03.29

Latest

Claude Code의 trust prompt 우회 3종 — HackerOne 제보와 "intended behavior" 종결 Research · 2026.05.12 LiteLLM에서 발견한 Jinja2 SSTI 취약점 — Pwn2Own 2026 출전 시도와 silent fix 분석 Research · 2026.05.03 MCP 보안 취약점, Advanced-Tool-Poison-Attack Research · 2025.04.10 MCP 보안 취약점, Tool-Poison-Attack Research · 2025.04.10 CTF 문제로 알아보는 ESP32 리버싱 Hacking · 2025.03.31 ROP (Return Oriented Programming) 란? Hacking · 2024.12.21

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