miscProhard

ProAgent

0ops_ctf

Task: AI agent service with MCP support and user-configurable MCP server URL. Solution: MCP Tool Poisoning via malicious tool descriptions that instruct the agent to call built-in read_file("/flag") and pass the contents back through a two-step workflow.

ai_agent mcp model_context_protocol tool_poisoning indirect_prompt_injection ssh_tunnel reverse_tunnel llm_exploitation agent_abuse read_file

MCP Tool Poisoning via malicious tool descriptionsIndirect Prompt Injection through tool responsesSSH reverse tunnel for exposing local MCP serverTwo-step workflow exploitation

$ ls tags/ techniques/

ai_agent mcp model_context_protocol tool_poisoning indirect_prompt_injection ssh_tunnel reverse_tunnel llm_exploitation agent_abuse read_file

MCP Tool Poisoning via malicious tool descriptionsIndirect Prompt Injection through tool responsesSSH reverse tunnel for exposing local MCP serverTwo-step workflow exploitation

Analysis

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$ python3 exploit.py --target 192.168.1.1 --port 8080
[*] Connecting to target...
[+] Shell obtained!

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