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Security audit

Travel Rule Check（旅行规则校验）

Security checks for vulnerabilities and agentic risk

Overview

The skill provides a simple local information checker, with no evidence of hidden access, data transmission, or account changes.

Use the bundled scripts/travel_rule_check.py for basic field checks, not identity verification or regulatory approval. Avoid real KYC details in command-line arguments, which may appear in shell history or process listings. Before using the optional npx installer, verify the repository URL and third-party installer; that external code is outside this review.

A.I.G

Vulnerability Patterns
  • Skill Instruction HijackingAlters the agent's session goals or safety constraints when the skill loads
  • Agent Memory PoisoningWrites attacker-controlled rules into memory that affect later sessions
  • Remote Payload Retrieval and ExecutionFetches external code whose behavior can change after review
  • Embedded Malicious CodeShips malicious scripts inside the skill and executes them locally
  • Unauthorized Access and Privilege EscalationObtains permissions beyond the task's legitimate needs

SkillSpector

Vulnerability Patterns
  • MCP Tool PoisoningHidden Instructions, Unicode Deception, Parameter Description Injection
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
  • Data ExfiltrationExternal Transmission, Env Variable Harvesting, File System Enumeration
  • Privilege EscalationExcessive Permissions, Sudo/Root Execution, Credential Access
  • Supply ChainUnpinned Dependencies, External Script Fetching, Obfuscated Code
Findings (1)

Description-Behavior Mismatch

High
Category
MCP Tool Poisoning
Confidence
99% confidence
Finding

The only supplied command is an installation instruction, not an implementation of the described compliance tool. Its intended operation involves external package execution and potentially network and filesystem access, contradicting the declared permissions and zero-dependency claim. The repository URL is a placeholder, so the snippet does not establish a completed installation or reveal what the installed skill would do.

Content

No source excerpt is available for this finding.