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Security audit

Lucky Day

Security checks for vulnerabilities and agentic risk

Overview

This skill is a local Chinese lucky-day picker that runs a simple bundled Python script without file, network, credential, or persistence access.

Installers should know the skill is Chinese-language and produces traditional almanac-style suggestions for reference only. It does not appear to request sensitive access or make changes to the system.

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
  • 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
  • Excessive AgencyUnrestricted Tool Access, Autonomous Decision Making, Scope Creep
Findings (2)

Natural-Language Policy Violations

Medium
Confidence
94% confidence
Finding
The instruction text is written as a direct role definition in Chinese and does not provide any opt-in or alternative language behavior. Under the policy, forcing a specific language or locale without user choice is a natural-language policy violation unless clearly justified as region-specific.

Natural-Language Policy Violations

Medium
Confidence
95% confidence
Finding
The module docstring presents the skill entirely in Chinese, and the rest of the user-facing interface is also Chinese-only. Under the policy, forcing a specific language without opt-in is a natural-language policy violation unless the locale constraint is explicitly documented and justified.

Static analysis

No suspicious patterns detected.