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Security audit

Netease Music

Security checks for vulnerabilities and agentic risk

Overview

This skill is a small NetEase Cloud Music public-page analysis guide with no executable code or persistence behavior.

Install only if you want help summarizing public NetEase Cloud Music pages. Avoid using it for downloads, bulk scraping, bypassing platform controls, or account-changing actions; if login state is used, keep it limited to user-directed personal page organization.

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
  • Rogue AgentSelf-Modification, Session Persistence
  • Trigger AbuseOverly Broad Trigger, Shadow Command Trigger, Keyword Baiting Trigger
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
  • Data ExfiltrationExternal Transmission, Env Variable Harvesting, File System Enumeration
  • Privilege EscalationExcessive Permissions, Sudo/Root Execution, Credential Access
Findings (2)

Vague Triggers

Medium
Category
Not specified by scanner
Confidence
91% confidence
Finding

The description says the skill should be invoked whenever the user needs to access or automate cloud-music-related content, which is a broad trigger that can cause the agent to activate in contexts beyond the narrowly intended public-page analysis use case. Overbroad invocation increases the chance the skill is selected for requests involving login state, automation, or scraping-adjacent activity, expanding exposure to unsafe behavior even though the rest of the skill includes some limiting language.

Content

No source excerpt is available for this finding.

Session Persistence

Medium
Category
Rogue Agent
Confidence
75% confidence
Finding

Skill establishes unauthorized persistence across sessions via cron jobs, startup scripts, or state files. Session persistence allows an attacker to maintain access beyond the current interaction.

Content

Scanner excerpt · SKILL.md (reported line 19)May include surrounding context.

md
关键入口

- 主页：https://music.163.com/
- 排行榜：https://music.163.com/#/discover/toplist
- 搜索入口：https://music.163.com/#/search

常见任务

Static analysis

No suspicious patterns detected.