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Security audit

播客下载器

Security checks across malware telemetry and agentic risk

Overview

This is a disclosed podcast-downloader skill with some sloppy metadata and default temporary-file deletion, but no artifact-backed malicious behavior.

Install only if you are comfortable with an agent using shell tools to download audio, run ffmpeg, and write files to a podcast directory. Review the missing referenced script before relying on it, and set KEEP_M4A=true if you want to preserve original downloads.

SkillSpector

Vulnerability Patterns
  • Trigger AbuseOverly Broad Trigger, Shadow Command Trigger, Keyword Baiting Trigger
  • 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
Findings (3)

Description-Behavior Mismatch

Medium
Confidence
91% confidence
Finding
The manifest mixes a podcast-downloading capability with unrelated programming/code-generation usage guidance, which can cause the skill to be invoked in contexts where shell execution and file-writing are unnecessary or unexpected. This increases the chance of accidental execution of Bash-based actions under a misleading scope, weakening user consent and agent safety boundaries.

Vague Triggers

Medium
Confidence
89% confidence
Finding
The trigger keywords are broad, fragmented, and partially unrelated, making accidental or overly eager invocation more likely. In a skill with Read/Write/Edit/Bash capabilities, unintended activation can lead to unexpected downloads, file modifications, or command execution based on weak intent matching.

Missing User Warnings

Medium
Confidence
93% confidence
Finding
The workflow explicitly deletes the original m4a file after conversion, but the skill description does not prominently warn users that destructive behavior occurs by default. In a file-handling skill, undisclosed deletion increases risk of unintended data loss, especially if conversion fails silently or the user expected archival retention.

VirusTotal

64/64 vendors flagged this skill as clean.

View on VirusTotal

Static analysis

No suspicious patterns detected.