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Security audit

Net Scan Education

Security checks for vulnerabilities and agentic risk

Overview

This skill is a small educational network-scanning guide that explicitly avoids real scans or external network access.

Reasonable to install for defensive learning content. Before use in a broader agent setup, consider narrowing activation phrases and clarifying whether prompt logs or learning progress are stored, where they are stored, and how users can delete them.

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
  • 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
  • Supply ChainUnpinned Dependencies, External Script Fetching, Obfuscated Code
Findings (1)

Vague Triggers

Low
Confidence
89% confidence
Finding
The markdown file describes invocation as 'via a chat prompt or command like' followed by natural-language examples such as 'provide a learning plan' and 'generate a lab setup checklist.' These phrases are common instructional requests and the file does not define exact trigger phrases, scope boundaries, or negative examples, which could lead to unintended invocation overlap with ordinary conversation.