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Security audit

Code Refactoring

Security checks for vulnerabilities and agentic risk

Overview

This skill is a straightforward refactoring guide and does not contain executable code, hidden persistence, credential access, or unrelated behavior.

Installers should understand that this skill may guide an agent to edit project source code as part of refactoring. Use it in repositories with tests or reviewable diffs, but no hidden or disproportionate security behavior was found in the artifact.

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
  • 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)

Self-Modification

High
Category
Rogue Agent
Confidence
85% confidence
Finding

Skill modifies its own code, configuration, or behavior at runtime. Self-modification enables an agent to escalate privileges, disable safety constraints, or install persistent backdoors.

Content

Scanner excerpt · SKILL.md (reported line 118)May include surrounding context.

typescript
// Identify a code block that does one thing
// Move it to a new method with a descriptive name
// Replace original code with method call

function printReport(data: ReportData) {
  // Extract this block...

Static analysis

No suspicious patterns detected.