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Security audit

Rust Patterns

Security checks for vulnerabilities and agentic risk

Overview

This is a Rust programming reference skill, and the flagged web-server snippet is an expected example rather than a persistence mechanism.

Install this as a programming reference skill. Review generated Rust code before running it, especially examples that start network listeners, connect to databases, or install crates, but the skill artifact itself does not show hidden execution or persistent access.

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)

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 126)May include surrounding context.

let app = Router::new() .route("/users", post(create_user)) .with_state(state); let listener = tokio::net::TcpListener::bind("0.0.0.0:3000").await.unwrap(); axum::serve(listener, app).await.unwrap(); }

text

Static analysis

No suspicious patterns detected.