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Security audit

Crypto Wallet

Security checks for vulnerabilities and agentic risk

Overview

This is a simple disclosed crypto-wallet helper skill with transaction confirmation rules and no bundled executable code.

Before installing, treat this as a financial-action skill: only use it with wallets and RPC/API endpoints you trust, independently verify recipient addresses and amounts, and never provide seed phrases or private keys. The inspected artifact itself does not include code that sends funds automatically.

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
  • YARA SignaturesMalware Match, Webshell Match, Cryptominer Match
  • 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)

YARA rule 'agent_skill_mcp_tool_poisoning_metadata': MCP/tool metadata poisoning indicators in tool schemas or skill manifests [agent_skills]

High
Category
YARA Match
Confidence
80% confidence
Finding

YARA rule matched a hack tool or exploit indicator (offensive tools, reconnaissance, privilege escalation, or exploit frameworks).

Content

Scanner excerpt · SKILL.md (reported line 3)May include surrounding context.

md
---
name: crypto-wallet
description: Multi-chain cryptocurrency wallet management. Check balances, send tokens, view transaction history across Ethereum, Solana, Bitcoin and more.
metadata: {"clawdbot":{"emoji":"💰","requires":{"bins":["curl","jq"]}}}
---

# Crypto Wallet 💰

Manage cryptocurrency wallets across multiple blockchains.

## Supported Chains

- Ethereum (ETH, ERC-20)
- Solana (SOL, SPL tokens)
- Bitcoin (BTC)
- Polygon (MATIC)
- Arbitrum
- Base

## Features

- Check wallet balances
- View transaction history
- Send tokens (with confirmation)
- Token price lookup
- Portfolio overview

## Usage Example

Static analysis

No suspicious patterns detected.