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Security audit

Hackathon

Security checks for vulnerabilities and agentic risk

Overview

This skill is a disclosed testnet blockchain security API wrapper, with expected external lookups and payment flow, but users should understand what wallet and transaction data they send.

Before installing, confirm you are comfortable sending wallet addresses, token addresses, and transaction calldata to the Aegis402 service. Use a constrained testnet wallet, set payment limits, and prefer pinned dependency versions or a reviewed lockfile for any real integration.

A.I.G

Vulnerability Patterns
  • Insecure DependenciesIntroduces malicious components through unsafe dependency sources
  • 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
Findings (1)

T08 · Insecure Dependencies

Warning
Location
SKILL.md:26
Finding

Unpinned Third-Party Packages Create a Supply-Chain Risk

Content
View full analysis
Remediation
View remediation

SkillSpector

Vulnerability Patterns
  • Data ExfiltrationExternal Transmission, Env Variable Harvesting, File System Enumeration
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
  • Privilege EscalationExcessive Permissions, Sudo/Root Execution, Credential Access
  • Supply ChainUnpinned Dependencies, External Script Fetching, Obfuscated Code
  • Excessive AgencyUnrestricted Tool Access, Autonomous Decision Making, Scope Creep
Findings (2)

External Transmission

Medium
Category
Data Exfiltration
Confidence
84% confidence
Finding

This example directs the agent to make an external request to a third-party service, which is a real data egress path. While the shown example uses a public token address rather than secret data, in practice the skill normalizes sending addresses and security-relevant queries off-platform without an explicit disclosure boundary, so it is a genuine but lower-severity transmission concern.

Content

Scanner excerpt · SKILL.md (reported line 67)May include surrounding context.

Scan any token for honeypots, scams, and risks.

bash
curl "https://hackathon.aegis402.xyz/v1/check-token/0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48?chain_id=1"

Response:

Missing User Warnings

Medium
Category
Not specified by scanner
Confidence
94% confidence
Finding

The skill instructs agents to submit transaction details (from, to, value, data) to a third-party API for simulation, but it does not clearly warn that this discloses potentially sensitive wallet activity and intent to an external service. In an agent context, this can leak user financial behavior, counterparty details, and contract interaction data, especially if the agent forwards real pre-signing payloads automatically.

Content

No source excerpt is available for this finding.

Static analysis

No suspicious patterns detected.