web3 threat intel scanner

    1

    Generates cited Web3 threat intelligence briefs and detection heuristics for DeFi exploits and phishing patterns.

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    web3 threat intel scanner

    Example session with this skill installed

    Generate a threat intelligence brief for the Ethereum ecosystem focusing on the last 48 hours. Specifically look for any reports of permit-signature phishing.

    • Read your context and instructions
    • Compiled the web3 threat intel
    • Generated the document

    I have analyzed current security feeds, researcher posts, and incident reports from the last 48 hours regarding the Ethereum ecosystem.

    Threat Intel Brief: Ethereum Ecosystem (Oct 24-26, 2023)

    • Confirmed Incidents:

    Protocol: Radiant Capital (reported phishing attempt) |

    Source: PeckShieldAlert |

    Impact: ~$50k (prevented larger drain) |

    Chain: Ethereum Mainnet |

    Vector: EIP-712 Permit Signature Phishing.

    • Top Attack Patterns Verified:
      1.

    EIP-2612 Permit Abuse: Attackers deploy deceptive UIs to solicit PERMIT signatures, allowing spenders to bypass the standard approve() transaction. Source: ScamSniffer October Report.

    • Exposure Matrix:

      EcosystemSurface AreaRisk Level
      EthereumERC-20 Tokens w/ PermitHigh
      ArbitrumL2 Bridged AssetsMedium

    High-Signal Detection Rule: Flag any Permit signature request where the spender address has no prior interaction history with the owner or is not a known/verified DEX router contract.

    Confidence Rating & Caveats: High. Multiple independent security firms have confirmed the specific phishing signature format used in these recent drains.

    Next steps

    1. Audit frontend components for any unverified external script injections that could modify permit requests.
    2. Implement the spender-registry check in the protocol's transaction monitoring dashboard.
    3. Review the list of malicious spender addresses identified in the ScamSniffer report.

    web3-threat-intel-scanner.pdf

    PDF · document

    Generated

    Example file from a real run - the skill writes it into your workspace.

    $9.99/mo

    Subscription · always the latest version

    • Secure checkout via Stripe
    • Cancel anytime
    • Delivered live via MCP (optional)

    What you get

    Identify emerging liquidity drain patterns and phishing vectors in real-time.Generate structured security briefs for DeFi protocol operations teams.Analyze transaction calldata for hidden Multicall approval exploits.Cross-reference exploit reports to determine verified financial impact.

    About this skill

    The problem

    Web3 security analysts and SOC teams struggle to track rapidly evolving exploits like EIP-2612 permit abuse or Multicall-hidden drains in real-time. Manual research across fragmented feeds is slow, and generic LLMs often hallucinate specific transaction hashes or financial impact figures during active incidents.

    What it does

    • Scans high-signal security sources and official APIs for current Web3 exploit data.
    • Structures incident metadata including chain, vector, and verified financial impact ranges.
    • Extracts technical fingerprints for mechanisms like Multicall3-wrapped unauthorized approvals.
    • Generates high-signal defensive detection heuristics and pseudocode for monitoring tools.
    • Cross-references conflicting reports to provide accurate risk levels and confidence ratings.

    Frameworks & tools

    Web3 protocols (Ethereum, L2s), EIP-2612 (Permit), Multicall3, ERC-20 standards, and security research APIs.

    Why this beats prompting it yourself

    This skill enforces a strict anti-fabrication protocol that prevents the agent from hallucinating protocol names or addresses when data is missing. It is specifically tuned to handle adversarial text in scraped security bulletins and correctly identifies the technical nuances of transaction calldata that general-purpose prompts miss.

    Use cases

    • Generating a daily threat intelligence brief for a DeFi protocol security team.
    • Analyzing a suspicious transaction signature for hidden approval logic.
    • Researching the current landscape of phishing patterns across a specific ecosystem.
    • Validating emerging exploit claims before updating protocol guardrails.

    Known limitations

    Requires an active web-search or fetch tool to provide real-time data. It performs one-time research passes and does not provide continuous, unattended monitoring of feeds.

    How to install

    Works the same in every agent - Claude, Cursor, Codex, Copilot and 20+ more.

    ~30 seconds
    1. 1

      Download the ZIP

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      Unzip into your skills folder

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      Ask your agent to use it

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