Blockchain Pentesting Checklist

Network Assessment

• Identify the blockchain platform.
• Understand the consensus mechanism.
• Analyze the network topology.
• Verify the security model.
• Enumerate network ports and services.

Smart Contract Assessment

• Review smart contract code for vulnerabilities.
  • Tools: Mythril, Securify, Slither
  • Commands: Mythril command, Securify command, Slither command
• Verify contract access control mechanisms.
• Analyze contract state changes and transactions.
  • Tools: Truffle, Ganache
• Assess contract upgradeability.

Node Security

• Secure access to blockchain nodes.
• Review node configuration files.
• Monitor and protect private keys.
  • Tools: Hardware Security Modules (HSMs)
• Implement firewall rules for node security.

Wallet and Key Management

• Secure wallet storage and access.
• Implement secure key management practices.
• Protect private keys from unauthorized access.
  • Software: Metamask, MyEtherWallet

API and RPC Security

• Secure APIs and RPC endpoints.
• Implement rate limiting and access controls.
  • Tools: Nginx, Nginx Rate Limiting
  • Commands: Nginx configuration commands
• Audit API calls for potential vulnerabilities.
  • Tools: Burp Suite, Postman

Consensus Mechanism

• Understand and analyze the consensus mechanism.
• Evaluate the security of the consensus algorithm.
• Assess node behavior in consensus.
  • Tools: Geth, Parity

Privacy and Data Protection

• Verify data privacy mechanisms.
• Audit data encryption and storage.
  • Software: IPFS, Swarm
• Assess user data protection practices.

DApp Security

• Review decentralized applications (DApps) for security.
• Verify DApp smart contract interactions.
• Test DApp authorization and access controls.
  • Tools: Truffle, Ganache

Vulnerability Scanning

• Conduct vulnerability scans.
• Address identified vulnerabilities promptly.
• Regularly update and patch components.
  • Tools: Nessus, OpenVAS