Damn Vulnerable DeFi V3 Backdoor Solution: Challenge 11 Walkthrough

🚀 Welcome to another exciting Smart Contract Hacking Tutorial by JohnnyTime! In this video, we dive deep into the 11th challenge of "Damn Vulnerable DeFi V3," tackling a complex backdoor solution that's both fascinating and fun.

But before we begin, if you're seriously committed to becoming a certified smart contract hacker, you need to check out the ultimate training program – the Smart Contract Hacking Course: https://johnnytime.xyz/smart-contract-hacker

Looking for all the Damn Vulnerable DeFi V3 challenges and solutions in one place? I've got you covered! Check out my dedicated YouTube playlist for a complete learning experience: https://www.youtube.com/watch?v=CfR1CcO8lEI&list=PLKXasCp8iWpiKdsSR18XdAyDeYlYzMG00&index=1

🔐 Gnosis Safe wallets are known for their multi-signature security, requiring multiple owners' approval to execute transactions. Discover why they're crucial for DeFi protocols and how to exploit a backdoor in this walkthrough.

🤯 Whether you're new to smart contract security or an experienced hacker, there's something here for you.

🏆 Learn how to earn 10 DVT tokens by deploying a Gnosis Safe wallet and find out how an attacker can execute a delegate call to control the wallet.

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Stay tuned for more exciting tutorials, and as always, happy hacking! 🎉

Timestamps 00:00 Intro 00:42 Backdoor Challenge Overview 03:18 WalletRegistry.sol Overview 10:30 backdoor.challenge.js Overview 12:00 Coming up with an Attack Plan 14:00 Gnosis Safe Factory Breakdown 16:15 GnosisSafe.sol Breakdown 17:00 Gnosis Safe setup function Breakdown 18:30 Gnosis Safe Modules 21:45 Attack Diagram 24:25 Implementing the Attacker Contract 43:00 Solving the Challenge ... https://www.youtube.com/watch?v=iZAPQUF1s4M