Web3 And Blockchain Security:Pen Testing & Bug Bounty Part1

Unlocking Web3 Security Secrets: Ethical Hacking, Bug Bounties, and Smart Contract Defense in Blockchain

What you'll learn

Evolution of the Web: Brief history of Web 1.0, Web 2.0, Web3.0

Blockchain Fundamentals and Smart Contracts

Common Web3 Protocols

Brief introduction to Bugs in Web 3.0

Smart Contract Vulnerabilities

Web3 Network Attacks

Web3 Application Security

Network and Protocol Vulnerabilities

Financial and Trading Vulnerabilities

Data Security and Privacy Vulnerabilities

Cross-Chain and Interoperability Vulnerabilities

Miscellaneous Vulnerabilities

Web3 Penetration Testing Methodology

Hands-on Labs to BugBounty on Web3

Web3 Architecture

Decentralized Finance

Decentralized Autonomous Organizations

Non-Fungible Tokens

Web3 js Library

Ethers js Library

Distributed Ledger Technology

Block Structure and Hashing

Consensus Mechanisms (Proof-of-Work, Proof-of-Stake, Byzantine Fault Tolerance

Public vs Private Blockchains

Solidity Programming Language

Smart Contract Lifecycle

Gas Fees and Transaction

Advantages and Disadvantages of Smart Contracts

Blockchain Network Attacks

Consensus Mechanism Vulnerabilities

Sybil Attacks and Spam Transactions

Oracle Manipulation

Denial-of-Service (DoS) Attacks on Blockchains

Smart contract reentrancy vulnerability exploitation using Remix and Truffle

Integer overflow/underflow in smart contracts

Smart contract self-destruct vulnerabilities (exploitation with Solidity flaw)

Cross-site scripting (XSS) in dApp interfaces (exploitation with Burp Suite or OWASP ZAP)

SQL injection in decentralized databases (exploitation with SQLmap)

Front-end injection attacks in dApps (exploitation with JavaScript injecteb3 wallets (exploitation using Metamask or WalletConnect)

Denial-of-Service (DoS) attacks on blockchain networks

Exploiting gas price vulnerabilities in Ethereum transactions

Time-based attacks on smart contracts

Replay attacks on cross-chain transactions

Exploiting gas limit vulnerabilities

Blockchain reorganization attacks

Supply chain attacks on blockchain infrastructure

Requirements

8GB Ram PC

Basics Of Cyber Security

Basics Of Blockchain

Description

Welcome to the cutting-edge world of Web3 penetration testing! In this comprehensive Udemy course, you'll delve into the intricate architecture of Web3, exploring its evolution from Web 1.0 to the decentralized marvel of Web3. Uncover the core principles underpinning Web3 architecture, including frontend, backend, APIs, blocks, and peer-to-peer networks.Embark on a journey through the diverse Web3 ecosystem, from Decentralized Finance (DeFi) to Decentralized Autonomous Organizations (DAOs) and Non-Fungible Tokens (NFTs). Gain practical insights into common Web3 protocols like Web3.js and Ethers.js, empowering you to navigate the complexities of blockchain technology with ease.Dive deep into the fundamentals of blockchain, understanding Distributed Ledger Technology (DLT), block structure, hashing, and consensus mechanisms. Master the Solidity programming language for smart contracts, exploring their lifecycle, gas fees, and transaction costs.Equip yourself with the skills to identify and exploit vulnerabilities in Web3 networks and smart contracts. Learn to thwart blockchain network attacks, mitigate smart contract vulnerabilities, and fortify Web3 application security against cross-site scripting (XSS), SQL injection, authentication bypass, and front-end injection attacks.Explore advanced topics in network and protocol vulnerabilities, including Denial-of-Service (DoS) attacks, gas price vulnerabilities, time-based attacks, replay attacks, consensus algorithm weaknesses, and supply chain attacks. Harness specialized tools and techniques to detect and mitigate threats, ensuring the resilience of blockchain infrastructure in the face of evolving cyber threats.Whether you're a seasoned cybersecurity professional or a budding blockchain enthusiast, this course provides the essential knowledge and hands-on experience to excel in Web3 penetration testing. Enroll now and embark on your journey to becoming a master of Web3 security!

Overview

Section 1: Introduction

Lecture 1 Introduction to WEB3

Lecture 2 Web3 Architecture

Lecture 3 Decentralized Finance

Lecture 4 Decentralized Autonomous Organizations

Lecture 5 Non-Fungible Tokens

Lecture 6 Web3.js Library

Lecture 7 Ethers.js Library

Lecture 8 Distributed Ledger Technology

Lecture 9 Block Structure and Hashing

Lecture 10 Consensus Mechanisms (Proof-of-Work, Proof-of-Stake, Byzantine Fault Tolerance

Lecture 11 Public vs Private Blockchains

Lecture 12 Solidity Programming Language

Lecture 13 Smart Contract Lifecycle

Lecture 14 Gas Fees and Transaction

Lecture 15 Advantages and Disadvantages of Smart Contracts

Section 2: Web3 Network Attacks

Lecture 16 Blockchain Network Attacks

Lecture 17 Consensus Mechanism Vulnerabilities

Lecture 18 Sybil Attacks and Spam Transactions

Lecture 19 Oracle Manipulation

Lecture 20 Denial-of-Service (DoS) Attacks on Blockchains

Section 3: Smart Contract vulnerabilities

Lecture 21 Smart contract reentrancy vulnerability exploitation using Remix and Truffle

Lecture 22 Integer overflow/underflow in smart contracts

Lecture 23 Smart contract self-destruct vulnerabilities (exploitation with Solidity flaw)

Section 4: Web3 Application Security

Lecture 24 Cross-site scripting (XSS) in dApp interfaces

Lecture 25 SQL injection in decentralized databases (exploitation with SQLmap)

Lecture 26 Authentication bypass in Web3 wallets (exploitation using Metamask)

Lecture 27 Front-end injection attacks in dApps (exploitation with JavaScript injection )

Section 5: Network and Protocol Vulnerabilities

Lecture 28 Denial-of-Service (DoS) attacks on blockchain networks

Lecture 29 Exploiting gas price vulnerabilities in Ethereum transactions

Lecture 30 Time-based attacks on smart contracts

Lecture 31 Replay attacks on cross-chain transactions

Lecture 32 Exploiting gas limit vulnerabilities

Lecture 33 Blockchain reorganization attacks

Lecture 34 Supply chain attacks on blockchain infrastructure

Software Developers and Programmers,Blockchain Enthusiasts,Cybersecurity Professionals,Cryptocurrency Investors and Traders,IT Professionals,Entrepreneurs and Business Owners,Students and Researchers,Compliance Officers and Regulators,Blockchain Project Managers