Welcome back to the Hacker101 CTF Walkthrough Series on Skillshetra! In this fourth episode, we continue our deep dive into the "Encrypted Pastebin" challenge — a classic vulnerable web app that tests your skills in cryptographic exploitation, bit flipping, and SQL injection techniques. Github Code: https://github.com/skillshetra/hacker101-ctf/blob/main/Encrypted_Pastebin.py Hacker101 Crypto Attacks Video: https://www.youtube.com/watch?v=jtcpREJLN1Y In this part, we go beyond the basics: ✅ Crafting malicious payloads ✅ Exploiting CBC mode encryption ✅ Extracting sensitive data (Flag 3 & Flag 4) ✅ Demonstrating real-world attack vectors 🎯 Whether you're a beginner learning web security or an aspiring ethical hacker preparing for bug bounty hunting or CTFs, this series is your step-by-step guide. Instagram : http://instagram.com/skillshetra Twitter: https://x.com/skillshetra Linkedin: https://www.linkedin.com/company/skillshetra GitHub: https://github.com/skillshetra 00:00 Intro 00:40 Exploiting First Flag 01:36 Exploiting Second Flag 05:07 Exploiting Third Flag 06:04 Exploiting Fourth Flag 🔔 Don’t forget to like, comment, and subscribe to stay updated on all CTF walkthroughs, cybersecurity tutorials, and hacking tools! #Hacker101 #CTFWalkthrough #EncryptedPastebin #Skillshetra #Cybersecurity #BugBounty #EthicalHacking #PaddingOracle #BitFlipping #WebSecurity #SQLInjection