CTF Challenges

Introduction Hello there, Welcome back in this post, let’s see how to CTF stonks from picoCTF. If you have any doubt, comment down below 👇🏾 I wanted to do something unique, so I built a bot that uses AI and machine learning to trade stocks for me automatically. I’m pretty confident in its security, but

Introduction Question: There is a nice program that you can talk to by using this command in a shell: $ nc mercury.picoctf.net 49039, but it doesn’t speak English… Overview and Solving Hey there! So, there’s this neat program you can chat with using a specific command in the terminal: $ nc mercury.picoctf.net 49039. The catch is,

Introduction PicoCTF’s Information challenge is fascinating because it prompts us to ponder the numerous methods available to conceal information. It’s surprising how even the most basic file can encompass a multitude of secrets. Let me present the challenge: Overview and Solving The task involves an image named “cat.jpg” that can be downloaded for a closer

Introduction Question: Can you invoke help flags for a tool or binary? This program has extraordinarily helpful information… Files: warm Overview & Solving Approach: After downloading the file running the command file warm shows it as an executable file. When we try to run using ./warm It gives error. One of the reason might be that it

Introduction It seems like the Python script needs to be run similar to how you’d run a program in the Terminal. The goal is to use a specific password to execute this script and retrieve the flag. You’ll find the Python script, a file containing passwords, and another file with the flag attached. Overview and

Introduction This is a web question, it seems to be linked to the one before corCTFmsfroggenerator, hahacorCTF Flag was mentionedshould have rendered client side, but this time it was finally implemented All in all, this question tests your familiarity with various browser features and back-end services. The overall ability is relatively strong, I will give

Introduction WebNet0 is a forensics puzzle worth 350 points. The challenge’s description is We found this packet capture and key. Recover the flag. This puzzle presents a pcap file capture.pcap and a key picopico.key The key is a private key: % cat picopico.key —–BEGIN PRIVATE KEY—– MIIEvQIBADANBgkqhkiG9w0BAQEFAASCBKcwggSjAgEAAoIBAQCwKlFPNKjseJF5 puCJU5x38XcT1eQge5zOKNahAlYudvGVOEs61TnIgvcER4ko8i3OCwak2/atcGk3 oz9jFKep7XFEYNP31IwwD9j/YazlKy4DRLGObOyIZUU1f2WRA7Uhf0POQXsDT1oU X32jMKZkQSSDW4MRZd9trJYdO2TrcEPMsBiZQlFlvgnNwl3QlawozTHLAJKI36j1 cPwSMMeNca1e0Zi1s7R5IxfhpNXOBF0FmxiWvmeOHbaspyHg8UEmGBrkd4k4wXSK GQvrc8QjycP4ScEdquxJiYnDT8iEbAq70/7f/5NIN1DE9YoGJqKYjTS9nRPB4Yvj JN/SJnhvAgMBAAECggEACCnd3LrG/TZVH3sROqvqO1CwQPYPfUXdLVyNHab7EWon pc+XBOHurJENG2CpRYF7h+nQ5ADhfIYSCicBf/jsEB7VueJ20CxEVtHVL3h6R6Bp oHMle0Em8OcofuMpdL/kO+om3T8BkVSzCvCl5NMTUuAF7iRmfX7oDLALwM0IzzQv 2un+2UmT15rgAZfl3IL1PGvJhbhLxfeeyPE9MBy1SqBjQ9rNFn8sQv959J6BHz4b EpK//ErtNP2yh7oiVBBgKEQ1gEuOjQC/4oxoqCFfZaf9XNRCxB/zY1nUprvJyz09 NMQWNF2EmvmBVGfoTxmuut5N0GbVr2UyHxWMKm2sOQKBgQDpb2+AWgWlGtetuLKJ

Introduction This is one of the first challenges that the authors present to us on PicoCTF platform. Let’s see what the challenge is about: Overview and Solving The challenge is pretty straightforward—it’s all about Cryptography and specifically focuses on the ROT13 cipher. ROT13 is often one of the first ciphers people come across when learning