Nov 19, 2025 · 7 min read · pada kesempatan kali ini kita akan mengerjakan challenge cryptography yang ada di pico ctf, berikut beberapa list challenge yang akan kita kerjalan b00tl3gRSA3 AES-ABC miniRSA rsa-pop-quiz kita akan awali dari yang pertama yaitu b00tl3gRSA3 b00...
Join discussionAug 26, 2025 · 4 min read · Giới thiệu Trong writeup này, mình sẽ chia sẻ cách khai thác challenge Super Serial thuộc mảng Web Exploitation của picoCTF. Đây là một bài lab xoay quanh lỗi PHP Deserialization – một lỗ hổng khá phổ biến và nguy hiểm nếu lập trình viên không xử lý ...
Join discussion
Aug 1, 2025 · 2 min read · Link to the challenge Category: ForensicsAuthor: Darkraicg492Flag Format: picoCTF{FLAG} Challenge Description: Given a disk image file (disko-2.dd.gz) we are tasked to find the hidden flag within it. The right one is Linux! One wrong step and its al...
Join discussion
Jul 31, 2025 · 1 min read · Description: In this challenge, you will explore a web application and find an endpoint that exposes a file containing a hidden flag.The application is a simple blog website where you can read articles about various topics, including an article about...
Join discussion
Jul 30, 2025 · 1 min read · Link to the challenge Category: ForensicsAuthor: SHUAILIN PAN (LECONJUROR)Flag Format: picoCTF{FLAG} Challenge Description: RED, RED, RED, RED Hint: Check whatever Facebook is called now. This challenge contains a PNG image named red.png, with a hin...
DDharun commented
Jul 30, 2025 · 1 min read · Link to the challenge Category: ForensicsAuthor: Darkraicg492Flag Format: picoCTF{FLAG} Challenge Description: Given a disk image file (disko-3.dd.gz) we are tasked to find the hidden flag within it. This time, its not as plain as you think it is! H...
DDharun commented
Jul 29, 2025 · 1 min read · Link to the challenge Category: ForensicsAuthor: Darkraicg492Flag Format: picoCTF{FLAG} Challenge Description: Given a disk image file (disko-1.dd.gz) we are tasked to find the hidden flag within it. Hint: The hint provided suggests the use of strin...
Join discussion
Jul 1, 2025 · 6 min read · 3 months, and 110 CTFs later, here's a recap of what I've learned so far from solving cybersecurity challenges. Over the past few months I have solved 75 CTFs from pico, 12 from TryHackme , and 21 from OvertheWire. And I could talk about so many thin...
Join discussion
Jun 23, 2025 · 2 min read · Files Given: N = <large 1024‑bit modulus> e = 3 ciphertext c = <another large integer> Goal: Recover the plaintext flag. 🕵️♂️ What’s the vulnerability? The exponent e = 3 is small. Normally, this term allows c^(1/3) to be computed easil...
Join discussion
Jun 21, 2025 · 2 min read · 🚩 Challenge Overview Challenge Name: RED Category: Forensics (Steganography) Difficulty: Easy (~100 points) File Provided: red.png (a red square image) At first glance, it’s just a plain red PNG—but that’s usually a hint to look deeper. 💡 S...
Join discussion