Prologue All the following example will be shown in C Programming Language or pseudo code. This is the note when I was taking the course in NCKU, 2024. Blablabla… Finally, I would like to declare that almost every photo I use comes from the handouts of my course at NCKU, provided by the professor. If any photo comes from another source, I will give proper credit in the caption or description of the image. Complexity Space Complexity The amount of memory that it needs to run to completion. S(P)= ...

前言 [2024/08/23 & 2024/08/24] 這兩天是我第一次參加 HITCON，感覺是個重要的里程碑，紀錄一下。總之這兩天我收穫非常非常多，也深深感受到那種和一群和你有相同興趣、相同目標的人待在一起的充實感。 也由於大家都是駭客，所以有很多我們自己的專屬語言。每當聽到的時候都可以會心一笑，這種感覺真的很棒，也滿讓人感動的。真希望之後可以每年都來參加。（對於南北的資源差距有很深的感受，火車和住宿好貴 QQ） 今日進度 HITCON CMT 2024 今日狀態 起床時間：08：00 知識量：⭐⭐⭐⭐⭐ 疲勞程度：⭐⭐⭐⭐⭐ 精神狀態：⭐⭐⭐⭐⭐

前言 八月最近有點小忙，還順便小小去玩了一下鳳中的 CTF 甄選還有中國大陸的一個比賽（我朋友邀的）。但因為沒有很認真地打+算是小比賽玩玩，就不寫 Writeup 了。 今日進度 IntroToBurp endianness 今日狀態 起床時間：08：00 知識量：⭐⭐ 疲勞程度：⭐⭐⭐⭐⭐ 精神狀態：⭐⭐⭐⭐

前言 今天是在做 HTB 的 Baby Time Capsule 那題的時候發現要用到 CRT，所以趕緊去看一下到底是甚麼東西。感覺還是有很多數學定理沒有好好理解呀><。 然後這些是我在去綠島前+回來之後做完的，但還是把它算在同一天囉。 今日進度 Intro to Chinese Remainder Theorem [HTB] Baby Time Capsule Writeup 💊 今日狀態 起床時間：07：00 知識量：⭐⭐⭐⭐ 疲勞程度：⭐⭐⭐ 精神狀態：⭐⭐⭐⭐

0x00 Challenge Info Qubit Enterprises is a new company touting it’s propriety method of qubit stabilization. They expect to be able to build a quantum computer that can factor a RSA-1024 number in the next 10 years. As a promotion they are giving out “time capsules” which contain a message for the future encrypted by 1024 bit RSA. They might be great engineers, but they certainly aren’t cryptographers, can you find a way to read the message without having to wait for their futuristic machine? ...

Prologue Chinese Remainder Theorem (CRT) is also known as Sun zi’s Theorem. It first appear on the Chinese book called Sūnzǐ Suànjīng, literally The Mathematical Classic of Master Sun/Master Sun’s Mathematical Manual. Here’s the math question in that book. 今有物不知其數，三三數之餘二，五五數之餘三，七七數之餘二，問物幾何？ There is something, but we do not know its exact quantity. When divided by 3, the remainder is 2; when divided by 5, the remainder is 3; when divided by 7, the remainder is 2. What is the quantity? To solve ...

前言 今天把之前一直說要看的 SQLMap 的文檔是大致看過了一遍，也把它整理成了我自己比較好查詢的筆記模式！同時也去 THM 練了一下 SQLMap 的 Lab。然後今天跟朋友一起出門去咖啡廳，真開心！ 今日進度 SQLMap Spellbook: Basic Usage of SQLMap 今日狀態 起床時間：10：00 知識量：⭐⭐⭐⭐ 疲勞程度：⭐⭐⭐ 精神狀態：⭐⭐⭐⭐

Prologue This article is mainly intended to serve as my own cheat sheet and notes, but if it can also help you, that would be great. The content is summarized from the original document, so you can regard this article as an TL;DR version of the document per se. I will consistently update the content if I find something missing or something worth to be noted. You can also contact me to update the content. SQL Injection Types There’re 5 types of SQLi vulnerability or 5 ways that SQLMap can test a ...

前言 這陣子都在學 Pwn，剛好遇到要繞過 Canary 的題目不會寫，所以就想說先暫時讓 Pwn 的知識沉澱一下，先寫些別的類別的題目，過陣子再來回頭看看他。總之今天是寫了 HTB 的一題密碼學的題目。 今日進度 [HTB] BabyEncryption Writeup 今日狀態 起床時間：11：00 知識量：⭐⭐⭐ 疲勞程度：⭐⭐⭐ 精神狀態：⭐⭐⭐⭐