Introduction Assembly language is the foundation for learning reverse engineering. This article analyzes function calls from the assembly level to understand the specific implementation processes of stack pushing, jumping, execution, and returning, as well as the application of the stack. My knowledge is limited, so please point out any errors or unclear points. Your encouragement … Read more
Welcome to click “The Beauty of Algorithms and Programming” ↑ Follow us! This article was first published on WeChat official account: “The Beauty of Algorithms and Programming”, welcome to follow and stay updated on more articles in this series. Introduction In today’s internet era, many teenagers enjoy playing games, such as League of Legends, PUBG, … Read more
Friends with a bit of computer knowledge must know that computers only recognize 0 and 1. Back in the day, to write a program, you had to use 0 and 1, haha, cool, right? So, the admiration for programmers might have originated from that time. Later, people found it too inconvenient to write programs using … Read more
This article is an excellent post from the Kxue Forum. Author ID: xwtwho The original intention was to brush Douyin too much and find that I couldn’t directly search in the list of liked videos, so I wanted to implement it myself and record the process as a learning note, purely for technical exchange. 1. … Read more
This article is an excellent piece from the Kanxue forum. Author from Kanxue ForumID: xwtwho A while ago, I wanted to play this game and found that there was root detection while running the emulator. I wanted to see how it was implemented and prepared to debug it, but there was no X86 library. I … Read more
Author | Green Alliance Technology Ge Wu Laboratory Chen Jie Introduction: In firmware analysis, it is often necessary to locate the firmware’s loading address, especially the memory address where Vxworks or Linux kernel is loaded into memory, which facilitates reverse engineering tools like IDA PRO for correct disassembly and string references. In the following sections, … Read more
Author | Green Alliance Technology Laboratory Wei Fan Introduction:The router is the most widely used IoT device, and TP-LINK is the largest router manufacturer in China. Its WDR 7660 model router uses the VxWorks operating system for the first time, offering high real-time performance and reliability, but also presenting significant challenges for reverse analysis. This … Read more
Since I changed my job position, I haven’t researched reverse security for about 4 or 5 years. I thought I would have no connection with this profession again, but unexpectedly, today I had a chance to “enjoy” it again due to a random opportunity. Recently, my colleagues in the company have been constantly reporting that … Read more
This article is a featured article from the Kanxue ForumAuthor of Kanxue ForumID: Hu Yimi 1 Introduction In this article, we share some research content about the Loock Touch smart lock, which is produced by Yunding Technology. Yunding Technology is a company focused on the research and production of smart home security products, with two … Read more
This article is a highlight from the Kanxue Forum. Author ID on Kanxue Forum: Shaobanjia After reading the STM32 firmware reverse engineering thread on the forum (https://bbs.pediy.com/thread-272811.htm), I found a help request in the comments about the STM32 chip program that uses the XTEA encryption algorithm, but I couldn’t understand the data sorting issue (https://bbs.pediy.com/thread-272872.htm). … Read more