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
In the previous article, we conducted a simple analysis of firmware. In this article, we will supplement some knowledge of Vxworks and continue our research into firmware content. As this involves operating system content, it is recommended that readers have a basic understanding of operating systems before reading this article, or refer to my article … Read more
Due to various unknown reasons, many universities and container technology communities have shut down multiple image acceleration sites. This has greatly affected work efficiency and development progress. In the face of this predicament, this article will introduce several effective solutions to help you smoothly pull Docker images and continue your development work. Today, I will … 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
In the previous section (HG533 Router Analysis Tutorial: Finding Hardware Debug Interface), we analyzed the hardware structure of the PCB and discovered a UART interface. Through this interface, we achieved a Linux shell management interface. In this section, we will use the methods proposed in the last section to access the device and further debug … Read more
Linux | Red Hat Certified | IT Technology | Operations Engineer 👇 Join the technical exchange QQ group with 1000 members, remark 【Official Account】 for faster approval 1. Basic Structure and Common Instructions of Dockerfile FROM – Specify Base Image FROM ubuntu:20.04 This instruction sets Ubuntu 20.04 as the base image. RUN – Execute Command … Read more
Author | Zhang Jiaqiu Liu Zhongjin 1 Introduction to BusyBox Components BusyBox is a commonly used component in embedded Linux, known as the “Swiss Army Knife of Embedded Linux.” It integrates commonly used UNIX commands into a single executable file. By streamlining functionality and sharing code, BusyBox retains the most commonly used features while significantly … 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
Did you know that there are operating systems for computers other than Microsoft’s Windows? Some of you may have used Apple’s MacBook, which runs on macOS instead of Windows. Apart from these two, there is another well-known yet not-so-famous operating system in the world. It is well-known among IT professionals, but not commonly encountered by … Read more
Computer operating systems are basic software, divided into closed-source and open-source categories. Broadly, operating systems include: computer (PC, workstation, server) systems, mobile systems (e.g., HarmonyOS), and embedded systems. This article only addresses computer operating systems. The functional role of a computer operating system is to serve as an interface between users and computer hardware resources, … Read more