Dynamic Analysis

IoT Vulnerability Discovery and Exploitation

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IoT Vulnerability Discovery and Exploitation

IoT Vulnerability Discovery and Exploitation is an important research direction in the field of cybersecurity, involving multiple aspects such as device firmware, communication protocols, and embedded systems. Below, we analyze from three aspects: technical methods, typical cases, and protection strategies: 1. Vulnerability Discovery Techniques Static Analysis By using reverse engineering, symbolic execution, and other techniques … Read more

Introduction to Frida Hook: Mastering Dynamic Analysis from Scratch

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Introduction to Frida Hook: Mastering Dynamic Analysis from Scratch

“ Frida, as the Swiss Army knife in the field of mobile security, is an essential tool for every security researcher. Today, we will briefly understand the basic principles and usage of Frida Hook, and get an initial grasp of this tool. Introduction to Frida What is Frida Frida is a dynamic code analysis toolkit … Read more

EMBA: Transforming Embedded Firmware Security Analysis into a ‘Plug-and-Play’ Tool!

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EMBA: Transforming Embedded Firmware Security Analysis into a 'Plug-and-Play' Tool!

Summary: EMBA is a powerful security analysis tool designed specifically for embedded device firmware, helping you quickly identify hidden risks within the firmware. From extraction, static/dynamic analysis to generating SBOM reports, it provides a one-stop solution. What is EMBA? EMBA (Embedded Firmware Security Analyzer) is essentially a command-line tool whose core function is to open … Read more

Modal Synthesis Method Example: Including ANSYS Command Stream and MATLAB Source Code

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Modal Synthesis Method Example: Including ANSYS Command Stream and MATLAB Source Code

Explanation of Analytical Solution A cantilever plate with three free edges and one fixed edge can solve the variational equation by reducing it to a regular ordinary differential equation in another direction using one-way analytical methods. Analytical Solution Process: For specifics, please refer to Cao Zhiyuan’s “Theory of Plate and Shell Vibrations” pages 47-49. Finite … Read more

A Reverse Engineering Analysis of a MIPS Challenge

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A Reverse Engineering Analysis of a MIPS Challenge

AuthorForum Account: Li1y Preliminary Analysis Problem link: https://wws.lanzous.com/i6Zo2gpbolc This is an IOT reverse engineering challenge from the 2020 HWS selection competition, containing 3 files. The content of readme.txt is as follows: The command to run the challenge is as follows: sudo qemu-system-mipsel -M malta -hda openwrt-malta-le-root.ext4 -kernel openwrt-malta-le-vmlinux.elf -nographic -append “root=/dev/sda console=tty50” The program to … Read more

OllyDbg Dynamic Debugging Review and TraceMe Case Analysis

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OllyDbg Dynamic Debugging Review and TraceMe Case Analysis

The author previously introduced the Microsoft certificate vulnerability CVE-2020-0601, explaining the ECC algorithm and Windows verification mechanism, and reproducing an example of executable file signature certificates. This article will detail the basic usage of the reverse analysis tool OllyDbg for dynamic debugging, including interface introduction, commonly used shortcuts, and a case analysis of TraceMe. These … Read more

Dynamic Analysis of Power Systems Based on MATLAB | IEEE 9 and IEEE 68 Node Systems

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Dynamic Analysis of Power Systems Based on MATLAB | IEEE 9 and IEEE 68 Node Systems

Click the blue text above to follow us 📋📋📋 The table of contents is as follows: 🎁🎁🎁 Table of Contents 💥1 Overview 📚2 Results 2.1 IEEE 9 Node 2.2 IEEE 68 Node 🎉3 References 🌈4 MATLAB Code, Data, Articles 1 Overview This article introduces a MATLAB-based program developed for dynamic analysis of power systems. It … Read more

Dynamic Analysis of Power Systems Based on MATLAB | IEEE 9 and IEEE 68 Node Systems

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Dynamic Analysis of Power Systems Based on MATLAB | IEEE 9 and IEEE 68 Node Systems

Click the blue text above to follow us 📋📋📋 The contents of this article are as follows: 🎁🎁🎁 Contents 💥1 Overview 📚2 Results 2.1 IEEE 9 Node 2.2 IEEE 68 Node 🎉3 References 🌈4 MATLAB Code, Data, and Articles 1 Overview This article introduces a MATLAB-based program developed for dynamic analysis of power systems. It … Read more

OptFuture | Modal Analysis of Circuit Board Assemblies

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OptFuture | Modal Analysis of Circuit Board Assemblies

Introduction Modal analysis serves as the foundation for linear dynamic analysis, and the accuracy of its results determines the precision of subsequent transient dynamic calculations. On the other hand, conducting modal analysis of a system helps to understand its overall dynamic characteristics and guides structural dynamics modifications and re-analysis. This case study utilizes foreign commercial … Read more

CLion Tutorial – Google Sanitizers

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CLion Tutorial - Google Sanitizers

Operating System: Linux / Windows 10 (only supports AddressSanitizer) or WSL / macOS (supports AddressSanitizer, ThreadSanitizer, and UndefinedBehaviorSanitizer) Project Format: CMake (fully supported) / Makefile and compilation database (no output visualization) Toolchain: Local / Remote / WSL / Docker Sanitizers are open-source tools designed by Google for dynamic code analysis. CLion integrates the following Sanitizers: … Read more