Analysis of Encryption Algorithms After Light Obfuscation with OLLVM

Analysis of Encryption Algorithms After Light Obfuscation with OLLVM

This article is an excellent piece from the Kanxue Forum. Author from Kanxue ForumID: Avacci This topic originates from the third question of the Kanxue Advanced Research Class 3W in September. The target app has a very simple interface. Clicking the “CHECK” button will continuously print the encrypted string below. The goal is to analyze … Read more

Restoration of APP Encryption and Signature Algorithms

Restoration of APP Encryption and Signature Algorithms

This article is an excellent piece from the KX forum. KX forum author ID: taobluesky Recently encountered a shell with quite high intensity, sharing how to debug with the shell, purely a technical exchange, please do not use this article for illegal purposes! 1 Prepare Environment frida 12.11.18 jeb-3.24 jadx-gui-1.3.3-1 xcube android 7.0 (real machine) … Read more

Analysis of Encryption Algorithm in Companion App Protocol

Analysis of Encryption Algorithm in Companion App Protocol

This article is an excellent piece from the KX Forum Author from KX ForumID: Mr.YX 1. Open libsmsdk.so, locate the JNI_Onload function, import the jni.h file, and find the RegisterNatives function. if ( v11 == -2109534065 ) { v20 = v9->functions->RegisterNatives(&v9->functions, v34, (const JNINativeMethod *)off_7283C, 6); v5 = -1802225456; v10 = 86439211; v11 = -(~(v20 … Read more

LineageOS Installation Guide for Android

LineageOS Installation Guide for Android

Click on the top “Reverse Newbie“, select “Follow Public Account“ Learn Python web scraping and reverse engineering with me! 1. Introduction Good reverse engineering starts with a good environment, so let’s set up our phones together. The purpose of this article: to install LineageOS (LOS) 15.1, Root, and install Frida and Objection tools. Why choose … Read more