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What is the method of reverse engineering in Android?

What is the method of reverse engineering in Android?

1. Weapon get novice, if you want to use this weapon, you must first open up the meridians. 1.1 Meridians (Environment) 1.Root, mobile phone root, there is no Android without root. Only by opening up the root meridian can we proceed with subsequent operations. 2. Xposed framework installation. If you want to use Xposed as a weapon, you must first be able to pick it up before you can use it. 1.2 weapons xposedBridgeApi-82.jar.jar. This is our weapon, Xiaobai, come on, I will show you the basic use of this weapon. 2. Weapon Demonstration We use Xposed weapons to intercept packageName and then output it. In fact, this weapon can only exert its maximum capabilities when paired with internal strength.

May 22, 2023 am 09:55 AM
Android
How to perform encryption and decryption in OpenSSL basics

How to perform encryption and decryption in OpenSSL basics

Speaking of OpenSSL, the first thing to mention is SSL. When we use the Internet every day, I am afraid that no one wants to be monitored by others on the Internet. Therefore, a protocol is needed to protect our network communications. The SSL protocol was developed based on this working background. It can prevent the communication between the user and the server application from being eavesdropped by attackers, and always authenticate the server and optionally authenticate the user. SSL protocols are usually built on top of the reliable Transport Layer Protocol (TCP). The advantage of the SSL protocol is that it is independent of application layer protocols. High-level application layer protocols (such as HTTP, FTP, TELNET, etc.) can be transparently built on the SSL protocol. SSL protocol in application

May 22, 2023 am 09:20 AM
openssl
The ttl value of ping briefly determines the operating system categories.

The ttl value of ping briefly determines the operating system categories.

The type of some operating systems can often be roughly judged by the ttl value of ping. Here is a summary: The TTL field value of the ICMP echo response of UNIX and UNIX-like operating systems is 255. CompaqTru645.0 The TTL field value of the ICMP echo response is 64. The TTL field value of the ICMP echo response of the Microsoft Windows NT/2K operating system is 128. The TTL field value of the ICMP echo response of the Microsoft Windows 95 operating system is 32. Of course, these ttl values ​​can also be changed. Windows series systems can modify the following key values ​​in the registry. Implementation: [HKEY_LOCAL_MACHINE＼system＼Curren

May 22, 2023 am 09:04 AM
ping ttl
Can routing be used to defend against ARP spoofing, suppress broadcast storms, and defend against intranet viruses?

Can routing be used to defend against ARP spoofing, suppress broadcast storms, and defend against intranet viruses?

The routes mentioned here are those above one thousand yuan, and we won’t talk about those below one thousand yuan. Nowadays, many enterprise routers say they have such a function, but such a function requires a prerequisite, that is, the computer must be directly connected to the router. If it is separated by a switch, these functions will be useless to the computer. Problems such as broadcast storms and ARP spoofing in the LAN are very common problems. They are not big problems, but they are very annoying. It is not difficult to solve broadcast storms, ARP spoofing or network loops. The difficulty lies in how to detect these problems. Recommend the "Buddha Nature" plug-in for our system. The reason why we say "Buddha nature" is because this detection function is based on Internet behavior management and the core of network monitoring data analysis, and only Internet behavior management can do it. It should have been placed in

May 22, 2023 am 08:52 AM
路由 arp
What are the scripting methods for Linux?

What are the scripting methods for Linux?

The first line of the code1#!/bin/sh script looks like a comment, but it is not. It specifies which SHELL will be used to execute the next script. The bash, zsh, etc. we usually use are a superset of sh. This script uses sh as the execution shell, which has better portability. code2setenforce02>dev/nullechoSELINUX=disabled>/etc/sysconfig/selinux2>/dev/nullsetenforce is the Linux selinux firewall configuration command, execute setenforce

May 22, 2023 am 08:11 AM
Linux
How to solve the pitfalls of using ParallelStream

How to solve the pitfalls of using ParallelStream

For example, the following code snippet makes people read it like reading poetry. But if used incorrectly, it can be fatal. ListtransactionsIds=widgets.stream().filter(b->b.getColor()==RED).sorted((x,y)->x.getWeight()-y.getWeight()).mapToInt(Widget:: getWeight).sum(); This code has a key function, which is stream. Through it, an ordinary list can be converted into a stream, and then it can be processed using a pipeline-like method.

May 21, 2023 pm 09:08 PM
parallelstream
What are the three authentication mode configurations of H3C switch telnet service?

What are the three authentication mode configurations of H3C switch telnet service?

The following takes an H3C switch as an example to introduce the three authentication methods of telnet service. Configuration steps for None authentication mode: [H3C] telnetserverenable//Enable Telnet service [H3C] user-interfacevty04//Allow remote users 0-4, a total of 5 accounts at the same time Log in [H3C-line-vty0-4] authentication-modenone//Authentication mode is none, no authentication is required [H3C-line-vty0-4] user-rolelevel-3//Set login user permissions Password authentication mode configuration steps: [ H3C]telne

May 21, 2023 pm 07:40 PM
telnet 交换机 h3c
What is the encryption and protection scheme for UE4 programs and resources?

What is the encryption and protection scheme for UE4 programs and resources?

UnrealEngine4 shell encryption. VirboxProtector solves code disassembly and anti-dump codes, and solves software piracy and algorithm plagiarism. Unreal Engine 4 is a complete game development tool suite produced by game developers for game development. From 2D mobile platform games to console platform masterpieces, Unreal Engine is a pure C++ engine designed for high performance. Its advanced CPU/GPU performance analysis tools and flexible renderer allow developers to efficiently complete high-quality VR experiences. The main code logic of UE4 is located in the EXE and resource file pak in the project. Shensi virboxProtector can protect the code in the exe from being disassembled, while also protecting the pak resources.

May 21, 2023 pm 06:59 PM
ue4
How to implement Kali-OpenVAS scanning

How to implement Kali-OpenVAS scanning

Based on Kali-2019.1a, install OpenVAS and configure (network environment problem, openvas-setup download takes too long) apt-getinstallopenvas#Install openvasopenvas-setup#Initialize configuration openvas-check-setup#Check whether there are problems with openvas settings openvasmd-- list-users#View the current account openvasmd--user=admin--new-password=password#Set the user name and password openvas-start#Start the web management interface on this machine

May 21, 2023 pm 02:13 PM
kali openvas
What is the difference between IOS and Android in APP testing?

What is the difference between IOS and Android in APP testing?

1. First, let’s talk about the key points of APP testing (1) Functional testing. Functional testing is an important aspect in App testing. When conducting App testing, testers should perform manual testing. At the same time, check whether the function is correct and running normally according to the design drawing. In software testing, focus on test points: 1. Whether the software can run, install, and uninstall normally; 2. Login, registration, and logout (introduced in Basics of Software Testing (1), not detailed here) 3. Data update, App Update (2) Client Test Nowadays, many software have not only mobile version but also PC version. The software running on the client PC needs to be compatible with different versions of browsers and can run on mid-range, high-end and low-end PCs. (3) App compatibility test 1. On models of different brands

May 21, 2023 am 09:10 AM
Android iOS
How to implement Chineseization of Pfsense

How to implement Chineseization of Pfsense

Pfsense Chinese Download Chinese package ClickHere language package ClickHereStep1:UploadpfsenseZH.tgztopfsensesystem/tmp/2:tarzxvf/temp/pfsense.tgz-C/3:Gotopfsensemanagewebsitehttp://PfsenseManageIP/lang.php4:Select Simplified Chinese, then click Browse, choose you Download pfsenseZH.mo, click UPDATE to update 5: Switch the language to Chinese successfully.

May 21, 2023 am 08:28 AM
pfsense
How to use sqlmapapi to initiate a scan

How to use sqlmapapi to initiate a scan

sqlmap can be said to be an artifact of SQL injection detection, but the efficiency of using sqlmap to test SQL injection is very low, and each URL needs to be tested manually. The developers of sqlmap have added sqlmapapi.py, which can be operated directly through interface calls, simplifying the execution of sqlmap commands. sqlmapapi is divided into server and client. sqlmapapi has two modes, one is the interface mode based on HTTP protocol, and the other is the interface mode based on command line. sqlmap source code download address: https://github.com/sqlmapproject/sqlmap/ 1. View help pythonsqlmapa

May 20, 2023 pm 11:13 PM
sqlmapapi
How to analyze the writeup of CTF questions

How to analyze the writeup of CTF questions

This is a relatively simple PWN question. First, drag it into IDA and briefly look at the program. As shown in the figure, it is found that it is reading and there is no stack protection. Therefore, when reading 0x34, the game return address may be replaced. First, pass write(1, write,4) (game as write return address). Read the write address in this way, so that you can get the system address, because it is running in a loop again. Also write /bin/sh\0 at 0x804A06C, so that the system can run. Pythonexp is as follows: frompwnimport*defrungameAgainPoc(p,yourname,flag):p.re

May 20, 2023 pm 08:19 PM
writeup ctf
How to reproduce the EyouCMS V1.5.1 front-end getshell vulnerability

How to reproduce the EyouCMS V1.5.1 front-end getshell vulnerability

Introduction to 0x00 vulnerability Zanzan Network Technology EyouCMS (EyouCMS) is an open source content management system (CMS) based on ThinkPHP of China Zanzan Network Technology Company. Eyoucmsv1.5.1 and previous versions have arbitrary user background login and file inclusion vulnerabilities. This vulnerability allows an attacker to set an administrator's session in the foreground by calling the API, and the background remote plug-in download file contains getshell. 0x01 affected version EyouCMS

May 20, 2023 pm 08:14 PM
getshell EyouCMS

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