Encounter a bunch of Trojan. psw. win32.onlinegames/* door0.dll, etc. 2
EndurerOriginal1Version
Send Dr. Web cureit! Scanned logs.
BTW, Dr. Web cureit! Now integrated with the simplified Chinese Language Pack, the runtime interface automatically uses Simplified Chinese, and the log is also Chinese, so there is no need to worry about E.
========================================================== ============================================Dr. Web (r) sc
In the previous article, we introduced non-mfc dll and the MFC rule DLL. Now we will analyze in detail the last type of DLL-MFC extension DLL.
Introduction 6.1
The similarities between the MFC extension DLL and the MFC rule DLL
The same problem is when I interview the director, the director asked me a question, these days have been busy, have not read a book, summed up this question today? Why does a process use a dynamic link library and another process can continue using it? At that time, the answer is very general, only half of the answer, and now here to summarize it!As we have said before, there are several ways to communicate between processes, but the dynamic link library We are talking about is also one of the
in recent times, often encountered these problems, a while ago, did not remember, did not think of recent research and some do not remember, today write it down for forgetting. The DLLs we provide to other languages are usually called C or C.+ + is written and then encapsulated. My side is also used in C + +. First, there are a few points to note:1, if the functionality is simple, or if you do not use a third-party library (such as an MFC-brought library), create a Win32 console program, and the
Do not register calling an ActiveX Dll(by LINGLL completed on 2006-2-7 13:45)
Each ActiveX DLL should have a DllGetClassObject function that can be used to create the required COM object directly, without having to pass through the registry (or register).
Stdapi DllGetClassObject (Refclsid Rclsid,//clsid for the class objectREFIID riid,//reference to the identifier of the interfaceThat communicates with the
Solve | Problem Summary: This article describes the assembly concept and explains how the. NET Framework uses the assembler to solve versioning and publishing issues.
Directory
Brief introduction
Problem description
Characteristics of the solution
Assembly: Building Blocks
Versions and shares
Version Policy
Release
Summary
--------------------------------------------------------------------------------
Brief introduction
The Microsoft®.net framework introduces several new features designed
DLL component version compatibility problem is often encountered in production development, common component compatibility issues such as: newtonsoft.json,log4net, etc.
In order to save everyone time, want to see the solution directly, you can directly click on the table of contents 3, 4
Catalogue
1. Reasons for version compatibility issues
2. Resolve version Compatibility Prerequisites
3. Specify a specific version bindingredirect**
4. Specify a spec
I believe that friends who often play Trojans will know the characteristics of some Trojans and have their favorite Trojans. However, many friends still do not know what the "DLL Trojan" has emerged in recent years. What is "DLL Trojan? What is the difference between it and a general Trojan?
I. Starting with DLL technologyTo understand the
Today, when running the "pleasant goat and gray wolf Screensaver. exe" program under the Win8.1 system, it suddenly pops up as shown in the System error window:
The content is "system error." This program cannot be started because MSVBVM50.DLL is missing from the computer. Try reinstalling the program to resolve this issue. ”
First, popularize common sense, MSVBVM50. What is a DLL file? DLLs are ab
Today try to write a simple c++dll, and call it with another CPP, do not say anything, first put the code1.DLL (bubbling Algorithm)extern"C"_declspec (dllexport)void Maopao (int *p,int count); void Maopao (int *p, int count) {int temp=0; for (int i=1;i {for (int J=count-1;j>=i;j--) {if (P[j]>p[j-1]) {temp=p[j]; p[j]=p[j-1]; p[j-1]=TEMP; } } } 2. Calling the
We know that the Windows DLL is not able to run independently, but Microsoft has provided rundll32.exe for running DLLs.
Test first: Run "Rundll32.exe shell32.dll,restartdialog" and the restart dialog will pop up. The same way you can turn on other features of Windows systems.
Here's a look at how to define your own DLL to let Rundll32.exe run.
The
Preface
Backdoor! I believe this term will not be unfamiliar to you, but it will not be harmful to you. However, as people's security awareness gradually increases, the "strong support" of anti-virus software is added ", so that traditional webshells cannot hide themselves. Anyone with a little knowledge about computers knows how to "Check ports" and "view processes" to discover some "clues ". In this way, the process and port are hidden. This article takes "
This article introduces the DLL explicit link process and the module base address relocation and module binding technology.
The first method to map a DLL to a process address space is to directly reference the functions or variables contained in the DLL in the source code. After the DLL program is run, it is implicitl
Summary
This article will introduce the backward compatibility of DLL, which is also known as "DLL hell. First, I will list my own research results, including the results of some other researchers. At the end of this article, I will also provide a solution to the "DLL hell" problem.
Introduction
I once accepted a task to solve a
[Reprint] Parsing DLL files in Windows---interpretation of classic DLLsIn the Windows world, there are countless blocks of active continents, and they all have a common name-the dynamic link library. Now walk into these magical activities of the mainland and find out their long hidden secrets!First glimpse of the doorway: the cornerstone of WindowsOpen a system directory casually, you can see a lot of extensions D
Brief introductionIn the previous chapters, I introduced knowledge about remote thread injection, and implemented backdoor. dll files into the Explorer.exe to bypass the firewall bounce back door. But an. exe file always takes a. dll file when it is injected it is really troublesome, then there is no way to do not apply to the. dll file implementation injection?T
. NET is a language that is built on a virtual machine that generates the intermediate language of the MSIL directly, and then the. NET compiler JIT interprets the image as native code and delivers CPU execution. The intermediate language is easy to decompile, so study how to effectively protect DLL files. My approximate method is: Strong signature + obfuscation + encryption. Strong-Signed strong-named assemblies ensure that your assemblies are unique
We know that Windows DLL is not able to run independently, but Microsoft provides rundll32.exe for running DLLs.
First Test: Run "Rundll32.exe Shell32.dll,restartdialog", will pop up the restart dialog box. This same way you can turn on other features of the Windows system.
Here's how to define your own DLL to let Rundll32.exe run.
The
Msvcr100.dll is a dynamic link library of Visual Studio 2010, if a program is developed with it, then the program may need to run the dynamic link library, some programs directly packaged it into the installation directory, and register, there will be no missing problems; However, some programs have the default system in the dynamic link library, no processing, there will be missing problems. So what is the reason for the loss of Msvcr100.
DLL (Dynamic Link Library), you can simply think of a DLL as a repository that provides you with variables, functions, or classes that you can use directly. In the history of the warehouse has experienced the "No library-static link library-dynamic link library" era.Both static and dynamic link libraries are shared code, and if you use a static link library, the instructions in Lib are included directly in
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.