Questions tagged [dll]

Dynamic-link library, or DLL, is Microsoft's implementation of the shared library concept in the Microsoft Windows and OS/2 operating systems.

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Implementing call into compiled, undocumented, C DLL; divining exported function prototype

I've been attempting to build my own implementation of Nvidia's Surround functionality by using their DLLs within a more reliable and automatic system. I'm pretty new to this; I've been a programmer ...
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183 views

Puzzling behaviour when loading Wine's oleaut32.dll in OllyDbg

I was experimenting with debugging Windows programs under Wine and spotted this weird behaviour. When I check Wine's oleaut32.dll in OllyDbg I get different values in PE header compared to that what ...
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68 views

DLL obfuscator - what kind of obfuscator is this?

when I am looking for packet editor, I found open project on http://www.packeteditor.com/ when I learn how it works, I see that the application is injecting a dll named WSPE.dat, when I load this WSPE....
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158 views

Understand DLL function signature from ordinal

I'm trying with ghidra to reverse a 32-bit proprietary application that uses mfc42.dll and I'm obtaining mixed results with respect to imported functions. To my surprise the DLLs don't use names to ...
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148 views

Dump packed dll

I am trying to analyze lua functions of game but dll is packed and I can't see them. I tried to dump dll with scylla https://github.com/NtQuery/Scylla but I still didn't get lua functions. Can someone ...
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114 views

Reverse engineering IE thick client

Internet Explorer allows for creating thick clients that run in the browser via a Browser Helper Object (BHO). In trying to reverse one such thick client I noticed that the website downloads about ...
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537 views

Reverse Engineering a whole project desktop application

Friends: i am trying to reverse engineer a CMS desktop application with the objective to make another with better functionallity; that CMS application contains 32 Dll´s; the idea is instead of create ...
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500 views

Android shared Library (.so)

I quite quite new to reverse engineering in General and there are a couple of things I'm unsure of. The app I am reverse engineering uses a couple of android libs in order to sign requests. So far I'...
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179 views

Scanning memory accessed by a DLL

I would like to scan (or alternatively dump) memory that a DLL accesses while it's running. Scanning the application's (EXE) memory is not feasible (too large), and the DLL needs the application to ...
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3k views

How to turn a .dll file into a .exe file for ollydbg?

I have a dll file which I want to analyze/debug. To do that, I use ollydbg. But when I open the file with ollydbg then the following message appears : File 'C:\..........\Conficker.exe' is a ...
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357 views

Calling Lua by C/C++ in compiled applications

So, currently I've been reverse engineering an application, that allows Lua coding. Because for some special purposes, I need to call Lua directly by C/C++ coding. However, as this application is ...
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168 views

Calling imported DLL functions from an injected DLL?

If I have injected my own DLL into an executable (a game specifically) which imports a DLL to draw its graphics, camera, etc. How can I go about calling the DLLs functions? I'm able to find the ...
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671 views

How to change the DLL name in the already compiled application?

I am trying to change the name of the DLL file I had specified for my application before compiling it. When I change the DLL file name I get the error message like: System.IO.FileNotFoundException: ...
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261 views

Is there any technique called “DLL Replacement”?

I know a techinique is called: Process Replacement , I have searched but could not find any article about "DLL Replacement", in which malicious programs can replace a legal DLL (eg. a third party DLL) ...
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526 views

How to debug DLL injection in IDA?

Recently, I've been cracking a crackme DLL, and I need to inject it into a process, to see if it worked. However, I've ran into a problem. I cannot seem to find how to debug DLL injection inside of ...