Questions tagged [hooking]

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Will ida pro have the following features?

First of all, I'm sorry if it's not smooth because it's a translator. I am checking the value of a specific variable using the “watch view” of ida pro. I want to see all the data as a hex string(in ...
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57 views

Easy way to attach a DLL to a Game

I like to attach a dll to a game to add more features. The DLL is 95% done, the problem is find the best and easy way to load this dll from the Game. My idea is use this technique: dinput_ori.dll (...
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41 views

Question about basic hooking concept

I have created a c++ complete project to hook GOG game and work perfectly (this add a unofficial Force Feedback support). To to it I have found on github a custom version of d3d9.dll with with DllMain ...
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36 views

Crash after hook a function

I have hooked a sound function that work within the game menu after, when the battle start, the game will crash. The function at the first parameter get correctly the sound file name, before the ...
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58 views

frida - The specified child already has a parent. You must call removeView() on the child's parent first when hooking, how do you solve it?

I wanted to hook the method A1f in the below code but frida returns the following exceptions: Found instance: MyHomeFragment{9bbd8d5} (0965bca9-4838-4ca1-a835-d99639ae15f1)} java.lang....
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51 views

what are modern hooking techniques? [closed]

i was looking at interesting anti malware roles (malware analysis and prevention) and among the required skills they mentioned that "modern hooking techniques" should be well acquainted with. i was ...
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1answer
106 views

Hiding a file in a Windows operating system

I am trying to understand how to hide a file in windows as a way to learn about win api and malware analysis. What I am trying to do is to make a file "disappear" via some kind of manipulation. But I ...
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93 views

How to hook eval function in node.js

As the eval() function of JavaScript is an evil, I want to hook or monkey-patch eval() function of JavaScript in node.js. I want to intercept all arguments passed in eval() function. Please guide me ...
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1answer
516 views

Hooking function with frida

How can i hook functions with frida? Can someone give me an example please, for something that do that? Hook at 0x412312 and change the assembly code to "mov eax, 999" I Arleady tried something like:...
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1answer
319 views

Intercept zip decryption key or files from an application

If an application is reading from a password protected zip file, is there a way to intercept the key being sent to decrypt the zip file. Or, is there a way to dump the files being read themselves?
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34 views

javascript hook comparisons

Look at this very basic javascript code: if (s=='abcd') { if (s2='cdef') { ... } } I want to hook all tests: I want to get this: (s,'==','abcd') (s2,'==','cdef') Is there a way ...
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1answer
108 views

Why does vmt hooking not work with instance member in the following case?

Why does the function not get hooked when called with instance member obj.myFunc() ? class Myclass { public: virtual void myFunc() = 0; }; class Derived : public Myclass { public: void ...
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2answers
829 views

What functions (in which modules) can be hooked by Frida to access unencrypted data of SSL connections in Java programs running under Windows?

There are gazillions of internet resources discussing how to use Frida to hook and otherwise mess around with SSL connections of Java programs running under Android, but seemingly (as far as my google-...
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2answers
134 views

Check if instruction is reached

I am doing a challenge for a CTF and I have to reverse an encryption scheme to find a flag. However it would be easier to just try all inputs but they are too much. There is an instruction that when ...
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1answer
69 views

Windbg Break Points

I need to set a break point when a specific module address space is being overwritten? I need to specify this by module name not address space
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1answer
242 views

How to see ReadFile results with ProcMon

I running procmon to monitor my process, and see that my process uses ReadFile API. How can I see which data the process received when it uses ReadFile?
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1answer
1k views

Is it possible to hook CPU instructions without severe performance impact?

I have been working on some unpackers, and I noticed that at their end, they mostly use this: mov edx, [ebp+oep] call edx ; now, you're at the OEP of the original binary Or this: mov ecx, [ebp+oep] ...