Questions tagged [hooking]
The hooking tag has no usage guidance.
18
questions
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22
views
problem with hooking __usercall function and asm code
I need a hook function with the __usercall convention.
I already hooked functions that were defined as __usercall and __userpurge, but this time it's __usercall with arguments that are also passed ...
1
vote
1
answer
133
views
Create instance of iOS class that contains a . with frida
I am trying to create an instance of a class of an iOS app using Frida.
In the past I have successfully done this using a command such as:
var instance = ObjC.chooseSync(ObjC.classes.TestClass)[0];
...
- 107
1
vote
0
answers
63
views
Instruction-level hooking library for win32?
I am looking for instruction-level hooking library for win32 x86/x64.
I want to write hook insertion and hook implementation code in C/C++ (compiled into dll).
(Therefore instrumentation tools are ...
- 11
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92
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 (...
- 199
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134
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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 ...
- 199
1
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1
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328
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....
- 189
1
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answers
113
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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 ...
- 76
2
votes
1
answer
305
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 ...
- 21
1
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0
answers
208
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 ...
- 111
4
votes
1
answer
1k
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:...
- 49
0
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1
answer
532
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?
- 13
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49
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 ...
- 613
1
vote
1
answer
134
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 ...
- 13
1
vote
2
answers
1k
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-...
- 111
2
votes
2
answers
224
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 ...
- 47
1
vote
1
answer
81
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
- 11
2
votes
1
answer
477
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?
- 35
3
votes
1
answer
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]
...
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