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How to search strings in a process? C ++

 
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deliriun
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PostPosted: Tue Oct 20, 2015 9:05 pm    Post subject: How to search strings in a process? C ++ Reply with quote
How to search strings in a process? C ++

I would like an example of search strings in memory of a program and get your address. NO UNICODE

Sorry for my English, I speak Spanish
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STN
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PostPosted: Wed Oct 21, 2015 4:30 am    Post subject: Reply with quote
Strings are stored the same way in memory as any other data type. Find the hex value of the string you want to search and use sigscan routine to search in memory.

You can use the ASCII values of characters to generate the hex value to search for if you don't already know the hex value.
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n0psl3d
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PostPosted: Mon Nov 09, 2015 4:51 pm    Post subject: Re: How to search strings in a process? C ++ Reply with quote
deliriun wrote:
How to search strings in a process? C ++

I would like an example of search strings in memory of a program and get your address. NO UNICODE

Sorry for my English, I speak Spanish


Literally make a char array with the desired search characters, and scan for the same byte pattern using ReadProcessMemory like you would any other value scan.

Strings are a lot easier than integers because they have a fairly limited value range per character.
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ulysse31
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PostPosted: Tue Nov 10, 2015 1:07 pm    Post subject: Reply with quote
CE has a usefull tool which will scan the code and give you all referenced strings (memory viewer -> view -> referenced strings).

This is good because for certain strings it will also give you the memory address of the code line reading the string, even if the string isn't being read at the moment you scan for it.
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