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Converting 4 Bytes Value to text

 
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Murded
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PostPosted: Fri Nov 20, 2015 3:03 pm    Post subject: Converting 4 Bytes Value to text Reply with quote
I was wondering how I would go about Converting the 4 bytes value that I get using the code Below to a text value

Code:

   HANDLE hProc = OpenProcess(PROCESS_ALL_ACCESS,FALSE, procID);



   DWORD address = (DWORD)(guidll);
   DWORD offset0 = 0x00049774;
   DWORD offset1 = 0x19C;
   DWORD offset2 = 0x748;
   DWORD offset3 = 0x18;
   DWORD offset4 = 0x40C;
   DWORD offset5 = 0x23C;

   int old_value;
   DWORD oldadd;


   DWORD dll = (DWORD) (address + offset0);
   ReadProcessMemory(hProc,(void*)dll,&old_value,sizeof(old_value),0);
   oldadd = (DWORD) (old_value + offset1);
   ReadProcessMemory(hProc,(void*)oldadd,&old_value,sizeof(old_value),0);
   oldadd = (DWORD) (old_value + offset2);
   ReadProcessMemory(hProc,(void*)oldadd,&old_value,sizeof(old_value),0);
   oldadd = (DWORD) (old_value + offset3);
   ReadProcessMemory(hProc,(void*)oldadd,&old_value,sizeof(old_value),0);
   oldadd = (DWORD) (old_value + offset4);
   ReadProcessMemory(hProc,(void*)oldadd,&old_value,sizeof(old_value),0);
   oldadd = (DWORD) (old_value + offset5);
   ReadProcessMemory(hProc,(void*)oldadd,&old_value,sizeof(old_value),0);


In the case of this function, the ouput is 1919184449 which should convert to Andrewrog but I'm not too sure how to convert from the 4 bytes to text
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atom0s
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PostPosted: Fri Nov 20, 2015 3:08 pm    Post subject: Reply with quote
1919184449 is not the right value you are looking for. You may need to read into that address to get the string but '1919184449' does not equal Andrewrog in any manner.
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Murded
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PostPosted: Fri Nov 20, 2015 3:25 pm    Post subject: Reply with quote
atom0s wrote:
1919184449 is not the right value you are looking for. You may need to read into that address to get the string but '1919184449' does not equal Andrewrog in any manner.


Please take a look at this gif

gyazo. com/ 0490a423750193dc0d4e7877b2ec6848

You will need to remove the spaces
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Zanzer
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PostPosted: Fri Nov 20, 2015 4:24 pm    Post subject: Reply with quote
You should simply be able to change your DWORD into a char* and read each byte as a character instead.
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Murded
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PostPosted: Fri Nov 20, 2015 4:55 pm    Post subject: Reply with quote
Zanzer wrote:
You should simply be able to change your DWORD into a char* and read each byte as a character instead.


I'm not quite sure if I understand what you mean? could you maybe give an example?

Edit: okay so I have added this bit of code but it doesn't make a difference.

Code:

DWORD NewADD;

ReadProcessMemory(hProc,(void*)oldadd,&NewADD,sizeof(NewADD),0);


char test[100];

sprintf_s(test, "%d", GetName(ID, AWESOMIUMEDLLBASE));

NOTE: If i use %d it prints out the byte value however if I use %s it gives an error, I assume this is because I need to somehow split it up or something?
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atom0s
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PostPosted: Fri Nov 20, 2015 8:16 pm    Post subject: Reply with quote
Murded wrote:
atom0s wrote:
1919184449 is not the right value you are looking for. You may need to read into that address to get the string but '1919184449' does not equal Andrewrog in any manner.


Please take a look at this gif

gyazo. com/ 0490a423750193dc0d4e7877b2ec6848

You will need to remove the spaces


You need to read the last address as a char array then and not as a DWORD.

If you know the size limit of the array you can easily setup the last read based on that.

Code:
char name[25] = {0};
ReadProcessMemory(hProc,(void*)oldadd,&name,sizeof(name),0);


Then name will hold the data you want.
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