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[C#] pointer/address finding, then using it

 
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ak5745
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PostPosted: Thu Aug 26, 2010 11:19 pm    Post subject: [C#] pointer/address finding, then using it Reply with quote
Pointers: I have the address I need, but am unable to find the pointer for it. I aquire what CE thinks is the hex value to search for (always ends up being the address - no offset), I search for it using Exact, 4 bytes, tick Hex, and I always come up empty. Is there something else I should do? I've followed about every tut on here and am still coming up empty.

Also, now that I have this address, I'd like to see if I can somehow have the value (a double) reflected on a form from C# (a textbox). Is this a possibility? I have no need to write to this address value - just want to see it update as the game updates it.

As you can tell, I'm new to programming. This is probably way over my head, but just wanted to see if it could work. Any tips would be greatly appreciated.

Thanks
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hcavolsdsadgadsg
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PostPosted: Fri Aug 27, 2010 12:15 am    Post subject: Reply with quote
http://msdn.microsoft.com/en-us/library/3hfd35ad.aspx
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ak5745
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PostPosted: Fri Aug 27, 2010 8:31 am    Post subject: Reply with quote
Thanks for the link.

So the way I'm seeing it is the double.toString() method will let me reflect a double in a textbox (as a string). How can I get this said double from the game? Since I have its address, is there a method that takes the memory address and retrieves the double value it is storing, alowing me to use double.toString() for the textbox?

Thanks again
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TROLOLOLOLOLOLOLOLOLOLOLO
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PostPosted: Fri Aug 27, 2010 5:09 pm    Post subject: Reply with quote
ak5745 wrote:
Thanks for the link.

So the way I'm seeing it is the double.toString() method will let me reflect a double in a textbox (as a string). How can I get this said double from the game? Since I have its address, is there a method that takes the memory address and retrieves the double value it is storing, alowing me to use double.toString() for the textbox?

Thanks again


Try:

Textbox1.Text = myAddress.ToString();

Or something like:

string strMyAddress;
double dblMyAddress = Double.Parse(strMyAddress);

Textbox1.Text = dblMyAddress.ToString();
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XaLeX
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PostPosted: Sat Aug 28, 2010 1:24 am    Post subject: Reply with quote
ak5745 wrote:
How can I get this said double from the game? Since I have its address, is there a method that takes the memory address and retrieves the double value it is storing, alowing me to use double.toString() for the textbox?
check out ReadProcessMemory


CometJack wrote:
Textbox1.Text = myAddress.ToString();
That would write the address, not its content.

CometJack wrote:
string strMyAddress;
double dblMyAddress = Double.Parse(strMyAddress);
Textbox1.Text = dblMyAddress.ToString();
Why are you parsing a string to a double back to a string?
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ak5745
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PostPosted: Mon Aug 30, 2010 11:27 pm    Post subject: Reply with quote
Thank you for the responses. Now that I have my pointer, would someone know what I need to do to be able to use this pointer in ReadProcessMemory? I found this pointer using the scan, but am unsure how I can use it (I believe it's address + offset, but which combo?) I've tried ((0x029A62D4) + 0x2D8) with no luck (that's adding, right?). Anyway, the list is as it appears on CE:

Address pointed to: 029B8268
Pointer Address: / Offset:
029A62D4 / 2D8
0298071C / 64
023A00D4 / 6D4
0018B030 / D4
Program.exe+0017AFA0 / 7C4

Thanks for the help
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justa_dude
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PostPosted: Tue Aug 31, 2010 12:14 am    Post subject: Reply with quote
You'd read program.exe + 17afa0 (probably 417afa0), then add 7c4 and read the next pointer, then add d4 and read again, etc.
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ak5745
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PostPosted: Tue Aug 31, 2010 1:51 pm    Post subject: Reply with quote
So would this be heading in the right direction? I'm still learning how ReadProcessMemory is used, so I thought I'd try. Not expecting to get it right the first time:

Code:

int bytesReaded;
int pointerBase;
byte[] memory;
int intExample;
           
memory = pReader.ReadProcessMemory((IntPtr)0x417AFA0, 4, out bytesReaded);
pointerBase = memory [0];
pointerBase += 0x7C4;
intExample = memory[0];
MessageBox.Show ("intExample: " + intExample.ToString());


Basically just trying to add offset 7C4. So after offset 7C4 is added, would I then use ReadProcessMemory again and add the next offset after, then rinse and repeat for all other offsets? Would it also be possible to get the final value (a double) in a MessageBox?

Thanks
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flash harry
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PostPosted: Wed Sep 01, 2010 3:00 am    Post subject: Reply with quote
ak5745 wrote:
So would this be heading in the right direction? I'm still learning how ReadProcessMemory is used, so I thought I'd try. Not expecting to get it right the first time:

Code:

int bytesReaded;
int pointerBase;
byte[] memory;
int intExample;
           
memory = pReader.ReadProcessMemory((IntPtr)0x417AFA0, 4, out bytesReaded);
pointerBase = memory [0];
pointerBase += 0x7C4;
intExample = memory[0];
MessageBox.Show ("intExample: " + intExample.ToString());


Basically just trying to add offset 7C4. So after offset 7C4 is added, would I then use ReadProcessMemory again and add the next offset after, then rinse and repeat for all other offsets? Would it also be possible to get the final value (a double) in a MessageBox?

Thanks


This helped me to start off:

sites(dot)google(dot)com/site/gametrainerswithcsharp/

i cant post url's yet Sad

there is also a nice lil app called TMH to help with writing it out too, and ProcessMemoryReaderLib class to go with it but im not sure if its any good for multilevel pointers tbh ive not tried it

*EDIT* not sure about the messagebox thing tho.
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TROLOLOLOLOLOLOLOLOLOLOLO
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PostPosted: Fri Sep 03, 2010 11:08 pm    Post subject: Reply with quote
XaLeX wrote:
ak5745 wrote:
How can I get this said double from the game? Since I have its address, is there a method that takes the memory address and retrieves the double value it is storing, alowing me to use double.toString() for the textbox?
check out ReadProcessMemory


CometJack wrote:
Textbox1.Text = myAddress.ToString();
That would write the address, not its content.

CometJack wrote:
string strMyAddress;
double dblMyAddress = Double.Parse(strMyAddress);
Textbox1.Text = dblMyAddress.ToString();
Why are you parsing a string to a double back to a string?


I dunno, what the hell was I thinking Shocked
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