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Posted on 2006-07-21
Medium Priority
Last Modified: 2008-02-01
I would like to read a processes memory.  Now, I know I should use ReadProcessMemory, but I really don't know where
to beyond this.  For example, say we want to take a look at MineSweeper.  How would I go about first finding how many
bombs there are in the game?  Not where, just how many, a basic game has 10.  I assume this would take a lot of monitoring,
but I don't know how to start with that.

Then, lets say I found the address I want, how do I go about creating another program which ONLY searches this value.  So
that I can have a program which attaches to MineSweeper for the sole purpose of saying, this game has 10 bombs, 11 bombs,
or however many?
Question by:List244
  • 2
LVL 86

Expert Comment

ID: 17155067
You'd have to reverse-engineer winmine.exe - coincidentially, that was an issue on EE a could of years ago, see NickRepin's page at http://skyscraper.fortunecity.com/gigo/311/winprog.html#minesweep and the code (which also uses 'ReadProcessMemory()') at http://skyscraper.fortunecity.com/gigo/311/winprog/wmplay.zip

Author Comment

ID: 17155191
Alright, so what if I already have the address, then how would I go about grabbing that value from its memory?
LVL 86

Accepted Solution

jkr earned 2000 total points
ID: 17155349
You need the full linear address as in the code sample, e.g.

const LPDWORD pWidth=LPDWORD(0x28B51B0);     // Field width (cells)
const LPDWORD pHeight=LPDWORD(0x28B51B4);    // Field height (cells)

   // Obtain current size of field

See also

http://www.codeproject.com/threads/int64_memsteal.asp ("Stealing Program's Memory")
http://www.codeproject.com/threads/MDumpAll.asp ("Performing a hex dump of another process's memory")
http://www.codeproject.com/threads/CmdLine.asp ("Navigating the PEB")

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