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[Delphi] Get module name from ptr(address)

 
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h4c0r-BG
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PostPosted: Tue Mar 17, 2009 3:38 pm    Post subject: [Delphi] Get module name from ptr(address) Reply with quote
I have a RANDOM address in memory, with that address i want to be able to get the name of the module which it is into.

Is that possible and how? (i hope it will not be too complicated) Smile

Sorry for my bad english.
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samuri25404
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PostPosted: Tue Mar 17, 2009 4:06 pm    Post subject: Reply with quote
If there's no better way, you could always enumerate the modules of the process and check their address range to see if yours fits.

Code:

//C++:
//#include <windows.h>
//#include <tlhelp32.h>

BOOL FindModule( DWORD dwAddress, LPTSTR tszModuleName )
{
    HANDLE hSnapshot;
    MODULEENTRY32 me32;

    tszModuleName[ 0 ] = 0; //to make things easier to determine if we've succeeded or not
   
    hSnapshot = CreateToolhelp32Snapshot( TH32CS_SNAPMODULE, GetCurrentProcessId( ) );

    if( !hSnapshot )
        return FALSE;

    me32.dwSize = sizeof( MODULEENTRY32 );

    if( !Module32First( hSnapshot, &me32 )
        return FALSE;

    do {
        if( dwAddress >= ( DWORD )me32.modBaseAddr &&
            dwAddress <= ( ( DWORD )me32.modBaseAddr + me32.modBaseSize ) ) {
            _tcscpy( tszModuleName, me32.szModule );
            break;
        }
    } while( Module32Next( hSnapshot, &me32 ) );

    CloseHandle( hSnapshot );

    return( tszModuleName[ 0 ] == 0 );
}

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