Launch::Serial Key

Quote:

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Originally Posted by bounty-hunter

Which one worked, the first one or the second one?

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Code:

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#include <windows.h>
#include <iostream>
using namespace std;
int main()
{
    LONG address = 0x004972A7;
    BYTE newvalue[] = {0xb8, 0xff, 0xff, 0x00, 0x00};
    HANDLE phandle;
    HWND hwnd = FindWindow(0, "GunZ");
    DWORD pid;
    if(!hwnd) {
        cout << "Error: Cannot find window!" << endl;
        cin.get();
    } else {
        GetWindowThreadProcessId(hwnd, &pid);

        phandle = OpenProcess(PROCESS_ALL_ACCESS, 0, pid);
   
    if (phandle != 0) {
        WriteProcessMemory(phandle, (LPVOID)address, (LPVOID) &newvalue, sizeof(newvalue), 0);
        cout << "Memory wrote successfully.";
        cin.get();
    } else {
        cout << "Couldn't get a handle";
        cin.get();
    }
}}

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Quote:

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Originally Posted by Linear88

MapleStory hack source. Found that and used it yesterday, and this was posted today. l0l

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jajaja yeah i know, i only found that and try do that xD

Add:

Code for VB.NET ^^
Sometimes get error i dont know =/ if someone can help with this thanks hehehe

Code:

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Imports System.Runtime.InteropServices
Public Class Form1
    <DllImport("kernel32.dll")> _
            Public Shared Function WriteProcessMemory( _
            ByVal hProcess As IntPtr, _
            ByVal lpBaseAddress As IntPtr, _
            ByVal lpBuffer As Byte(), _
            ByVal nSize As UInt*** _
            ByRef lpNumberOfBytesWritten As UInt32 _
        ) As Boolean
    End Function

    Dim p As Process() = Process.GetProcessesByName("Gunz")
    Dim en1 As Byte() = {&HB8, &HFF, &HFF, &H0, &H0} 'Bytes of MOV EAX,0FFFF


    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles button1.Click
        WriteProcessMemory(p(0).Handle, &H4972A7, en1, en1.Length, 0) '4972A7 is the Adress
        MsgBox("Nice")
            End Sub
End Class

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P.D. I Try with this and change the the bytes good but yet i cant start the runnable =/

just make a little injector on you launcher, inject a dll on your gunz that patch all you want , including the antihack if you want

Quote:

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Originally Posted by dacharles

just make a little injector on you launcher, inject a dll on your gunz that patch all you want , including the antihack if you want

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yes, but if my launcher is custom ? sorry i never work with serialkey u.u
so i want can use SerialKey and only can run the runnable with the launcher hehe

I don't get the question. Do you want to know how the gunz serial key works? Do you want ideas for something similar? What..

Quote:

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Originally Posted by ThievingSix

I don't get the question. Do you want to know how the gunz serial key works? Do you want ideas for something similar? What..

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mm well i want know how work for maybe i could implement it in my custom launcher or other project

because i dont want that people can run the gunz.exe without my program ( i dont want use the gunzlauncher normal)

edit:

Quote:

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Originally Posted by Lambda

Launcher Side:

OpenClipboard(NULL);
SetClipboardData(1378, encriptedstring with seed algorithm);
CloseClipboard();
Launch GunZ.

GunZ Side:
OpenClipboard(NULL);
IsClipboardFormatAvailable(1378);
GetClipboardData(1378);
decrypt string and check the timestamp and some other strings

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Quote:

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Originally Posted by ThievingSix

I don't get the question. Do you want to know how the gunz serial key works? Do you want ideas for something similar? What..

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I want to know how it works and how i can do it to let my Laucnher works with it like Maits Laucnher :)