[C++] Instant Messenger Spammer

[Gonzalez]

/*
   Instant Messenger Bomber
        Coded by a59

   [ 6 - 21 - 07 ]
*/
#include <windows.h>
#include <stdio.h>

void Type( char* szString );
void RandomizeBuffer( char* szBuffer, int iLen );
void InterpretMethod( void );

void Type( char* szString )
{
   int iLen = strlen( szString );
   bool bShiftDown = false;

   for( int i = 0; i < iLen; i++ )
   {
      short sKey = VkKeyScan( szString[ i ] );

      if( ( sKey >> 8 ) & 1 )
      {
         keybd_event( VK_LSHIFT, 0, 0, 0 );
         bShiftDown = true;
      }

      keybd_event( (unsigned char)sKey, 0, 0, 0 );

      if( bShiftDown )
      {
         keybd_event( VK_LSHIFT, 0, KEYEVENTF_KEYUP, 0 );
         bShiftDown = false;
      }
   }
};

void RandomizeBuffer( char* szBuffer, int iLen )
{
   char* szList = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz1234567890";

   for( int i = 0; i < iLen; i++ )
      szBuffer[ i ] = szList[ rand( ) % strlen( szList ) ];

   szBuffer[ iLen ] = 0;
};

void InterpretMethod( void )
{
   char szBuffer[ 512 ], szMethod[ 32 ], szLength[ 8 ], szTime[ 8 ];
   bool bCheckedMethods = false;
   unsigned long uStartCount;
   int i, iSent = 0;

   while( true )
   {
      printf( "Choose your method, type 'methods' for a list\n" );
      printf( "> " );

      scanf( "%s", szMethod );

      if( !strcmp( szMethod, "methods" ) )
      {
         printf( "1 - Random strings\n" );
         printf( "2 - User defined message\n" );
         printf( "3 - Smiley spam\n" );
         printf( "4 - Exit\n" );

         bCheckedMethods = true;
      }

      switch( atoi( szMethod ) )
      {
      case 1:
         printf( "Enter the length of each random string\n" );
         printf( "> " );

         scanf( "%s", szLength );

         printf( "Enter how many seconds to spam\n" );
         printf( "> " );

         scanf( "%s", szTime );

         printf( "Spamming in 3 seconds...\n" );
         Sleep( 3000 );

         uStartCount = GetTickCount( );

         while( ( ( GetTickCount( ) - uStartCount ) / 1000 ) < (unsigned)atoi( szTime ) )
         {
            RandomizeBuffer( szBuffer, atoi( szLength ) );

            Type( szBuffer );
            keybd_event( VK_RETURN, 0, 0, 0 );

            iSent++;
         }

         printf( "Sent %d messages\n", iSent );

         break;
      case 2:
         printf( "Enter the message to spam( Please use a \\ instead of a space )\n" );
         printf( "> " );

         scanf( "%s", szBuffer );

         printf( "Enter how many seconds to spam\n" );
         printf( "> " );

         scanf( "%s", szTime );

         for( i = 0; i < (signed)strlen( szBuffer ); i++ )
         {
            if( szBuffer[ i ] == '\\' )
               szBuffer[ i ] = 0x20;
         }

         printf( "Spamming in 3 seconds...\n" );
         Sleep( 3000 );

         uStartCount = GetTickCount( );

         while( ( ( GetTickCount( ) - uStartCount ) / 1000 ) < (unsigned)atoi( szTime ) )
         {
            Type( szBuffer );
            keybd_event( VK_RETURN, 0, 0, 0 );

            iSent++;
         }

         printf( "Sent %d messages\n", iSent );

         break;
      case 3:
         printf( "Enter how many seconds to spam\n" );
         printf( "> " );

         scanf( "%s", szTime );

         ZeroMemory( szBuffer, sizeof( szBuffer ) );

         for( i = 0; i < 32; i++ )
            strcat( szBuffer, ":D " );

         printf( "Spamming in 3 seconds...\n" );
         Sleep( 3000 );

         uStartCount = GetTickCount( );

         while( ( ( GetTickCount( ) - uStartCount ) / 1000 ) < (unsigned)atoi( szTime ) )
         {
            Type( szBuffer );
            keybd_event( VK_RETURN ,0, 0, 0 );

            iSent++;
         }

         printf( "Sent %d messages\n", iSent );

         break;
      case 4:
         printf( "Bye....\n" );
         Sleep( 1000 );

         ExitProcess( 0 );
         break;
      default:
         if( !bCheckedMethods )
            printf( "Invalid choice\n" );

         break;
      }

      printf( "\n" );

      uStartCount = 0;
      iSent = 0;
   }
};

int main( )
{
   SetConsoleTitle( "IM Bomb by a59" );
   SetConsoleTextAttribute( GetStdHandle( STD_OUTPUT_HANDLE ), FOREGROUND_BLUE | FOREGROUND_INTENSITY );

   printf( "\t\t\tInstant Messenger Bomber by a59\n\n\n" );

   InterpretMethod( );

   return 0;
};