Msgbox shellcode in 79 bytes

msgbox_shellcode79.c

unsigned char shell[79] = {
    0x33, 0xD2, 0x52, 0x68, 0x4D, 0x30, 0x53, 0x41, 0x54, 0x52, 0x64, 0x8B,
    0x72, 0x30, 0xB2, 0x21, 0x4A, 0x8B, 0x74, 0x32, 0xEC, 0x8B, 0x74, 0x32,
    0xEC, 0xAD, 0x8B, 0x30, 0x8B, 0x7E, 0x18, 0x8B, 0x5F, 0x3C, 0x8B, 0x5C,
    0x3B, 0x78, 0x03, 0xD3, 0x8B, 0x34, 0x3A, 0x03, 0xF7, 0x8B, 0x4C, 0x3B,
    0x24, 0x03, 0xCF, 0x33, 0xD2, 0x0F, 0xB7, 0x2C, 0x51, 0x42, 0xAD, 0x81,
    0x3C, 0x38, 0x46, 0x61, 0x74, 0x61, 0x75, 0xF1, 0x8B, 0x74, 0x3B, 0x1C,
    0x03, 0xF7, 0x03, 0x3C, 0xAE, 0xFF, 0xD7
};