Shellcode Loader Abusing callback to run shellcode. Overview Eksekusi shellcode dengan waveOutOpen. MMRESULT waveOutOpen(LPHWAVEOUT phwo, UINT uDeviceID, LPCWAVEFORMATEX pwfx, DWORD_PTR dwCallback, DWORD_PTR dwInstance, DWORD fdwOpen); Reference MSDN waveOutOpen MSDN structure WAVEFORMATEX