Wav file steganography

1. Can a .wav file be malicious?
2. What files can be used for steganography?
3. How is steganography used with audio files?

Can a .wav file be malicious?

According to ZDNet, there have been two recent instances where malicious code has been found lurking beneath the surface in WAV audio files using a process of 'hiding' the malicious code called steganography. "Using steganography has been popular with malware operators for more than a decade.

What files can be used for steganography?

The most commonly used image formats as cover data are; BMP, PNG, JPEG, TIFF, and GIF(Kamble et al., 2013). Image steganography uses the weaknesses of the human visual system (HVS). Audio SteganographyThis method hides data inside sound files. This method uses audio file formats such as WAV, AU, and MP3 as cover data.

How is steganography used with audio files?

Audio Steganography is a technique used to transmit hidden information by modifying an audio signal in an imperceptible manner. It is the science of hiding some secret text or audio information in a host message. The host message before steganography and stego message after steganography have the same characteristics.