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What is a tool used for hiding a message in an audio file?
OpenStego
Crypture
Xiao Steganography
Steghide
rSteg
Xiao Steganography and Steghide both support image and audio output. Crypture, rSteg and OpenStego only support image output.
Source http://resources.infosecinstitute.com/steganography-and-tools-to-perform-steganography/
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