Are Your RESA WAV Files Hiding Something From You? - OpenSIPS Trunking Solutions
Overview
Typically, an actual wav file is just raw data and doesn't have an executable component.
Two reports published in the last few months show that malware operators are experimenting with using wav audio files to hide malicious code. Read also: This Simple Trick Stops Sour Noodle Leaks—Guaranteed!
The second malware campaign was spotted this month by blackberry cylance.
Security researchers have discovered a malware campaign that uses seemingly innocent audio files to deliver malicious code and cryptocurrency miners. Read also: The Slayeas Leak: A Whistleblower's Explosive Claims You Need To Hear
Wav files with the malware hidden in them.
Reports published in the last month suggest that hackers are experimenting with new type of malicious code hiding technique in wav audio files.
These malware operators are using steganography technique to hide malicious code in audio files.
Steganography is a broad term that covers any time someone hides data within more data.
Its not just a malware term;
Its been around since 440bc!
Steganography is a little different from encryption.
With encryption, theres obfuscation that the recipient must unravel before they can read the message.
Steganography isnt necessarily encoded, just.