As per 9to5Mac - https://9to5mac.com/2017/07/25/mac-malware-teenager-theory/
“A security researcher has discovered a piece of Mac malware that allows an attacker to activate the webcam to take photos, take screenshots and capture keystrokes.”
However...
“Wardle informed law enforcement officials, and the hardcoded domains have been shut down, neutralizing the threat for now. The researcher has passed details to Apple, and will be speaking more about the malware at the Black Hat Security Conference in Las Vegas, where we’ll also hear more details about the serious wifi vulnerability fixed in iOS 10.3.3.”
“A security researcher has discovered a piece of Mac malware that allows an attacker to activate the webcam to take photos, take screenshots and capture keystrokes.”
However...
“Wardle informed law enforcement officials, and the hardcoded domains have been shut down, neutralizing the threat for now. The researcher has passed details to Apple, and will be speaking more about the malware at the Black Hat Security Conference in Las Vegas, where we’ll also hear more details about the serious wifi vulnerability fixed in iOS 10.3.3.”