Macworld - Macintosh security specialists Intego today issued a security warning to its customers for the first Trojan horse to affect Mac OS X. Dubbed MP3Concept (MP3Virus.Gen), the Trojan horse exploits a weakness in Mac OS X where applications can appear to be other types of files, according to the company.
Intego said that the code is hidden in the ID3 tag of the MP3 file. The code will only activate when clicked, but once it is, Intego warns that the Trojan horse has the potential to delete all of a user's personal files; send an e-mail message containing a copy of itself to other users; and infect other MP3, JPEG, GIF or QuickTime files.
Intego also said that the same technique could be used to infect .jpg or .gif files, although no such cases have been found. Intego has released updated virus definitions to combat the Trojan horse.
At the time this story was posted, Symantec Corp. had no information on its Web site about the Trojan horse.
Representatives from Apple were not immediately available for comment.
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