Linked by Hadrien Grasland on Sat 25th Jun 2011 08:55 UTC, submitted by John
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Member since:
2007-03-07
Ah. Another Mac fanboy who either doesn't want to admit it was a worm, or doesn't know what the definition of a worm is. Leap.A took advantage of a JPEG decoder vulnerability in iChat as others pointed out. And propegated by sending itself to other people in your iChat contact list. So yes, by definition, it was a worm.
It was a worm because one of the fake updates that it was possible to inject through it was the exploit tool itself, which would then turn the infected Mac into a fake update server that could infect other Macs. Again, it meets the definition of a worm.
It was seen in the wild. But as I said, not very often because Macs were not very common in the wild. It mostly infected corporate networks that had a lot of Macs running on them.