Malicious software that targets Mac OS X systems is rare and has been limited largely to proof-of-concept code, instead of actual attacks. "This particular sample successfully launched the Mac's Web browser when we used any of a number of applications." "In theory, this program could be silently installed to your user account and hooked to each application you use," according to the F-Secure blog. The program is a proof-of-concept sent to F-Secure and it is not out targeting users on the Internet. "We won't disclose the exact technique used here, it's a feature not a bug, but let's just say that installing a System Library shouldn't be allowed without prompting the user," according to the F-Secure blog on Thursday.
It is especially interesting since it doesn't require administrative privileges to nestle itself on the computers, according to F-Secure. The program, dubbed iAdware by the Finnish security company, is possibly the first example of adware for Macs. A new adware program silently installs on Mac OS X systems and opens Web browser windows, according to F-Secure.
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