Security Market Segment LS
Wednesday, 25 July 2012 09:47

Another month, another piece of Mac malware

By

Mac security specialist Intego says it has found a new Mac Trojan, which it has dubbed OSX/Crisis.

The company says it found Crisis on the VirusTotal website, which uses multiple AV engines to check user-submitted files and URLs.

Like later versions of Flashback, Crisis does not require the user to enter an admin password as it installs.

However, its behaviour does vary slightly depending on whether the user has admin permissions.

Intego is still working on a detailed analysis, but the Trojan does install a rootkit to conceal its presence, and a backdoor that 'phones home' to 176.58.100.37 every five minutes.

Crisis is said to work only on Mac OS X 10.6 Snow Leopard and 10.7 Lion. It has not been seen in the wild.

Intego has updated VirusBarrier X6 to detect both the dropper and backdoor components, and to block connections to 176.58.100.37.

Other security vendors will most likely follow suit.


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Stephen Withers

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Stephen Withers is one of Australia¹s most experienced IT journalists, having begun his career in the days of 8-bit 'microcomputers'. He covers the gamut from gadgets to enterprise systems. In previous lives he has been an academic, a systems programmer, an IT support manager, and an online services manager. Stephen holds an honours degree in Management Sciences and a PhD in Industrial and Business Studies.

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