Wednesday, December 15, 2010

The 20-second challenge - Part III

Here is a quick post on how to check you don't have any malicious services running on your machine.

$ netstat -antup | grep LISTEN

It will list all sockets listening for connections on your machine, and the associated process. Check if there is no suspect telnet running...
Also, check your crontab:

$ crontab -l
$ crontab -e

List and edit weird jobs. Don't forget to do that for all users that can log in.

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