Thread: Server Hacked?
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Old 17th January 2012, 11:05
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Most likely one of yor websites has a bug in a cms system or contact form so that spammers can use that to send spam trough your server. So its likely that the server itself is not hacked and you have just a vulnerable website.

To check if your server itself is hacked, use rkhunter:

rkhunter --update
rkhunter -c
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