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Re: [LUG] Compromised :-(



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Mark McRitchie wrote:
| After I checked my email and had an unexpected security email informing me
| about a change to the open ports on one of my boxes, I discovered a small
| program running.
|
| The process was running under the apache user context and was executed as
| "./bind" I found the executable at /tmp/.install/bind
|
| Whats the best place to find more information on what this could be?
|
| Bah.
| Mark
|
| PS - Yes, I am going to reinstall the box. I've been planning it for a
| while, but this just pushed it up my priorities!
|

A good place to start would be the logs in /var/log these give all sorts
of info on connections to your box etc. I had an issue a while ago where
i hadn't updated sshd to use protocol version 2 only.. was broken in to,
lost a load of data.. BUT /var was intact :-) i reported the connecting
IP to my ISP along with copies of the logs.. then re-installed !

I personally tend to portscan my own box with nmap once in a while to
see if anything is open that shouldn't be, also netstat can prove useful.

Also consider installing a firewall device.. wether hardware or software
can prove efective in combating attacks. iptables/ipchains is what i
used to use before my ISP change to a nice friendly lot who provide me
with a firewall :-D (www.anlx.net).

Well i hope that helps.. if you have any more questions.. ask away...

Neil
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