Re: id check returned root

[Joerg Over Dexia <over () dexia de>]

Hi there.

Am 23:28 27.01.2004 -0600 teilte Floyd Hartog mir folgendes mit:
->Date:    01/27 16:03:28     Name:    ATTACK RESPONSES id check
returned root
->Priority:    2     Type:    Potentially Bad Traffic
->IP info:     199.233.98.101:17335 -> XXX.XXX.XXX.XXX:25
->References:    none found    SID:     498
->
->Date:    01/27 16:52:21     Name:    ATTACK RESPONSES id check
returned root
->Priority:    2     Type:    Potentially Bad Traffic
->IP info:     205.206.231.26:56101 -> XXX.XXX.XXX.XXX:25
->References:    none found    SID:     498
->
->Hi
->I am a bit confused with the output from my snort logs, which
you see 
->above.  That looks bad, very bad.  But a whois seems to
indicate this is 
->the vulnwatch and securityfocus outgoing mail servers.  Am I
reading 
->this wrong?  Is this a snort bug, or a attack?  And what would
be the 
->correct response?  Thanks for your imput.  Floyd

I'd believe you get mails containing the string "uid=0(root)". 25
is you smtp port on host XXX.XXX.XXX.XXX which probably is your
mailserver. snort is just triggering on that string, because that
*can* indicate someone is issuing the "id" command after having
hacked the system. If above assumptions are correct and your
mailserver still works, I'd believe you're green.

hth, JO
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