Security Incidents mailing list archives

Re: Connection from unknown


From: Mike Worman <worman () NIC UMASS EDU>
Date: Mon, 23 Oct 2000 10:17:37 -0400

MyServer is a little known DDOS agent that was running around late in
the summer.
It binds to UDP 55850, and the rootkit installs trojans of ls and ps, so
you won't see
it running.  You WILL see it with netstat though.  The rootkit and ddos
tools are
stored in "/lib/   "

-mW

Piotr Kurys wrote:

Hello Everybody!

How do you think, what should or could or does such logs (/var/log/secure)
mean:

Oct 15 00:17:40 MyServer tcpd[982]: connect from unknown
Oct 15 00:17:40 MyServer tcpd[982]: warning: can't get client address:
                                      Socket operation on non-socket
Oct 15 00:17:40 MyServer tcpd[982]: connect from unknown
Oct 15 00:17:40 MyServer tcpd[982]: warning: can't get client address:
                                      Socket operation on non-socket
 .....  the same through a few minutes .....
Oct 15 00:17:40 MyServer tcpd[982]: connect from unknown
Oct 15 00:17:40 MyServer tcpd[982]: warning: can't get client address:
                                      Socket operation on non-socket
Oct 15 00:17:40 MyServer tcpd[982]: connect from unknown
Oct 15 00:17:40 MyServer tcpd[982]: warning: can't get client address:
                                      Socket operation on non-socket

Thank you very much for your help

Piotr

---------------------------------------------------------------------------
                             Peter In Person
---------------------------------------------------Cudowna jest Marylka!---

--
Mike Worman
Network Systems and Services
University of Massachussetts
worman () nic umass edu
(413) 545-9639


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