Hi
our PCs using win2000 pro w/sp4 and office xp w/sp3.
Recently, on 20 April and 3 May, we applied the windows
updates and office xp updates over the web. AFter that we
discovered abnormal traffic sent out every 10 minutes
from the PCs which were applied the updates. This 10
minutes seems hardened on somewhere and cannot be changed
even I set the clock of the PC. The abnormal traffic
started to sent out 10 minutes after the PC start up and
continue to sent until the PCs was shutdown. This traffic
trying to go to many different IP addresses and are all
go to 129.x.x.x network. I have used symantec antivirus
7.5.1 with latest virus definition (5/5/2004)to scan
those PCs but no virsu was found.
Below is a traffic denied by the firewall:
cifs[623378450]: access denied for xxx.xxx.xxx.xxx to
129.133.164.224 [default rule] [no rules found]
Statistics: duration=0.48 id=4lh98 srcif=Vpn3
src=xxx.xxx.xxx.xxx/1040 svsrc=yyy.yyy.yyy.yyy dstif=Vpn4
dst=129.133.164.224/139 proto=cifs (Access denied)
some of the destination site:
129.133.164.224
129.77.42.8
129.66.122.232
129.101.12.104
129.61.184.104
129.56.98.200
129.64.177.136
129.63.190.8
129.67.94.232
129.62.145.40
129.62.216.72
129.53.206.8
some-darbishire.some.ox.ac.uk
ingw129-37-64-40.ny.us.prserv.net
stu0073.keble.ox.ac.uk
micron.ece.northwestern.edu
Wireless.campus.uidaho.edu
ath102311.utep.edu
v1006ash208.sju.edu
A235168.N1.Vanderbilt.Edu
Any expert can help me to solve the problem?
Many many thanks