[Dshield] Code Red Reinfection After Patch Installed

Chew, Freeland (Roanoke) FChew at ecpi.edu
Sat Jul 21 18:04:05 GMT 2001


  I am Freeland Chew, MIS head at ECPI Technical College in Roanoke

  I run a Windows 2000 Exchange server that was compromised by Code Red
early on the 20th; I assumed because I neglected to reinstall the patch
after I had installed Service Pack 2.

  After the compromise was discovered I took the machine of the network,
rebooted it and reinstalled all patches including the buffer overflow that
Code Red uses.

  At least 8 hours later, my log files tell me that the machine has been

  I have double checked and I am sure I installed the correct patch both
times.  I am a contributer to the www.dshield.org so I pay attention to
these things and I am quite convinced this reinfection is not an IO (Idiot
Operator) error.

  Has anyone else reported anything that suggests the the patch might not be
fully effective? 

  Freeland Chew 

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