[Full-Disclosure] RPC DCOM footprints

["Michael De La Cruz" <delacruzma@msn.com>]

Hello all,

     Just in case some other security professionals are looking at 
identifying if their boxes have been exploited, I've typed up some 
occurences after a successful DCOM exploit.

     - Windows XP SP 0 (haven't tried it on SP 1 yet)
       Generates a System Shutdown message after a disconnect.  The message 
indicates that Windows must now restart because the RPC service terminated 
unexpectedly.

     - Windows 2000 Professional all SP's
       A Service Control Manager error is reported on the Application Logs 
with a message ID of 7031 indicating that RPC terminated unexpectedly.  The 
W2K boxes I've tested this on didn't allow me to view the event logs after 
exploitation.  A few mmc.exe error messages also appeared.  A quick reboot 
appeared alleviate the event log viewing issue.

*Note* This is using the final universal DCOM exploit that was found on 
http://cyruxnet.com.ar/rpcxploit2.htm.  I've heard there is an exploit that 
does not crash the port though, so an error may not be generated with that 
exploit.

     I'll try to include any new effect I manage to gather from my tests.  
Did anyone else experience these types of behaviors?  Thanks.

Michael De La Cruz
Information Security Officer
delacruzma@msn.com

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