Re: Strange Message

From: Gary Flynn (flynngnat_private)
Date: Fri Oct 11 2002 - 14:40:59 PDT

  • Next message: Jason Robertson: "RE: Strange Message"

    Gary Flynn wrote:
    >  
    > BTW. It doesn't come through netbios. We've got ports 137-139 and
    > 445 blocked and we've seen it.
    > 
    > It comes from the Windows Messenger service. This service is
    > an RPC service. Client contact the RPC port (135) which then
    > tells the client which high port the Messenger service is
    > listening on. The Messenger service runs by default on NT,
    > 2k, and XP computers. One site I looked at said it runs
    > as service.exe.
    
    Correction. svchost.exe
    
    A high UDP port opens from this process when I send a message
    locally.
    
    -- 
    Gary Flynn
    Security Engineer - Technical Services
    James Madison University
    
    Please R.U.N.S.A.F.E.
    http://www.jmu.edu/computing/runsafe
    
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