MS IIS 5 server is hacked leaving undeletable folders and files

From: Don Phillipe (donphillipeat_private)
Date: Tue Dec 31 2002 - 09:05:27 PST

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    I have a small server I use for my home business and use it mainly for
    anyone who needs to send a large file that will not go through email.  I
    have an anonymous UPLOAD FTP account that I open up to receive these.  From
    time to time I forget and leave this open (I know this is stupid but I
    thought I could just erase anything that was put there because the small
    drive would fill up real soon).  However, I see someone has hacked into my
    server and put a bunch of trash that I cannot delete because when I try to
    delete it, Windows 2K says "cannot find the specified file".   I have spent
    2 days researching this and cannot find any reference of how to correct
    this.   I did find some reference to looking at the security tab for these
    files but the security tab is missing!  I found some tools which are
    supposed to set owners for files and they don't work on these files.   Here
    is the log from where the hacker attacked below.  Any help would be
    appreciated.  I don't want to have to rebuild my server if possible:
    
     
    
    #Software: Microsoft Internet Information Services 5.0
    
    #Version: 1.0
    
    #Date: 2002-12-30 06:38:21
    
    #Fields: time c-ip cs-method cs-uri-stem sc-status 
    
    06:38:21 80.11.214.63 [1]USER anonymous 331
    
    06:38:21 80.11.214.63 [1]PASS anonymousat_private 230
    
    06:38:24 80.11.214.63 [1]sent
    /upload/com3+/lpt2+/com3+/d/%15%20%d%D_FCT+/f/.GR+/h/aux+/j/%15%20%+by+Lorg%
    d%D+/divx/rpc-acb.043 550
    
    06:54:31 80.11.214.63 [1]created rpc-acb.043 226
    
    06:54:32 80.11.214.63 [1]sent
    /upload/com3+/lpt2+/com3+/d/%15%20%d%D_FCT+/f/.GR+/h/aux+/j/%15%20%+by+Lorg%
    d%D+/divx/rpc-acb.044 550
    
    07:10:38 80.11.214.63 [1]created rpc-acb.044 226
    
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