RE: MS IIS 5 server is hacked leaving undeletable folders and fil es

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From: David Vincent <david.vincent@mightyoaks.com>
To: 'Don Phillipe' <donphillipe@hotmail.com>, incidents@securityfocus.com
Date: Thu, 2 Jan 2003 09:31:58 -0800 

try a "dir /x" command to get the dos 8.2 filenames, then you can use gool
'ol "del filname" to get rid of 'em.

i've had to clean up a few ftp servers from attacks like these, no thanks to
the dopes on t-ipnet.de who put them there. you'd think if they were going
to trade movies they'd be either pr0n or something recent.

-d

-----Original Message-----
From: Don Phillipe [mailto:donphillipe@hotmail.com]
Sent: Tuesday, December 31, 2002 9:05 AM
To: incidents@securityfocus.com
Subject: MS IIS 5 server is hacked leaving undeletable folders and files

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 anonymous@on.the.net 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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