Re: annoying ftp probes

From: Jason Spence (thalakanat_private)
Date: Mon Aug 20 2001 - 11:20:08 PDT

  • Next message: Mike Eheler: "Re: annoying ftp probes"

    On Mon, Aug 20, 2001 at 10:33:03AM +0000, Emil Popov said: 
    > Hi,
    > 
    > I have been getting some annoying connections to my ftpd like:
    > 
    > Aug 20 07:58:28 ds ftpd[7527]: connection from cc821361-d.vron1.nj.home.com
    > Aug 20 07:58:29 ds ftpd[7527]: ANONYMOUS FTP LOGIN FROM cc821361-d.vron1.nj.home.com, guestat_private
    > Aug 20 07:58:30 ds ftpd[7527]: mkdir 010820012936p
    > Aug 19 06:37:34 ds ftpd[20081]: connection from ip-90-202.evc.net
    > Aug 19 06:37:35 ds ftpd[20081]: ANONYMOUS FTP LOGIN FROM ip-90-202.evc.net, guestat_private
    > Aug 19 06:37:36 ds ftpd[20081]: mkdir 010819061100p
    
    I've been seeing the same thing, although with different anonymous
    passwords and directories being created.  My honeypot is currently
    being fought over by a couple k1dd3s who just learned about rmdir and
    are trying to wipe each other's warez from the box.
    
    > they are comming from various ISP's at random time intervals.  I
    > seems that this is some scanner that searches for world-writable ftp
    > sites, and since those requests have been comming from *almost*
    > random hosts, i am only able to cumulatively add whole isp domains
    > to my hosts.deny. I added a responce line i.e. an instant nmap to
    > those guys, and up to now my nmap resulted in scanning either the
    > firewall of the isp, or a windows machine ( win :), they may soon
    > get an automated dos if they keep on :)) ).
    >
    > So i presume it's i win tool.
    
    Yeah, I've noticed that they're all on windows boxes.
    
    > Any Idea what the tool is?
    > Any Idea of a better defence (not that my site is world-writable but anyway..)
    
    Dunno, but it's not showing up in the first few pages of a search for
    "anonymous ftp scanner" on Google.
    
     - Jason
    
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