Weird log entries...

From: Josh Diakun (joshdat_private)
Date: Thu Mar 28 2002 - 02:06:33 PST

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    Hello All,
    
    I was just shifting through my apache access log file and found some weird
    entries that caught my attention.   After a quick search on the security focus
    mailing list archives I was unable to come up with anything...so maybe someone
    out there could be of some help to explain to me what bug these users are
    trying to exploit.  Here's the log entries:
    
    216.133.249.14 - - [25/Mar/2002:03:28:09 -0500] "CONNECT 151.189.12.20:6669
    HTTP/1.0" 401 469
    66.140.25.157 - - [25/Mar/2002:03:32:05 -0500] "CONNECT 198.186.203.27:6667
    HTTP/1.0" 401 469
    130.228.230.161 - - [25/Mar/2002:23:20:56 -0500] "CONNECT 151.189.12.20:6669
    HTTP/1.0" 401 469
    130.228.230.161 - - [26/Mar/2002:03:30:48 -0500] "CONNECT 151.189.12.20:6669
    HTTP/1.0" 401 469
    193.109.122.5 - - [26/Mar/2002:09:46:19 -0500] "CONNECT 193.109.122.7:2048/
    HTTP/1.1" 400 344
    217.10.143.54 - - [26/Mar/2002:16:38:40 -0500] "CONNECT 151.189.12.20:6669
    HTTP/1.0" 401 469
    66.140.25.157 - - [26/Mar/2002:16:56:07 -0500] "CONNECT 198.186.203.27:6667
    HTTP/1.0" 401 469
    217.10.143.54 - - [27/Mar/2002:00:49:18 -0500] "CONNECT 151.189.12.20:6669
    HTTP/1.0" 401 469
    217.10.143.54 - - [27/Mar/2002:02:20:27 -0500] "CONNECT 151.189.12.20:6669
    HTTP/1.0" 401 469
    
    
    And then of course there were many, many other entries of the same sort.  I
    understand the basics of what they are trying to accomplish (connecting to an
    outside source through my machine...in most of these cases, and IRC
    server)...but Ive never really seen this bug, except for the multiple hits
    over the last two/three weeks.  If someone could care to elaborate, that would
    be greatly appreciated.  Thanks in advance.
    
    Sincerely,
    
    Josh Diakun
    ACPO Development Team Member
    http://www.antichildporn.org
    http://www.joshd.ca
    
    
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