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Fwd: Re: Code Red variants

daemon@ATHENA.MIT.EDU (Jeff Ogden)
Sun Aug 5 10:19:39 2001

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Date: Sun, 5 Aug 2001 10:18:56 -0400
To: nanog@merit.edu
From: Jeff Ogden <jogden@merit.edu>
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FYI
 
>Date: Sat, 04 Aug 2001 20:16:55 -0700
>To: Jeff Ogden <jogden@merit.edu>
>From: John Moore <misclists@tinyvital.com>
>Subject: Re: Code Red variants
>
>At 07:48 PM 8/4/2001, you wrote:
>
>>Do we know if anyone has looked at the code for variants of the 
>>worn in detail recently?  I've seen announcements about new 
>>versions with better random IP address generation.  Does anyone 
>>know if other aspects of the worm are the same?  Is it still set to 
>>spread itself until the 19th and then switch to attacking the IP 
>>address that was once www1.whitehouse.gov or are their variants 
>>with different dates and different IP address or attack scenarios?
>
>
>Jeff,
>        I tried sending info to the list but may not have posting 
>priveleges. Anyway, you can relay this.
>
>I have a home system on Sprint Broadband, with a little sniffer on 
>port 80 to see the full payload of what is coming in. Starting this 
>morning a new variant of CodeRed started hitting, with a lot more 
>frequency than I ever saw from the original.
>
>This variant has the text "CodeRedII" in the payload. It also has 
>the names of the windows registry entries you would want to hit to 
>install a rebootable trojan. It does not have any domain name in it, 
>and nothing about "Hacked by Chinese." It has XXXXXXXXXXXXXXXXXXX in 
>the payload instead of NNNNNNNNNNNNNNn
>
>The class A domain with by far the greatest number of hits belongs to Sprint.
>
>I dumped some statistics on which class A prefixes had at least 
>three hits. I also dumped the total number of CodeRedII hits by hour.
>
>I don't have time to disassemble it - I am just watching out of 
>curiousity, so I don't know what else it is doing.
>
>here are my hourly stats so far. Time is GMT.
>
>08040113    1
>08040114    4
>08040115   10
>08040116    5
>08040117   13
>08040118   10
>08040119   12
>08040120    9
>08040121   18
>08040122   15
>08040123   16
>08050100   18
>08050101   20
>08050102   26
>
>Here is the domain breakdown:
>Class A    #
>    168    3
>    112    3
>    249    3
>      ?    21
>    221   80
>     43    3
>    190    4
>
>Feel free to mention this to the list if you want, since my mail is 
>not getting through.
>
>Thanks
>
>John
>
>
>
>
>John Moore
>
>john@tinyvital.com  -  http://www.tinyvital.com/
>Tiny Vital Software, Inc
>
>The only good weather is bad weather!
>Storm Chasing - the Best extreme sport!
>
>(SKYWARN,ARRL,AZ AMS,AZTC,NJ7E)


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