[no subject]

James P. Kinney III wrote:

>On Wed, 2005-12-14 at 08:06 -0500, Christopher Fowler wrote:
>  
>
>>This is an attempt on one of my devices in colo.  At home I would not
>>mind so much but this is a corporate site so I need to put a procedure
>>in place so our support/admin staff can handle these attempts
>>professionally and leagally.  Anyone here have a similar procedure and
>>can give me insight?
>>
>>    
>>
>
>It depends on what the system is doing that is being attacked. If it is
>a financial system that could divulge personal info and cause much grief
>(i.e. - lawsuit) then only allow ssh from specific IP addresses AND
>require key access AND block password access AND log all other attempts
>in iptables AND document the attempts and forward them to the upstream
>provider of the would-be cracker.
>
>Due to the native power of a *nix system (as compared to a windblowz) I
>consider them to all be pretty much munitions grade hardware and as
>such, ANY AND ALL unauthorized access or use is treated as a serious
>criminal trespass.
>
>All edge systems need something like Tripwire for integrity checks and
>they must be used (i.e. verified against a known good record) daily.
>
>Policy: All attempts to gain access by unauthorized persons should be
>reported to the ISP of the unauthorized person with suitable legalize
>documentation demanding follow-up communication about what the ISP did
>and to whom.
>  
>
>>On Wed, 2005-12-14 at 07:52 -0500, Paul Cartwright wrote:
>>    
>>
>>>On Wed December 14 2005 7:40 am, Christopher Fowler wrote:
>>>      
>>>
>>>>What is the attempt here and how are they attempting?
>>>>
>>>>Dec 14 02:58:10 209.168.246.231 authpriv.info sshd[194]: Invalid
>>>>user testing from 68.120.97.218
>>>>Dec 14 02:58:10 209.168.246.231 authpriv.err sshd[194]: error: Could
>>>>not get shadow information for NOUSER
>>>>Dec 14 02:58:10 209.168.246.231 authpriv.info sshd[194]: Failed
>>>>password for invalid user testing from 68.120.97.218 port 59698 ssh2
>>>>        
>>>>
&gt;&gt;&gt;arin whois: <a  rel="nofollow" href="http://ws.arin.net/cgi-bin/whois.pl";>http://ws.arin.net/cgi-bin/whois.pl</a>
&gt;&gt;&gt;
&gt;&gt;&gt;shows that as an SBC user, you might want to report your logfile to :
&gt;&gt;&gt;
&gt;&gt;&gt;OrgAbuseHandle: ABUSE6-ARIN
&gt;&gt;&gt;OrgAbuseName:   Abuse - Southwestern Bell Internet 
&gt;&gt;&gt;OrgAbusePhone:  +1-800-648-1626
&gt;&gt;&gt;OrgAbuseEmail:  abuse at sbcglobal.net
&gt;&gt;&gt;      
&gt;&gt;&gt;
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</pre>
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<li><strong><a name="00170" href="msg00170.html">[ale] Hack of the month...</a></strong>
<ul><li><em>From:</em> cfowler at outpostsentinel.com (Christopher Fowler)</li></ul></li>
<li><strong><a name="00174" href="msg00174.html">[ale] Hack of the month...</a></strong>
<ul><li><em>From:</em> paul_tbot at pcartwright.com (Paul Cartwright)</li></ul></li>
<li><strong><a name="00175" href="msg00175.html">[ale] Hack of the month...</a></strong>
<ul><li><em>From:</em> cfowler at outpostsentinel.com (Christopher Fowler)</li></ul></li>
<li><strong><a name="00179" href="msg00179.html">[ale] Hack of the month...</a></strong>
<ul><li><em>From:</em> jkinney at localnetsolutions.com (James P. Kinney III)</li></ul></li>
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