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</o:shapelayout></xml><![endif]--></head><body bgcolor=white lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='color:#1F497D'>I appreciate your 2-cents worth.<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>However, I do not believe they have access to machine<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>If so, they are clever to create three failures in the logs for my benefit before entering the correct one for hijacking.<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>Additionally, I have a lot of sip extensions to hijack and he keeps going for the same one.<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'> I was hoping this was something with the MP-118 and someone experienced the same thing with that device.<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>Either way, I posed two questions which are still unanswered and probably I will never get answered: <o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>1 – is this a vulnerability in the MP-118<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>2 – what method could they possibly be using to hijack a number-alpha extension which is creative to begin with ie) 203-Joes_Insurance_Service with an openssl generated password of 12 characters.<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>Thanks,<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>--E<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext'> asterisk-users-bounces@lists.digium.com [mailto:asterisk-users-bounces@lists.digium.com] <b>On Behalf Of </b>Larry Moore<br><b>Sent:</b> Saturday, January 21, 2012 1:34 AM<br><b>To:</b> Asterisk Users Mailing List - Non-Commercial Discussion<br><b>Subject:</b> Re: [asterisk-users] Sip Registration Hijacking<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>On 20/01/2012 9:36 AM, eherr wrote: <o:p></o:p></p><p class=MsoNormal>I have a honey pot box with extensions that are not just numbers ie )<o:p></o:p></p><p class=MsoNormal> <o:p></o:p></p><p class=MsoNormal>100-MySipUserName<o:p></o:p></p><p class=MsoNormal> <o:p></o:p></p><p class=MsoNormal>And the passwords are from an openssl generated password ie)<o:p></o:p></p><p class=MsoNormal> <o:p></o:p></p><p class=MsoNormal>Gq5VNIjDFWIQoUT6<o:p></o:p></p><p class=MsoNormal> <o:p></o:p></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><br>Is the password stored in sip.conf in plain text or as an MD5?<br><br>If it is stored in plain text then it may suggest the hijacker has greater access to your system than you realise.<br><br>My 2-cents worth.<o:p></o:p></span></p></div></body></html>