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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='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>We set up our servers to allowguest=yes and autocreatepeer=yes and use a global context setting to point any of those calls to an IVR jail. Attempts stop reasonably quickly.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>An empty "room" with an unlocked "door" is far less interesting than a room with the door locked. <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";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>Rainer Piper<br><b>Sent:</b> Friday, October 03, 2014 1:53 PM<br><b>To:</b> Asterisk Users Mailing List - Non-Commercial Discussion<br><b>Subject:</b> Re: [asterisk-users] PBX hacked: why hundred of calls to the same number ?<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>the attacking server changed the destination Number at 18:53 CEST and he is still blocked ... LOL <br><br><o:p></o:p></p><pre><a href="callto:00972597438354" title="Als Telefonnummer verwenden"><span style='color:#00001F;background:#FFFFDF'>972597438354</span></a><o:p></o:p></pre><p class=MsoNormal><br><br><o:p></o:p></p><pre>Oct 3 18:53:17 server /sbin/kamailio[3977]: NOTICE: <script>: blocking IP 62.210.149.136 sipcli/v1.8 rm=INVITE aU=<null> rU=<a href="callto:00972597438354" title="Als Telefonnummer verwenden"><span style='color:#00001F;background:#FFFFDF'>00972597438354</span></a><o:p></o:p></pre><pre>Oct 3 19:06:37 server /sbin/kamailio[3978]: NOTICE: <script>: blocking IP 62.210.149.136 sipcli/v1.8 rm=INVITE aU=<null> rU=000972597438354<o:p></o:p></pre><pre>Oct 3 19:19:45 server /sbin/kamailio[3977]: NOTICE: <script>: blocking IP 62.210.149.136 sipcli/v1.8 rm=INVITE aU=<null> rU=972597438354<o:p></o:p></pre><pre>Oct 3 19:32:59 server /sbin/kamailio[3978]: NOTICE: <script>: blocking IP 62.210.149.136 sipcli/v1.8 rm=INVITE aU=<null> rU=*000972597438354<o:p></o:p></pre><pre>Oct 3 19:46:20 server /sbin/kamailio[3977]: NOTICE: <script>: blocking IP 62.210.149.136 sipcli/v1.8 rm=INVITE aU=<null> rU=100972597438354<o:p></o:p></pre><p class=MsoNormal><br><br><br>Am 03.10.2014 um 14:52 schrieb Rainer Piper:<o:p></o:p></p></div><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><div><p class=MsoNormal>Am 02.10.2014 um 15:40 schrieb Tzafrir Cohen:<o:p></o:p></p></div><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><pre>On Thu, Oct 02, 2014 at 07:52:34AM +0200, Rainer Piper wrote:<o:p></o:p></pre><pre><o:p> </o:p></pre><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><pre>Is the destination Number like Country Code +972?<o:p></o:p></pre><pre><o:p> </o:p></pre><pre>+972 59 xxxxxx(x) mobile - Jawall [moving to 7-digit subscriber numbers]<o:p></o:p></pre><pre><o:p> </o:p></pre><pre>source - <a href="http://www.wtng.info/wtng-972-il.html">http://www.wtng.info/wtng-972-il.html</a><o:p></o:p></pre></blockquote><pre>That page is slightly dated. +972 59 XXXXXXX are all the numbers in the<o:p></o:p></pre><pre>Palestinian Authority (there are several providers besides Jawall).<o:p></o:p></pre><pre><o:p> </o:p></pre><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><pre>My SIP Proxy logs all the unauth. INVITEs and I found the a lot<o:p></o:p></pre><pre>calls go to the Country code +972 xxxxxxxxxxx<o:p></o:p></pre></blockquote><pre>As a resident of +972 (+972-4), I'll just note that those hack attempts<o:p></o:p></pre><pre>are typically related to PA numbers (+972-59) as rates there are higher.<o:p></o:p></pre><pre><o:p> </o:p></pre></blockquote><p class=MsoNormal>Hi Tzafrir,<br><br>ok, the page <a href="http://www.wtng.info">www.wtng.info</a> is not really up to date.<br><br>here some logs to see the variations of the attempt to dial over my proxy<br><br><br><o:p></o:p></p><pre>Oct 3 11:23:06 server /sbin/kamailio[7217]: NOTICE: <script>: blocking IP 69.30.254.234 sipcli/v1.8 rm=INVITE aU=<null> rU=<a href="callto:00972592910519" title="Als Telefonnummer verwenden"><span style='color:#00001F;background:#FFFFDF'>00972592910519</span></a><o:p></o:p></pre><pre>Oct 3 11:42:52 server /sbin/kamailio[7218]: NOTICE: <script>: blocking IP 69.30.254.234 sipcli/v1.8 rm=INVITE aU=<null> rU=972592910519<o:p></o:p></pre><pre>Oct 3 11:53:15 server /sbin/kamailio[7217]: NOTICE: <script>: blocking IP 69.30.254.234 sipcli/v1.8 rm=INVITE aU=<null> rU=700972592910519<o:p></o:p></pre><pre>Oct 3 12:06:32 server /sbin/kamailio[7218]: NOTICE: <script>: blocking IP 69.30.254.234 sipcli/v1.8 rm=INVITE aU=<null> rU=200972592910519<o:p></o:p></pre><pre>Oct 3 12:20:04 server /sbin/kamailio[7217]: NOTICE: <script>: blocking IP 69.30.254.234 sipcli/v1.8 rm=INVITE aU=<null> rU=#<a href="callto:00972592910519" title="Als Telefonnummer verwenden"><span style='color:#00001F;background:#FFFFDF'>00972592910519</span></a><o:p></o:p></pre><pre>Oct 3 12:32:53 server /sbin/kamailio[7218]: NOTICE: <script>: blocking IP 69.30.254.234 sipcli/v1.8 rm=INVITE aU=<null> rU=*000972592910519<o:p></o:p></pre><pre>Oct 3 12:45:35 server /sbin/kamailio[7217]: NOTICE: <script>: blocking IP 69.30.254.234 sipcli/v1.8 rm=INVITE aU=<null> rU=*972592910519<o:p></o:p></pre><pre>Oct 3 12:57:42 server /sbin/kamailio[7217]: NOTICE: <script>: blocking IP 69.30.254.234 sipcli/v1.8 rm=INVITE aU=<null> rU=9999900972592910519<o:p></o:p></pre><pre>Oct 3 13:09:37 server /sbin/kamailio[7218]: NOTICE: <script>: blocking IP 69.30.254.234 sipcli/v1.8 rm=INVITE aU=<null> rU=7700972592910519<o:p></o:p></pre><pre>Oct 3 13:21:24 server /sbin/kamailio[7217]: NOTICE: <script>: blocking IP 69.30.254.234 sipcli/v1.8 rm=INVITE aU=<null> rU=66600972592910519<o:p></o:p></pre><pre>Oct 3 13:33:11 server /sbin/kamailio[7218]: NOTICE: <script>: blocking IP 69.30.254.234 sipcli/v1.8 rm=INVITE aU=<null> rU=555500972592910519<o:p></o:p></pre><p class=MsoNormal>and the source IP <o:p></o:p></p><pre>69.30.254.234<o:p></o:p></pre><p class=MsoNormal>is coming from <br><br><o:p></o:p></p><pre>OrgName: WholeSale Internet, Inc.<o:p></o:p></pre><pre>OrgId: WHOLE-125<o:p></o:p></pre><pre>Address: 324 E. 11th St.<o:p></o:p></pre><pre>Address: Suite 1000<o:p></o:p></pre><pre>City: Kansas City<o:p></o:p></pre><pre>StateProv: MO<o:p></o:p></pre><pre>PostalCode: 64106<o:p></o:p></pre><pre>Country: US<o:p></o:p></pre><p class=MsoNormal style='margin-bottom:12.0pt'>very strange ;-)<br><br><o:p></o:p></p><div><p class=MsoNormal>-- <br><b>Rainer Piper</b> <br>Integration engineer <br>Koeslinstr. 56 <br>53123 BONN <br>GERMANY <br>Phone: <a href="callto:004922897167161" title="Als Telefonnummer
verwenden"><span style='color:#00001F;background:#FFFFDF'>+49 228 97167161</span></a> <br>P2P: <a href="sip:rainer@sip.soho-piper.de:5072">sip:rainer@sip.soho-piper.de:5072</a> (pjsip-test) <br>XMPP: <a href="mailto:rainer@xmpp.soho-piper.de">rainer@xmpp.soho-piper.de</a><o:p></o:p></p></div><p class=MsoNormal><br><br><o:p></o:p></p></blockquote><p class=MsoNormal style='margin-bottom:12.0pt'><o:p> </o:p></p><div><p class=MsoNormal>-- <br><b>Rainer Piper</b> <br>Integration engineer <br>Koeslinstr. 56 <br>53123 BONN <br>GERMANY <br>Phone: +49 228 97167161 <br>P2P: <a href="sip:rainer@sip.soho-piper.de:5072">sip:rainer@sip.soho-piper.de:5072</a> (pjsip-test) <br>XMPP: <a href="mailto:rainer@xmpp.soho-piper.de">rainer@xmpp.soho-piper.de</a><o:p></o:p></p></div></div></body></html>