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<div class="moz-cite-prefix">Hi Eric<br>
<br>
I like your approach.<br>
I think about stateless redirect the bad boy to the NSA- or
Pentagon-IVR<br>
LOL<br>
<br>
<br>
Am 03.10.2014 um 20:01 schrieb Eric Wieling:<br>
</div>
<blockquote
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<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">
<a class="moz-txt-link-abbreviated" href="mailto:asterisk-users-bounces@lists.digium.com">asterisk-users-bounces@lists.digium.com</a>
[<a class="moz-txt-link-freetext" href="mailto:asterisk-users-bounces@lists.digium.com">mailto:asterisk-users-bounces@lists.digium.com</a>] <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 moz-do-not-send="true" 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 moz-do-not-send="true" 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 moz-do-not-send="true" 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 moz-do-not-send="true"
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 moz-do-not-send="true" 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 moz-do-not-send="true" 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 moz-do-not-send="true"
href="callto:004922897167161" title="Als Telefonnummer
verwenden"><span
style="color:#00001F;background:#FFFFDF">+49 228
97167161</span></a> <br>
P2P: <a moz-do-not-send="true"
href="sip:rainer@sip.soho-piper.de:5072">sip:rainer@sip.soho-piper.de:5072</a>
(pjsip-test) <br>
XMPP: <a moz-do-not-send="true"
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 moz-do-not-send="true"
href="sip:rainer@sip.soho-piper.de:5072">sip:rainer@sip.soho-piper.de:5072</a>
(pjsip-test) <br>
XMPP: <a moz-do-not-send="true"
href="mailto:rainer@xmpp.soho-piper.de">rainer@xmpp.soho-piper.de</a><o:p></o:p></p>
</div>
</div>
<br>
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<br>
</blockquote>
<br>
<br>
<div class="moz-signature">-- <br>
<b>Rainer Piper</b>
<br>
Integration engineer
<br>
Koeslinstr. 56
<br>
53123 BONN <br>
GERMANY
<br>
Phone: +49 228 97167161
<br>
P2P: <a class="moz-txt-link-freetext" href="sip:rainer@sip.soho-piper.de:5072">sip:rainer@sip.soho-piper.de:5072</a> (pjsip-test)
<br>
XMPP: <a class="moz-txt-link-abbreviated" href="mailto:rainer@xmpp.soho-piper.de">rainer@xmpp.soho-piper.de</a></div>
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