[VoiceOps] looking for advice on international fraud that took place via an Edgemarc 200EW with FXO line installed

Fri Nov 1 17:30:39 EDT 2013

List,

The problem was I missing a check box labeled:

"Limit Inbound to listed Proxies / SIP Servers"

Under the SIP settings page.

This was my first Edgemarc that had the survivability license with
it so it took some playing around to get everything to work. I must
have unchecked it while trying to fix an issue during setup and never
came back to it.

No problem found. Operator error that probably cost G4 $300 bucks
easy on toll charges.

Thank you all for responding. Now I just need a way to get revenge
on the hacker. Anyone have any contacts in the Gaza Strip? :-(

I know this has been discussed here before but why in the world
would a Palestinian be calling Grenada? How does one make money off
that situation. Sigh...

matt at g4.net

On Fri, 1 Nov 2013, Matt Yaklin wrote:

>
> I think you are on the right track.
>
> I was reading the manual just now trying to figure out how
> or where 1001 comes from. Perhaps that does not even matter.
> You could make up anything.
>
> I am just not seeing how I tell this edgemarc box to stop
> allowing it yet short of using a firewall feature that this
> box does not have like the newest 13.x firmware does. Maybe
> it is hidden or people used the pass through rule set.
>
> matt
>
> On Fri, 1 Nov 2013, Paul Timmins wrote:
>
>> Have you tried tossing an unauthenticated call at the edgemarc from outside 
>> using a from address of 1001 at edgemarcip? looks like that's what this guy is 
>> doing.
>> You're ignoring his registers but you may be allowing invites from an 
>> unregistered device.
>> 
>> On Fri, 11/01/2013 03:33 PM, Matt Yaklin <myaklin at g4.net> wrote:
>>       They are not over lapping.
>>
>>       The attacker finally bit just a bit ago. I only was running
>>       tcpdump on port 5060 on the edgemarc but i captured the SIP
>>       traffic for what the attacker is doing. I wish I had setup
>>       more.
>> 
>>
>>       I blocked international via an auth code right now...
>>
>>       x.x.139.225 = WAN ethernet port of the Edgemarc.
>>
>>       I am going through this now and if anyone can help I would
>>       greatly appreciate it. I need to find out why this is happening.
>> 
>> 
>>
>>       -----------------------
>>       -----------------------
>>       -----------------------
>>       Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE,
>>       SUBSCRIBE, INFO
>>       User-Agent: eyeBeam release 3007n stamp 17816
>>       Cont
>>       <<<<<<<<<<<<<<<sip header stop<<<<<<<<<<<<<<<<<<<<
>>
>>       19:18:48.788559 176.58.68.20.10181 > x.x.139.225.5060:
>>       >>>>>>>>>>>>>>>sip header start>>>>>>>>>>>>>>>>>>>
>>       REGISTER sip:x.x.139.225 SIP/2.0
>>       To: <sip:1001 at x.x.139.225>
>>       From: <sip:1001 at x.x.139.225>;tag=e26e273f
>>       Via: SIP/2.0/UDP
>>       176.58.68.20:10181;branch=z9hG4bK-d87543-161690352-1--d87543-;rport
>>       Call-ID: b161d8122d506908
>>       CSeq: 1 REGISTER
>>       Contact: <sip:1001 at 176.58.68.20:10181>
>>       Expires: 3600
>>       Max-Forwards: 70
>>       Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE,
>>       SUBSCRIBE, INFO
>>       User-Agent: eyeBeam release 3007n stamp 17816
>>       Cont
>>       <<<<<<<<<<<<<<<sip header stop<<<<<<<<<<<<<<<<<<<<
>>
>>       19:18:52.786472 176.58.68.20.10181 > x.x.139.225.5060:
>>       >>>>>>>>>>>>>>>sip header start>>>>>>>>>>>>>>>>>>>
>>       REGISTER sip:x.x.139.225 SIP/2.0
>>       To: <sip:1001 at x.x.139.225>
>>       From: <sip:1001 at x.x.139.225>;tag=e26e273f
>>       Via: SIP/2.0/UDP
>>       176.58.68.20:10181;branch=z9hG4bK-d87543-161690352-1--d87543-;rport
>>       Call-ID: b161d8122d506908
>>       CSeq: 1 REGISTER
>>       Contact: <sip:1001 at 176.58.68.20:10181>
>>       Expires: 3600
>>       Max-Forwards: 70
>>       Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE,
>>       SUBSCRIBE, INFO
>>       User-Agent: eyeBeam release 3007n stamp 17816
>>       Cont
>>       <<<<<<<<<<<<<<<sip header stop<<<<<<<<<<<<<<<<<<<<
>>
>>       19:18:56.794955 176.58.68.20.10181 > x.x.139.225.5060:
>>       >>>>>>>>>>>>>>>sip header start>>>>>>>>>>>>>>>>>>>
>>       REGISTER sip:x.x.139.225 SIP/2.0
>>       To: <sip:1001 at x.x.139.225>
>>       From: <sip:1001 at x.x.139.225>;tag=e26e273f
>>       Via: SIP/2.0/UDP
>>       176.58.68.20:10181;branch=z9hG4bK-d87543-161690352-1--d87543-;rport
>>       Call-ID: b161d8122d506908
>>       CSeq: 1 REGISTER
>>       Contact: <sip:1001 at 176.58.68.20:10181>
>>       Expires: 3600
>>       Max-Forwards: 70
>>       Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE,
>>       SUBSCRIBE, INFO
>>       User-Agent: eyeBeam release 3007n stamp 17816
>>       Cont
>>       <<<<<<<<<<<<<<<sip header stop<<<<<<<<<<<<<<<<<<<<
>>
>>       19:19:00.899198 176.58.68.20.10181 > x.x.139.225.5060:
>>       >>>>>>>>>>>>>>>sip header start>>>>>>>>>>>>>>>>>>>
>>       REGISTER sip:x.x.139.225 SIP/2.0
>>       To: <sip:1001 at x.x.139.225>
>>       From: <sip:1001 at x.x.139.225>;tag=e26e273f
>>       Via: SIP/2.0/UDP
>>       176.58.68.20:10181;branch=z9hG4bK-d87543-161690352-1--d87543-;rport
>>       Call-ID: b161d8122d506908
>>       CSeq: 1 REGISTER
>>       Contact: <sip:1001 at 176.58.68.20:10181>
>>       Expires: 3600
>>       Max-Forwards: 70
>>       Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE,
>>       SUBSCRIBE, INFO
>>       User-Agent: eyeBeam release 3007n stamp 17816
>>       Cont
>>       <<<<<<<<<<<<<<<sip header stop<<<<<<<<<<<<<<<<<<<<
>>
>>       19:19:04.809371 176.58.68.20.10181 > x.x.139.225.5060:
>>       >>>>>>>>>>>>>>>sip header start>>>>>>>>>>>>>>>>>>>
>>       REGISTER sip:x.x.139.225 SIP/2.0
>>       To: <sip:1001 at x.x.139.225>
>>       From: <sip:1001 at x.x.139.225>;tag=e26e273f
>>       Via: SIP/2.0/UDP
>>       176.58.68.20:10181;branch=z9hG4bK-d87543-161690352-1--d87543-;rport
>>       Call-ID: b161d8122d506908
>>       CSeq: 1 REGISTER
>>       Contact: <sip:1001 at 176.58.68.20:10181>
>>       Expires: 3600
>>       Max-Forwards: 70
>>       Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE,
>>       SUBSCRIBE, INFO
>>       User-Agent: eyeBeam release 3007n stamp 17816
>>       Cont
>>       <<<<<<<<<<<<<<<sip header stop<<<<<<<<<<<<<<<<<<<<
>>
>>       19:19:08.831073 176.58.68.20.10181 > x.x.139.225.5060:
>>       >>>>>>>>>>>>>>>sip header start>>>>>>>>>>>>>>>>>>>
>>       REGISTER sip:x.x.139.225 SIP/2.0
>>       To: <sip:1001 at x.x.139.225>
>>       From: <sip:1001 at x.x.139.225>;tag=e26e273f
>>       Via: SIP/2.0/UDP
>>       176.58.68.20:10181;branch=z9hG4bK-d87543-161690352-1--d87543-;rport
>>       Call-ID: b161d8122d506908
>>       CSeq: 1 REGISTER
>>       Contact: <sip:1001 at 176.58.68.20:10181>
>>       Expires: 3600
>>       Max-Forwards: 70
>>       Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE,
>>       SUBSCRIBE, INFO
>>       User-Agent: eyeBeam release 3007n stamp 17816
>>       Cont
>>       <<<<<<<<<<<<<<<sip header stop<<<<<<<<<<<<<<<<<<<<
>>
>>       19:19:12.827515 176.58.68.20.10181 > x.x.139.225.5060:
>>       >>>>>>>>>>>>>>>sip header start>>>>>>>>>>>>>>>>>>>
>>       REGISTER sip:x.x.139.225 SIP/2.0
>>       To: <sip:1001 at x.x.139.225>
>>       From: <sip:1001 at x.x.139.225>;tag=e26e273f
>>       Via: SIP/2.0/UDP
>>       176.58.68.20:10181;branch=z9hG4bK-d87543-161690352-1--d87543-;rport
>>       Call-ID: b161d8122d506908
>>       CSeq: 1 REGISTER
>>       Contact: <sip:1001 at 176.58.68.20:10181>
>>       Expires: 3600
>>       Max-Forwards: 70
>>       Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE,
>>       SUBSCRIBE, INFO
>>       User-Agent: eyeBeam release 3007n stamp 17816
>>       Cont
>>       <<<<<<<<<<<<<<<sip header stop<<<<<<<<<<<<<<<<<<<<
>>
>>       19:19:16.827669 176.58.68.20.10181 > x.x.139.225.5060:
>>       >>>>>>>>>>>>>>>sip header start>>>>>>>>>>>>>>>>>>>
>>       REGISTER sip:x.x.139.225 SIP/2.0
>>       To: <sip:1001 at x.x.139.225>
>>       From: <sip:1001 at x.x.139.225>;tag=e26e273f
>>       Via: SIP/2.0/UDP
>>       176.58.68.20:10181;branch=z9hG4bK-d87543-161690352-1--d87543-;rport
>>       Call-ID: b161d8122d506908
>>       CSeq: 1 REGISTER
>>       Contact: <sip:1001 at 176.58.68.20:10181>
>>       Expires: 3600
>>       Max-Forwards: 70
>>       Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE,
>>       SUBSCRIBE, INFO
>>       User-Agent: eyeBeam release 3007n stamp 17816
>>       Cont
>>       <<<<<<<<<<<<<<<sip header stop<<<<<<<<<<<<<<<<<<<<
>>
>>       19:23:19.307756 176.58.68.20.10189 > x.x.139.225.5060:
>>       >>>>>>>>>>>>>>>sip header start>>>>>>>>>>>>>>>>>>>
>>       BYE sip:14734050085 at x.x.139.225:5060 SIP/2.0
>>       To: <sip:14734050085 at x.x.139.225>;tag=6516fea2
>>       From: <sip:1001 at x.x.139.225>;tag=214bbc47
>>       Via: SIP/2.0/UDP
>>       176.58.68.20:10189;branch=z9hG4bK-d87543-1012476641-1--d87543-;rport
>>       Call-ID: 346c8a3823657575
>>       CSeq: 2 BYE
>>       Route: <sip:14734050085 at x.x.139.225;lr>
>>       Contact: <sip:1001 at 176.58.68.20:10189>
>>       Max-Forwards: 70
>>       Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE,
>>       SUBSCRIBE,
>>       <<<<<<<<<<<<<<<sip header stop<<<<<<<<<<<<<<<<<<<<
>>
>>       19:23:19.370269 x.x.139.225.5060 > 176.58.68.20.10189:
>>       >>>>>>>>>>>>>>>sip header start>>>>>>>>>>>>>>>>>>>
>>       SIP/2.0 200 OK
>>       Via: SIP/2.0/UDP
>>       176.58.68.20:10189;branch=z9hG4bK-d87543-1012476641-1--d87543-;rport=5060
>>       Record-Route: <sip:14734050085 at x.x.139.225;lr>
>>       From: <sip:1001 at x.x.139.225>;tag=214bbc47
>>       To: <sip:14734050085 at x.x.139.225>;tag=6516fea2
>>       Call-ID: 346c8a3823657575
>>       CSeq: 2 BYE
>>       Contact: <sip:14734050085 at x.x.139.225:5060>
>>       User-agent: fxo/1.0
>>       Content-Length: 0
>> 
>>
>>       <<<<<<<<<<<<<<<sip header stop<<<<<<<<<<<<<<<<<<<<
>>       [tos 0xb8]
>>       19:23:31.365141 176.58.68.20.10189 > x.x.139.225.5060:
>>       >>>>>>>>>>>>>>>sip header start>>>>>>>>>>>>>>>>>>>
>>       INVITE sip:14734050088 at x.x.139.225 SIP/2.0
>>       To: <sip:14734050088 at x.x.139.225>
>>       From: <sip:1001 at x.x.139.225>;tag=d909f80a
>>       Via: SIP/2.0/UDP
>>       176.58.68.20:10189;branch=z9hG4bK-d87543-292959825-1--d87543-;rport
>>       Call-ID: 2b6a574f323db602
>>       CSeq: 1 INVITE
>>       Contact: <sip:1001 at 176.58.68.20:10189>
>>       Max-Forwards: 70
>>       Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE,
>>       SUBSCRIBE, INFO
>>       Content-Type: application/sdp
>>       User-Agent: eyeBeam
>>       <<<<<<<<<<<<<<<sip header stop<<<<<<<<<<<<<<<<<<<<
>>
>>       19:23:31.417251 x.x.139.225.5060 > 176.58.68.20.10189:
>>       >>>>>>>>>>>>>>>sip header start>>>>>>>>>>>>>>>>>>>
>>       SIP/2.0 100 Trying
>>       Via: SIP/2.0/UDP
>>       176.58.68.20:10189;branch=z9hG4bK-d87543-292959825-1--d87543-;rport=5060
>>       From: <sip:1001 at x.x.139.225>;tag=d909f80a
>>       To: <sip:14734050088 at x.x.139.225>;tag=51a346d4
>>       Call-ID: 2b6a574f323db602
>>       CSeq: 1 INVITE
>>       User-agent: fxo/1.0
>>       Content-Length: 0
>> 
>>
>>       <<<<<<<<<<<<<<<sip header stop<<<<<<<<<<<<<<<<<<<<
>>       [tos 0xb8]
>>       19:23:36.793012 x.x.139.225.5060 > 176.58.68.20.10189:
>>       >>>>>>>>>>>>>>>sip header start>>>>>>>>>>>>>>>>>>>
>>       SIP/2.0 180 Ringing
>>       Via: SIP/2.0/UDP
>>       176.58.68.20:10189;branch=z9hG4bK-d87543-292959825-1--d87543-;rport=5060
>>       Record-Route: <sip:14734050088 at x.x.139.225;lr>
>>       From: <sip:1001 at x.x.139.225>;tag=d909f80a
>>       To: <sip:14734050088 at x.x.139.225>;tag=51a346d4
>>       Call-ID: 2b6a574f323db602
>>       CSeq: 1 INVITE
>>       Contact: <sip:14734050088 at x.x.139.225:5060>
>>       User-agent: fxo/1.0
>>       Content-Length: 0
>> 
>>
>>       <<<<<<<<<<<<<<<sip header stop<<<<<<<<<<<<<<<<<<<<
>>       [tos 0xb8]
>>       19:23:36.833967 x.x.139.225.5060 > 176.58.68.20.10189:
>>       >>>>>>>>>>>>>>>sip header start>>>>>>>>>>>>>>>>>>>
>>       SIP/2.0 200 OK
>>       Via: SIP/2.0/UDP
>>       176.58.68.20:10189;branch=z9hG4bK-d87543-292959825-1--d87543-;rport=5060
>>       Record-Route: <sip:14734050088 at x.x.139.225;lr>
>>       From: <sip:1001 at x.x.139.225>;tag=d909f80a
>>       To: <sip:14734050088 at x.x.139.225>;tag=51a346d4
>>       Call-ID: 2b6a574f323db602
>>       CSeq: 1 INVITE
>>       Contact: <sip:14734050088 at x.x.139.225:5060>
>>       User-agent: fxo/1.0
>>       Allow: INVITE, ACK, CANCEL, OPTIONS, BYE
>>       Content-Type: application/sdp
>>       Content-Leng
>>       <<<<<<<<<<<<<<<sip header stop<<<<<<<<<<<<<<<<<<<<
>>       [tos 0xb8]
>>       19:23:37.060875 176.58.68.20.10189 > x.x.139.225.5060:
>>       >>>>>>>>>>>>>>>sip header start>>>>>>>>>>>>>>>>>>>
>>       ACK sip:14734050088 at x.x.139.225:5060 SIP/2.0
>>       To: <sip:14734050088 at x.x.139.225>;tag=51a346d4
>>       From: <sip:1001 at x.x.139.225>;tag=d909f80a
>>       Via: SIP/2.0/UDP
>>       176.58.68.20:10189;branch=z9hG4bK-d87543-154025872-1--d87543-;rport
>>       Call-ID: 2b6a574f323db602
>>       CSeq: 1 ACK
>>       Route: <sip:14734050088 at x.x.139.225;lr>
>>       Contact: <sip:1001 at 176.58.68.20:10189>
>>       Max-Forwards: 70
>>       User-Agent: eyeBeam release 3007n stamp 17816
>>       Content-Length: 0
>> 
>>
>>       <<<<<<<<<<<<<<<sip header stop<<<<<<<<<<<<<<<<<<<<
>> 
>>
>>       ---------------
>>       --------------
>>       ------------
>>
>>       On Fri, 1 Nov 2013, Jay Hennigan wrote:
>>
>>       > On 11/1/13 12:04 PM, Matt Yaklin wrote:
>>       >>
>>       >> Approx 60-70 calls.
>>       >
>>       > If more than one overlapping you can rule out the physical FXO 
>> port.
>>       >
>>       > --
>>       > Jay Hennigan - CCIE #7880 - Network Engineering - jay at impulse.net
>>       > Impulse Internet Service - http://www.impulse.net/
>>       > Your local telephone and internet company - 805 884-6323 - WB6RDV
>>       > _______________________________________________
>>       > VoiceOps mailing list
>>       > VoiceOps at voiceops.org
>>       > https://puck.nether.net/mailman/listinfo/voiceops
>>       >
>>       _______________________________________________
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>> 
>> 
>