Dtmf over rj45

[Stephen Partington]

ok, out of band is a VERY different option to DTMF tones


On Fri, Dec 1, 2017 at 8:09 AM, Aaron Jones <retro64xyz at gmail.com> wrote:

> Not sure myself honestly. The guy was using buzz words like “out of band
> transmission” and claiming they could use dtmf and the intel me to send
> “untraceable” data without the use of IP.
>
> I am trying to be objective about it but it seems like it wouldn’t be an
> effective method of getting data out of a network.
>
> So potentially there is a kernel (heh) of truth in there. Who knows right
> now I guess.
>
> Thanks,
> Aaron
>
> On Dec 1, 2017, at 7:38 AM, Herminio Hernandez Jr. <
> herminio.hernandezjr at gmail.com> wrote:
>
> Steve is right you can use RJ45 to transmit. The signal but Ethernet
> switch are expecting Ethernet frames.
>
> Sent from my iPhone
>
> On Dec 1, 2017, at 7:18 AM, Stephen Partington <cryptworks at gmail.com>
> wrote:
>
> Are you talking about embedding this sort of functional noise into a line
> being used by ethernet? and yes most quality switches would try to clean up
> the noise in order to secure the data unless it just created enough of an
> interruption to just disrupt the connection as a whole.
>
> RJ45 is a socket type so you can wire it to do whatever you want. you can
> use cat 4,5,6 cable to transport anything you want. I know multiple sites
> that wired ethernet cable for POTS just because it gave them the ability to
> do a number of things based on need.
>
> On Fri, Dec 1, 2017 at 6:41 AM, Aaron Jones <retro64xyz at gmail.com> wrote:
>
>> Any one have any experience with dtmf (beeps and boops over phone) but
>> using rj45 instead of rj11?
>>
>> I viewed a claim that the intel me can produce dtmf instructions that
>> will be regarded as noise by tools like wireshark and can be used to
>> transfer things like encryption keys surreptitiously over the net without
>> being seen by monitoring tools.
>>
>> Essentially data is hidden in sight as noise on the line and picked up
>> somewhere else.
>>
>> Rj11 phone line can do this. But can it be done with rj45? Wouldn’t the
>> first switch it hit just smooth noise?
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>
>
>
>
> --
> A mouse trap, placed on top of your alarm clock, will prevent you from
> rolling over and going back to sleep after you hit the snooze button.
>
> Stephen
>
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-- 
A mouse trap, placed on top of your alarm clock, will prevent you from
rolling over and going back to sleep after you hit the snooze button.

Stephen
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