# Port forwarding and payloads (1)
My question is: If I try to insert a backdoor or any type of payload into a device. And in my connection you can't open ports. Can I put it through a port that the device has open? Or does it have to

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Threaded Mode Port forwarding and payloads

Error404
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#1
04-30-2023, 02:47 PM
My question is:
If I try to insert a backdoor or any type of payload into a device. And in my connection you can't open ports.
Can I put it through a port that the device has open?
Or does it have to be specific ports?
I know many techniques to do it but I have always done it on LAN since I can't connect my computer with another
outside my network.
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bitflips
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#2
04-30-2023, 03:36 PM
From my understanding you can. But you block the intended traffic. Probably. I dont really know.
About specific ports.
there are certain ones connected to specific protocols. In general it does not matter. Just google the port number and what protocol its on. Everything over 80 should be fine tho
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dkota
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#3
04-30-2023, 05:26 PM

> Error404 Wrote: My question is:
> If I try to insert a backdoor or any type of payload into a device. And in my connection you can't open ports.
> Can I put it through a port that the device has open?
> Or does it have to be specific ports?
> I know many techniques to do it but I have always done it on LAN since I can't connect my computer with another
> outside my network.

Even if both of you don't have any ports open, you can abuse uPNP which is used by P2P botnets for communications by the way
Even when that does not work, search for NAT hole punching
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