Capture wireless traffic in PROMISCUOUS mode (not monitor mode)

Question

I am trying to capture packets from other devices that are connected to the same network as I am. I know the difference between monitor mode and promiscuous mode (explained in this question), but for my purposes I feel that promiscuous mode is more useful.

My problem is, how can I configure a wireless interface to capture the traffic in promiscuous mode?

(FYI: I have already captured traffic in monitor mode, but it's useless as the traffic is encrypted. Also, I am trying this on a Raspberry Pi 3B+ with Kali linux with Nexmon installed, if that's any help. However, I can use Raspbian as well, if necessary)

Answer 1

I am trying to capture packets from other devices that are connected to the same network as I am.
... I feel that promiscuous mode is more useful.
... the traffic is encrypted.

Promiscuous mode is likely not what you want.

To cite from the WireShark Wiki: "However, on a "protected" network, packets from or to other hosts will not be able to be decrypted by the adapter, and will not be captured, so that promiscuous mode works the same as non-promiscuous mode."

Note that this is not a restriction of WireShark but a restriction due to the design of protected WLAN. Thus it will not help to just change the capture tool.

See also Wireshark - I can't see traffic of other computer on the same network in promiscuous mode.

Answer 2

You go to the interfaces window *

Note: "Even in promiscuous mode you still won’t necessarily see all packets on your LAN segment. See the Wireshark FAQ for more information."

*_{(capture>opt>enable promiscuous mode)}