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Plunder bug in 2023


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As said in another thread where you posted about the same thing; this should work without any issues if done correctly (and the Bug is working as it should and is not having any defects). I just executed some dumps using Kali Linux (fully updated) and Windows 11 and I get what I expect, i.e. all forms of protocols (http, https, ntp, etc. etc.) and information that I would expect to find based on the traffic generated. Either contact support or describe more in detail exactly how you are conducting the Wireshark sniffing on each of the platforms. Otherwise it's more or less impossible to troubleshoot, recreate and try to help.

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I'm trying to "spy" on a serial to Ethernet converter Moxa N5100 it simply sends the serial port input to a TCP socket. Also it has a http interface. No https. So I should see some activity on port 80.

I downloaded vanilla Virtual box Kali Linux https://www.kali.org/get-kali/#kali-virtual-machines and passed usb ASIX to the machine. I see the eth1. Then simply started Wireshark without any special configuration apart from choosing eth1. Some traffic shows up but no TCP. When I run Wireshark on my main interface/lan I capture those TCP packets so there.

Also tried it on windows 10 installed on my laptop as a second lan. It get's recognized wire shark sees some triffic in unmuted mode and just ARP packets from Moxa when muted . Tried both muted and unmuted(with script). Tried another computer with similar results.

The switch/hub  part on plunder bug work. I have communication when I put it inline with the device I'm trying to listen to.    

Is your plunder bug new? Maybe there was some change in firmware/hardware and got unnoticed? There was also some other report from April.

change new units lost the hub functionality? However the driver for ASIX seems to be rather old.

[   75.069954] usb 1-2: new full-speed USB device number 3 using ohci-pci
[   75.557136] usb 1-2: config 1 interface 0 altsetting 0 endpoint 0x82 has invalid maxpacket 512, setting to 64
[   75.557141] usb 1-2: config 1 interface 0 altsetting 0 endpoint 0x3 has invalid maxpacket 512, setting to 64
[   75.583611] usb 1-2: New USB device found, idVendor=0b95, idProduct=772b, bcdDevice= 0.02
[   75.583616] usb 1-2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[   75.583618] usb 1-2: Product: AX88772C
[   75.583619] usb 1-2: Manufacturer: ASIX Elec. Corp.
[   75.583621] usb 1-2: SerialNumber: 00091B
[   77.964606] asix 1-2:1.0 (unnamed net_device) (uninitialized): PHY [usb-001:003:10] driver [Asix Electronics AX88772C] (irq=POLL)
[   78.014097] Asix Electronics AX88772C usb-001:003:10: attached PHY driver (mii_bus:phy_addr=usb-001:003:10, irq=POLL)
[   78.014301] asix 1-2:1.0 eth1: register 'asix' at usb-0000:00:06.0-2, ASIX AX88772B USB 2.0 Ethernet, 00:13:37:xx:xx:xx
[   78.015708] usbcore: registered new interface driver asix
[   78.079182] asix 1-2:1.0 eth1: configuring for phy/internal link mode
[   80.474247] asix 1-2:1.0 eth1: Link is Up - 100Mbps/Full - flow control rx/tx
[   80.474259] IPv6: ADDRCONF(NETDEV_CHANGE): eth1: link becomes ready
[  128.028256] cfg80211: Loading compiled-in X.509 certificates for regulatory database
[  128.028425] cfg80211: Loaded X.509 cert 'benh@debian.org: 577e021cb980e0e820821ba7b54b4961b8b4fadf'
[  128.028590] cfg80211: Loaded X.509 cert 'romain.perier@gmail.com: 3abbc6ec146e09d1b6016ab9d6cf71dd233f0328'
[  128.028738] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7'
[  128.033666] platform regulatory.0: firmware: direct-loading firmware regulatory.db
[  128.034173] platform regulatory.0: firmware: direct-loading firmware regulatory.db.p7s
[  128.733069] Bluetooth: Core ver 2.22
[  128.733122] NET: Registered PF_BLUETOOTH protocol family
[  128.733124] Bluetooth: HCI device and connection manager initialized
[  128.733127] Bluetooth: HCI socket layer initialized
[  128.733129] Bluetooth: L2CAP socket layer initialized
[  128.733133] Bluetooth: SCO socket layer initialized
[  132.150963] device eth1 entered promiscuous mode
1	0.000000000	MoxaTech_b6:db:78	Broadcast	ARP	60	Who has Tell
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One thing that you could try is to skip that Moxa-thing and try to sniff some other source. Just to rule out if the Plunder Bug is failing or if there's something specific with the serial-to-Eth converter (which sounds strange if the converter has things implemented correctly out-of-the-box... network traffic is network traffic).

Also, adding the VM layer just complicates the troubleshooting. Using bare metal is something I would suggest up until things have been verified as working.

I have no idea if hardware has changed in the Plunder Bug. I can't imagine it has, but only Hak5 can answer that. According to your output, it looks as if it's the same hardware (ASIX).

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