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submitted 1 day ago* (last edited 7 hours ago) by RestrictedAccount@lemmy.world to c/nostupidquestions@lemmy.world

UPDATE 10/4 6:47 EDT

I have been going through all the comments. THANKS!!!!!! I did not know about the techniques listed, so they are extremely helpful. Sorry for the slow update. As I mentioned below, I got behind with this yesterday so work cut into my evening.

I ran a port scan. The first syntax, -p, brought no joy. The nmap software itself suggested changing to -Pn. That brought an interesting response:

nmap -Pn 1-9999

Starting Nmap 7.93 ( https://nmap.org ) at 2024-10-04 11:44 BST Failed to resolve "1-9999". Nmap scan report for Host is up (0.070s latency). All 1000 scanned ports on 192.168.0.46 are in ignored states. Not shown: 990 filtered tcp ports (no-response), 10 filtered tcp ports (host-unreach)

Nmap done: 1 IP address (1 host up) scanned in 6.03 seconds

Just to be absolutely sure, I turned off my work computer (the only windows box on my network) and reran the same syntax with the same results.

As I read this, there is definitely something on my network running windows that is not showing up on the DHCP.

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[-] Flax_vert@feddit.uk 5 points 4 hours ago

It's me. I'm your nextdoor neighbour. Sorry!

[-] carpelbridgesyndrome@sh.itjust.works 19 points 14 hours ago

Windows IIS probably from around the time of windows 8 so maybe 2012. Probably running on either windows server 2012 (like exchange, an active directory domain controller, or if you are unlucky sharepoint) or some weirdly configured appliance running windows 8 ish enterprise.

[-] RestrictedAccount@lemmy.world 9 points 7 hours ago

Thanks. This helps. My work computer is way newer than that. It makes me think it could be networking hardware. I have some kit that’s about that old.

[-] Agent641@lemmy.world 23 points 15 hours ago

Bro, you gotta keep us updated, I'm surprisingly invested in this now.

[-] RestrictedAccount@lemmy.world 12 points 9 hours ago

I lost my entire morning to this yesterday. I had to work late to catch up. There are some good ideas in here I’m starting on now.

[-] fmstrat@lemmy.nowsci.com 17 points 16 hours ago

Others haven't suggested this yet, but a single device, like your laptop, even with one connection, can have two IPs.

[-] RestrictedAccount@lemmy.world 5 points 6 hours ago

Thanks. It is neither the Ethernet nor the Wi-Fi on my windows laptop.,

[-] caseyweederman@lemmy.ca 7 points 4 hours ago

Don't just turn your devices off when testing - - unplug them. An off computer can still respond to network requests.

[-] RestrictedAccount@lemmy.world 4 points 4 hours ago

I did not think of this. I will have to go into the bios to turn off the battery of my work laptop.

[-] caseyweederman@lemmy.ca 4 points 2 hours ago

There's Power Over Ethernet too.

[-] SlothMama@lemmy.world 9 points 15 hours ago

Get the MAC address from the ARP table, and look up the OIN, should help you determine if it's virtual or physical, and if physical the type of NIC it's using.

[-] RestrictedAccount@lemmy.world 1 points 6 hours ago
[-] SlothMama@lemmy.world 2 points 5 hours ago

Sorry, I meant the OUI ( was going by memory ) . It's the part that you can look up that tells your what kind of device the MAC address belongs to.

[-] TunaCowboy@lemmy.world 11 points 16 hours ago
[-] RestrictedAccount@lemmy.world 2 points 6 hours ago

This is interesting. I had to modify it to nmap -A -T4 -p- -Pn .

It said the host is up with 0.077 seconds of latency. All 64k ports were scanned with 7 filtered tcp ports (host-unreachable) and the rest (no-response).

[-] deltapi@lemmy.world 2 points 5 hours ago

What's weird about this is that it should be getting a response from IIS like you showed us in the screenshot.

[-] fubarx@lemmy.ml 11 points 17 hours ago

There was an appliance where the wifi chip was at the end of the power cable, embedded inside the plug. From the outside, you couldn't really tell. It was there so radiation inside the box couldn't affect the wireless signal as much.

I can imagine some genius thinking it's a good idea to run a server from inside a cable or a connected home appliance.

[-] RestrictedAccount@lemmy.world 5 points 6 hours ago

Sounds like purchasing got a deal on surplus spook gear.

[-] Seasm0ke@lemmy.world 53 points 1 day ago

Following, I want to know what god awful iot device this is. Refrigerator? Toaster oven? Vibrating dildo? The suspense is killing me

[-] spearz@lemmy.world 24 points 22 hours ago

Nobody wants windows on a vibrating dildo

[-] WrenHavoc@lemmy.dbzer0.com 10 points 17 hours ago

Maybe I want my vibrating dildo to take an hour to load and come with spyware

[-] caseyweederman@lemmy.ca 2 points 1 hour ago

load and come

[-] DokPsy@lemmy.world 7 points 16 hours ago

Hey, I'm not normally one to judge but it seems like a bad idea to call yourself spyware. Either you're going to blow your cover or it's just negative self talk.

[-] Seasm0ke@lemmy.world 21 points 21 hours ago

I mean, Windows already fucks us metaphorically

[-] cristo@lemmy.world 8 points 17 hours ago

Windows 8 is starting to break out

[-] ptz@dubvee.org 167 points 1 day ago

It's the default page for a Windows Server running IIS web server.

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this post was submitted on 03 Oct 2024
274 points (98.9% liked)

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