I’m trying to identify an old RFID implant chip model and hoping someone here might recognise the behaviour.
I bought it directly from Dangerous Things, so I know the source is legitimate. I believe it was implanted sometime between 2006 and 2011, I don’t have access to the email account I used at the time so cant search back history, and there’s no direct way to contact Amal, I do remember talking to him at the time (back in the day)
It was before nfc so its a low-frequency 125 kHz tag. I had thought it might be a HITAG S2048, but my Proxmark3 is giving inconsistent results.
It reports:
Valid EM410x ID found! Searching for auth LF and special cases... Couldn't identify a chipset
So at the moment it seems to read an EM410x-style ID, but the chipset itself is not being positively identified.
Does this sound familiar to anyone, or is there a known implant from that era sold through Dangerous Things that might behave like this? If useful, I can post more complete Proxmark output.
I’m not 100% sure, but I think that some really early versions of the xEM used the EM4100 chip in them and have a fixed ID.
The updated and current version of the xEM uses a T5577 chip that can emulate the EM4100 and many others. You can even copy existing credentials to it.
Poor coupling with the Proxmark3 can also make chipsets harder to identify, so run an lf tune to find the place where you get the biggest voltage drop, then run the lf search again with the implant in that position.
How far does your customer db go back? If I sent you my details could you search for my name or address? I don’t know how many sales you do to Australia,
If my memory is correct I believe we corresponded regarding anti migration silicon dipped inplants, but I could be off.
My wife is pretty adamant I had it in before we got together, and she’s telling me that was 2011 (and I trust her memory more than mine), so I’m pretty sure I’ve got a hard limit on the upper bound 2011.
Yes this is correct, but it was very early and for only a short time.
We’ve had some ecommerce system updates so not super far, but my email goes all the way back so it should be findable somehow.
Nope I didn’t sell.. but people were kind of sourcing their own thing between 2005 (my first media coverage) and 2013 (starting DT).. it’s half the reason I started DT in the first place.. people were getting chips from strange places.