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  #1  
Old 01-16-2011, 09:54 PM
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Question Hacking cash value laundry cards

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Last edited by CountBlah; 07-30-2012 at 04:29 AM.
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Old 01-16-2011, 10:01 PM
jolt890 jolt890 is offline
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Default Re: Hacking cash value laundry cards

Finding the program/reader to read/edit the data is going to be the hard part.

I tried it with mine. I ordered a usb-sim reader, ended up having to cut the card to fit it in, and then it didn't read it anyways. It also wouldn't read in the machines anymore (probably just need to replace the cut-out bits to trip a sensor inside letting it know the card is fully seated.)
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Old 01-16-2011, 10:02 PM
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Default Re: Hacking cash value laundry cards

Quote:
Originally Posted by muffins View Post
was wondering what you guys think about cloning/hacking cash value laundry smart cards. heres my idea (all for educational purposes mind you)

1. load card with say 10.00
2. Copy hex data in a file dump
3. use money off card
4. reload card with data from the hex dump
5. rinse and repeat


Possible problems i see:
1. is the card encrypted?
2. Finding a program to access data.

heres said card,


I was thinking the same thing, but I lacked the resources to actually be able to buy software, and "dock" for said card.

Those cards are a bitch though.
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Old 01-16-2011, 10:05 PM
jolt890 jolt890 is offline
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Default Re: Hacking cash value laundry cards

Some More Info
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Old 01-17-2011, 11:03 AM
interested21 interested21 is offline
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Default Re: Hacking cash value laundry cards

A lot of the time the card only holds the key to the account. The card doesn't have any actual value. Value is stored on the server and the card is the key to access/modify that information.

I don't know the specifics of your laundry card, but most systems are modeled as I described above.
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Old 01-17-2011, 12:24 PM
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Default Re: Hacking cash value laundry cards

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Last edited by CountBlah; 07-30-2012 at 04:29 AM.
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Old 01-17-2011, 11:32 PM
tastay tastay is offline
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Default Re: Hacking cash value laundry cards

hangin round BI like normal, then i see this thread. i've dabbled in this, my apartments use the mac-gray "intelligent laundry" cards.

i ordered a sim card/smart card holder, and soldered up some wires. i also took one of the cards i got from the refiller machine that has $2 left on it and soldered magnet wire onto the individual contacts. i killed the card's internal chip when i smashed it with a hammer, but that was the point. i now had something i could shove into the washing machine, and get wires that correspond to the internal pins. i put an unmodified card into the holder, and connected its wires to the dead card. think of it like this, i have a good card, that goes to a card holder, that goes to the dead card's contacts... so the machine recognizes the good card, and i can sniff the communications.

it worked, with my device in place, the machine could read the good card... but the data i captured was crap. it was a protocol like none i've ever seen. and no matter what data rate i sampled at (using the Logic brand usb logic analyzer) the pulses were never consistant... indicative of perhaps a very fast clock with slower data rates. i can post some articles of interest, as well as a pinout if anybody's interesting in furthering the research.

this is what it looked like when i attempted to connect it to a usb SIM reader:
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  #8  
Old 01-18-2011, 01:16 AM
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Default Re: Hacking cash value laundry cards

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Old 01-18-2011, 03:41 AM
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Default Re: Hacking cash value laundry cards

infinity usb by http://www.infinityusb.com/
i use http://www.infinityusb.com/default.a...l&ProductID=11
and usto use http://www.infinityusb.com/default.a...ctID=7&PicID=3
you need something with the phoenix mode for effective sniffing. the infinityusb unlimited has both form factor card slots and has a virtual com port for the phoenix mode. the software has a built in chip identifier software. my sim and sat hacking days are far from over! the smart chips normally have a pretty hefty security scheme RSA even.

i imagine that the same programs to crack the sat cards would apply with these. I dont have access to one of the systems locally so i cant test anything
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Old 01-15-2014, 04:39 PM
stdjmax stdjmax is offline
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Default Re: Hacking cash value laundry cards

Mac Gray Intelligent Laundry Systems laundry card
3B 04 2A FF 32 00

This is very interest topic !
DID somebody try with Infinity USB Phoenix ?
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Old 01-15-2014, 06:48 PM
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Default Re: Hacking cash value laundry cards

Quote:
Originally Posted by stdjmax View Post
Mac Gray Intelligent Laundry Systems laundry card
3B 04 2A FF 32 00

This is very interest topic !
DID somebody try with Infinity USB Phoenix ?
Sadly I never tried it as I moved
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