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Recovery of Android Numeric PINs and Passwords

Discussion of forensic issues related to all types of mobile phones and underlying technologies (GSM, GPRS, UMTS/3G, HSDPA, LTE, Bluetooth etc.)
Subforums: Mobile Telephone Case Law
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AlexC
Senior Member
 

Recovery of Android Numeric PINs and Passwords

Post Posted: Feb 20, 12 23:48

We've just written a follow up to our blog about Android pattern locks, this time describing a method for recovering numeric PINs and alphanumeric passwords from Android devices.

There's also a link to the scripts at the bottom of the post:

digitalinvestigation.w...passwords/  
 
  

N1XY
Member
 

Re: Recovery of Android Numeric PINs and Passwords

Post Posted: Feb 21, 12 03:39

Wow, brilliant article.

It's nice to see a company like CCL putting something back out there for the community to use!
I have been working in the Android field for the last few months as part of a dissertation, and was about to start research into lock screen recovery, this seems like a good technique to investigate a bit further.

Would be interesting to potentially pipe the brute force processing via something similar to NVIDIA CUDA, the increased attempts/sec provided by a GPU might make this even more viable with longer passwords.

~ Tom  
 
  

s1lang
Senior Member
 

Re: Recovery of Android Numeric PINs and Passwords

Post Posted: Feb 21, 12 21:34

Fantastic read, thank you Alex.

Si
_________________
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AlexC
Senior Member
 

Re: Recovery of Android Numeric PINs and Passwords

Post Posted: Feb 21, 12 21:53

Thanks for the kind words guys.

The CUDA idea is an interesting one, I've had a quick dig around and it looks like there's a pretty well supported CUDA bindings library for Python so it may well be possible - I'll have to have a play!  
 

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