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iphone password backup

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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Re: iphone password backup

Post Posted: Thu Apr 05, 2018 11:05 am

Password can be digit but also letters - BF attack can be time consuming if you will work only on one machine. If you don't have any hints and you want access those backup check iOS version - there was a bug in 10.x which allow very fast attack. If you still got a problem you can drop me PM - we can try to check how much time it can take on our GPUs PCs by distribute attack
Multi-COM - Bogusław Rzepka

Senior Member

Re: iphone password backup

Post Posted: Thu Apr 05, 2018 1:48 pm

Bruteforcing the backup is a matter of GPU power + pure luck at this point.

What about iCloud ? I'd start digging there...
Apple passcode unlock + decrypted filesystem dump, Android user locks unlock + physical dump with decrypted userdata partition. We provide our services world-wide, but we reserve the right for choosing which tasks we take and which we deny! 

Senior Member

Re: iphone password backup

Post Posted: Wed Jul 25, 2018 8:55 am

Hello All,

I have recently removed the iPhone backup encryption from iOS 10.3.3 and 11.1.2 and 11.4 by using the reset settings option.

I am wondering if resetting the user settings is a common way analysts remove the encryption or is bypassing the code using Elcomsoft or Passware the preferred method for a forensic perspective?

If so does anyone know what changes are made?

I have noted that all security features are removed (PIN, Encrpytion and Biometrics) as well as any preset user background images.

Any input will be greatly appreciated.

Kind Regards.  


Re: iphone password backup

Post Posted: Thu Jul 26, 2018 6:40 am

Hi guys,

I'm curious too to know if some data are lost by this operation of resetting.

Thanks a lot for your reply  


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