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Android Pattern Lock Extraction Using JTAG

harshbehl
(@harshbehl)
Member

Hi
Can anyone help me in explaining how to get the android lock screen patterns using JTAG Extractions ? Replies will be really appreciated. Please help guys. Thanks in advance
You can also email me at [email protected]

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Topic starter Posted : 06/01/2015 11:41 am
adamplus
(@adamplus)
New Member

Another way you can try
enter the recovery mood
connect to pc
if usb debug works in this mood
select mount data
and delete /data/system/*.key in cmd.
if usb debug does not word in this mood
change to a higher edtion of recovery
these is risky you cannt open the phone
but you also can backup phone data in recovery mood

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Posted : 08/01/2015 9:32 am
gorvq7222
(@gorvq7222)
Active Member

Hi,

As I know,the key point of Android pattern lock is /DATA/SYSTEM/GESTURE.KEY . If the usb debug is on,you could use adb cmd to backup data from android phone. Then try to decrypt GESTURE.KEY. there is a tool called LockPatternUtils.java you could find it on the internet..
Of course you could use dictionary attack to decrypt GESTURE.KEY..the combination is not as big as you imagine…so it won't take long..

Rick

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Posted : 08/01/2015 1:38 pm
harshbehl
(@harshbehl)
Member

Well the major trouble here is that the USB Debugging is not enabled. But obviously i will go with your advice if i am able to get the dump.Thanks a lot

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Topic starter Posted : 08/01/2015 3:18 pm
gorvq7222
(@gorvq7222)
Active Member

Hi

I think Ufed Chinex can solve it. It's made to acquire smart phones made in China with chipset like MTK…

Rick

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Posted : 08/01/2015 5:17 pm
gorvq7222
(@gorvq7222)
Active Member

Sorry I made a mistake. Above answer is for the other question…

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Posted : 08/01/2015 5:21 pm
mobileforensicswales
(@mobileforensicswales)
Active Member

http//www.cclgroupltd.com/a-rainbow-table-for-android-pattern-locks/

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Posted : 08/01/2015 6:17 pm
minime2k9
(@minime2k9)
Active Member

Just out of curiosity, why do you need the screen lock code if you already have a JTAG physical image?

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Posted : 09/01/2015 10:20 pm
harshbehl
(@harshbehl)
Member

Hi
I just wanted to know it. No particular reason.

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Topic starter Posted : 10/01/2015 9:35 am
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