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john:OpenCL-BitLocker [2017/12/19 14:24]
elenago [Recovery Password authentication method]
john:OpenCL-BitLocker [2022/07/15 21:49] (current)
solar [Step 3: Attack!] mention that there's no chance to find a fully lost Recovery Password
Line 69: Line 69:
  
 As shown in the example, it returns 4 output hashes with different prefix: As shown in the example, it returns 4 output hashes with different prefix:
-  * If the device was encrypted using the User Password authentication ​methods, bitlocker2john prints those 2 hashes:+  * If the device was encrypted using the User Password authentication ​method, bitlocker2john prints those 2 hashes:
     * $bitlocker$0$... : it starts the User Password fast attack mode (see [[#User Password authentication method|User Password Section]])     * $bitlocker$0$... : it starts the User Password fast attack mode (see [[#User Password authentication method|User Password Section]])
     * $bitlocker$1$... : it starts the User Password attack mode with MAC verification (slower execution, no false positives)     * $bitlocker$1$... : it starts the User Password attack mode with MAC verification (slower execution, no false positives)
Line 94: Line 94:
 -mask=?​d?​d?​d?​d?​d?​d[-]?​d?​d?​d?​d?​d?​d[-]?​d?​d?​d?​d?​d?​d[-]?​d?​d?​d?​d?​d?​d[-]?​d?​d?​d?​d?​d?​d[-]?​d?​d?​d?​d?​d?​d[-]?​d?​d?​d?​d?​d?​d[-]?​d?​d?​d?​d?​d?​d -mask=?​d?​d?​d?​d?​d?​d[-]?​d?​d?​d?​d?​d?​d[-]?​d?​d?​d?​d?​d?​d[-]?​d?​d?​d?​d?​d?​d[-]?​d?​d?​d?​d?​d?​d[-]?​d?​d?​d?​d?​d?​d[-]?​d?​d?​d?​d?​d?​d[-]?​d?​d?​d?​d?​d?​d
 </​code>​ </​code>​
 +
 +Please note that the number of possible Recovery Passwords is **way** too large, so there'​s effectively **no chance** that this will find yours unless you recall almost all of it (except for just a handful of digits) and replace most of the "?​d"​ above with the known digits.
  
 Samples of User Password/​Recovery Passwords dictionaries you can user are available here: https://​github.com/​e-ago/​bitcracker/​tree/​master/​Dictionary Samples of User Password/​Recovery Passwords dictionaries you can user are available here: https://​github.com/​e-ago/​bitcracker/​tree/​master/​Dictionary
john/OpenCL-BitLocker.txt ยท Last modified: 2022/07/15 21:49 by solar
 
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