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john:OpenCL-BitLocker [2022/07/15 21:49] solar [Step 3: Attack!] mention that there's no chance to find a fully lost Recovery Password |
john:OpenCL-BitLocker [2024/11/09 04:35] (current) solar [Step 3: Attack!] Sync with today's README.BitLocker update |
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| </code> | </code> | ||
| - | Currently, this format is able to evaluate passwords having length between 8 (minimum password length) and 55 characters (implementation reasons). | + | Currently, this format is able to evaluate passwords having length between 8 (minimum password length) and 55 characters (implementation reasons). |
| - | We will increase the max passwords size in the next release. | + | |
| - | The mask you can use to generate Recovery Password is: | + | To avoid wasting compute resources, choose just one hash for this attack - either $bitlocker$0$... or $bitlocker$1$... |
| + | |||
| + | ===== Recovery Passwords (but you're out of luck cracking these, so just don't) ===== | ||
| + | |||
| + | The mask you can use to generate Recovery Passwords is: | ||
| <code> | <code> | ||
| - | -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. | 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. | ||
| + | |||
| + | Recovery Passwords are currently only supported by the BitLocker-OpenCL format (for use on GPUs), not by the corresponding BitLocker CPU format, but like the above paragraph says it's a controversial feature anyhow, which is unlikely to ever help. | ||
| + | |||
| + | To avoid wasting compute resources, choose just one hash for this attack - either $bitlocker$2$... or $bitlocker$3$... | ||
| 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 | ||