Wednesday, 5 June 2013

PassPass for E2B now available

PassPass by Holmes.Sherlock, Wonko et al. at is a grub4dos batch file which can be used to permanently patch or unpatch a Windows dll file (msv1_0.dll) on a hard disk by booting from a grub4dos USB drive (or CD). Once patched, any password will be accepted for a Windows User account, thus allowing anyone access to any Windows system (XP  -> Win7 tested so far, Win8 is in Alpha test status).

Details can be found here on the forum.

The files required should be copied to either the \_ISO\UTILITIES\Utility folder or the \_ISO\MAINMENU\Utility folder of your E2B drive. The PPass.g4b file has been modified specifically for E2B, it cannot be used as a standalone grub4dos batch file.

Once you have gained access, remember to run it again to Unpatch the dll or you will have no security!

P.S. WARNING: Make a backup of the DLL first! If you want to test this on your office/home system, you may find that the login credentials will be reset for some applications after unPatching - in particular, DropBox credentials may be lost and you will need to re-login and re-synchronise all DropBox files and folders! Therefore it is best to test this on 'test' system rather than your main PC!

P.P.S latest version can backup and restore the dll to \PassPass.bak on your USB boot disk. This allows you to test the patch/unpatch operations and then restore the dll afterwards so if you patch and then unpatch, the MD5 hash should be the same as before - if not you can use the Restore function.

1. Check MD5 of msv1_0.dll and run PassPass Backup from E2B
2. Run PassPass Patch
3. Boot and test the no pwd is required
4. Run PassPass UnPatch - Check MD5 of msv1_0.dll
5. If different, report it as a bug and then restore the original file and check MD5 of msv1_0.dll again