How to crack Windows XP passwords – using Ophcrack
Ophcrack is designed to crack Windows passwords, revealing both LM and NTLM hashes. Windows XP will use the LM hash, which is very easy to crack. Ophcrack also provide many cracking tables to download.
Step 1 – Download Ophcrack
Download and install Ophcrack, which is magical for cracking Windows passwords.
Step 2 – Download Tables
To crack XP we need tables for the LM hash. Ophcrack offers several tables for download.
There are four XP tables – the XP free small is only 380 mb, so we use this to get you started.
Select 3 – Get a hash
The tobtu interface is simple, just 3 steps to get an LM hash to work with.
- Enter your plaintext password – here “compaq07” has been used.
- Press “Calculate hashes”
- The LM hash will appear in window 3. Copy this hash to paste into Ophcrack.
Step 4 – Paste the LM hash into Ophcrack
To keep your first attempt simple, we will select “Single hash”.
Step 5 – Enter the single hash
Paste in the LM hash we generated earlier.
Step 6 – Select a Table (XP)
- XP free small (only 380 mb)
Step 7 – CRACK
And a minute or two later, your cracked password will appear.
The LM hash algorithm converts all lowercase characters to uppercase, which is why the password is shown as COMPAQ07.
LM hashes only crack XP passwords, not Windows 7.
To crack Windows 7 we need tables for NTLM – which are your Vista tables.