A of just 10,000 common patterns (available in SecLists) will successfully crack 15-20% of poorly chosen 6-digit OTPs in a local offline attack. That’s much more efficient than trying all 1 million.
# Generate all MMDDYY combinations (birthdays) for month in range(1,13): for day in range(1,32): for year in range(0,100): print(f"month:02dday:02dyear:02d") If you have a legitimate target (your own lab or authorized test), here are tools that can use your free wordlist: 1. Hydra (Network Login Brute-Forcing) hydra -l username -P 6digit.txt target.com http-post-form "/login:user=^USER^&pass=^PASS^:F=incorrect" 2. Burp Suite Intruder Load your wordlist as a payload position in the OTP field. Use attack mode “Sniper”. This is ideal for testing rate limits. 3. Ncrack (RDP, SSH, Telnet) ncrack -p 3389 --user admin -P 6digit.txt target-ip 4. Hashcat (Offline Cracking) For a 6-digit OTP hash (e.g., from a stolen database):
Note: This is not the full 1M list but a curated list of ~10,000 likely PINs (e.g., birthdays, repeating digits). Instead of a wordlist, use a mask in Hashcat: 6 digit otp wordlist free
If you’ve typed this keyword into a search engine, you are likely either a beginner in cybersecurity, a student learning about brute-force attacks, or a professional tester auditing an application. This article will explore the reality of 6-digit OTP wordlists, how they are generated, why most “free” lists are useless, and the legal boundaries you must never cross. A wordlist (or dictionary file) is a text file containing a sequence of potential passwords or codes. In the context of 6-digit OTPs, a wordlist would contain strings like:
hashcat -m 0 -a 3 hash.txt ?d?d?d?d?d?d No wordlist needed – mask attack is faster. Q1: Is downloading a 6 digit OTP wordlist free illegal? A: No – possessing the file is not illegal. Using it to attempt unauthorized access to a system you do not own or have explicit permission to test is illegal . Q2: Can I use a 6-digit wordlist on Instagram/Gmail/Bank of America? A: Technically, you can try. But all major platforms have rate limiting, CAPTCHA, and account lockouts. You will not succeed, and your IP will be blacklisted. Q3: What’s the file size of a full 6-digit wordlist? A: Approximately 7.6 MB as plain text. Zipped, it’s about 1.2 MB. Q4: Are there any pre-made “top 100” OTP wordlists? A: Yes. Search GitHub for “common pins” or “top otp”. The SecLists project includes top-100-otp.txt . Conclusion: Use Knowledge, Not Just Lists Searching for a “6 digit OTP wordlist free” is a sign that you are curious about authentication security. That curiosity is valuable – but only if channeled ethically. The reality is that you rarely need a pre-made list. Generating one is trivial, and against modern systems, a raw brute-force attack with a full million-entry wordlist will almost always fail due to rate limiting. A of just 10,000 common patterns (available in
| Protection Mechanism | Impact on Brute-Force | |----------------------|------------------------| | Rate limiting (e.g., 5 attempts per minute) | 1M attempts would take 200,000 minutes (138 days) | | Account lockout after 10 failures | Only 10 guesses allowed – wordlist useless | | CAPTCHA after 3 failures | Automated wordlist attacks blocked | | Short code expiry (30–90 seconds) | Only 1-2 guesses possible per code generation |
Thus, a free wordlist is only useful in – e.g., you have extracted a hashed OTP from a database and want to crack it offline using hashcat or John the Ripper. Where to Legally Obtain or Generate a 6 Digit OTP Wordlist Free If you still need a wordlist for legitimate testing on your own systems, here are safe, legal methods: Method 1: Generate It Yourself (Recommended) Use the seq command on Linux/macOS or a simple Python script. Hydra (Network Login Brute-Forcing) hydra -l username -P
with open('otp_wordlist.txt', 'w') as f: for i in range(1000000): f.write(f"i:06d\n") This creates a complete 6-digit OTP wordlist free of malware or backdoors. SecLists is the standard for penetration testing wordlists. It includes a file called six-digit-pin-codes.txt (often a subset or common patterns). You can find it at: https://github.com/danielmiessler/SecLists/tree/master/Passwords