Stay legal, stay ethical, and always capture with permission.
Cracking the Uncrackable: Why "wordlist/probable.txt" Failed Your 2021 Handshake Capture If you’ve ever dipped your toes into the world of Wi-Fi penetration testing (or ethical hacking), you’ve likely encountered the frustrating phrase: Stay legal, stay ethical, and always capture with permission
It appears after hours of capturing a WPA/WPA2 handshake, feeding it through aircrack-ng or hashcat , only to be met with defeat. You used the famous probable.txt wordlist – a 20+ gigabyte behemoth boasting billions of passwords. And still – nothing . And still – nothing
hashcat -m 22000 -a 3 ?l?l?l?l?d?d?d?d This brute-forces all 8-character lowercase+digit combos – impossible for human guessing but feasible for short lengths. 2021 cracking rigs with an RTX 3090 could do ~1.5 million WPA hashes per second. probable.txt (1.6B passwords) would take ~17 minutes – but a complex 10-char alphanumeric space (3.6 quadrillion combos) would take centuries. probable
aircrack-ng yourcapture.cap If it says "No valid WPA handshakes found," your wordlist never had a chance. By 2021, WPA3 was slowly appearing. If you capture a WPA3 handshake and feed it into tools expecting WPA2, you’ll get no cracks – even with the right password. aircrack-ng of that era didn’t support WPA3 SAE. 3.4 PMKID Attack Instead of Handshake You may have captured a PMKID (from an AP with roaming enabled) rather than a full handshake. Tools like hashcat can crack PMKIDs differently – but aircrack-ng with a wordlist won’t handle them properly without conversion. 4. What To Do When probable.txt Fails 4.1 Verify & Re-capture the Handshake Don’t assume the first capture is good. Run:
The error message isn’t a failure of your tools – it’s a sign that the password exists outside the realm of “probable.” To break it, you need rules, masks, and patience. And sometimes, you simply move on to another vector – because in 2021, cracking a handshake stopped being the only way in.