![]() The problem for crackers was that they were hashed using bcrypt and all but a fraction of them were too strong to break in any kind of reasonable time frame. If you remember a few years ago there was a breach of the Ashley Madison website and 36 million password hashes were leaked. Unlike the other hash algorithms we’ve encountered so far bcrypt is specifically designed to be slow to crack, especially for GPUs, and you can see that reflected very poignantly in the screenshot below. John -format=bcrypt -wordlist=/usr/share/wordlists/rockyou.txt hash1_4.txt In such cases, we can use different offline tools that are available to crack the hashes. Hashcat -m 3200 hash1_4.txt /usr/share/wordlists/rockyou.txt Playing with John the ripper Websites and online services may not be always available and it is also possible that those websites may not have the plaintext of the hash we have found. Hash: $2y$12$Dwt1BZj6pcyc3Dy1FWZ5ieeUznr71EeNkJkUlypTsgbX1H68wsRom
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