Friday, August 6, 2010


Have those hashes and wanna crack em faster than any other open source password cracker out there? You would definitely want to take this tool for a spin. This tool is very comparable to John the ripper with a number of supported hashing algorithms and word mangling rules that you can throw at it. For more info, check out the authors website at

You can generate your own hashes to crack: # echo -n "password" | openssl md5 > hash.txt

To crack SHA1 hashes using a wordlist:
# ./hashcat-cli.bin -a 0 -m 100 hashes.txt wordlist.lst //crack sha1 hashes in hashes.txt

To perform a bruteforce attack for the MD5 hash:
# ./hashcat-cli-bin -a 3 -m 0 --bf-pw-max=4 hash.txt //bruteforce the md5 hashes in hash.txt with a password length max of 4

# ./hashcat-cli.bin -h //for more help and options

Resources / Good Reading:

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