Cracking Mozilla Firefox, Thunderbird and SeaMonkey master passwords ==================================================================== 1. Install NSS library. a) On Ubuntu, do $ sudo apt-get install libnss3-dev libnspr4-dev b) On CentOS / RHEL / Fedora, do $ sudo yum install nss-devel 2. Un-comment HAVE_NSS line in src/Makefile and build JtR. 3. Run mozilla2john on key3.db file. 4. Run john on output of mozilla2john. 5. Wait for master password to get cracked.