O Firefox mantém suas senhas em seu perfil e, na maioria das versões, desde a v2.0, esses dados são criptografados.
Confira aqui: link para os locais dos arquivos de senha no Windows (várias versões), Linux e Mac.
- key3.db - Key database
- signons.txt - Previous to 2.0.0.2 - Encrypted saved passwords, requires key3.db to work
- signons2.txt - 2.0.0.2 and above - Encrypted saved passwords (and URL exceptions where "NEVER SAVE PASSWORD" is selected), requires key3.db to work
- signons3.txt - 3.0 and above - Encrypted saved passwords (and URL exceptions where "NEVER SAVE PASSWORD" is selected), requires key3.db to work
- signons.sqlite - 3.5 and above - Encrypted saved passwords (and URL exceptions where "NEVER SAVE PASSWORD" is selected), requires key3.db to work.