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add mozdmp: Firefox profile decryption tool and master password cracker#233

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asaix:add-mozdmp
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add mozdmp: Firefox profile decryption tool and master password cracker#233
asaix wants to merge 1 commit into
carpedm20:masterfrom
asaix:add-mozdmp

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@asaix

@asaix asaix commented Jul 8, 2026

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mozdmp is an offline profile decryption tool for the Mozilla Firefox browser. It enables decryption of the logins.json file that contains user passwords by extracting the key from the NSS database (key4.db).

Important features:

  • Supports the latest versions of Firefox, which use SHA384 to derive the PBKDF2 input. The correct hash type is automatically selected.
  • Multi-core cracking of the master password is supported using wordlists. *On Windows and MacOS, cracking will be limited to a single core.

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Code Review

This pull request adds the 'mozdmp' tool, an offline profile decryption and master password cracking tool for Mozilla Firefox, to the README. The reviewer suggests moving this entry from the Forensic section to the Cryptography section, as its primary functions align better with decryption and password cracking.

Important

The consumer version of Gemini Code Assist on GitHub is being sunset. Starting June 18, 2026, new organization installations will be blocked, and all code review activity will officially cease on July 17, 2026.
For more details on the timeline and next steps, please review the Help Documentation.

Comment thread README.md
@asaix asaix changed the title add mozdmp add mozdmp: Firefox profile decryption tool and master password cracker Jul 9, 2026
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