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Data Leakage Bug in Mozilla Firefox Confirmed

ID: f8fc07e2-4358-50e3-8c8d-8cdb0028d6a3

STIX ID: report--f8fc07e2-4358-50e3-8c8d-8cdb0028d6a3

Feed Name: Darknet

Threat Score
75/100

Date Published: 2008-01-28

Date Updated: 2026-05-08

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DumpBrowserSecrets is a post‑exploitation browser credential‑harvesting tool that extracts saved credentials, session cookies, OAuth refresh tokens, credit card data, autofill entries and browsing history from major Chromium‑based and Gecko browsers. It bypasses Chrome's App‑Bound Encryption by spawning a headless Chromium process and injecting a DLL that uses the IElevator COM interface to decrypt keys, supports DPAPI and NSS decryption for other browsers, includes multiple evasion techniques (string obfuscation, API hashing, PPID/argument spoofing, custom SQLite parsing), and outputs structured JSON for red‑team or offensive use; the report also outlines detection opportunities and mitigation recommendations.

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