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DumpBrowserSecrets is a Windows post-exploitation credential-extraction tool that targets major Chromium-based browsers (Chrome, Edge, Brave, Opera, Vivaldi) and Firefox to harvest saved passwords, session cookies, OAuth refresh tokens, credit card data, autofill entries, and history. It bypasses Chrome's App-Bound Encryption by spawning a headless Chromium process and injecting a DLL to use the IElevator COM interface to decrypt keys, handles DPAPI and NSS decryption for other browsers, includes operational evasion features, and outputs structured JSON for red-team testing and detection validation.