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DumpBrowserSecrets is a post-exploitation credential-harvesting tool that extracts saved passwords, session cookies, OAuth refresh tokens, credit card data, autofill entries and browsing history from major Chromium-based browsers (Chrome, Edge, Brave, Opera variants, Vivaldi) and Firefox. It bypasses Chrome's App-Bound Encryption by spawning a headless Chromium process and injecting a DLL to call the IElevator COM interface, includes DPAPI and NSS handling for other browsers, provides evasion features (string obfuscation, API hashing, PPID/argument spoofing, handle duplication), outputs structured JSON, and is positioned as a red-team tool for assessing browser-stored credential exposure.