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DumpBrowserSecrets is a post-exploitation credential-harvesting tool that extracts passwords, session cookies, OAuth refresh tokens, credit cards, autofill data, and browsing history from major Windows browsers (Chrome, Edge, Brave, Opera family, Vivaldi, and Firefox). 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, and includes evasion techniques (string obfuscation, API hashing, PPID/argument spoofing, handle duplication) to evade EDR; output is structured JSON suitable for red team use but also usable by malicious actors to enable lateral movement or cloud account takeover.