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Wirebrowser @wirebrowser

Wirebrowser is a CDP-based runtime instrumentation platform for the browser. Think Frida, but for JavaScript running in Chrome — without monkeypatching.

Joined November 2025
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Stop stepping manually. Skip execution until a condition flips and jump exactly where it happens: 🔥 loggedIn became true → line X (no monkeypatching, just CDP)
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Most JavaScript functions aren’t accessible from window. You can still hook them, follow their return, and flip application state at runtime.
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Main limitation: no real async invocation identity in CDP. Correlation across async boundaries is heuristic (stack similarity timing).
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You can hook JavaScript functions at runtime (even inside closures) without monkeypatching. Wirebrowser v0.6.1 Frida-style instrumentation for the browser: onEnter / onLeave handlers, return control.
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Some data used to generate network requests only exists in runtime memory. Wirebrowser → Heap Snapshot → search
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Trace → Hook → Control Wirebrowser v0.5.0 - Live Hooks: • Identify the function via Origin Trace • Hook it live • Override return values • Inject arbitrary code Runtime instrumentation powered by CDP.
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Wirebrowser 0.4.0 is out. Request workflow improvements, Origin Trace fixes, and better stability. macOS builds are now signed & notarised. Landing page is live → wirebrowser.dev
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From network interception to API collection. Even heavy debuggers need to relax 😉 Wirebrowser isn’t just advanced tooling — it’s a complete workflow for everyday debugging tasks.
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Wirebrowser 0.3.0 dev builds ✅ Cross-platform Electron builds Custom Chrome management Unsigned binaries for now. Signed release coming next.
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Network → Memory → DevTools Rewrite a response → see the UI change → grab the JS object born from that response directly in the live heap → inspect/patch it from DevTools. No instrumentation. Just CDP.
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DevTools lets you inspect and edit objects — but only if you already know where they are.🔍 Wirebrowser’s Live Object Search scans the JS heap in realtime, finds the exact runtime object, and lets you (monkey)patch it. 🐒⚙️ BDHS Live Search = origin runtime control.🧩
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New in Wirebrowser: Breakpoint-Driven Heap Search (BDHS) — step-out debugging temporal heap snapshots to identify the user-land function where a JavaScript value is created, even across async boundaries. Writeup: fcavallarin.github.io/wirebr…
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👀 Just launched Wirebrowser — a desktop app for intercepting & rewriting HTTP traffic *inside the browser* via the Chrome DevTools Protocol Also supports: 🧠 Inspect JS heap runtime objects 📂 API collections (Postman-style) github.com/fcavallarin/wireb… #CyberSecurity #DevTools
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