js-trace-engine

Trace obfuscated JavaScript with runtime eval and anti-debug traps by applying dynamic AST instrumentation that recursively hooks eval, Function, and setTimeout calls while bypassing debugger statements and timing checks to expose hidden computation logic.

Reverse engineer an anti-bot sign algorithm when static analysis fails by using multi-layer auto-routing that combines L1 AST probes and L2 runtime hooks to capture runtime-decrypted code and generate an aggregated execution trace of the exact key derivation logic.

Yes, you can trace JSVMP bytecode interpreters without modifying the global environment by applying L3 VM dispatch-loop tracing that instruments the interpreter's internal logic to produce actionable execution evidence while leaving the target's global objects untouched.

Yes, dynamic instrumentation works with real Chrome to bypass anti-bot detection by utilizing optional live source replacement via chrome-remote-interface, allowing you to inject probes and observe execution without permanently modifying the page's source integrity.

Extract a cookie generation algorithm from heavily obfuscated JavaScript by weaving recursive probes into the code that automatically re-instrument runtime-generated code from eval and Function calls, capturing the decrypted execution path to reveal the exact computation logic.

Obfuscated JavaScript with self-defending integrity guards prevents static deobfuscation because the core computation logic is hidden behind runtime code generation and anti-debug traps, requiring an L2 prelude to defeat the guards before tracing can expose the actual execution behavior.