Skip to main content

All Questions

Tagged with
4 votes
2 answers
8k views

How can I modify or decompile Hermes JS bytecode?

Since React Native 0.60.4 developers can opt-in to use the Hermes JS Engine. This generates an index.android.bundle binary that contains Hermes JS bytecode. The Hermes documentation mentions hbcdump ...
irgendwr's user avatar
  • 143
4 votes
0 answers
290 views

Where to start with reversing a custom JavaScript VM?

I have recently ran into the most heavy JavaScript obfuscation I've seen. It is using a custom VM to execute bytecodes. I have never dealt with such obfuscation, and I am wondering where I can start ...
MapF120's user avatar
  • 41
0 votes
1 answer
829 views

Is v8's --print-bytecode safe?

I just saw this post, and I was wondering if it's safe to get v8 bytecode in that fashion with --print-bytecode.
Evan Carroll's user avatar
  • 1,789