IDA Jscript 3 Beta


Author: David Zimmer
Date: 12.06.25 - 8:12pm



If anyone wants to play, I think we are pretty well wired and functional at this point. Still beta. It will install along side version 2

IDAJS_3_Setup.exe

From the outside you wont notice much but the inside has had significant changes. We are now using a scratch built js engine in vb6 and a brand new scratch built scintinilla wrapper.

These have allowed me to knock off some of the sharp edges like allowing my host methods to return arrays and json objects directly to the script engine. Also no more timeout errors, and (hopefully) perfectly responsive UI at all times with the ability to abort at your whim on command.

The biggest change is that you can now work with 64 bit numbers natively without the x64.add bs class. (Had to break JS spec for that). This new engine also has seamless COM integration which will make it easy to add more fun stuff in the future. Duktape has been great (for the last decade!), but this is what I really wanted.

You will also find that the built in print function is more pythonesque and can dump arrays and json objects directly. Other global functions include a x64 safe hex() and a new rva().

xSync for remote control of x64/32Dbg and Olly is built in as the new dbg. object. Also check out the new clips. object.

I should have this ready for general release by christmas. I am already using it, just tweak some stuff in final testing at this point. v2 is now frozen.

Both the js engine and new scintinilla wrapper are open source and MIT license. All hail Claude!

Its amazing to think that IDA JScript is now 20 years old.. Holy moly...Wheres my hose..

Have fun!








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