Up To A Point.

https://www.jpost.com/breaking-news/article-810633

That point being when the justice system used by the IDF finds them to be unlawful combatants, by way of systematic Crimes Against Humanity.

At which point they have absolutely no legal protections whatsoever.

The fact that they still don't seem to be aware of that further underlines how poorly Hamas has been prepared for these negotiations.