Is it possible to decode EventValidation and ViewState in ASP.NET?

Question

How to decode the ASP.NET EventValidation and ViewState?

Answer 1

You can use this link if use python.

Best way is use this link.

A small Python 3.5+ library for decoding ASP.NET viewstate.

First install that: pip install viewstate

>>> from viewstate import ViewState
>>> base64_encoded_viewstate = '/wEPBQVhYmNkZQ9nAgE='
>>> vs = ViewState(base64_encoded_viewstate)
>>> vs.decode()
('abcde', (True, 1))