Make symbolic value

[sob...@gmail.com]

Hello.

I repeat the work: https://adrianherrera.github.io/post/malware-s2e/
I want to make symbolic data in an S2E plugin.
For this i use LibraryCallMonitor plugin (I'm modifying it).

What is the right approach in order to make symbolic data?

I plan to use the method createSymbolicValue().
Any other options ?

[Vitaly Chipounov]

Hi,

S2EExecutionState::createSymbolicValue() is the proper way to do it.
Once you have the value, write it to memory using  state->mem()->write(...).

Vitaly

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