Symbolic Execution over Falcon IL
License: Apache License 2.0
Finch is a Symbolic Executor over Falcon IL. If it lifts to Falcon IL, it symbolically executes with Finch.
For an introduction to Finch, see this blog post.
Finch requires the same dependencies as Falcon and falcon-z3. There is a Dockerfile in the dockers/ directory, which will create an appropriate environment for Finch. If you don't want to use Docker, it is still recommended you use the Dockerfile as a reference for how to install dependencies.
After installing the listed dependencies in dockers/Dockerfile, I am still unable to run cargo build. I'm trying this on Debian 9 (stretch).
vagrant@debian9:~/finch$ sudo apt-get install -y build-essential clang curl libcapstone-dev wget libcapstone3
Reading package lists... Done
Building dependency tree
Reading state information... Done
build-essential is already the newest version (12.3).
libcapstone-dev is already the newest version (3.0.4-1).
libcapstone3 is already the newest version (3.0.4-1).
clang is already the newest version (1:3.8-36).
wget is already the newest version (1.18-5+deb9u3).
curl is already the newest version (7.52.1-5+deb9u10).
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
vagrant@debian9:~/finch$ cargo build
Compiling libunicorn-sys v0.9.1
Compiling falcon_capstone v0.4.0
error: could not find native static library `unicorn`, perhaps an -L flag is missing?
error: aborting due to previous error
error: could not compile `libunicorn-sys`.
warning: build failed, waiting for other jobs to finish...
error: build failed
On a related note, Debian 9 has version 4.4.1 of z3 in its apt repos. Can that be used instead of compiling z3 from source? Current version is current version is 4.8.7 and the one from the Dockerfile is 4.7.1. If 4.4.1 will not work, what version of z3 has the minimum features required (or are we locked in at exactly version 4.7.1)?
The link to http://reversing.io/posts/introducing-finch/ in the README 404s now.
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