en(Traversing directories for files with php extensions and testing files against text or regexp rules, the rules based on self gathered samples and publicly available malwares/webshells. The goal is to find infected files and fight against kiddies, because to easy to bypass rules. )...
Use it in pc or linux or u can use in root
extract it with zip
access directory with command prompt
type python shellfinder.py
its ask for website which u wana attack
its automatic scan shell and save it found.txt