Orignal link :https://github.com/d4rkvaibhav/IceCTF-2018/tree/master/Reverse
In this problem we have to find the password of the file.Software used:
ltrace(Linux) : preinstalled in Linux (Usage :  ltrace <filename>)
python2
pwn library(python2)
Note : You have to install pwn library to run the python script.