Overload

Overload

Category

Prog

Description

Find the flag hidden in this txt file.

Format : hero{flag}
Author : xanhacks

Files

• overload.txt

Write up

To solve this challenge you need to remove all the uppercase characters from the overload.txt file.

1. Using a python script to print only not uppercase character :

#!/usr/bin/env python3


with open("overload.txt", "r") as overload:
    content = overload.readline().strip()

    for c in content:
        if not c.isupper():
            print(c, end="")

$ python3 solve.py
hero{wellplayedprogmaster}

2. Using bash :

$ tr -d '[:upper:]' < overload.txt
hero{wellplayedprogmaster}

Flag

hero{wellplayedprogmaster}