SquareCTF 2022 Yara Challenge "Yet Another Reversing Activity"

gistfile1.txt

```
Create removed.txt file
5F 39
33 5F 
F8 99 
53 34 
F8 83 
9A F7 
DD EE 
5C 6F 
F9 8D 
F9 A6 
C8 A5 
80 E5 
86 D9 
0D 3C 
65 0B 
77 28 
8F B8 
80 E8 
AA 99 
28 77 
69 08 
56 24 
A1 92 
2A 44 
EC D8 
EA 97
```


def encrypt1(var, key):
    return bytes(a ^ b for a, b in zip(var, key))

assert encrypt1(b'hello', b'supersecretkey') == b'\x1b\x10\x1c\t\x1d'

file = open("removed.txt","rb")
with file as f:
    data = f.read().splitlines()
    for line in data:
        splitLine = line.split(b' ')
        encryptedStuff = encrypt1(splitLine[0],splitLine[1])
        asd = int(splitLine[0],16) ^ int(splitLine[1],16)
        print(chr(asd))