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直接在线Python反编译，得到源代码
import base64
def encode1(ans):
s = ''
for i in ans:
x = ord(i) ^ 36
x = x + 25
s += chr(x)
return s
def encode2(ans):
s = ''
for i in ans:
x = ord(i) + 36
x = x ^ 36
s += chr(x)
return s
def encode3(ans):
return base64.b32encode(ans)
flag = ' '
print('Please Input your flag:')
flag = input()
final = 'UC7KOWVXWVNKNIC2XCXKHKK2W5NLBKNOUOSK3LNNVWW3E==='
if encode3(encode2(encode1(flag))) == final:
print('correct')
然后根据脚本，写出对应的decode脚本，这里需要注意，在使用base32解码之后，会出现编码问题，使用合适的编码即可
# -*- coding: UTF-8 -*-
# --author:valecalida--
# 2021/2/2 15:31
from base64 import b32decode
def decode1(ans):
s = ''
for i in ans:
s += chr((ord(i) - 25) ^ 36)
return s
def decode2(ans):
s = ''
for i in ans:
s += chr((ord(i) ^ 36) - 36)
return s
def main():
final = 'UC7KOWVXWVNKNIC2XCXKHKK2W5NLBKNOUOSK3LNNVWW3E==='
flag = decode1(decode2(str(b32decode(final), encoding="ISO-8859-1")))
print(flag)
# ("\xa0\xbe\xa7Z\xb7\xb5Z\xa6\xa0Z\xb8\xae\xa3\xa9Z\xb7Z\xb0\xa9\xae\xa3\xa4\xad\xad\xad\xad\xad\xb2")
if __name__ == '__main__':
main()
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转播
