RevRevRev.py

#usr/bin/python

#Faid Mohammed Amine 
#Fb : piratuer


import commands
import string


## [Reverse] Tokyo Westerns CTF 3rd 2017 - Rev Rev Rev 



bl = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ!()"

def get_nums(dic):
    for key in bl:
         res = commands.getstatusoutput('echo "'+str(key)+'" | ltrace -o res -e strcmp ./revrev')
         text=open('res')
         ltr=str(text.read().split('"')[1]).replace("\\","")
         dic[ltr] = key
    return dic

def get_lettre(dic):
    for key in bl:
         res = commands.getstatusoutput('echo "'+str(key)+'" | ltrace -o res -e strcmp ./revrev')
         text=open('res')
         ltr=str(text.read().split('"')[1]).replace("\\","")
         dic[key] = ltr
    return dic


flag = ""
dico = {}
dico2 = {}
get_nums(dico)
get_lettre(dico2)
encrypted = "A ( 331 e 241 361 341 311 031 t 223 023 241 t 271 I 271 211 335 a 1 i 241 361 q ! 235 325 = 025 325".split(" ")
for a in encrypted:
    if a in dico:
        flag  +=  str(dico[a]) 
    else:
        flag  +=  str(dico2[a]) 

print(flag)
#TWCTF{qpzisyDnbmboz76oglxpzYdk}