攻防世界 reverse 2ex1

2ex1 CISCN-2018-Quals

 

mark

 1 import base64
 2 
 3 std_base= "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"
 4 mg_base='@,.1fgvw#`/2ehux$~\"3dity%_;4cjsz^+{5bkrA&=}6alqB*-[70mpC()]89noD'
 5 
 6 en_trantab=str.maketrans(std_base,mg_base)
 7 de_trantab=str.maketrans(mg_base,std_base)
 8 
 9 flag=base64.b64decode('_r-+_Cl5;vgq_pdme7#7eC0='.translate(de_trantab))
10 
11 print(flag)

flag{change53233})

posted @ 2019-11-05 21:01  DirWangK  阅读(379)  评论(0编辑  收藏  举报