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攻防世界 MISC 进阶区 hit-the-core
2022-07-04 22:17:00 【春风拂槛露华浓。】
hit-the-core
把给的zip文件解压,得到后缀为core的文件
先用txt打开,搜索flag、“ {”、 “ } ” 无果
再用010eidter打开,也先试着搜索flag,无果
试着搜索{ ,一个一个看
发现如下图
“ { ”前面的大写字母连起来:ALEXCTF
而且都是隔四个取一个
将括号里内容也隔四个取一个
num='cvqAeqacLtqazEigwiXobxrCrtuiTzahfFreqc{bnjrKwgk83kgd43j85ePgb_e_rwqr7fvbmHjklo3tews_hmkogooyf0vbnk0ii87Drfgh_n kiwutfb0ghk9ro987k5tfb_hjiouo087ptfcv}'
flag = ''
for i in range(3,len(num),5):
flag += num[i]
print(flag)
flag
ALEXCTF{
K33P_7H3_g00D_w0rk_up}
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