BUUCTF:派大星的烦恼
题目来源:https://buuoj.cn/challenges#%E6%B4%BE%E5%A4%A7%E6%98%9F%E7%9A%84%E7%83%A6%E6%81%BC
一张粉粉的照片
图片没有隐藏信息,用010打开,根据题目提示,尝试搜索一下22
将这一段提取出来
将"替换为0,D替换为1
将010字符串倒转,每八位转字符,倒序输出
flag="0110110000101100000011000110110010011100101011000000110010000110101011000010110010001100000111000010110001000110001001101010110001100110101001100110110001000110011011001010011010101100010001100010110011000110101001100010110011001100000111001100110001001100" flag=flag[::-1] x="" for i in range(len(flag)//8): x += chr(int(flag[8*i:(i+1)*8],2)) print(x[::-1])
flag{6406950a54184bd5fe6b6e5b4ce43832}