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}