1111111000100001101111111100000101110010110100000110111010100000000010111011011101001000000001011101101110101110110100101110110000010101011011010000011111111010101010101111111000000001011101110000000011010011000001010011101101111010101001000011100000000000101000000001001001101000100111001111011100111100001110111110001100101000110011100001010100011010001111010110000010100010110000011011101100100001110011100100001011111110100000000110101001000111101111111011100001101011011100000100001100110001111010111010001101001111100001011101011000111010011100101110100100111011011000110000010110001101000110001111111011010110111011011
得到的01 串的長度是625,除以8 除以7 都無法整除,也就是說沒法直接轉(zhuǎn)換成ascii碼。
圖片16.png
然后發(fā)現(xiàn)625 = 25*25,剛好是個(gè)正方形的形狀,那么嘗試一下 把這些01 組成一個(gè)正方形 看看是什么,可以用python的PIL編程可以很方便的畫圖,在kali自帶就可以有,win的環(huán)境需要安裝PIL的第三方庫。
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#!/usr/bin/env python
importImage
MAX=25
pic=Image.new("RGB",(MAX,MAX))
str="1111111000100001101111111100000101110010110100000110111010100000000010111011011101001000000001011101101110101110110100101110110000010101011011010000011111111010101010101111111000000001011101110000000011010011000001010011101101111010101001000011100000000000101000000001001001101000100111001111011100111100001110111110001100101000110011100001010100011010001111010110000010100010110000011011101100100001110011100100001011111110100000000110101001000111101111111011100001101011011100000100001100110001111010111010001101001111100001011101011000111010011100101110100100111011011000110000010110001101000110001111111011010110111011011"
i=0
foryinrange(0,MAX):
forxinrange(0,MAX):
if(str[i]=='1'):
pic.putpixel([x,y],(0,0,0))
else:
pic.putpixel([x,y],(255,255,255))
i=i+1
pic.show()
pic.save("flag.png")
|
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