bmp图片附加js代码

2019-01-26  本文已影响9人  Yix1a
1548470279767.jpg
fname = "hello.bmp"

pfile = open(fname,"r+b")
buff = pfile.read()
buff.replace(b'\x2A\x2F',b'\x00\x00')
pfile.close()

pfile = open(fname,"w+b")
pfile.write(buff)
pfile.seek(2,0)
pfile.write(b'\x2F\x2A')
pfile.close()

pfile = open(fname,"a+b")
pfile.write(b'\xFF\x2A\x2F\x3D\x31\x3B')
pfile.write(open('hello.js','rb').read())
pfile.close()
<img src="hello.bmp"/>
<script src="hello.bmp"></script>
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