攻防学习

图片中放木马代码：

https://www.baidu.com/s?wd=在图片中放入木马&rsv_spt=1&rsv_iqid=0xd1cdccf80002e019&issp=1&f=8&rsv_bp=0&rsv_idx=2&ie=utf-8&tn=baiduhome_pg&rsv_enter=1&rsv_sug3=30&rsv_sug1=19&rsv_sug7=100&rsv_t=b825IiB9PzYCsaVfR7N1mxmnXHDrKK5LPMY8vDxGyKUPA0If8SpI0DFsp0y7OlQZpul6&rsv_sug2=0&inputT=7700&rsv_sug4=8005