.jspx",".jsw",".jsv",".jspf",".jtml",".jSp",".jSpx",".jSpa",".jSw",".jSv",".jSpf",".jHtml",".asp",".aspx...",".asa",".asax",".ascx",".ashx",".asmx",".cer",".aSp",".aSpx",".aSa",".aSax",".aScx",".aShx",".aSmx"...",".asa",".asax",".ascx",".ashx",".asmx",".cer",".aSp",".aSpx",".aSa",".aSax",".aScx",".aShx",".aSmx"...,名字还是变成了1.txt
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这个时候我们就可以利用.来绕过限制了,因为strrchr函数会将上传的文件名后缀处理为.php....然后后缀就又会被还原成.php,这样就可以执行了,下面演示一下
首先上传1.php文件并抓包,在burp修改文件后缀名为.php.
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测试链接
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PS:此方法只适用于