{"id":35,"date":"2026-05-06T21:47:59","date_gmt":"2026-05-06T13:47:59","guid":{"rendered":"https:\/\/www.mrkuku.site\/?p=35"},"modified":"2026-05-07T17:56:13","modified_gmt":"2026-05-07T09:56:13","slug":"1","status":"publish","type":"post","link":"https:\/\/www.mrkuku.site\/index.php\/2026\/05\/06\/1\/","title":{"rendered":"web\u5165\u95e8-BASIC1-14"},"content":{"rendered":"\n

Web<\/strong><\/h1>\n\n\n\n

Web\u7531html+css+js<\/strong>\u642d\u5efa\u800c\u6210\uff0c\u901a\u8fc7\u6d4f\u89c8\u5668\u8bbf\u95ee\u8be5\u7f51\u7ad9\u3002\u5176\u4e2d\u7684\u6b65\u9aa4\u662f\u4ee5\u4e0b\u56fe\u7247\u5c55\u793a\uff01<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u7b80\u5355\u7684\u7406\u89e3\uff0c\u5f53\u7528\u6237\u8f93\u5165url\u7684IP\u5730\u5740<\/strong>\uff0c\u65e0\u9700\u8d70DNS\u76f4\u63a5\u6d4f\u89c8\u5668\u548c\u76ee\u6807\u670d\u52a1\u5668\u5efa\u7acb\u8fde\u63a5<\/strong>\uff0c\u7f51\u7ad9\u5185\u5bb9\u5e76\u54cd\u5e94\u7ed9\u7528\u6237\u3002\u800c\u8f93\u5165\u7684url\u662f\u57df\u540d<\/strong>\uff0c\u5148\u67e5\u770b\u7528\u6237\u4e3b\u673a\u662f\u5426\u6709\u76ee\u6807\u670d\u52a1\u5668\u7f13\u5b58\u3001\u6d4f\u89c8\u5668\u7f13\u5b58\u6216hosts<\/strong>\uff0c\u5982\u6709\u76f4\u63a5\u5efa\u7acb\u76ee\u6807\u670d\u52a1\u5668\uff0c\u6ca1\u6709\u5c31\u8d70DNS\u3010\u57df\u540d\u89e3\u6790\u7cfb\u7edf\u3011\uff0c\u9012\u5f52\u67e5\u8be2\u7b49\u76ee\u6807\u670d\u52a1\u5668\u7684IP\uff0c\u54cd\u5e94\u56de\u6d4f\u89c8\u5668\u5e76\u548c\u76ee\u6807\u670d\u52a1\u5668\u5efa\u7acb\u8fde\u63a5\u3002<\/p>\n\n\n\n

BASIC-1\u9898\u89e3<\/strong><\/h2>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n

\u8be5\u7f51\u7ad9\u88ab\u7981\u7528\u4e86F12\u4ee5\u53ca\u5feb\u6377\u952e\uff0c\u90a3\u4e48\u6211\u4eec\u53ef\u4ee5\u6709\u5176\u4ed6\u529e\u6cd5\u6765\u67e5\u627e\u6e90\u4ee3\u7801\u662f\u5426\u5b58\u5728flag\u3002<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u5728\u5730\u5740\u680f\u5de6\u8fb9\u52a0\u4e0a:view-source:\/\/ + url<\/strong>\u8bbf\u95ee\u540e\u662f\u6e90\u4ee3\u7801\u7f51\u9875\u3002\u4e5f\u53ef\u4ee5\u901a\u8fc7burp\u6293\u5305\u3001\u5728\u7ebf\u5de5\u5177\u83b7\u53d6<\/strong>\u54cd\u5e94\u540e\u7684\u6e90\u4ee3\u7801\uff01<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n

\u83b7\u53d6\u5230\u4e86\u7f51\u9875\u4e2d\u6e90\u4ee3\u7801\u540e\uff0c\u5728\u7f51\u9875\u6e90\u4ee3\u7801\u4e2d\u641c\u7d22\u67e5\u627eflag<\/strong>\u3002<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

flag\u662fbase64\u7f16\u7801\uff0c\u53ef\u4ee5\u901a\u8fc7burp\u81ea\u5e26\u7684\u7f16\u7801\u5de5\u5177\u6216\u8005\u5728\u7ebf\u5de5\u5177\u89e3\u7801\u3002<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

BASIC-2\u9898\u89e3<\/strong><\/h2>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n

\u56fe\u4e2d\u662f\u4e00\u4e2a\u53cd\u9988\u533a\uff0c\u53ef\u4ee5\u586b\u5199\u5185\u5bb9\u5e76\u53cd\u9988\u7ed9\u5bf9\u65b9\uff0c\u90a3\u4e48\u6293\u5305\u4e00\u4e0b\u662f\u5426\u5b58\u5728\u53c2\u6570\u3002<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u53d1\u73b0\u662fPOST\u8bf7\u6c42\uff0c\u53c2\u6570\u5927\u81f4\u7406\u89e3\uff0c\u5305\u542bis_admin\u3001nickname\u3001contact\u3001content\uff0c\u6ce8\u91cd\u7684\u662fis_admin=0\uff0c\u5982\u679c\u6539\u4e3a1\u5bf9\u65b9\u670d\u52a1\u5668\u662f\u5426\u80fd\u63a5\u6536\u5230\u6211\u4eec\u7684\u53c2\u6570\u3002<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u54ce\uff01\u53ef\u4ee5\uff0c\u90a3\u4e48\u53f3\u8fb9\u54cd\u5e94\u7684\u6570\u636e\u4e2dflag<\/strong>\u627e\u5230\u4e86\uff0c\u90a3\u4e48\u7b49\u4e8e1\u4ee3\u8868\u662fadmin\u7528\u6237\uff0c0\u4ee3\u8868\u666e\u901a\u7528\u6237\u3002<\/p>\n\n\n\n

BASIC-3\u9898\u89e3<\/strong><\/h2>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n

\u7f51\u9875\u4e2d\u9700\u8981\u6b63\u786e\u5bc6\u7801\u624d\u80fd\u8fdb\u5165\u540e\u53f0\uff0c\u90a3\u4e48\u968f\u4fbf\u8f93\u5165\u4e00\u4e2a\u5bc6\u7801\u662f\u5426\u5b58\u5728\u9650\u5236\u3002<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u5b58\u5728\u9650\u5236\uff0c\u76f4\u63a5\u88ab\u9501\u5b9a60\u5206\u949f\uff0c\u90a3\u4e48\u770b\u4e00\u4e0b\u662f\u524d\u7aefjs\u8fd8\u662f\u540e\u7aef\u9650\u5236\u3002<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u53ef\u4ee5\u901a\u8fc7F12\u6216\u53f3\u51fb\u67e5\u770b\u6e90\u4ee3\u7801\uff0c\u53d1\u73b0\u5305\u542bjs\u811a\u672c\uff0c\u8fd9\u4e2a\u811a\u672c\u5c31\u662f\u6765\u5224\u65ad\u5bc6\u7801\u662f\u5426\u6b63\u786e\uff0c\u5e76\u9501\u5b9a60\u5206\u949f\u540e\u624d\u80fd\u7ee7\u7eed\u8f93\u5165\u5bc6\u7801\u3002<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u53d1\u73b0head\u4e2d\uff0c\u6709\u4e00\u4e2akey.js\uff0c\u6709\u70b9\u53ef\u7591\u70b9\u51fb\u4e00\u4e0b\uff0c\u6253\u5f00\u5feb\u6377\u952eCtrl+u\u67e5\u770b\u6e90\u4ee3\u7801\u627e\u5230key.js\u70b9\u51fb\u3002<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u8fd9\u662f\u4e00\u4e2ajsfuck\u52a0\u5bc6\u7684\u6570\u636e\uff0c\u90a3\u4e48\u53ef\u4ee5\u901a\u8fc7\u63a7\u5236\u53f0\u76f4\u63a5\u8f93\u51fa\u56de\u6b63\u5e38\u6570\u636e<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u590d\u5236\u5f15\u53f7\u91cc\u9762\u7684\u56de\u8f66\uff0c\u5f97\u5230\u6b63\u5e38\u6570\u636e\uff0c\u8bbf\u95ee\u5bc6\u7801\u5c31\u5f97\u5230\u4e86\u3002<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u67e5\u770b\u5230\u91cc\u9762\u8d44\u6599flag\u3002<\/p>\n\n\n\n

BASIC-4\u9898\u89e3<\/strong><\/h2>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n

\u9875\u9762\u4e2d\u9700\u8981\u90ae\u4ef6\u6216\u9a8c\u8bc1\u7801\u624d\u80fd\u53d7\u9080\u8bf7\uff0c\u90a3\u4e48\u67e5\u770b\u6e90\u4ee3\u7801\u91cc\u6709\u4ec0\u4e48\u3002<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u53d1\u73b0\u6709\u4e00\u4e2amain.js\u6587\u4ef6\uff0c\u70b9\u51fb\u67e5\u770b\u91cc\u9762\u5185\u5bb9\u3002<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u8fd9\u662f\u4e00\u4e2aJavaScript\u811a\u672c\uff0c\u53d1\u73b0var_0\u3001var_1\u3001var_2\u731c\u6d4b\u662fASCII\u7801\uff0c<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u53d1\u73b0var_0\u89e3\u7801\u540e\uff0c\u662fQCCTF_VIP_2026\u3002<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u5f97\u5230\u51ed\u8bc1\u91ccflag\u3002<\/p>\n\n\n\n

BASIC-5\u9898\u89e3<\/strong><\/h2>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n

\u7f51\u9875\u4e2d\u9700\u8981\u8f93\u5165\u8ba1\u7b97\u6b63\u786e\u7b54\u6848\u540e\uff0c\u52a01\u5206\u5e76\u4e14\u505a\u6ee11000\u5206<\/strong>\uff0c\u8fd9\u91cc\u6211\u6709\u4e24\u79cd\uff0c\u4e00\u79cd\u901a\u8fc7\u63a7\u5236\u53f0<\/strong>\u3001\u53e6\u4e00\u79cdburp\u6293\u5305<\/strong>\u3002<\/p>\n\n\n\n

F12\u627e\u5230\u6e90\u4ee3\u7801\u4e2d\u7684main.js<\/strong>\uff0c\u91cc\u9762\u5185\u5bb9\u662f\u6784\u90201000\u5206\u7684\u52a0\u6cd5\u8ba1\u7b97\uff0c\u5224\u65ad\u5f97\u5230flag\u3002<\/p>\n\n\n\n

javascript\u811a\u672c<\/strong><\/h3>\n\n\n\n
\/\/ \u81ea\u52a8\u7b54\u9898 - \u6f2b\u957f\n\n\/\/ \u590d\u73b0\u539f\u6709\u51fd\u6570\n\nfunction randomInt(min, max) {\n\n\u00a0 return Math.floor(Math.random() * (max - min + 1)) + min;\n\n}\n\nfunction generateQuestion() {\n\n\u00a0 const op = randomInt(0, 1) ? '+' : '-';\n\n\u00a0 let a, b, answer;\n\n\u00a0 if (op === '+') {\n\n\u00a0 \u00a0 a = randomInt(1, 99);\n\n\u00a0 \u00a0 b = randomInt(1, 99);\n\n\u00a0 \u00a0 answer = a + b;\n\n\u00a0 } else {\n\n\u00a0 \u00a0 a = randomInt(10, 99);\n\n\u00a0 \u00a0 b = randomInt(1, a - 1);\n\n\u00a0 \u00a0 answer = a - b;\n\n\u00a0 }\n\n\u00a0 return { text: `${a} ${op} ${b} = ?`, answer: answer };\n\n}\n\n\/\/ \u81ea\u52a8\u7b54\u9898\u903b\u8f91\n\nlet currentScore = 0;\n\nconst answerInput = document.getElementById('answer-input');\n\nconst submitBtn = document.getElementById('submit-answer-btn');\n\nconst claimBtn = document.getElementById('claim-btn');\n\nconst scoreSpan = document.getElementById('score-num');\n\nconst progressBar = document.getElementById('progress-bar');\n\n\/\/ \u81ea\u52a8\u7b54\u4e00\u9898\n\nfunction autoAnswer() {\n\n\u00a0 \/\/ \u89e3\u6790\u5f53\u524d\u9898\u76ee\n\n\u00a0 const qText = document.getElementById('question-text').textContent;\n\n\u00a0 const [aStr, op, bStr] = qText.split(' ');\n\n\u00a0 const a = parseInt(aStr, 10);\n\n\u00a0 const b = parseInt(bStr, 10);\n\n\u00a0 const answer = op === '+' ? a + b : a - b;\n\n\u00a0 \/\/ \u586b\u5165\u7b54\u6848\u5e76\u63d0\u4ea4\n\n\u00a0 answerInput.value = answer;\n\n\u00a0 submitBtn.click();\n\n\u00a0 \/\/ \u66f4\u65b0\u5206\u6570\n\n\u00a0 currentScore = parseInt(scoreSpan.textContent, 10);\n\n\u00a0 console.log(`\u5f53\u524d\u5206\u6570: ${currentScore}\/1000`);\n\n\u00a0 \/\/ \u5237\u52301000\u5206\u81ea\u52a8\u9886flag\n\n\u00a0 if (currentScore >= 1000) {\n\n\u00a0 \u00a0 console.log('\u2705 \u5206\u6570\u8fbe\u6807\uff0c\u81ea\u52a8\u9886\u53d6flag');\n\n\u00a0 \u00a0 claimBtn.click();\n\n\u00a0 \u00a0 return;\n\n\u00a0 }\n\n\u00a0 \/\/ \u5ef6\u8fdf\u4e0b\u4e00\u9898\uff0c\u907f\u514d\u8bf7\u6c42\u8fc7\u5feb\n\n\u00a0 setTimeout(autoAnswer, 100);\n\n}\n\n\/\/ \u542f\u52a8\u81ea\u52a8\u7b54\u9898\n\nautoAnswer();<\/code><\/pre>\n\n\n\n
\/\/ \u76f4\u63a5\u6784\u9020\u52a0\u5bc6\u540e\u76841000\u5206\u6570\u636e\n\nconst realData = btoa(unescape(encodeURIComponent(JSON.stringify({ score: 1000 }))));\n\nfetch('\/claim', {\n\n\u00a0 method: 'POST',\n\n\u00a0 headers: { 'Content-Type': 'application\/json' },\n\n\u00a0 body: JSON.stringify({ data: realData })\n\n})\n\n.then(r => r.json())\n\n.then(r => {\n\n\u00a0 if (!r.data) return alert('\u5931\u8d25\uff1a' + (r.error ?? '\u672a\u77e5\u9519\u8bef'));\n\n\u00a0 const res = JSON.parse(decodeURIComponent(escape(atob(r.data))));\n\n\u00a0 if (res.flag) {\n\n\u00a0 \u00a0 console.log('%c\ud83c\udf89 FLAG \u5df2\u62ff\u5230\uff01', 'font-size:16px;color:green');\n\n\u00a0 \u00a0 console.log(res.flag);\n\n\u00a0 \u00a0 alert('FLAG:\\n' + res.flag);\n\n\u00a0 } else {\n\n\u00a0 \u00a0 alert('\u63d0\u793a\uff1a' + res.message);\n\n\u00a0 }\n\n})<\/code><\/pre>\n\n\n\n
\u4ee5\u4e0a\u662f\u6211\u901a\u8fc7\u8c46\u5305<\/strong>\u751f\u6210\u7684JavaScript<\/strong>\u4ee3\u7801\uff0c\u7b2c\u4e00\u79cd\u5c31\u662f\u6f2b\u957f\u7684\u81ea\u52a8\u7b54\u9898<\/strong>\uff0c\u7b2c\u4e8c\u79cd\u5c31\u662f\u6784\u90201000\u5206<\/strong>\u8fdb\u884c\u66ff\u6362\u83b7\u53d6flag\u3002<\/p>\n\n\n\n
burp\u6293\u5305<\/strong><\/h3>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\u53d1\u73b0data\u6570\u636e\u662f\u4e00\u4e2abase64\u7f16\u7801\u7684\u6570\u636e<\/strong>\uff0c\u6211\u4eec\u5c06\u5b83\u89e3\u7801\u5f97\u5230\uff1a{“score”:1}\uff0c\u8fd9\u4e48\u4e00\u6765\uff0c\u5c31\u53d1\u73b0\u662f\u901a\u8fc7\u952e\u503c\u5bf9base64\u7f16\u7801<\/strong>\u540e\u4f20\u9012\u7ed9\u5bf9\u65b9\uff0c\u901a\u8fc7\u5bf9\u65b9\u89e3\u7801\u5e76\u8fd4\u56de\u662f\u5426\u662f1000\u5206\u3002<\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\u5c06{“score”:1000}base64\u7f16\u7801\u540e\u5f97\u5230eyJzY29yZSI6MTAwMH0=\u4f20\u9012\u7ed9data\u53c2\u6570\u3002<\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\u53d1\u9001\u8bf7\u6c42\u540e\uff0c\u5bf9\u65b9\u54cd\u5e94data\u6570\u636e\uff0c\u4e5f\u662f\u4e00\u4e2abase64\uff0c\u6211\u4eec\u5c06\u5b83\u89e3\u7801\u4e00\u4e0b\u3002<\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\u89e3\u7801\u540e\u5f97\u5230flag\u3002<\/p>\n\n\n\n
BASIC-6\u9898\u89e3<\/strong><\/h2>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\u9875\u9762\u4e2d\u4ec0\u4e48\u90fd\u6ca1\u6709\uff0c\u6211\u5728\u6e90\u4ee3\u7801\u91cc\u4e5f\u6ca1\u6709\u627e\u5230\u76f8\u5173\u91cd\u70b9\u3002<\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\u53d1\u73b0\u7f51\u7edc\u4e2d\u5f53\u524d\u7f51\u9875\u7684\u6807\u5934\u4e2d\u7684\u54cd\u5e94\u6807\u5934\u6709\u4e00\u4e2ax-flag\uff0c\u627e\u5230\u4e86flag\u3002<\/p>\n\n\n\n
BASIC-7\u9898\u89e3<\/strong><\/h2>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\u8fd9\u91cc\u4e00\u4e2a\u62fc\u56fe\uff0c\u90a3\u4e48\u6211\u4eec\u5c06\u56fe\u7247\u62fc\u597d\u5e76\u63d0\u4ea4\u3002<\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\u53d1\u73b0\u9875\u9762\u4e2d\u6ca1\u6709flag\uff0c\u90a3\u4e48\u901a\u8fc7\u6293\u5305\u67e5\u770b\u4e00\u4e0b\u53c2\u6570\u6709\u54ea\u4e9b\u3002<\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\u6709\u4e00\u4e2acsrf\u53c2\u6570\u503c\uff0c\u90a3\u4e48\u5728\u62fc\u56fe\u7684\u6e90\u4ee3\u7801\u91cc\u6709\u4e00\u4e2acsrf\uff0c\u90a3\u4e48\u5728\u6293\u5305\u770b\u4e00\u4e0b\u3002<\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
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\"\"<\/div><\/figure>\n\n\n\n
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\"\"<\/div><\/figure>\n\n\n\n
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\"\"<\/div><\/figure>\n\n\n\n
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\"\"<\/div><\/figure>\n\n\n\n
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BASIC-13\u9898\u89e3<\/strong><\/h2>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
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\"\"<\/div><\/figure>\n\n\n\n
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\"\"<\/div><\/figure>\n\n\n\n
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