{"id":95893,"date":"2026-08-27T00:40:38","date_gmt":"2026-08-26T16:40:38","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/95893.html"},"modified":"2026-08-27T00:40:38","modified_gmt":"2026-08-26T16:40:38","slug":"%e9%bb%91%e5%ae%a2%e5%a6%82%e4%bd%95%e5%88%a9%e7%94%a8%e5%8f%8d%e5%ba%8f%e5%88%97%e5%8c%96%e6%bc%8f%e6%b4%9e%e6%8b%bf%e4%b8%8b%e6%9c%8d%e5%8a%a1%e5%99%a8%ef%bc%9f%e4%bb%8e%e6%94%bb%e5%87%bb%e9%93%be","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/95893.html","title":{"rendered":"\u9ed1\u5ba2\u5982\u4f55\u5229\u7528\u53cd\u5e8f\u5217\u5316\u6f0f\u6d1e\u62ff\u4e0b\u670d\u52a1\u5668\uff1f\u4ece\u653b\u51fb\u94fe\u5230\u5b9e\u6218\u9632\u5fa1\u4e00\u7bc7\u8bb2\u6e05"},"content":{"rendered":"<h2>\u4ec0\u4e48\u662f\u53cd\u5e8f\u5217\u5316\u6f0f\u6d1e&#xff1f;\u4e00\u7bc7\u6587\u7ae0\u8bb2\u6e05\u695a<\/h2>\n<p>\u5728\u73b0\u4ee3\u5e94\u7528\u7a0b\u5e8f\u5f00\u53d1\u4e2d&#xff0c;\u5bf9\u8c61\u5e8f\u5217\u5316\u4e0e\u53cd\u5e8f\u5217\u5316\u662f\u6781\u4e3a\u5e38\u89c1\u7684\u64cd\u4f5c\u3002\u5b83\u4eec\u8ba9\u6570\u636e\u80fd\u591f\u5728\u4e0d\u540c\u7cfb\u7edf\u3001\u4e0d\u540c\u8bed\u8a00\u751a\u81f3\u4e0d\u540c\u65f6\u95f4\u4e4b\u95f4\u4f20\u8f93\u548c\u5b58\u50a8\u3002\u7136\u800c&#xff0c;\u5f53\u5f00\u53d1\u8005\u5bf9\u53cd\u5e8f\u5217\u5316\u8fc7\u7a0b\u7f3a\u4e4f\u8db3\u591f\u7684\u5b89\u5168\u610f\u8bc6\u65f6&#xff0c;\u5c31\u53ef\u80fd\u5f15\u5165\u4e25\u91cd\u7684\u5b89\u5168\u6f0f\u6d1e\u2014\u2014\u53cd\u5e8f\u5217\u5316\u6f0f\u6d1e\u3002\u8fd9\u79cd\u6f0f\u6d1e\u4e00\u65e6\u88ab\u653b\u51fb\u8005\u5229\u7528&#xff0c;\u8f7b\u5219\u5bfc\u81f4\u6570\u636e\u6cc4\u9732&#xff0c;\u91cd\u5219\u5f15\u53d1\u8fdc\u7a0b\u4ee3\u7801\u6267\u884c&#xff0c;\u5b8c\u5168\u63a7\u5236\u670d\u52a1\u5668\u3002\u672c\u6587\u5c06\u6df1\u5165\u6d45\u51fa\u5730\u8bb2\u89e3\u53cd\u5e8f\u5217\u5316\u6f0f\u6d1e\u7684\u539f\u7406\u3001\u5371\u5bb3\u3001\u5e38\u89c1\u573a\u666f\u4ee5\u53ca\u9632\u5fa1\u63aa\u65bd\u3002<\/p>\n<hr \/>\n<h3>1. \u4ec0\u4e48\u662f\u5e8f\u5217\u5316\u4e0e\u53cd\u5e8f\u5217\u5316&#xff1f;<\/h3>\n<p>\u5728\u7f16\u7a0b\u4e2d&#xff0c;\u5e8f\u5217\u5316&#xff08;Serialization&#xff09; \u662f\u5c06\u5185\u5b58\u4e2d\u7684\u5bf9\u8c61&#xff08;Object&#xff09;\u8f6c\u6362\u6210\u5b57\u8282\u6d41&#xff08;\u5982\u5b57\u7b26\u4e32\u3001\u4e8c\u8fdb\u5236\u6570\u636e&#xff09;\u7684\u8fc7\u7a0b&#xff0c;\u4ee5\u4fbf\u4e8e\u5b58\u50a8&#xff08;\u5982\u5b58\u5165\u6587\u4ef6\u3001\u6570\u636e\u5e93&#xff09;\u6216\u4f20\u8f93&#xff08;\u5982\u7f51\u7edc\u901a\u4fe1&#xff09;\u3002\u53cd\u5e8f\u5217\u5316&#xff08;Deserialization&#xff09; \u5219\u662f\u5c06\u5b57\u8282\u6d41\u8fd8\u539f\u56de\u5185\u5b58\u5bf9\u8c61\u7684\u8fc7\u7a0b\u3002<\/p>\n<p>\u4e3e\u4e2a\u4f8b\u5b50&#xff0c;\u5728 Web \u5e94\u7528\u4e2d&#xff0c;\u7528\u6237\u767b\u5f55\u540e&#xff0c;\u670d\u52a1\u5668\u53ef\u80fd\u4f1a\u5c06\u7528\u6237\u5bf9\u8c61\u5e8f\u5217\u5316\u540e\u5b58\u5165 Session&#xff0c;\u4e0b\u6b21\u8bf7\u6c42\u65f6\u518d\u53cd\u5e8f\u5217\u5316\u6062\u590d\u7528\u6237\u4fe1\u606f\u3002\u53c8\u5982&#xff0c;\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e4b\u95f4\u901a\u8fc7 JSON\u3001XML \u6216\u4e8c\u8fdb\u5236\u683c\u5f0f\u4f20\u9012\u6570\u636e&#xff0c;\u672c\u8d28\u4e5f\u662f\u4e00\u79cd\u5e8f\u5217\u5316\/\u53cd\u5e8f\u5217\u5316\u3002<\/p>\n<p>\u8bb8\u591a\u7f16\u7a0b\u8bed\u8a00\u90fd\u5185\u7f6e\u4e86\u5e8f\u5217\u5316\u673a\u5236&#xff0c;\u4f8b\u5982&#xff1a;<\/p>\n<ul>\n<li>Java&#xff1a;java.io.Serializable \u63a5\u53e3&#xff0c;ObjectInputStream \/ ObjectOutputStream<\/li>\n<li>PHP&#xff1a;serialize() \/ unserialize() \u51fd\u6570<\/li>\n<li>Python&#xff1a;pickle \u6a21\u5757<\/li>\n<li>.NET&#xff1a;BinaryFormatter\u3001DataContractSerializer \u7b49<\/li>\n<\/ul>\n<p>\u8fd9\u4e9b\u673a\u5236\u867d\u7136\u65b9\u4fbf&#xff0c;\u4f46\u5982\u679c\u53cd\u5e8f\u5217\u5316\u7684\u6570\u636e\u53ef\u4ee5\u88ab\u653b\u51fb\u8005\u63a7\u5236&#xff0c;\u5c31\u5f88\u53ef\u80fd\u5f15\u53d1\u5b89\u5168\u95ee\u9898\u3002<\/p>\n<hr \/>\n<h3>2. \u53cd\u5e8f\u5217\u5316\u6f0f\u6d1e\u7684\u539f\u7406<\/h3>\n<p>\u53cd\u5e8f\u5217\u5316\u6f0f\u6d1e\u7684\u6838\u5fc3\u5728\u4e8e&#xff1a;\u653b\u51fb\u8005\u80fd\u591f\u6784\u9020\u6076\u610f\u7684\u5e8f\u5217\u5316\u6570\u636e&#xff0c;\u5f53\u5e94\u7528\u7a0b\u5e8f\u53cd\u5e8f\u5217\u5316\u8fd9\u4e9b\u6570\u636e\u65f6&#xff0c;\u4f1a\u89e6\u53d1\u975e\u9884\u671f\u7684\u4ee3\u7801\u6267\u884c\u6216\u884c\u4e3a\u3002<\/p>\n<p>\u4e3a\u4ec0\u4e48\u53cd\u5e8f\u5217\u5316\u4f1a\u6267\u884c\u4ee3\u7801&#xff1f;\u56e0\u4e3a\u5f88\u591a\u8bed\u8a00\u7684\u53cd\u5e8f\u5217\u5316\u8fc7\u7a0b\u4e0d\u4ec5\u4ec5\u662f\u6062\u590d\u6570\u636e&#xff0c;\u8fd8\u4f1a\u81ea\u52a8\u8c03\u7528\u5bf9\u8c61\u7684\u67d0\u4e9b\u7279\u6b8a\u65b9\u6cd5&#xff08;\u4f8b\u5982\u6784\u9020\u51fd\u6570\u3001\u6790\u6784\u51fd\u6570\u3001__wakeup()\u3001readObject() \u7b49&#xff09;\u3002\u653b\u51fb\u8005\u53ef\u4ee5\u901a\u8fc7\u7cbe\u5fc3\u9009\u62e9\u6216\u6784\u9020\u7279\u5b9a\u7684\u7c7b&#xff0c;\u5229\u7528\u8fd9\u4e9b\u65b9\u6cd5\u6267\u884c\u5371\u9669\u64cd\u4f5c\u3002<\/p>\n<h4>2.1 \u5bf9\u8c61\u6ce8\u5165<\/h4>\n<p>\u5982\u679c\u5e94\u7528\u7a0b\u5e8f\u5141\u8bb8\u53cd\u5e8f\u5217\u5316\u4efb\u610f\u7c7b&#xff0c;\u653b\u51fb\u8005\u53ef\u4ee5\u4f20\u5165\u4e00\u4e2a\u6076\u610f\u7c7b\u7684\u5e8f\u5217\u5316\u6570\u636e&#xff0c;\u5f53\u7a0b\u5e8f\u53cd\u5e8f\u5217\u5316\u65f6&#xff0c;\u8be5\u7c7b\u7684\u5bf9\u8c61\u5c31\u4f1a\u88ab\u521b\u5efa&#xff0c;\u5e76\u53ef\u80fd\u81ea\u52a8\u6267\u884c\u5176\u5185\u90e8\u4ee3\u7801&#xff08;\u4f8b\u5982\u5728\u6784\u9020\u51fd\u6570\u4e2d\u6267\u884c\u7cfb\u7edf\u547d\u4ee4&#xff09;\u3002<\/p>\n<h4>2.2 \u9b54\u672f\u65b9\u6cd5\/\u751f\u547d\u5468\u671f\u65b9\u6cd5<\/h4>\n<p>\u8bb8\u591a\u8bed\u8a00\u5728\u53cd\u5e8f\u5217\u5316\u65f6\u4f1a\u81ea\u52a8\u8c03\u7528\u7279\u5b9a\u7684\u9b54\u672f\u65b9\u6cd5&#xff1a;<\/p>\n<ul>\n<li>PHP&#xff1a;__wakeup()\u3001__destruct()\u3001__toString() \u7b49<\/li>\n<li>Java&#xff1a;readObject()\u3001readResolve()\u3001readExternal() \u7b49<\/li>\n<li>Python&#xff1a;__reduce__() \u53ef\u4ee5\u6307\u5b9a\u53cd\u5e8f\u5217\u5316\u65f6\u5982\u4f55\u91cd\u5efa\u5bf9\u8c61&#xff0c;\u751a\u81f3\u6307\u5b9a\u8981\u6267\u884c\u7684\u51fd\u6570<\/li>\n<\/ul>\n<p>\u653b\u51fb\u8005\u901a\u5e38\u4f1a\u5bfb\u627e\u5e94\u7528\u7a0b\u5e8f\u5df2\u6709\u7684\u7c7b&#xff08;\u79f0\u4e3a gadget&#xff09;&#xff0c;\u8fd9\u4e9b\u7c7b\u4e2d\u7684\u9b54\u672f\u65b9\u6cd5\u5305\u542b\u53ef\u5229\u7528\u7684\u64cd\u4f5c&#xff08;\u5982\u6587\u4ef6\u64cd\u4f5c\u3001\u547d\u4ee4\u6267\u884c\u3001\u6570\u636e\u5e93\u67e5\u8be2\u7b49&#xff09;&#xff0c;\u7136\u540e\u5c06\u8fd9\u4e9b gadget \u4e32\u8054\u8d77\u6765&#xff0c;\u5f62\u6210\u4e00\u6761\u653b\u51fb\u94fe&#xff08;gadget chain&#xff09;&#xff0c;\u6700\u7ec8\u5b9e\u73b0\u4efb\u610f\u4ee3\u7801\u6267\u884c\u3002<\/p>\n<hr \/>\n<h3>3. \u6f0f\u6d1e\u7684\u5371\u5bb3<\/h3>\n<p>\u53cd\u5e8f\u5217\u5316\u6f0f\u6d1e\u7684\u4e25\u91cd\u7a0b\u5ea6\u53d6\u51b3\u4e8e\u53ef\u5229\u7528\u7684\u7c7b\u548c\u65b9\u6cd5\u3002\u901a\u5e38&#xff0c;\u653b\u51fb\u8005\u53ef\u4ee5\u8fbe\u5230\u4ee5\u4e0b\u76ee\u7684&#xff1a;<\/p>\n<ul>\n<li>\u8fdc\u7a0b\u4ee3\u7801\u6267\u884c&#xff08;RCE&#xff09;&#xff1a;\u5728\u670d\u52a1\u5668\u4e0a\u6267\u884c\u4efb\u610f\u7cfb\u7edf\u547d\u4ee4&#xff0c;\u5b8c\u5168\u63a7\u5236\u670d\u52a1\u5668\u3002<\/li>\n<li>\u62d2\u7edd\u670d\u52a1&#xff08;DoS&#xff09;&#xff1a;\u901a\u8fc7\u6784\u9020\u6076\u610f\u7684\u53cd\u5e8f\u5217\u5316\u6570\u636e\u5bfc\u81f4\u7a0b\u5e8f\u5d29\u6e83\u6216\u65e0\u9650\u5faa\u73af\u3002<\/li>\n<li>\u6743\u9650\u63d0\u5347&#xff1a;\u4fee\u6539\u53cd\u5e8f\u5217\u5316\u540e\u7684\u5bf9\u8c61\u5c5e\u6027&#xff0c;\u7ed5\u8fc7\u8eab\u4efd\u9a8c\u8bc1\u6216\u6388\u6743\u68c0\u67e5\u3002<\/li>\n<li>\u6570\u636e\u7be1\u6539\/\u6cc4\u9732&#xff1a;\u5229\u7528\u53cd\u5e8f\u5217\u5316\u8fc7\u7a0b\u8bfb\u53d6\u654f\u611f\u6587\u4ef6\u6216\u4fee\u6539\u6570\u636e\u3002<\/li>\n<\/ul>\n<p>\u5386\u53f2\u4e0a&#xff0c;\u8bb8\u591a\u8457\u540d\u7684\u6f0f\u6d1e\u90fd\u5c5e\u4e8e\u53cd\u5e8f\u5217\u5316\u6f0f\u6d1e&#xff0c;\u4f8b\u5982&#xff1a;<\/p>\n<ul>\n<li>Apache Commons Collections \u53cd\u5e8f\u5217\u5316\u6f0f\u6d1e&#xff08;Java&#xff09;<\/li>\n<li>Fastjson \u53cd\u5e8f\u5217\u5316\u6f0f\u6d1e<\/li>\n<li>PHP \u7684 unserialize() \u6f0f\u6d1e&#xff08;\u5982 ThinkPHP \u6846\u67b6\u6f0f\u6d1e&#xff09;<\/li>\n<li>Python Pickle \u53cd\u5e8f\u5217\u5316\u6f0f\u6d1e<\/li>\n<li>WebLogic\u3001JBoss\u3001Jenkins \u7b49\u4e2d\u95f4\u4ef6\u7684\u53cd\u5e8f\u5217\u5316\u6f0f\u6d1e<\/li>\n<\/ul>\n<hr \/>\n<h3>4. \u5e38\u89c1\u573a\u666f\u4e0e\u5b9e\u4f8b<\/h3>\n<h4>4.1 PHP \u53cd\u5e8f\u5217\u5316\u6f0f\u6d1e<\/h4>\n<p>PHP \u7684 unserialize() \u51fd\u6570\u975e\u5e38\u5371\u9669&#xff0c;\u5982\u679c\u4f20\u5165\u7684\u53c2\u6570\u6765\u81ea\u7528\u6237\u8f93\u5165&#xff0c;\u653b\u51fb\u8005\u5c31\u53ef\u4ee5\u6784\u9020 payload\u3002<\/p>\n<p>\u6709\u6f0f\u6d1e\u7684\u4ee3\u7801\u793a\u4f8b&#xff1a;<\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name-definition class-name\">User<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token variable\">$username<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token variable\">$isAdmin<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">function<\/span> <span class=\"token function-definition function\">__destruct<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token variable\">$this<\/span><span class=\"token operator\">-&gt;<\/span><span class=\"token property\">isAdmin<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token function\">system<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string double-quoted-string\">&#034;echo &#034;<\/span> <span class=\"token operator\">.<\/span> <span class=\"token variable\">$this<\/span><span class=\"token operator\">-&gt;<\/span><span class=\"token property\">username<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token variable\">$data<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token variable\">$_GET<\/span><span class=\"token punctuation\">[<\/span><span class=\"token string single-quoted-string\">&#039;data&#039;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token variable\">$user<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">unserialize<\/span><span class=\"token punctuation\">(<\/span><span class=\"token variable\">$data<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u76f4\u63a5\u4ece\u7528\u6237\u8f93\u5165\u53cd\u5e8f\u5217\u5316<\/span><\/p>\n<p>\u653b\u51fb\u8005\u53ef\u4ee5\u6784\u9020\u5e8f\u5217\u5316\u6570\u636e&#xff1a;<\/p>\n<p>O:4:&#034;User&#034;:2:{s:8:&#034;username&#034;;s:9:&#034;; rm -rf \/&#034;;s:7:&#034;isAdmin&#034;;b:1;}<\/p>\n<p>\u5f53\u53cd\u5e8f\u5217\u5316\u540e&#xff0c;\u5bf9\u8c61\u9500\u6bc1\u65f6\u4f1a\u6267\u884c __destruct()&#xff0c;\u5bfc\u81f4 system(&#034;echo ; rm -rf \/&#034;) \u88ab\u6267\u884c&#xff0c;\u5220\u9664\u670d\u52a1\u5668\u6587\u4ef6\u3002<\/p>\n<h4>4.2 Java \u53cd\u5e8f\u5217\u5316\u6f0f\u6d1e<\/h4>\n<p>Java \u7684\u53cd\u5e8f\u5217\u5316\u6f0f\u6d1e\u901a\u5e38\u4f9d\u8d56\u4e8e Apache Commons Collections \u7b49\u5e93\u4e2d\u7684 gadget\u3002\u653b\u51fb\u8005\u751f\u6210\u4e00\u4e2a\u5305\u542b\u6076\u610f\u547d\u4ee4\u7684\u5e8f\u5217\u5316\u5bf9\u8c61&#xff0c;\u901a\u8fc7 RMI\u3001JMX\u3001HTTP \u7b49\u63a5\u53e3\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u3002<\/p>\n<p>\u4f8b\u5982&#xff0c;ysoserial \u5de5\u5177\u53ef\u4ee5\u751f\u6210\u9488\u5bf9\u4e0d\u540c gadget \u7684 payload&#xff1a;<\/p>\n<p>java -jar ysoserial.jar CommonsCollections1 <span class=\"token string\">&#039;calc.exe&#039;<\/span> <span class=\"token operator\">&gt;<\/span> payload.ser<\/p>\n<p>\u7136\u540e\u901a\u8fc7\u6f0f\u6d1e\u70b9\u53d1\u9001\u8fd9\u4e2a payload&#xff0c;\u670d\u52a1\u5668\u53cd\u5e8f\u5217\u5316\u540e\u5c31\u4f1a\u5f39\u51fa\u8ba1\u7b97\u5668&#xff08;\u6d4b\u8bd5\u73af\u5883&#xff09;\u3002<\/p>\n<h4>4.3 Python Pickle \u6f0f\u6d1e<\/h4>\n<p>Python \u7684 pickle \u6a21\u5757\u5728\u53cd\u5e8f\u5217\u5316\u65f6&#xff0c;\u53ef\u4ee5\u901a\u8fc7 __reduce__ \u65b9\u6cd5\u6307\u5b9a\u4efb\u610f\u51fd\u6570\u6267\u884c\u3002<\/p>\n<p>\u6709\u6f0f\u6d1e\u7684\u4ee3\u7801&#xff1a;<\/p>\n<p><span class=\"token keyword\">import<\/span> pickle<\/p>\n<p>data <span class=\"token operator\">&#061;<\/span> <span class=\"token builtin\">input<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Enter data: &#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\nobj <span class=\"token operator\">&#061;<\/span> pickle<span class=\"token punctuation\">.<\/span>loads<span class=\"token punctuation\">(<\/span>data<span class=\"token punctuation\">)<\/span>  <span class=\"token comment\"># \u4ece\u7528\u6237\u8f93\u5165\u53cd\u5e8f\u5217\u5316<\/span><\/p>\n<p>\u653b\u51fb\u8005\u53ef\u4ee5\u6784\u9020&#xff1a;<\/p>\n<p><span class=\"token keyword\">import<\/span> pickle<br \/>\n<span class=\"token keyword\">import<\/span> os<\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Exploit<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token keyword\">def<\/span> <span class=\"token function\">__reduce__<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token punctuation\">(<\/span>os<span class=\"token punctuation\">.<\/span>system<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;whoami&#039;<\/span><span class=\"token punctuation\">,<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>payload <span class=\"token operator\">&#061;<\/span> pickle<span class=\"token punctuation\">.<\/span>dumps<span class=\"token punctuation\">(<\/span>Exploit<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token keyword\">print<\/span><span class=\"token punctuation\">(<\/span>payload<span class=\"token punctuation\">)<\/span><\/p>\n<p>\u5f53\u670d\u52a1\u5668\u53cd\u5e8f\u5217\u5316\u8fd9\u4e2a payload \u65f6&#xff0c;\u5c31\u4f1a\u6267\u884c os.system(&#039;whoami&#039;)\u3002<\/p>\n<hr \/>\n<h3>5. \u4e3a\u4ec0\u4e48\u53cd\u5e8f\u5217\u5316\u6f0f\u6d1e\u96be\u4ee5\u9632\u8303&#xff1f;<\/h3>\n<li>\u9690\u853d\u6027&#xff1a;\u6f0f\u6d1e\u70b9\u5f80\u5f80\u9690\u85cf\u5728\u6df1\u5c42\u4ee3\u7801\u4e2d&#xff0c;\u5f00\u53d1\u8005\u53ef\u80fd\u4e0d\u77e5\u9053\u54ea\u4e9b\u7c7b\u4f1a\u88ab\u53cd\u5e8f\u5217\u5316\u3002<\/li>\n<li>\u94fe\u5f0f\u5229\u7528&#xff1a;\u653b\u51fb\u8005\u53ef\u4ee5\u7ec4\u5408\u591a\u4e2a\u770b\u4f3c\u65e0\u5bb3\u7684\u7c7b&#xff0c;\u6700\u7ec8\u5f62\u6210\u653b\u51fb\u94fe\u3002<\/li>\n<li>\u6d41\u884c\u5e93\u7684\u7f3a\u9677&#xff1a;\u8bb8\u591a\u5e7f\u6cdb\u4f7f\u7528\u7684\u5e93&#xff08;\u5982 Apache Commons Collections&#xff09;\u90fd\u66fe\u662f\u6f0f\u6d1e\u7684\u6e90\u5934\u3002<\/li>\n<li>\u4e1a\u52a1\u9700\u6c42&#xff1a;\u6709\u4e9b\u529f\u80fd\u5fc5\u987b\u53cd\u5e8f\u5217\u5316\u5916\u90e8\u6570\u636e&#xff08;\u5982 session\u3001\u7f13\u5b58\u3001RPC&#xff09;&#xff0c;\u5f88\u96be\u5b8c\u5168\u7981\u7528\u3002<\/li>\n<hr \/>\n<h3>6. \u9632\u5fa1\u63aa\u65bd<\/h3>\n<h4>6.1 \u907f\u514d\u53cd\u5e8f\u5217\u5316\u4e0d\u53ef\u4fe1\u6570\u636e<\/h4>\n<p>\u6700\u6839\u672c\u7684\u9632\u5fa1\u662f\u6c38\u8fdc\u4e0d\u8981\u53cd\u5e8f\u5217\u5316\u6765\u81ea\u4e0d\u53ef\u4fe1\u6e90\u7684\u6570\u636e\u3002\u5982\u679c\u5fc5\u987b\u63a5\u6536\u5916\u90e8\u6570\u636e&#xff0c;\u5c3d\u91cf\u4f7f\u7528\u7b80\u5355\u7684\u6570\u636e\u683c\u5f0f&#xff08;\u5982 JSON\u3001XML&#xff09;\u5e76\u914d\u5408\u4e25\u683c\u7684 schema \u6821\u9a8c&#xff0c;\u800c\u4e0d\u662f\u76f4\u63a5\u4f7f\u7528\u8bed\u8a00\u7684\u539f\u751f\u53cd\u5e8f\u5217\u5316\u3002<\/p>\n<h4>6.2 \u4f7f\u7528\u5b89\u5168\u7684\u66ff\u4ee3\u65b9\u6848<\/h4>\n<ul>\n<li>\u5bf9\u4e8e Java&#xff0c;\u53ef\u4ee5\u8003\u8651\u4f7f\u7528 Jackson\u3001Gson \u7b49\u5904\u7406 JSON&#xff0c;\u907f\u514d\u4f7f\u7528 ObjectInputStream\u3002<\/li>\n<li>\u5bf9\u4e8e Python&#xff0c;\u7528 json \u6a21\u5757\u4ee3\u66ff pickle\u3002<\/li>\n<li>\u5bf9\u4e8e PHP&#xff0c;\u7528 json_encode \/ json_decode \u4ee3\u66ff serialize \/ unserialize\u3002<\/li>\n<\/ul>\n<h4>6.3 \u7c7b\u578b\u767d\u540d\u5355<\/h4>\n<p>\u5982\u679c\u5fc5\u987b\u4f7f\u7528\u539f\u751f\u53cd\u5e8f\u5217\u5316&#xff0c;\u53ef\u4ee5\u5b9e\u65bd\u4e25\u683c\u7684\u767d\u540d\u5355&#xff0c;\u53ea\u5141\u8bb8\u53cd\u5e8f\u5217\u5316\u7279\u5b9a\u7684\u7c7b\u3002\u4f8b\u5982 Java \u4e2d\u53ef\u4ee5\u91cd\u5199 ObjectInputStream \u7684 resolveClass() \u65b9\u6cd5&#xff0c;\u68c0\u67e5\u7c7b\u540d\u3002<\/p>\n<h4>6.4 \u7b7e\u540d\u4e0e\u52a0\u5bc6<\/h4>\n<p>\u5bf9\u5e8f\u5217\u5316\u6570\u636e\u8fdb\u884c\u6570\u5b57\u7b7e\u540d\u6216\u52a0\u5bc6&#xff0c;\u786e\u4fdd\u6570\u636e\u5728\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u672a\u88ab\u7be1\u6539&#xff0c;\u4e14\u53ea\u6709\u53ef\u4fe1\u65b9\u624d\u80fd\u751f\u6210\u6709\u6548\u6570\u636e\u3002<\/p>\n<h4>6.5 \u53ca\u65f6\u66f4\u65b0\u5e93\u548c\u6846\u67b6<\/h4>\n<p>\u8bb8\u591a\u53cd\u5e8f\u5217\u5316\u6f0f\u6d1e\u662f\u7531\u4e8e\u7b2c\u4e09\u65b9\u5e93\u7684\u5df2\u77e5 gadget \u9020\u6210\u7684\u3002\u4fdd\u6301\u5e93\u7248\u672c\u6700\u65b0&#xff0c;\u53ca\u65f6\u6253\u8865\u4e01\u3002<\/p>\n<h4>6.6 \u8fd0\u884c\u65f6\u76d1\u63a7\u4e0e\u9632\u62a4<\/h4>\n<p>\u4f7f\u7528 Web \u5e94\u7528\u9632\u706b\u5899&#xff08;WAF&#xff09;\u3001RASP \u7b49\u5de5\u5177\u68c0\u6d4b\u6076\u610f\u53cd\u5e8f\u5217\u5316 payload\u3002<\/p>\n<h4>6.7 \u4ee3\u7801\u5ba1\u8ba1\u4e0e\u5b89\u5168\u6d4b\u8bd5<\/h4>\n<p>\u5728\u5f00\u53d1\u9636\u6bb5\u8fdb\u884c\u5b89\u5168\u5ba1\u8ba1&#xff0c;\u4f7f\u7528\u81ea\u52a8\u5316\u5de5\u5177\u626b\u63cf\u53cd\u5e8f\u5217\u5316\u6f0f\u6d1e&#xff0c;\u5e76\u8fdb\u884c\u6e17\u900f\u6d4b\u8bd5\u3002<\/p>\n<hr \/>\n<h3>7. \u603b\u7ed3<\/h3>\n<p>\u53cd\u5e8f\u5217\u5316\u6f0f\u6d1e\u662f\u4e00\u79cd\u975e\u5e38\u5371\u9669\u7684\u6f0f\u6d1e\u7c7b\u578b&#xff0c;\u5b83\u5229\u7528\u4e86\u7a0b\u5e8f\u5728\u91cd\u5efa\u5bf9\u8c61\u65f6\u81ea\u52a8\u6267\u884c\u7684\u903b\u8f91&#xff0c;\u8ba9\u653b\u51fb\u8005\u6709\u673a\u4f1a\u6ce8\u5165\u6076\u610f\u4ee3\u7801\u3002\u5b83\u7684\u5f71\u54cd\u8303\u56f4\u6781\u5e7f&#xff0c;\u4ece Web \u5e94\u7528\u5230\u4f01\u4e1a\u4e2d\u95f4\u4ef6&#xff0c;\u4ece PHP \u5230 Java\u3001Python&#xff0c;\u90fd\u53ef\u80fd\u5b58\u5728\u98ce\u9669\u3002<\/p>\n<p>\u7406\u89e3\u53cd\u5e8f\u5217\u5316\u6f0f\u6d1e\u7684\u5173\u952e\u5728\u4e8e\u8ba4\u8bc6\u5230&#xff1a;\u53cd\u5e8f\u5217\u5316\u4e0d\u4ec5\u662f\u6570\u636e\u8fd8\u539f&#xff0c;\u66f4\u662f\u4ee3\u7801\u6267\u884c\u7684\u6f5c\u5728\u5165\u53e3\u3002\u5f00\u53d1\u8005\u5fc5\u987b\u8c28\u614e\u5bf9\u5f85\u6240\u6709\u5916\u90e8\u8f93\u5165\u7684\u5e8f\u5217\u5316\u6570\u636e&#xff0c;\u5c3d\u91cf\u4f7f\u7528\u5b89\u5168\u7684\u66ff\u4ee3\u683c\u5f0f&#xff0c;\u5e76\u5bf9\u65e0\u6cd5\u907f\u514d\u7684\u53cd\u5e8f\u5217\u5316\u64cd\u4f5c\u5b9e\u65bd\u4e25\u683c\u7684\u63a7\u5236\u3002<\/p>\n<p>\u5b89\u5168\u65e0\u5c0f\u4e8b&#xff0c;\u5e0c\u671b\u901a\u8fc7\u672c\u6587&#xff0c;\u4f60\u80fd\u5bf9\u53cd\u5e8f\u5217\u5316\u6f0f\u6d1e\u6709\u6e05\u6670\u7684\u8ba4\u8bc6&#xff0c;\u5e76\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\u91c7\u53d6\u6709\u6548\u7684\u9632\u5fa1\u63aa\u65bd&#xff0c;\u907f\u514d\u8ba9\u5e94\u7528\u66b4\u9732\u5728\u98ce\u9669\u4e4b\u4e2d\u3002<\/p>\n<h4>\u7f51\u7edc\u5b89\u5168\u5b66\u4e60\u8d44\u6e90\u5206\u4eab:<\/h4>\n<p>\u7ed9\u5927\u5bb6\u5206\u4eab\u4e00\u4efd\u5168\u5957\u7684\u7f51\u7edc\u5b89\u5168\u5b66\u4e60\u8d44\u6599&#xff0c;\u7ed9\u90a3\u4e9b\u60f3\u5b66\u4e60 \u7f51\u7edc\u5b89\u5168\u7684\u5c0f\u4f19\u4f34\u4eec\u4e00\u70b9\u5e2e\u52a9&#xff01;<\/p>\n<p>\u5bf9\u4e8e\u4ece\u6765\u6ca1\u6709\u63a5\u89e6\u8fc7\u7f51\u7edc\u5b89\u5168\u7684\u540c\u5b66&#xff0c;\u6211\u4eec\u5e2e\u4f60\u51c6\u5907\u4e86\u8be6\u7ec6\u7684\u5b66\u4e60\u6210\u957f\u8def\u7ebf\u56fe\u3002\u53ef\u4ee5\u8bf4\u662f\u6700\u79d1\u5b66\u6700\u7cfb\u7edf\u7684\u5b66\u4e60\u8def\u7ebf&#xff0c;\u5927\u5bb6\u8ddf\u7740\u8fd9\u4e2a\u5927\u7684\u65b9\u5411\u5b66\u4e60\u51c6\u6ca1\u95ee\u9898\u3002<\/p>\n<h6>&#x1f449;1.\u6210\u957f\u8def\u7ebf\u56fe&amp;\u5b66\u4e60\u89c4\u5212&#x1f448;<\/h6>\n<p>\u8981\u5b66\u4e60\u4e00\u95e8\u65b0\u7684\u6280\u672f&#xff0c;\u4f5c\u4e3a\u65b0\u624b\u4e00\u5b9a\u8981\u5148\u5b66\u4e60\u6210\u957f\u8def\u7ebf\u56fe&#xff0c;\u65b9\u5411\u4e0d\u5bf9&#xff0c;\u52aa\u529b\u767d\u8d39\u3002<\/p>\n<p>\u5bf9\u4e8e\u4ece\u6765\u6ca1\u6709\u63a5\u89e6\u8fc7\u7f51\u7edc\u5b89\u5168\u7684\u540c\u5b66&#xff0c;\u6211\u4eec\u5e2e\u4f60\u51c6\u5907\u4e86\u8be6\u7ec6\u7684\u5b66\u4e60\u6210\u957f\u8def\u7ebf\u56fe&amp;\u5b66\u4e60\u89c4\u5212\u3002\u53ef\u4ee5\u8bf4\u662f\u6700\u79d1\u5b66\u6700\u7cfb\u7edf\u7684\u5b66\u4e60\u8def\u7ebf&#xff0c;\u5927\u5bb6\u8ddf\u7740\u8fd9\u4e2a\u5927\u7684\u65b9\u5411\u5b66\u4e60\u51c6\u6ca1\u95ee\u9898\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/08\/20260826164037-6a8f170503cd0.webp\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/08\/20260826164037-6a8f17050eefb.webp\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h6>&#x1f449;2.\u7f51\u5b89\u5165\u95e8\u5230\u8fdb\u9636\u89c6\u9891\u6559\u7a0b&#x1f448;<\/h6>\n<p>\u5f88\u591a\u670b\u53cb\u90fd\u4e0d\u559c\u6b22\u6666\u6da9\u7684\u6587\u5b57&#xff0c;\u6211\u4e5f\u4e3a\u5927\u5bb6\u51c6\u5907\u4e86\u89c6\u9891\u6559\u7a0b&#xff0c;\u5176\u4e2d\u4e00\u5171\u670921\u4e2a\u7ae0\u8282&#xff0c;\u6bcf\u4e2a\u7ae0\u8282\u90fd\u662f\u5f53\u524d\u677f\u5757\u7684\u7cbe\u534e\u6d53\u7f29\u3002****&#xff08;\u5168\u5957\u6559\u7a0b\u6587\u672b\u9886\u53d6\u54c8&#xff09; <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/08\/20260826164037-6a8f170519d88.webp\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/08\/20260826164037-6a8f170524620.webp\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h6>&#x1f449;3.SRC&amp;\u9ed1\u5ba2\u6587\u6863&#x1f448;<\/h6>\n<p>\u5927\u5bb6\u6700\u559c\u6b22\u4e5f\u662f\u6700\u5173\u5fc3\u7684SRC\u6280\u672f\u6587\u7c4d&amp;\u9ed1\u5ba2\u6280\u672f\u4e5f\u6709\u6536\u5f55<\/p>\n<p>SRC\u6280\u672f\u6587\u7c4d&#xff1a;<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/08\/20260826164037-6a8f17052f047.webp\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" 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