{"id":5957,"date":"2026-10-08T12:03:43","date_gmt":"2026-10-08T04:03:43","guid":{"rendered":"https:\/\/blog.billows.com.tw\/?p=5957"},"modified":"2026-10-08T12:03:56","modified_gmt":"2026-10-08T04:03:56","slug":"%e5%8f%b0%e7%81%a3%e7%b6%b2%e8%b7%af%e8%a8%ad%e5%82%99%e6%88%90%e7%82%ba%e6%94%bb%e6%93%8a%e9%8f%88%e4%b8%80%e7%92%b0%ef%bc%8caverat-%e4%bb%a5%e6%ad%a3%e5%b8%b8-smtp-%e6%b5%81%e9%87%8f%e6%8e%a9","status":"publish","type":"post","link":"https:\/\/blog.billows.com.tw\/?p=5957","title":{"rendered":"\u53f0\u7063\u7db2\u8def\u8a2d\u5099\u6210\u70ba\u653b\u64ca\u93c8\u4e00\u74b0\uff0cAVERAT \u4ee5\u6b63\u5e38 SMTP \u6d41\u91cf\u63a9\u8b77\u5f8c\u9580\u901a\u8a0a"},"content":{"rendered":"\n

\u53f0\u7063\u7db2\u8def\u8a2d\u5099\u6210\u70ba Linux \u5f8c\u9580\u653b\u64ca\u93c8\u7684\u4e00\u74b0\u3002<\/strong><\/p>\n\n\n\n

\u8cc7\u5b89\u696d\u8005 Rapid7 \u6700\u65b0\u63ed\u9732<\/a>\u4e00\u6279\u91dd\u5c0d\u96fb\u4fe1\u8207\u7db2\u8def\u908a\u7de3\u74b0\u5883\u7684 Linux \u60e1\u610f\u7a0b\u5f0f\u6d3b\u52d5\uff0c\u5176\u4e2d\u5305\u62ec\u6b64\u524d\u672a\u516c\u958b\u7684 AVERAT \u5f8c\u9580<\/strong>\u3002\u7814\u7a76\u4eba\u54e1\u5728\u53f0\u7063\u8a2d\u5099\u74b0\u5883\u767c\u73fe 6 \u500b AVERAT \u6a23\u672c\uff0c\u4e26\u5206\u6790\u51fa\u4e00\u5957\u7591\u4f3c\u5c08\u70ba\u773e\u81f3\u8cc7\u8a0a (ShareTech<\/em>)\u8a2d\u5099\u74b0\u5883\u6253\u9020\u7684\u60e1\u610f\u5b89\u88dd\u7a0b\u5f0f\u3002<\/p>\n\n\n\n

\u66f4\u503c\u5f97\u53f0\u7063\u4f01\u696d\u6ce8\u610f\u7684\u662f\uff0cRapid7 \u5f9e AVERAT \u7684\u8a2d\u5b9a\u8cc7\u6599\u4e2d\u9032\u4e00\u6b65\u767c\u73fe 3 \u53f0\u4f4d\u65bc\u53f0\u7063\u7684\u8a2d\u5099\u5df2\u906d\u653b\u64ca\u8005\u5165\u4fb5\uff0c\u4e26\u88ab\u62ff\u4f86\u7576\u4f5c AVERAT \u7684\u4e2d\u7e7c\u57fa\u790e\u8a2d\u65bd<\/strong>\u3002\u9019\u4e9b\u8a2d\u5099\u5206\u5225\u4f4d\u65bc\u53f0\u5357\u3001\u677f\u6a4b\u8207\u6843\u5712\uff0c\u7686\u4f4d\u65bc\u4e2d\u83ef\u96fb\u4fe1 HiNet \u7db2\u8def\u74b0\u5883\u3002<\/p>\n\n\n\n

\u9019\u4ee3\u8868\u9019\u8d77\u4e8b\u4ef6\u4e0d\u80fd\u53ea\u7406\u89e3\u6210\u300c\u67d0\u4e00\u6b3e Linux \u5f8c\u9580\u51fa\u73fe\u300d\u3002<\/p>\n\n\n\n

\u5f9e\u8cc7\u5b89\u89d2\u5ea6\u4f86\u770b\uff0c\u66f4\u503c\u5f97\u8b66\u89ba\u7684\u662f\uff1a\u653b\u64ca\u8005\u6b63\u5728\u628a\u53f0\u7063\u4f01\u696d\u8207\u7db2\u8def\u74b0\u5883\u4e2d\u7684\u8a2d\u5099\uff0c\u8f49\u8b8a\u6210\u81ea\u5df1\u7684\u96b1\u853d\u901a\u8a0a\u7bc0\u9ede\uff0c\u9032\u4e00\u6b65\u63a9\u8b77\u5f8c\u7e8c\u653b\u64ca\u6d3b\u52d5\u3002<\/strong><\/p>\n\n\n\n

AVERAT <\/strong>\u6700\u5371\u96aa\u7684\u5730\u65b9\uff0c\u4e0d\u53ea\u662f\u300c\u5f8c\u9580\u300d\uff0c\u800c\u662f\u85cf\u5f97\u50cf\u6b63\u5e38\u90f5\u4ef6\u6d41\u91cf<\/strong><\/p>\n\n\n\n

Rapid7 \u5c07\u9019\u6279\u6d3b\u52d5\u7684\u6838\u5fc3\u7279\u5fb5\u6b78\u7d0d\u70ba\u300c\u5340\u57df\u5316\u507d\u88dd\u300d\u3002<\/p>\n\n\n\n

\u653b\u64ca\u8005\u6703\u6839\u64da\u76ee\u6a19\u74b0\u5883\u4e2d\u5be6\u969b\u4f7f\u7528\u7684\u8edf\u9ad4\u8207\u8a2d\u5099\uff0c\u8abf\u6574\u60e1\u610f\u7a0b\u5f0f\u7684\u7a0b\u5e8f\u540d\u7a31\u3001\u6a94\u6848\u540d\u7a31\u53ca\u901a\u8a0a\u65b9\u5f0f\uff0c\u8b93\u5b83\u770b\u8d77\u4f86\u66f4\u50cf\u7cfb\u7d71\u539f\u672c\u5c31\u5b58\u5728\u7684\u6b63\u5e38\u5143\u4ef6\u3002<\/p>\n\n\n\n

AVERAT \u5c31\u662f\u4e00\u500b\u5178\u578b\u6848\u4f8b\u3002<\/p>\n\n\n\n

\u9019\u500b\u5f8c\u9580\u6703\u900f\u904e TCP\/25\uff0c\u4e5f\u5c31\u662f SMTP \u5e38\u898b\u7684\u90f5\u4ef6\u901a\u8a0a\u57e0<\/strong>\u5c0d\u5916\u9023\u7dda\uff0c\u751a\u81f3\u6703\u5148\u9032\u884c EHLO\u3001\u8981\u6c42 STARTTLS\uff0c\u518d\u5efa\u7acb\u81ea\u5df1\u7684\u52a0\u5bc6\u901a\u8a0a\u3002\u5c0d\u90f5\u4ef6\u5b89\u5168\u8a2d\u5099\u800c\u8a00\uff0c\u5c0d\u5916\u5efa\u7acb SMTP \u9023\u7dda\u672c\u4f86\u5c31\u662f\u6b63\u5e38\u5de5\u4f5c\uff0c\u56e0\u6b64\u55ae\u7d14\u5f9e\u7db2\u8def\u6d41\u91cf\u4f86\u770b\uff0c\u60e1\u610f\u901a\u8a0a\u5f88\u53ef\u80fd\u8207\u6b63\u5e38\u90f5\u4ef6\u670d\u52d9\u6df7\u5728\u4e00\u8d77\u3002<\/p>\n\n\n\n

\u66f4\u91cd\u8981\u7684\u662f\uff0cAVERAT \u7684\u56de\u9023\u6642\u9593\u4e5f\u4e0d\u662f\u56fa\u5b9a\u503c\uff0c\u800c\u662f\u5728\u7d04 600 \u81f3 699 \u79d2\u4e4b\u9593\uff0c\u4e26\u4e14\u53ef\u7531\u653b\u64ca\u8005\u4fee\u6539\u3002<\/p>\n\n\n\n

\u4e5f\u5c31\u662f\u8aaa\uff0c\u5982\u679c\u4f01\u696d\u53ea\u4f9d\u9760\u300c\u7570\u5e38\u9023\u63a5\u57e0\u300d\u6216\u56fa\u5b9a\u9031\u671f\u7684\u7db2\u8def\u7279\u5fb5\u4f86\u6293\u5f8c\u9580\uff0c\u5f88\u53ef\u80fd\u6703\u6f0f\u6389\u9019\u985e\u85cf\u5728\u6b63\u5e38\u670d\u52d9\u6d41\u91cf\u88e1\u7684\u653b\u64ca\u3002<\/strong><\/p>\n\n\n\n

\"\"
Photo Credit: Rapid 7<\/figcaption><\/figure>\n\n\n\n

\u53f0\u7063\u90e8\u5206\u6700\u503c\u5f97\u6ce8\u610f\uff1a\u7591\u4f3c\u91dd\u5c0dSharetech\u74b0\u5883\u6253\u9020<\/strong><\/p>\n\n\n\n

Rapid7 \u767c\u73fe\u4e00\u500b ELF \u683c\u5f0f\u7684 Dropper\uff0c\u6975\u53ef\u80fd\u662f\u91dd\u5c0d\u773e\u81f3\u8cc7\u8a0a\u8a2d\u5099\u74b0\u5883\u6240\u8a2d\u8a08\u3002<\/p>\n\n\n\n

\u5176\u4e2d\u4e00\u500b\u975e\u5e38\u7279\u6b8a\u7684\u7d30\u7bc0\u662f\uff0cDropper \u7684\u52a0\u5bc6\u91d1\u9470\u884d\u751f\u65b9\u5f0f\u76f4\u63a5\u4f7f\u7528 \u300cShareTech\u300d<\/strong> \u5b57\u4e32\u3002\u60e1\u610f\u7a0b\u5f0f\u9032\u4e00\u6b65\u5f9e\u8a2d\u5099\u7684 \/addpkg\/sbin\/ \u76ee\u9304\u53d6\u5f97\u6a94\u6848\uff0c\u5c07\u60e1\u610f\u5143\u4ef6\u8907\u88fd\u5230 \/sbin\/\uff0c\u4e26\u507d\u88dd\u6210 ntpdate\u3001udevds \u7b49\u770b\u4f3c\u6b63\u5e38\u7684 Linux \u7a0b\u5e8f\u3002<\/p>\n\n\n\n

\u57f7\u884c\u5f8c\uff0c\u60e1\u610f\u6a94\u6848\u6703\u5728\u7d04 10 \u79d2\u5167\u5f9e\u78c1\u789f\u522a\u9664\uff0c\u4f46\u7a0b\u5e8f\u4ecd\u6301\u7e8c\u904b\u4f5c\uff0c\u5c0e\u81f4\u7cfb\u7d71\u7ba1\u7406\u8005\u5373\u4f7f\u4e8b\u5f8c\u6aa2\u67e5 \/sbin\/\uff0c\u4e5f\u53ef\u80fd\u627e\u4e0d\u5230\u539f\u672c\u7684\u60e1\u610f\u6a94\u6848\u3002<\/p>\n\n\n\n

Rapid7 \u66f4\u6307\u51fa\uff0c\u9019\u7a2e\u505a\u6cd5\u8b93\u6a94\u6848\u578b\u5075\u6e2c\u8b8a\u5f97\u56f0\u96e3\uff0c\u61c9\u6539\u5f9e \/proc\/<pid>\/exe \u662f\u5426\u51fa\u73fe (deleted)\u3001\u8a18\u61b6\u9ad4\u4e2d\u7684\u53ef\u57f7\u884c\u9801\u9762\uff0c\u4ee5\u53ca\u7a0b\u5e8f\u555f\u52d5\u93c8\u7b49\u65b9\u5411\u8abf\u67e5\u3002<\/p>\n\n\n\n

\u4f46\u76ee\u524d\u4e0d\u80fd\u76f4\u63a5\u8aaa\u300cShareTech \u6709\u6f0f\u6d1e\u300d<\/strong><\/p>\n\n\n\n

\u9019\u4e00\u9ede\u5fc5\u9808\u7279\u5225\u91d0\u6e05\u3002<\/p>\n\n\n\n

Rapid7 \u7684\u7814\u7a76\u8b49\u660e\u7684\u662f\uff1a\u6709\u4e00\u500b Dropper \u7684\u6280\u8853\u7279\u5fb5\u9ad8\u5ea6\u6307\u5411\u773e\u81f3\u8cc7\u8a0a\u8a2d\u5099\u74b0\u5883<\/strong>\uff0c\u5305\u62ec\u4f7f\u7528\u300cShareTech\u300d\u4f5c\u70ba\u91d1\u9470\u884d\u751f\u4f86\u6e90\uff0c\u4ee5\u53ca\u5f9e\u8a2d\u5099\u7279\u5b9a\u76ee\u9304\u53d6\u5f97\u60e1\u610f\u5143\u4ef6\u3002<\/p>\n\n\n\n

\u4f46 Rapid7 \u4e26\u6c92\u6709\u78ba\u8a8d\u653b\u64ca\u8005\u6700\u521d\u662f\u900f\u904e\u54ea\u4e00\u500b\u6f0f\u6d1e\u53d6\u5f97\u8a2d\u5099\u5b58\u53d6\u6b0a\u9650\uff0c\u4e5f\u6c92\u6709\u8b49\u5be6\u9019\u8d77\u4e8b\u4ef6\u662f\u7531\u773e\u81f3\u8cc7\u8a0a\u7279\u5b9a\u7522\u54c1\u6f0f\u6d1e\u9020\u6210<\/strong>\u3002<\/p>\n\n\n\n

\u773e\u81f3\u8cc7\u8a0a\u5728\u4e8b\u4ef6\u8aaa\u660e<\/a>\u4e2d\u4e5f\u5f37\u8abf\uff0c\u76ee\u524d\u516c\u958b\u7814\u7a76\u5c1a\u672a\u8aaa\u660e\u521d\u59cb\u5165\u4fb5\u65b9\u5f0f\uff0c\u4ea6\u672a\u78ba\u8a8d\u4e8b\u4ef6\u662f\u7531\u7279\u5b9a\u7522\u54c1\u6f0f\u6d1e\u9020\u6210\uff1b\u516c\u53f8\u8868\u793a\u73fe\u884c ShareTech \u90f5\u4ef6\u4f3a\u670d\u5668\u5177\u5099\u7570\u5e38\u6a94\u6848\u53ca\u53ef\u7591\u57f7\u884c\u884c\u70ba\u5075\u6e2c\u6a5f\u5236\uff0c\u82e5\u767c\u73fe\u554f\u984c\u5c07\u63d0\u4f9b\u5fc5\u8981\u66f4\u65b0\u3002<\/p>\n\n\n\n

\u56e0\u6b64\uff0c\u76ee\u524d\u6700\u7cbe\u78ba\u7684\u8aaa\u6cd5\u61c9\u8a72\u662f\uff1a<\/p>\n\n\n\n

Rapid7 <\/strong>\u767c\u73fe\u7591\u4f3c\u91dd\u5c0d ShareTech \u8a2d\u5099\u74b0\u5883\u8a2d\u8a08\u7684\u60e1\u610f\u5b89\u88dd\u7a0b\u5f0f\uff0c\u4f46\u521d\u59cb\u5165\u4fb5\u9014\u5f91\u8207\u662f\u5426\u6d89\u53ca\u7522\u54c1\u6f0f\u6d1e\uff0c\u4ecd\u5f85\u9032\u4e00\u6b65\u78ba\u8a8d\u3002<\/strong><\/p>\n\n\n\n

\u9019\u500b\u5340\u5206\u5c0d\u53f0\u7063\u4f01\u696d\u975e\u5e38\u91cd\u8981\uff0c\u907f\u514d\u628a\u300c\u653b\u64ca\u8005\u91dd\u5c0d\u67d0\u8a2d\u5099\u958b\u767c\u60e1\u610f\u7a0b\u5f0f\u300d\u76f4\u63a5\u7b49\u540c\u65bc\u300c\u8a72\u7522\u54c1\u5b58\u5728\u5df2\u78ba\u8a8d\u6f0f\u6d1e\u300d\u3002<\/p>\n\n\n\n

\u66f4\u4ee4\u4eba\u64d4\u5fc3\u7684\u662f\uff1a\u53f0\u7063\u8a2d\u5099\u88ab\u62ff\u4f86\u7576\u300c\u8df3\u677f\u300d<\/strong><\/p>\n\n\n\n

Rapid7 \u7684\u8abf\u67e5\u9084\u63ed\u9732\u53e6\u4e00\u500b\u53f0\u7063\u4f01\u696d\u66f4\u5bb9\u6613\u5ffd\u7565\u7684\u98a8\u96aa\u3002<\/p>\n\n\n\n

\u7814\u7a76\u4eba\u54e1\u5f9e AVERAT \u7684\u8a2d\u5b9a\u8cc7\u6599\u4e2d\u627e\u5230 3 \u500b\u4e2d\u7e7c\u7bc0\u9ede\uff0c\u9032\u4e00\u6b65\u5206\u6790\u5f8c\u767c\u73fe\uff0c\u9019\u4e9b\u90fd\u662f\u4f4d\u65bc\u53f0\u7063\u7684\u7b2c\u4e09\u65b9\u8a2d\u5099\uff0c\u5305\u62ec\u4e00\u53f0\u53f0\u7063\u71c3\u6599\u96f6\u552e\u696d\u8005\u4f7f\u7528\u7684 Synology NAS\u3001\u4e00\u53f0\u5d4c\u5165\u5f0f\u7db2\u8def\u8a2d\u5099\uff0c\u4ee5\u53ca\u4e00\u53f0 \u5927\u83ef(Dahua) \u5f71\u50cf\u9304\u5f71\u8a2d\u5099\u3002<\/p>\n\n\n\n

\u9019\u4e9b\u8a2d\u5099\u4e26\u4e0d\u662f\u653b\u64ca\u8005\u81ea\u5df1\u7684\u4f3a\u670d\u5668\uff0c\u800c\u662f\u5148\u906d\u5230\u5165\u4fb5\uff0c\u518d\u88ab\u62ff\u4f86\u96b1\u85cf\u771f\u6b63\u7684\u653b\u64ca\u4f86\u6e90<\/strong>\u3002<\/p>\n\n\n\n

Rapid7 \u8a8d\u70ba\uff0c\u9019\u4e9b\u8a2d\u5099\u5177\u6709\u5171\u540c\u7279\u5fb5\uff1a\u53ef\u5f9e\u7db2\u969b\u7db2\u8def\u9023\u7dda\u3001\u672a\u4fee\u88dc\u3001\u7f3a\u4e4f\u76e3\u63a7\uff0c\u800c\u4e14\u4e0d\u5bb9\u6613\u88ab\u5b9a\u671f\u7a3d\u6838\u3002\u653b\u64ca\u8005\u56e0\u6b64\u53ef\u4ee5\u5229\u7528\u5b83\u5011\u5efa\u7acb\u4e2d\u7e7c\u5c64\uff0c\u8b93\u771f\u6b63\u7684 C2 \u901a\u8a0a\u66f4\u96e3\u8ffd\u8e64\u3002<\/p>\n\n\n\n

\u9019\u5c0d\u53f0\u7063\u4f01\u696d\u7684\u8b66\u793a\u975e\u5e38\u76f4\u63a5\uff1a<\/p>\n\n\n\n

\u4f60\u7684\u8a2d\u5099\u5373\u4f7f\u4e0d\u662f\u653b\u64ca\u8005\u771f\u6b63\u60f3\u653b\u64ca\u7684\u76ee\u6a19\uff0c\u4e5f\u53ef\u80fd\u88ab\u62ff\u4f86\u7576\u6210\u653b\u64ca\u5225\u4eba\u7684\u8df3\u677f\u3002<\/strong><\/p>\n\n\n\n

\u70ba\u4ec0\u9ebc\u300c\u908a\u754c\u8a2d\u5099\u300d\u7279\u5225\u5371\u96aa\uff1f<\/strong><\/p>\n\n\n\n

Rapid7 \u767c\u73fe\u7684 AVERAT \u4e26\u4e0d\u662f\u55ae\u7d14\u7aca\u53d6\u8cc7\u6599\u7684\u5de5\u5177\u3002<\/p>\n\n\n\n

\u5b83\u5177\u5099\u6a94\u6848\u4e0a\u50b3\u3001\u4e0b\u8f09\u3001\u76ee\u9304\u63a2\u7d22\u3001\u7a0b\u5e8f\u5217\u8209\u3001\u7a0b\u5e8f\u7d42\u6b62\u3001\u4e92\u52d5\u5f0f Shell\uff0c\u4ee5\u53ca Proxy\uff0fPort Forward \u7b49\u529f\u80fd\u3002<\/p>\n\n\n\n

\u5176\u4e2d Proxy \u8207 Port Forward \u5c24\u5176\u503c\u5f97\u6ce8\u610f\u3002<\/p>\n\n\n\n

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