{"id":51159,"date":"2017-07-20T16:12:42","date_gmt":"2017-07-20T08:12:42","guid":{"rendered":"https:\/\/blog.trendmicro.com.tw\/?p=51159"},"modified":"2017-07-21T13:51:52","modified_gmt":"2017-07-21T05:51:52","slug":"%e9%8e%96%e5%ae%9a%e3%80%8csambacry%e3%80%8d%e6%bc%8f%e6%b4%9e%e7%9a%84%e6%96%b0%e5%a8%81%e8%84%85%e7%8f%be%e8%ba%ab%ef%bc%8c-linux-%e4%bd%bf%e7%94%a8%e8%80%85%e8%ab%8b%e7%9b%a1%e9%80%9f%e6%9b%b4","status":"publish","type":"post","link":"https:\/\/blog.trendmicro.com.tw\/?p=51159","title":{"rendered":"\u9396\u5b9a\u300cSambaCry\u300d\u6f0f\u6d1e\u7684\u65b0\u5a01\u8105\u73fe\u8eab\uff0c Linux \u4f7f\u7528\u8005\u8acb\u76e1\u901f\u66f4\u65b0\u7cfb\u7d71\u00a0"},"content":{"rendered":"<blockquote>\n<p style=\"line-height: 18.0pt;\"><span lang=\"EN-US\" style=\"font-size: 10.5pt; font-family: '\u5fae\u8edf\u6b63\u9ed1\u9ad4',sans-serif; color: #333333;\">Samba<\/span><span style=\"font-size: 10.5pt; font-family: '\u5fae\u8edf\u6b63\u9ed1\u9ad4',sans-serif; color: #333333;\">\u7684\u8cc7\u5b89\u5f31\u9ede\u5373\u4fbf\u7d93\u904e\u4fee\u88dc\uff0c\u65b0\u7684\u5f31\u9ede\u4e5f\u9678\u7e8c\u51fa\u73fe\u3002\u8da8\u52e2\u79d1\u6280\u8fd1\u671f\u767c\u73fe\u99ed\u5ba2\u53ef\u5229\u7528<span lang=\"EN-US\">SMB<\/span>\u5f31\u9ede\uff08<span lang=\"EN-US\">CVE-2017-7494<\/span>\uff09\u9032\u884c\u653b\u64ca\uff0c \u5f71\u97ff\u7bc4\u570d\u70ba<span lang=\"EN-US\">Samba 3.5.0<\/span>\u958b\u59cb\u7684\u6240\u6709\u7248\u672c\u3002<\/span><\/p>\n<p style=\"line-height: 18.0pt;\"><span style=\"font-size: 10.5pt; font-family: '\u5fae\u8edf\u6b63\u9ed1\u9ad4',sans-serif; color: #333333;\">\u9664\u4e86<span lang=\"EN-US\">Windows<\/span>\u4f5c\u696d\u7cfb\u7d71\u4e3b\u6a5f\u4ee5\u5916\uff0c<span lang=\"EN-US\">Linux<\/span>\u4f5c\u696d\u7cfb\u7d71\u53ea\u8981\u555f\u7528<span lang=\"EN-US\">SMB<\/span>\u670d\u52d9\uff0c\u4e5f\u6709\u53ef\u80fd\u906d\u53d7\u653b\u64ca\u3002\u99ed\u5ba2\u6703\u5229\u7528\u6b64\u5f31\u9ede\u653b\u64ca<span lang=\"EN-US\"> Linux <\/span>\u7cfb\u7d71\u8a2d\u5099\uff08\u5305\u542b\u7db2\u8def\u5132\u5b58\u8a2d\u5099<span lang=\"EN-US\"> (NAS)<\/span>\u3001<span lang=\"EN-US\">IoT<\/span>\u8a2d\u5099\uff09\uff0c\u4e00\u65e6\u6210\u529f\u5f8c\u5373\u690d\u5165\u60e1\u610f\u7a0b\u5f0f\u3002<\/span><\/p>\n<p style=\"line-height: 18.0pt;\"><span style=\"font-size: 10.5pt; font-family: '\u5fae\u8edf\u6b63\u9ed1\u9ad4',sans-serif; color: #333333;\">\u4f01\u696d\u74b0\u5883\uff08\u653f\u5e9c\u3001\u88fd\u9020\u696d\u3001\u91d1\u878d\u696d\uff09\u5927\u91cf\u4f7f\u7528<span lang=\"EN-US\"> Linux <\/span>\u4f5c\u696d\u7cfb\u7d71\u4f3a\u670d\u5668\uff0c\u4e14\u5927\u90e8\u5206\u5747\u70ba\u95dc\u9375\u696d\u52d9\u7cfb\u7d71\u3002\u800c<span lang=\"EN-US\">Linux<\/span>\u5e38\u88ab\u8a8d\u70ba\u7cfb\u7d71\u5b89\u5168\u6027\u9ad8\uff0c\u8f03\u4e0d\u6703\u88ab\u5165\u4fb5\uff0c\u56e0\u6b64\u8f03\u6613\u758f\u65bc\u7ba1\u7406\u3001\u66f4\u65b0\u3001\u9632\u8b77\u3002\u99ed\u5ba2\u53ef\u80fd\u5229\u7528\u6b64\u60c5\u5f62\uff0c\u7d50\u5408\u76ee\u6a19\u5f0f\u653b\u64ca\u8207\u5167\u7db2\u64f4\u6563\u624b\u6cd5\u653b\u64ca\u6b64\u5f31\u9ede\uff0c\u5165\u4fb5\u81f3\u4f3a\u670d\u5668\u5f8c\u52a0\u5bc6\u6a94\u6848\uff0c\u9032\u884c\u52d2\u7d22\u3002\u56e0\u6b64\uff0c\u8da8\u52e2\u79d1\u6280\u5efa\u8b70\u60a8\uff0c\u9664\u4e86<span lang=\"EN-US\">Windows<\/span>\u4f5c\u696d\u7cfb\u7d71\u9700\u5b89\u88dd\u4fee\u88dc\u7a0b\u5f0f\u5916\uff0c<span lang=\"EN-US\"> Linux <\/span>\u4f5c\u696d\u7cfb\u7d71\u4e5f\u61c9\u6642\u6642\u4fdd\u6301\u66f4\u65b0\u3002<\/span><\/p>\n<p style=\"line-height: 18.0pt;\"><span style=\"font-size: 10.5pt; font-family: '\u5fae\u8edf\u6b63\u9ed1\u9ad4',sans-serif; color: #333333;\">\u82e5\u5ba2\u6236\u5728\u5167\u90e8\u7db2\u8def\u767c\u73fe\u6b64\u5f31\u9ede\u653b\u64ca\u4e8b\u4ef6\uff0c\u6975\u53ef\u80fd\u4ee3\u8868\u653b\u64ca\u5df2\u9032\u5165\u5230\u5167\u7db2\u64f4\u6563\u968e\u6bb5\uff0c\u53ef\u642d\u914d<span lang=\"EN-US\">DDI<\/span>\u5075\u6e2c\u5167\u7db2\u64f4\u6563\u653b\u64ca\u4f86\u6e90\u3002<\/span><\/p>\n<\/blockquote>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/blog.trendmicro.com.tw\/wp-content\/uploads\/2014\/09\/red-alret.jpg\" width=\"383\" height=\"383\" \/><\/p>\n<p>Windows \u6a94\u6848\u8207\u5370\u8868\u6a5f\u5206\u4eab SMB \u901a\u8a0a\u5354\u5b9a\u7684\u958b\u653e\u539f\u59cb\u78bc\u8edf\u9ad4 Samba \u7576\u4e2d,\u4e00\u500b\u64c1\u6709\u4e03\u5e74\u6b77\u53f2\u7684\u6f0f\u6d1e\u96d6\u7136\u5728\u53bb\u5e74 5 \u6708\u5df2\u7d93\u4fee\u5fa9\uff0c\u4f46\u81f3\u4eca\u4ecd\u4e0d\u65b7\u51fa\u73fe\u653b\u64ca\u6848\u4f8b\u3002\u6839\u64da\u8a72\u516c\u53f8\u767c\u5e03\u7684\u4e00\u9805<a href=\"https:\/\/www.samba.org\/samba\/security\/CVE-2017-7494.html\">\u5b89\u5168\u516c\u544a<\/a>\u6307\u51fa\uff0c\u6b64\u6f0f\u6d1e\u53ef\u8b93\u99ed\u5ba2\u4e0a\u50b3\u4e00\u500b\u7a0b\u5f0f\u5eab\u5230\u53ef\u5beb\u5165\u7684\u516c\u7528\u8cc7\u6599\u593e\uff0c\u4e26\u4fc3\u4f7f\u4f3a\u670d\u5668\u8f09\u5165\u4e26\u57f7\u884c\u8a72\u7a0b\u5f0f\u5eab\u3002\u99ed\u5ba2\u4e00\u65e6\u5f97\u901e\uff0c\u5c31\u80fd\u5728\u53d7\u5bb3\u88dd\u7f6e\u4e0a\u958b\u555f\u4e00\u500b\u6307\u4ee4\u5217\u4ecb\u9762 (command shell) \u4f86\u64cd\u63a7\u8a72\u88dd\u7f6e\u3002\u6240\u6709 Samba 3.5.0 \u8d77\u7684\u7248\u672c\u7686\u53d7\u6b64\u6f0f\u6d1e\u5f71\u97ff\u3002<\/p>\n<p>\u6b64\u6f0f\u6d1e (CVE-2017-7494) \u547d\u540d\u70ba\u300cSambaCry\u300d\uff0c\u56e0\u70ba\u5b83\u548c\u00a0<a href=\"https:\/\/blog.trendmicro.com.tw\/?cat=3220\">WannaCry(\u60f3\u54ed)<\/a>\u52d2\u7d22\u8815\u87f2\u6240\u5229\u7528\u7684 SMB \u6f0f\u6d1e\u6709\u5e7e\u5206\u985e\u4f3c\u3002\u6b64\u6f0f\u6d1e\u662f\u5728 2017 \u5e74 6 \u6708<a href=\"https:\/\/www.trendmicro.com\/vinfo\/us\/security\/news\/cybercrime-and-digital-threats\/security-101-the-impact-of-cryptocurrency-mining-malware\/\">\u6578\u4f4d\u8ca8\u5e63\u63a1\u7926\u7a0b\u5f0f EternalMiner\/CPUMiner<\/a>\u00a0\u5229\u7528\u5b83\u4f86\u5165\u4fb5 Linux \u96fb\u8166\u4ee5\u958b\u63a1\u58a8\u5167\u7f85 (Monero) \u6578\u4f4d\u8ca8\u5e63\u624d\u56e0\u800c\u66dd\u5149\u3002\u6839\u64da\u5148\u524d\u8da8\u52e2\u79d1\u6280\u6240\u8490\u96c6\u5230\u7684\u6a23\u672c\u986f\u793a\uff0cSambaCry \u53ea\u88ab\u7528\u4f86\u653b\u64ca\u4f3a\u670d\u5668\uff0c\u4e14\u99ed\u5ba2\u9802\u591a\u662f\u5229\u7528\u53d7\u5bb3\u4f3a\u670d\u5668\u4f86\u958b\u63a1\u6578\u4f4d\u8ca8\u5e63\u3002\u4f46\u6839\u64da\u8fd1\u671f\u7684\u8cc7\u6599\uff0c\u99ed\u5ba2\u5df2\u7d93\u6703\u5229\u7528 SambaCry \u4f86\u5f9e\u4e8b\u5176\u4ed6\u7528\u9014\u3002<\/p>\n<p><strong>\u653b\u64ca<a href=\"https:\/\/blog.trendmicro.com.tw\/?p=8802\">\u7269\u806f\u7db2\uff08IoT ,Internet of Thing\uff09<\/a>\u88dd\u7f6e\uff0c\u5c24\u5176\u662f\u4e2d\u5c0f\u4f01\u696d\u7d93\u5e38\u7528\u5230\u7684 NAS \u7db2\u8def\u5132\u5b58\u88dd\u7f6e<\/strong><\/p>\n<p>\u9019\u500b\u8f03\u65b0\u7684\u60e1\u610f\u7a0b\u5f0f\u8da8\u52e2\u79d1\u6280\u547d\u540d\u70ba <a href=\"https:\/\/www.trendmicro.com\/vinfo\/us\/threat-encyclopedia\/malware\/elf_shellbind.a\">ELF_SHELLBIND.A<\/a>\uff0c\u767c\u73fe\u65e5\u671f\u70ba 7 \u6708 3 \u65e5\u3002\u985e\u4f3c\u5148\u524d\u5831\u5c0e\u904e\u7684 SambaCry \u653b\u64ca\u6848\u4f8b\uff0c\u5b83\u540c\u6a23\u4e5f\u6703\u5728\u53d7\u5bb3\u7cfb\u7d71\u4e0a\u958b\u555f\u6307\u4ee4\u5217\u4ecb\u9762\u3002\u4e0d\u904e\uff0cELF_SHELLBIND.A \u8207\u5148\u524d\u5229\u7528 SambaCry \u7684\u653b\u64ca\u6709\u4e9b\u622a\u7136\u4e0d\u540c\u4e4b\u8655\u3002\u9996\u5148\uff0c\u5b83\u6703\u653b\u64ca<a href=\"https:\/\/blog.trendmicro.com.tw\/?p=8802\">\u7269\u806f\u7db2\uff08IoT ,Internet of Thing\uff09<\/a>\u88dd\u7f6e\uff0c\u5c24\u5176\u662f\u4e2d\u5c0f\u4f01\u696d\u7d93\u5e38\u7528\u5230\u7684 NAS \u7db2\u8def\u5132\u5b58\u88dd\u7f6e\u3002\u5176\u6b21\uff0cELF_SHELLBIND \u4e5f\u653b\u64ca\u63a1\u7528\u5176\u4ed6 CPU \u67b6\u69cb\u7684\u7cfb\u7d71\uff0c\u5982\uff1aMIPS\u3001ARM \u548c PowerPC\u3002\u9019\u662f\u9996\u6b21 SambaCry \u88ab\u7528\u65bc\u6578\u4f4d\u8ca8\u5e63\u958b\u63a1\u4ee5\u5916\u7684\u7528\u9014\u3002<\/p>\n<p><strong><em>\u60e1\u610f\u7a0b\u5f0f\u5206\u6790<\/em><\/strong><\/p>\n<p>\u5167\u5efa Samba \u8edf\u9ad4\u7684\u88dd\u7f6e\u5f88\u591a\uff0c\u96a8\u4fbf\u4e0a Shodan \u641c\u5c0b\u4e00\u4e0b\u5c31\u80fd\u627e\u5230\uff1a\u6307\u5b9a\u641c\u5c0b 445 \u9023\u63a5\u57e0\u7136\u5f8c\u8f38\u5165\u300csamba\u300d\u9019\u500b\u5b57\u4e32\u5c31\u80fd\u5f97\u5230\u4e00\u4efd IP \u6e05\u55ae\u3002\u99ed\u5ba2\u53ea\u9700\u64b0\u5beb\u4e00\u500b\u5de5\u5177\u81ea\u52d5\u5c07\u60e1\u610f\u7684\u6a94\u6848\u5beb\u5165\u6e05\u55ae\u4e2d\u7684\u6bcf\u500b IP \u4f4d\u5740\u3002\u99ed\u5ba2\u4e00\u65e6\u6210\u529f\u5c07\u6a94\u6848\u5beb\u5165\u516c\u7528\u8cc7\u6599\u593e\uff0c\u542b\u6709 SambaCry \u6f0f\u6d1e\u7684\u88dd\u7f6e\u5c31\u6703\u6210\u70ba ELF_SHELLBIND.A \u7684\u53d7\u5bb3\u8005\u3002<!--more--><\/p>\n<p>\u5982\u4ee5\u4e0b\u5716 1 \u6240\u793a\uff0cELF_SHELLBIND.A \u548c\u5148\u524d\u653b\u64ca SambaCry \u6f0f\u6d1e\u7684\u63a1\u7926\u7a0b\u5f0f\u985e\u4f3c\uff0c\u5927\u591a\u4ee5\u5171\u7528\u7269\u4ef6\u6a94 (.SO) \u7a0b\u5f0f\u5eab\u578b\u614b\u51fa\u73fe\u5728\u516c\u7528\u8cc7\u6599\u593e\u3002\u9664\u6b64\u4e4b\u5916\uff0c\u8da8\u52e2\u79d1\u6280\u6703\u770b\u5230\u5b83\u5229\u7528 SambaCry \u6f0f\u6d1e\u8b93\u00a0<em>samba_init_module<\/em> \u9019\u500b\u51fd\u5f0f\u4f86\u547c\u53eb\u5b83\uff0c\u9019\u5c31\u662f\u70ba\u4f55\u542b\u6709\u6b64\u6f0f\u6d1e\u7684 Samba \u4f3a\u670d\u5668\u6703\u81ea\u52d5\u8f09\u5165\u8a72\u7a0b\u5f0f\u5eab\u3002<\/p>\n<p>\u99ed\u5ba2\u5728\u5c07 .SO \u6a94\u6848\u4e0a\u50b3\u81f3 Samba \u516c\u7528\u8cc7\u6599\u593e\u4e4b\u5f8c\uff0c\u63a5\u8457\u6703\u8a66\u5716\u731c\u51fa\u8a72\u6a94\u6848\u7684\u672c\u5730\u7aef\u7d55\u5c0d\u8def\u5f91\uff0c\u7136\u5f8c\u767c\u9001 IPC \u8acb\u6c42\u4f86\u9a19\u4f3a\u670d\u5668\u8f09\u5165\u4e26\u57f7\u884c\u8a72\u7a0b\u5f0f\u5eab\u3002<\/p>\n<figure class=\"thumbnail wp-caption alignnone\" style=\"width: 510px\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/files\/2017\/07\/SambaCry.jpg\" alt=\"\u5716 1\uff1a\u516c\u7528\u8cc7\u6599\u593e\u4e2d\u7684\u60e1\u610f\u7a0b\u5f0f\u6a23\u672c\u3002\" width=\"500\" height=\"816\" \/><figcaption class=\"caption wp-caption-text\">\u5716 1\uff1a\u516c\u7528\u8cc7\u6599\u593e\u4e2d\u7684\u60e1\u610f\u7a0b\u5f0f\u6a23\u672c\u3002<\/figcaption><\/figure>\n<p>&nbsp;<\/p>\n<p>\u4e00\u65e6\u60e1\u610f\u7a0b\u5f0f\u7d93\u7531\u524d\u8ff0\u51fd\u5f0f\u8f09\u5165\uff0c\u63a5\u8457\u6703\u547c\u53eb \u00a0<a href=\"https:\/\/github.com\/SpectraLogic\/samba\/blob\/master\/source3\/smbd\/uid.c\"><em>change_to_root_user<\/em><\/a> \u51fd\u5f0f\uff0c\u5982\u6b64\u624d\u80fd\u8b93 Samba \u80cc\u666f\u57f7\u884c\u7a0b\u5e8f (\u5c24\u5176\u662f SMBv2) \u4ee5 root \u6216\u4ee5\u7576\u524d\u4f7f\u7528\u8005\u7684 EUID \u4f86\u57f7\u884c\u3002\u63a5\u4e0b\u4f86\uff0c\u60e1\u610f\u7a0b\u5f0f\u6703\u900f\u904e\u00a0<em>detach_from_parent<\/em> \u51fd\u5f0f\u5c07\u81ea\u5df1\u8207\u7236\u57f7\u884c\u7a0b\u5e8f (Samba \u4f3a\u670d\u5668\u7684\u57f7\u884c\u7a0b\u5e8f) \u812b\u96e2\uff0c\u7368\u7acb\u6210\u80cc\u666f\u57f7\u884c\u7a0b\u5e8f\u3002\u63a5\u8457\uff0c\u60e1\u610f\u7a0b\u5f0f\u6703\u767c\u9001\u8a66\u63a2\u8a0a\u606f\u5230\u4e00\u500b\u53ef\u80fd\u662f\u5176\u5e55\u5f8c\u64cd\u7e31 (C&amp;C) \u4f3a\u670d\u5668\u6240\u5728\u7684\u4f4d\u5740\uff1a169.239.128.123 (\u7d93\u7531 TCP \u9023\u63a5\u57e0 80\uff0c\u6b64\u4f4d\u5740\u4f4d\u65bc\u6771\u975e)\u3002\u6b64\u8a66\u63a2\u8a0a\u606f\u7684\u5167\u5bb9\u53ea\u6709\u77ed\u77ed\u4e00\u884c\uff1a<\/p>\n<p><strong>HEAD \/ HTTP\/1.0<\/strong><\/p>\n<p>\u4f3a\u670d\u5668\u6536\u5230\u4e4b\u5f8c\u4e26\u4e0d\u6703\u4f5c\u51fa\u4efb\u4f55\u56de\u61c9\uff0c\u63a5\u8457\uff0c\u7db2\u8def\u9023\u7dda\u5c31\u6703\u95dc\u9589\u3002\u4f46\u6b64\u6642\uff0c\u9060\u7aef\u7684\u99ed\u5ba2\u5df2\u7d93\u53d6\u5f97\u4e86\u8a72\u7cfb\u7d71\u7684 IP \u4f4d\u5740\u3002<\/p>\n<p>\u63a5\u4e0b\u4f86\uff0c\u60e1\u610f\u7a0b\u5f0f\u6703\u522a\u9664\u7cfb\u7d71\u300ciptable\u300d\u7576\u4e2d\u53ef\u63a5\u53d7\u4f86\u81ea TCP\/61422 \u9023\u63a5\u57e0\u6240\u6709\u901a\u8a0a\u7684\u90a3\u689d\u4e32\u806f\u898f\u5247 (chain rule)\uff0c\u7136\u5f8c\u518d\u5c07\u5b83\u52a0\u5165\u4e00\u6b21\uff0c\u9019\u6a23\u9632\u706b\u7246\u5c31\u6703\u5141\u8a31\u7d93\u7531\u8a72\u9023\u63a5\u57e0\u7684\u6240\u6709 TCP \u901a\u8a0a\u3002\u7136\u5f8c\uff0c\u60e1\u610f\u7a0b\u5f0f\u6703\u958b\u555f TCP \u9023\u7dda\u4f86\u76e3\u807d 61422 \u9023\u63a5\u57e0\u4ee5\u63a5\u53d7\u4f86\u81ea\u99ed\u5ba2\u7684\u9023\u7dda\u3002\u4e00\u65e6\u99ed\u5ba2\u8207\u60e1\u610f\u7a0b\u5f0f\u5efa\u7acb\u9023\u7dda\uff0c\u60e1\u610f\u7a0b\u5f0f\u5c31\u6703\u767c\u9001\u4ee5\u4e0b\u8a0a\u606f\uff1a<\/p>\n<p><strong>Welc0me to shell<\/strong><br \/>\n<strong>Enter password:<\/strong><\/p>\n<p>\u99ed\u5ba2\u5fc5\u9808\u8f38\u5165\u4ee5\u4e0b\u5bc6\u78bc\uff1a<\/p>\n<p><strong>Q8pGZFS7N1MObJHf<\/strong><\/p>\n<p>\u7576\u99ed\u5ba2\u50b3\u4f86\u6b63\u78ba\u7684\u5bc6\u78bc\uff0c\u60e1\u610f\u7a0b\u5f0f\u5c31\u6703\u56de\u8986\u4ee5\u4e0b\u8a0a\u606f\uff1a<\/p>\n<p><strong>Access granted<\/strong><\/p>\n<p>\u5982\u679c\u6536\u5230\u7684\u5bc6\u78bc\u4e0d\u5c0d\uff0c\u9023\u7dda\u5c31\u6703\u95dc\u9589\u3002<\/p>\n<p>\u4e00\u65e6\u9023\u7dda\u5efa\u7acb\u4e26\u901a\u904e\u8a8d\u8b49\uff0c\u99ed\u5ba2\u5c31\u7b49\u65bc\u5728\u53d7\u611f\u67d3\u7684\u7cfb\u7d71\u4e0a\u958b\u555f\u4e86\u4e00\u500b\u6307\u4ee4\u5217\u4ecb\u9762\uff0c\u53ef\u8f38\u5165\u5404\u7a2e\u7cfb\u7d71\u6307\u4ee4\u4e26\u64cd\u63a7\u53d7\u611f\u67d3\u7684\u88dd\u7f6e\u3002\u60e1\u610f\u7a0b\u5f0f\u6703\u8ca0\u8cac\u57f7\u884c\u5f9e\u8a72\u9023\u7dda\u6240\u6536\u5230\u7684\u6307\u4ee4\uff0c\u5b83\u6703\u5229\u7528\u300c\/bin\/sh\u300d\u76ee\u9304\u5e95\u4e0b\u7684\u6307\u4ee4\u5217\u4ecb\u9762\u7a0b\u5f0f\u4f86\u57f7\u884c\u6307\u4ee4\uff0c\u4e26\u5c07\u6a19\u6e96\u8f38\u5165 (stdin)\u3001\u8f38\u51fa (stdout) \u548c\u932f\u8aa4\u8a0a\u606f (stderr) \u5168\u90fd\u5c0e\u5411\u99ed\u5ba2\u7684\u9023\u7dda\u3002<\/p>\n<p><em><strong>\u7d50\u8ad6\u548c\u89e3\u6c7a\u65b9\u6848<\/strong><\/em><\/p>\n<p>\u76ee\u524d\u8a72\u6f0f\u6d1e\u5df2\u7d93\u6709\u4f5c\u696d\u7cfb\u7d71\u4fee\u88dc\u7a0b\u5f0f\u53ef\u4ee5\u89e3\u6c7a\uff0c\u56e0\u6b64\u53d7\u5bb3\u8005\u7684\u6578\u91cf\u53ef\u671b\u964d\u4f4e\u3002\u6b64\u5916\uff0c\u99ed\u5ba2\u4e5f\u5fc5\u9808\u5c0d\u53d7\u5bb3\u7cfb\u7d71\u7684\u516c\u7528\u8cc7\u6599\u593e\u64c1\u6709\u5beb\u5165\u6b0a\u9650\u624d\u80fd\u5c07\u60e1\u610f\u7a0b\u5f0f\u4e0a\u50b3\u5230\u53d7\u5bb3\u7cfb\u7d71\u4e0a\uff0c\u6240\u4ee5\u9019\u4e5f\u662f\u4e00\u500b\u53ef\u4ee5\u907f\u514d\u7cfb\u7d71\u611f\u67d3\u7684\u65b9\u6cd5\u3002<\/p>\n<p>\u7531\u65bc\u8a72\u6f0f\u6d1e\u5728\u4e94\u6708\u5c31\u5df2\u7d93\u4fee\u88dc\uff0c\u4f7f\u7528\u8005\u82e5\u672c\u4f86\u5c31\u6709\u5b9a\u671f\u66f4\u65b0\u7684\u7fd2\u6163\uff0c\u61c9\u8a72\u5c31\u4e0d\u6703\u9047\u5230\u554f\u984c\u3002\u4e0d\u904e\uff0c\u63a1\u7528 Unix \u6216 Linux \u7cfb\u7d71\u7684\u88dd\u7f6e (\u6db5\u84cb\u4e86\u7d55\u5927\u591a\u6578 IoT \u88dd\u7f6e) \u5c31\u8f03\u96e3\u4ee5\u78ba\u4fdd\u5b89\u5168\u3002\u5982\u679c\u88dd\u7f6e\u555f\u7528\u4e86 Samba \u529f\u80fd\u800c\u88fd\u9020\u5ee0\u5546\u53c8\u5c1a\u672a\u91cb\u51fa\u4fee\u88dc\u66f4\u65b0\uff0c\u90a3\u9ebc\u88dd\u7f6e\u53ef\u80fd\u6703\u6709\u5371\u96aa\u3002\u4f7f\u7528\u8005\u61c9\u4e3b\u52d5\u66f4\u65b0\u6216\u8a62\u554f\u5176\u88dd\u7f6e\u88fd\u9020\u5546\u3002<\/p>\n<p><strong>\u00a0<\/strong><\/p>\n<p><strong><a href=\"https:\/\/t.rend.tw\/?i=Mzc4MQ\">\u8da8\u52e2\u79d1\u6280Deep Security<\/a><\/strong><strong>\u7684 DPI <\/strong><strong>\u6a21\u7d44\u5df2\u53ef\u963b\u64cb\u6b64\u5f31\u9ede\u653b\u64ca<\/strong><\/p>\n<p><a href=\"https:\/\/t.rend.tw\/?i=Mzc4MQ\">\u8da8\u52e2\u79d1\u6280Deep Security<\/a> \u548c<a href=\"https:\/\/www.trendmicro.tw\/tw\/business\/complete-software-protection\/index.html\">\u865b\u64ec\u4fee\u88dc<\/a>\u00a0\u53ef\u4fdd\u8b77\u7aef\u9ede\u4e26\u9632\u7bc4\u7121\u6a94\u6848\u5f0f\u7684\u611f\u67d3\u65b9\u6cd5\u53ca\u5229\u7528\u672a\u4fee\u88dc\u6f0f\u6d1e\u7684\u653b\u64ca\u3002\u4f7f\u7528\u8005\u53ef\u5229\u7528\u4e0b\u5217\u6df1\u5c64\u5c01\u5305\u6aa2\u67e5 (DPI) \u898f\u5247\u4f86\u9632\u6b62\u4efb\u4f55\u5229\u7528 SambaCry \u6f0f\u6d1e\u7684\u5a01\u8105\uff1a<\/p>\n<ul>\n<li>1008420-Samba Shared Library Remote Code Execution Vulnerability (CVE-2017-7494)<\/li>\n<\/ul>\n<p>\u82e5\u5ba2\u6236\u5728\u5167\u90e8\u7db2\u8def\u767c\u73fe\u6b64\u5f31\u9ede\u653b\u64ca\u4e8b\u4ef6\uff0c\u6975\u53ef\u80fd\u4ee3\u8868\u5167\u7db2\u64f4\u6563\uff0c\u53ef\u642d\u914d DDI \u5075\u6e2c\u5167\u7db2\u64f4\u6563\u653b\u64ca\u4f86\u6e90\u3002<\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"https:\/\/www.trendmicro.tw\/tw\/enterprise\/security-risk-management\/deep-discovery\/\">Deep Discovery<\/a>\u80fd\u5920\u5075\u6e2c\u3001\u6df1\u5165\u5206\u6790\u4e26\u4e3b\u52d5\u56de\u61c9\u6f0f\u6d1e\u653b\u64ca\u4ee5\u53ca\u5176\u4ed6\u985e\u4f3c\u5a01\u8105\uff0c\u5229\u7528\u7279\u6b8a\u7684\u5f15\u64ce\u3001\u5ba2\u88fd\u5316\u00a0<a href=\"https:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/deploying-a-smart-sandbox-for-unknown-threats-and-zero-day-attacks\/\">\u6c99\u76d2\u6a21\u64ec\u5206\u6790<\/a>\u4ee5\u53ca\u5bc6\u5207\u7684\u4ea4\u53c9\u95dc\u806f\u5206\u6790\uff0c\u5b8c\u6574\u6db5\u84cb\u7db2\u8def\u653b\u64ca\u7684\u6240\u6709\u968e\u6bb5\uff0c\u751a\u81f3\u4e0d\u9808\u66f4\u65b0\u5f15\u64ce\u6216\u75c5\u6bd2\u78bc\u5c31\u80fd\u5075\u6e2c\u9019\u985e\u653b\u64ca\u3002Deep Discovery Inspector \u5ba2\u6236\u53ef\u900f\u904e\u4ee5\u4e0b DDI \u898f\u5247\u4f86\u9632\u7bc4\u9019\u9805\u5a01\u8105\uff1a<\/p>\n<ul>\n<li>3733 SHELLBIND \u2013 TCP (Request)<\/li>\n<\/ul>\n<p>TippingPoint \u5ba2\u6236\u53ef\u5229\u7528\u4ee5\u4e0b\u904e\u6ffe\u898f\u5247\u4f86\u9632\u7bc4\uff1a<\/p>\n<ul>\n<li>29058: TCP: SambaShell Checkin<\/li>\n<\/ul>\n<p><strong><em>ELF_SHELLBIND.A \u76f8\u95dc\u7684 SHA256 \u96dc\u6e4a\u78bc\uff1a<\/em><\/strong><br \/>\nc27594b1a1ecee6a62adbaee5b00bad8e3540fe98ff3bac17fef03e0ebd62914<br \/>\n516bafdede5e7a019a71028a7125f98190ee7ab71d03bc3041c9943324a78df5<br \/>\n11f47c90393082e7fdc4213d3b888ef8b7c121a86658077465b03bb7857bc540<\/p>\n<p>&nbsp;<\/p>\n<p>\u539f\u6587\u51fa\u8655\uff1a<a href=\"https:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/linux-users-urged-update-new-threat-exploits-sambacry\/\">Linux Users Urged to Update as a New Threat Exploits SambaCry<\/a> <strong>\u4f5c\u8005\uff1aMohamad Mokbel\u3001Tim Yeh \u8207 Brian Cayanan<\/strong><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Samba\u7684\u8cc7\u5b89\u5f31\u9ede\u5373\u4fbf\u7d93\u904e\u4fee\u88dc\uff0c\u65b0\u7684\u5f31\u9ede\u4e5f\u9678\u7e8c\u51fa\u73fe\u3002\u8da8\u52e2\u79d1\u6280\u8fd1\u671f\u767c\u73fe\u99ed\u5ba2\u53ef\u5229\u7528SMB\u5f31\u9ede\uff08CVE-2017- [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_wpscppro_dont_share_socialmedia":false,"_wpscppro_custom_social_share_image":0,"_facebook_share_type":"","_twitter_share_type":"","_linkedin_share_type":"","_pinterest_share_type":"","_linkedin_share_type_page":"","_instagram_share_type":"","_medium_share_type":"","_threads_share_type":"","_google_business_share_type":"","_selected_social_profile":[],"_wpsp_enable_custom_social_template":false,"_wpsp_social_scheduling":{"enabled":false,"datetime":null,"platforms":[],"status":"template_only","dateOption":"today","timeOption":"now","customDays":"","customHours":"","customDate":"","customTime":"","schedulingType":"absolute"},"_wpsp_active_default_template":true},"categories":[12,1268,156],"tags":[1759,3401,1608,2292],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/blog.trendmicro.com.tw\/index.php?rest_route=\/wp\/v2\/posts\/51159"}],"collection":[{"href":"https:\/\/blog.trendmicro.com.tw\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.trendmicro.com.tw\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.trendmicro.com.tw\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.trendmicro.com.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=51159"}],"version-history":[{"count":0,"href":"https:\/\/blog.trendmicro.com.tw\/index.php?rest_route=\/wp\/v2\/posts\/51159\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.trendmicro.com.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=51159"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.trendmicro.com.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=51159"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.trendmicro.com.tw\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=51159"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}