[\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=”blog-detail-section”][vc_column][vc_column_text css=””]<\/p>\n

\u9ad8\u7ea7\u53d6\u8bc1\u5206\u6790<\/strong><\/h2>\n

\u5728\u8fdb\u884c\u6df1\u5ea6\u7cfb\u7edf\u5206\u6790\u65f6\uff0c\u91cd\u70b9\u5173\u6ce8\u4ee5\u4e0b\u5173\u952e\u9886\u57df\uff1a<\/p>\n

\n
• \u6587\u4ef6\u7cfb\u7edf\u5206\u6790\n
  \n
  • \u9690\u85cf\u6587\u4ef6\u548c\u76ee\u5f55<\/li>\n
  • SUID\/SGID \u4e8c\u8fdb\u5236\u6587\u4ef6<\/li>\n
  • \u6700\u8fd1\u4fee\u6539\u7684\u7cfb\u7edf\u6587\u4ef6<\/li>\n<\/ul>\n<\/li>\n
  • \u8fdb\u7a0b\u8c03\u67e5\n
    \n
    • CPU\u548c\u5185\u5b58\u4f7f\u7528\u6a21\u5f0f<\/li>\n
    • \u5f02\u5e38\u8fdb\u7a0b\u5173\u7cfb<\/li>\n
    • \u53ef\u7591\u7684\u7236\u5b50\u8fdb\u7a0b\u94fe<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n

      [\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=”blog-detail-section”][vc_column][vc_column_text css=””]<\/p>\n

      \u540e\u95e8\u6e05\u9664\u548c\u7cfb\u7edf\u6062\u590d<\/strong><\/h2>\n

      \u5728\u8bc6\u522b\u51fa\u6076\u610f\u7ec4\u4ef6\u540e\uff0c\u6267\u884c\u7cfb\u7edf\u5316\u7684\u6e05\u9664\u8fc7\u7a0b\uff0c\u540c\u65f6\u4fdd\u6301\u7cfb\u7edf\u7a33\u5b9a\u6027\u3002\u4ee5\u4e0b\u662f\u5b89\u5168\u6e05\u9664\u7684\u8be6\u7ec6\u534f\u8bae\uff1a<\/p>\n

      \n
      1. \u8fdb\u7a0b\u7ec8\u6b62\n
         \n
         • \u7ec8\u6b62\u53ef\u7591\u8fdb\u7a0b\uff1a’kill -9 [PID]’<\/li>\n
         • \u9a8c\u8bc1\u7ec8\u6b62\uff1a’ps aux | grep [PID]’<\/li>\n
         • \u68c0\u67e5\u8fdb\u7a0b\u91cd\u751f\u673a\u5236<\/li>\n<\/ul>\n<\/li>\n
         • \u6587\u4ef6\u6e05\u9664\n
           \n
           • \u5728\u5220\u9664\u524d\u9694\u79bb\u53ef\u7591\u6587\u4ef6<\/li>\n
           • \u5220\u9664\u6076\u610f\u542f\u52a8\u9879<\/li>\n
           • \u6e05\u7406\u53d7\u611f\u67d3\u7684\u7cfb\u7edf\u5e93<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n

             [\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=”blog-detail-section”][vc_column][vc_column_text css=””]<\/p>\n

             \u7cfb\u7edf\u52a0\u56fa\u5b9e\u65bd<\/strong><\/h2>\n

             \u6e05\u9664\u540e\u7684\u5b89\u5168\u52a0\u56fa\u5bf9\u4e8e\u9632\u6b62\u672a\u6765\u5165\u4fb5\u81f3\u5173\u91cd\u8981\u3002\u5b9e\u65bd\u4ee5\u4e0b\u9ad8\u7ea7\u5b89\u5168\u63aa\u65bd\uff1a<\/p>\n

             \n
             • \u7f51\u7edc\u5b89\u5168\n
               \n
               • \u914d\u7f6e\u5e26\u6709\u4e25\u683c\u89c4\u5219\u96c6\u7684iptables<\/li>\n
               • \u5b9e\u65bd\u7aef\u53e3\u6572\u95e8\u673a\u5236<\/li>\n
               • \u90e8\u7f72\u5165\u4fb5\u68c0\u6d4b\u7cfb\u7edf\uff08IDS\uff09<\/li>\n<\/ul>\n<\/li>\n
               • \u8bbf\u95ee\u63a7\u5236\n
                 \n
                 • \u5b9e\u65bdSSH\u5bc6\u94a5\u8ba4\u8bc1<\/li>\n
                 • \u914d\u7f6eSELinux\/AppArmor\u914d\u7f6e\u6587\u4ef6<\/li>\n
                 • \u542f\u7528\u6587\u4ef6\u5b8c\u6574\u6027\u76d1\u63a7<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n

                   [\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=”blog-detail-section”][vc_column][vc_column_text css=””]<\/p>\n

                   \u6301\u7eed\u76d1\u63a7\u7b56\u7565<\/strong><\/h2>\n

                   \u5efa\u7acb\u5f3a\u5927\u7684\u76d1\u63a7\u7cfb\u7edf\u4ee5\u68c0\u6d4b\u672a\u6765\u7684\u5165\u4fb5\u5c1d\u8bd5\uff1a<\/p>\n

                   \n
                   • \u5b9e\u65f6\u76d1\u63a7\u5de5\u5177\n
                     \n
                     • \u914d\u7f6eNagios\u8fdb\u884c\u7cfb\u7edf\u76d1\u63a7<\/li>\n
                     • \u5b9e\u65bdELK\u5806\u6808\u8fdb\u884c\u65e5\u5fd7\u5206\u6790<\/li>\n
                     • \u90e8\u7f72\u81ea\u5b9a\u4e49\u76d1\u63a7\u811a\u672c<\/li>\n<\/ul>\n<\/li>\n
                     • \u8b66\u62a5\u7cfb\u7edf\n
                       \n
                       • \u8bbe\u7f6e\u53ef\u7591\u6d3b\u52a8\u7684\u7535\u5b50\u90ae\u4ef6\u901a\u77e5<\/li>\n
                       • \u914d\u7f6e\u5173\u952e\u4e8b\u4ef6\u7684\u77ed\u4fe1\u63d0\u9192<\/li>\n
                       • \u5b9e\u65bd\u81ea\u52a8\u54cd\u5e94\u673a\u5236<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n

                         [\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=”blog-detail-section”][vc_column][vc_column_text css=””]<\/p>\n

                         \u81ea\u52a8\u5316\u5b89\u5168\u7ef4\u62a4<\/strong><\/h2>\n

                         \u5b9e\u65bd\u81ea\u52a8\u5316\u5b89\u5168\u534f\u8bae\u663e\u8457\u63d0\u5347\u4e86\u670d\u52a1\u5668\u7684\u9632\u5fa1\u80fd\u529b\u3002\u8003\u8651\u4ee5\u4e0b\u9ad8\u7ea7\u81ea\u52a8\u5316\u7b56\u7565\uff1a<\/p>\n

                         \n
                         • \u8ba1\u5212\u5b89\u5168\u4efb\u52a1\n
                           \n
                           • \u6bcf\u65e5\u6587\u4ef6\u5b8c\u6574\u6027\u68c0\u67e5<\/li>\n
                           • \u6bcf\u5468\u5168\u7cfb\u7edf\u626b\u63cf<\/li>\n
                           • \u6bcf\u6708\u5b89\u5168\u5ba1\u8ba1\u62a5\u544a<\/li>\n<\/ul>\n<\/li>\n
                           • \u66f4\u65b0\u7ba1\u7406\n
                             \n
                             • \u81ea\u52a8\u5316\u5b89\u5168\u8865\u4e01<\/li>\n
                             • \u5b9a\u671f\u7cfb\u7edf\u66f4\u65b0<\/li>\n
                             • \u4f9d\u8d56\u9879\u6f0f\u6d1e\u68c0\u67e5<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n

                               [\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=”blog-detail-section”][vc_column][vc_column_text css=””]<\/p>\n

                               \u957f\u671f\u5b89\u5168\u6700\u4f73\u5b9e\u8df5<\/strong><\/h2>\n

                               \u7ef4\u62a4\u957f\u671f\u670d\u52a1\u5668\u5b89\u5168\u9700\u8981\u5c06\u6280\u672f\u4e13\u957f\u4e0e\u7cfb\u7edf\u5316\u534f\u8bae\u76f8\u7ed3\u5408\u7684\u7efc\u5408\u65b9\u6cd5\uff1a<\/p>\n

                               \n
                               1. \u6587\u6863\u7ba1\u7406\n
                                  \n
                                  • \u7ef4\u62a4\u8be6\u7ec6\u7684\u4e8b\u4ef6\u54cd\u5e94\u65e5\u5fd7<\/li>\n
                                  • \u8bb0\u5f55\u6240\u6709\u7cfb\u7edf\u4fee\u6539<\/li>\n
                                  • \u4fdd\u6301\u7f51\u7edc\u62d3\u6251\u56fe\u7684\u66f4\u65b0<\/li>\n<\/ul>\n<\/li>\n
                                  • \u56e2\u961f\u57f9\u8bad\n
                                    \n
                                    • \u5b9a\u671f\u5b89\u5168\u610f\u8bc6\u57f9\u8bad<\/li>\n
                                    • \u4e8b\u4ef6\u54cd\u5e94\u6f14\u7ec3<\/li>\n
                                    • \u6280\u672f\u6280\u80fd\u66f4\u65b0<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n

                                      [\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=”blog-detail-section”][vc_column][vc_column_text css=””]<\/p>\n

                                      \u7ed3\u8bba<\/strong><\/h2>\n

                                      \u4fdd\u62a4\u9999\u6e2f\u670d\u52a1\u5668\u514d\u53d7\u540e\u95e8\u7a0b\u5e8f\u4fb5\u5bb3\u9700\u8981\u6301\u7eed\u7684\u8b66\u60d5\u548c\u591a\u5c42\u6b21\u7684\u5b89\u5168\u65b9\u6cd5\u3002\u901a\u8fc7\u5b9e\u65bd\u672c\u6307\u5357\u4e2d\u8ba8\u8bba\u7684\u6280\u672f\u548c\u5de5\u5177\uff0c\u7cfb\u7edf\u7ba1\u7406\u5458\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8\u5176\u670d\u52a1\u5668\u7684\u5b89\u5168\u6001\u52bf\u3002\u8bf7\u8bb0\u4f4f\uff0c\u5b89\u5168\u662f\u4e00\u4e2a\u6301\u7eed\u7684\u8fc7\u7a0b\uff0c\u9700\u8981\u5b9a\u671f\u66f4\u65b0\u548c\u8c03\u6574\u4ee5\u5e94\u5bf9\u65b0\u51fa\u73b0\u7684\u5a01\u80c1\u3002<\/p>\n

                                      \u4e3a\u4e86\u6700\u4f73\u4fdd\u62a4\u60a8\u7684\u9999\u6e2f\u670d\u52a1\u5668\u57fa\u7840\u8bbe\u65bd\uff0c\u8bf7\u5c06\u8fd9\u4e9b\u5b89\u5168\u63aa\u65bd\u4e0e\u5b9a\u671f\u5b89\u5168\u8bc4\u4f30\u76f8\u7ed3\u5408\uff0c\u5e76\u53ca\u65f6\u4e86\u89e3\u6700\u65b0\u7684\u7f51\u7edc\u5b89\u5168\u53d1\u5c55\u3002\u5efa\u8bae\u5b9e\u65bd\u9ad8\u7ea7\u76d1\u63a7\u89e3\u51b3\u65b9\u6848\uff0c\u5e76\u4e0e\u5b89\u5168\u4e13\u5bb6\u4fdd\u6301\u5408\u4f5c\u4f19\u4f34\u5173\u7cfb\uff0c\u4ee5\u5168\u9762\u9632\u8303\u590d\u6742\u7684\u540e\u95e8\u653b\u51fb\u3002<\/p>\n

                                      [\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"

                                      [vc_row el_class=”blog-detail-section”][vc_column][vc_column_text css=””] \u5728\u9999\u6e2f\u670d\u52a1\u5668\u548c\u6570\u636e\u4e2d\u5fc3\u5b89\u5168\u9886\u57df\uff0c\u540e\u95e8\u7a0b\u5e8f\u7684\u68c0\u6d4b\u548c\u6e05\u9664\u53d8\u5f97\u8d8a\u6765\u8d8a\u91cd\u8981\u3002\u968f\u7740\u7f51\u7edc\u5a01\u80c1\u7684\u4e0d\u65ad\u6f14\u53d8\uff0c\u4e86\u89e3\u5982\u4f55\u8bc6\u522b\u548c\u6e05\u9664\u8fd9\u4e9b\u6076\u610f\u690d\u5165\u7269\u5bf9\u4e8e\u7ef4\u62a4\u5f3a\u5927\u7684\u670d\u52a1\u5668\u5b89\u5168\u6027\u81f3\u5173\u91cd\u8981\u3002\u672c\u7efc\u5408\u6307\u5357\u5c06\u4e3a\u60a8\u4ecb\u7ecd\u540e\u95e8\u68c0\u6d4b\u548c\u7cfb\u7edf\u52a0\u56fa\u7684\u9ad8\u7ea7\u6280\u672f\u3002 [\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=”blog-detail-section”][vc_column][vc_column_text css=””] \u4e86\u89e3\u540e\u95e8\u7279\u5f81\u548c\u7cfb\u7edf\u5f02\u5e38 \u5728\u7ba1\u7406\u9999\u6e2f\u670d\u52a1\u5668\u57fa\u7840\u8bbe\u65bd\u65f6\uff0c\u8bc6\u522b\u540e\u95e8\u7a0b\u5e8f\u9700\u8981\u91c7\u7528\u7cfb\u7edf\u5316\u7684\u5f02\u5e38\u68c0\u6d4b\u65b9\u6cd5\u3002\u8fd9\u4e9b\u6076\u610f\u690d\u5165\u7269\u901a\u5e38\u8868\u73b0\u51fa\u72ec\u7279\u7684\u6a21\u5f0f\u548c\u884c\u4e3a\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ed4\u7ec6\u89c2\u5bdf\u548c\u76d1\u63a7\u6765\u8bc6\u522b\u3002 \u4e0e\u672a\u77e5IP\u5730\u5740\u7684\u5f02\u5e38\u7f51\u7edc\u8fde\u63a5 \u7cfb\u7edf\u8d44\u6e90\u4f7f\u7528\u7387\u610f\u5916\u6fc0\u589e \u5177\u6709\u53ef\u7591\u65f6\u95f4\u6233\u7684\u4fee\u6539\u7cfb\u7edf\u6587\u4ef6 \u4e0d\u89c4\u5219\u7684\u8eab\u4efd\u9a8c\u8bc1\u6a21\u5f0f [\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=”blog-detail-section”][vc_column][vc_column_text css=””] \u5fc5\u5907\u7cfb\u7edf\u68c0\u67e5\u5de5\u5177 \u4e3a\u4e86\u6709\u6548\u8bc6\u522b\u6f5c\u5728\u7684\u540e\u95e8\uff0c\u5b89\u5168\u4e13\u4e1a\u4eba\u5458\u5e94\u8be5\u7ed3\u5408\u4f7f\u7528Linux\u539f\u751f\u5de5\u5177\u548c\u4e13\u4e1a\u5b89\u5168\u8f6f\u4ef6\u3002\u6211\u4eec\u4e4b\u524d\u5bf9\u793a\u4f8b\u5b89\u5168\u6846\u67b6\u7684\u5206\u6790\u8868\u660e\uff0c\u4f7f\u7528\u591a\u91cd\u68c0\u6d4b\u673a\u5236\u7684\u91cd\u8981\u6027\u3002 RootkitHunter (rkhunter) \u7528\u4e8erootkit\u68c0\u6d4b Chkrootkit \u7528\u4e8e\u5168\u9762\u7cfb\u7edf\u626b\u63cf OSSEC \u7528\u4e8e\u5b9e\u65f6\u6587\u4ef6\u5b8c\u6574\u6027\u76d1\u63a7 Lynis \u7528\u4e8e\u5b89\u5168\u5ba1\u8ba1\u548c\u5408\u89c4\u6027\u6d4b\u8bd5 \u6bcf\u4e2a\u5de5\u5177\u5728\u60a8\u7684\u5b89\u5168\u9632\u5fa1\u4f53\u7cfb\u4e2d\u90fd\u6709\u5176\u7279\u5b9a\u7528\u9014\uff0c\u4e3a\u6f5c\u5728\u7684\u7cfb\u7edf\u5165\u4fb5\u63d0\u4f9b\u4e0d\u540c\u7684\u68c0\u6d4b\u89c6\u89d2\u3002 [\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=”blog-detail-section”][vc_column][vc_column_text css=””] \u9010\u6b65\u68c0\u6d4b\u534f\u8bae \u5b9e\u65bd\u7cfb\u7edf\u5316\u7684\u540e\u95e8\u68c0\u6d4b\u65b9\u6cd5\u786e\u4fdd\u4e86\u5f7b\u5e95\u7684\u7cfb\u7edf\u68c0\u67e5\u3002\u4ee5\u4e0b\u662f\u7cfb\u7edf\u7ba1\u7406\u5458\u7684\u8be6\u7ec6\u534f\u8bae\uff1a \u521d\u59cb\u7cfb\u7edf\u5206\u6790 \u6267\u884c ‘ps aux | grep -i suspicious_pattern’ \u901a\u8fc7 ‘netstat -tupln’ \u68c0\u67e5\u5f02\u5e38\u7aef\u53e3\u6d3b\u52a8 \u5206\u6790 ‘lsof -i’ \u8f93\u51fa\u67e5\u627e\u5f02\u5e38\u7f51\u7edc\u8fde\u63a5 \u6df1\u5ea6\u7cfb\u7edf\u68c0\u67e5 \u68c0\u67e5’‘ \u4e2d\u7684\u5f02\u5e38\u6761\u76ee \u68c0\u67e5’‘ \u548c ‘‘ […]<\/p>\n

                                      Read More…<\/a><\/p>\n","protected":false},"author":1,"featured_media":27955,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[62],"tags":[9154,6555,5048,3159,265],"class_list":["post-27977","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hong-kong-dedicated-server-sc","tag-backdoor-detection","tag-system-monitoring-sc","tag-5048","tag-malware-removal-sc","tag-265"],"acf":[],"yoast_head":"\n