\u5b89\u5168\u8c03\u67e5\u6e05\u5355<\/h3>\n

\n
• \u4f7f\u7528\u9ad8\u7ea7grep\u6a21\u5f0f\u5206\u6790\u7cfb\u7edf\u65e5\u5fd7\uff1a
  \ngrep -r \"PATTERN\" \/var\/log\/ | awk '{print $1, $2, $3, $9}'<\/code><\/li>\n
• \u4f7f\u7528\u591a\u79cd\u5de5\u5177\u68c0\u67e5rootkit\uff1a\n
  \n
  • \u4f7f\u7528\u5f7b\u5e95\u626b\u63cf\u9009\u9879\u8fd0\u884crkhunter\uff1arkhunter --check --skip-keypress<\/code><\/li>\n
  • \u4e13\u5bb6\u6a21\u5f0f\u8fd0\u884cchkrootkit\uff1achkrootkit -x<\/code><\/li>\n
  • \u4f7f\u7528OSSEC\u8fdb\u884c\u5168\u9762\u7cfb\u7edf\u5206\u6790<\/li>\n
  • \u81ea\u5b9a\u4e49\u5185\u6838\u6a21\u5757\u9a8c\u8bc1\u811a\u672c<\/li>\n<\/ul>\n<\/li>\n
  • \u5ba1\u67e5\u8eab\u4efd\u9a8c\u8bc1\u65e5\u5fd7\uff1a
    \nausearch -ts today -i | grep -i authenticate<\/code><\/li>\n<\/ul>\n

    \u5b9e\u65bd\u9ad8\u7ea7\u9884\u9632\u63aa\u65bd<\/strong><\/h2>\n

    \u5728\u89e3\u51b3\u7d27\u6025\u95ee\u9898\u540e\uff0c\u5b9e\u65bd\u5f3a\u5927\u7684\u5b89\u5168\u63aa\u65bd\u53d8\u5f97\u81f3\u5173\u91cd\u8981\u3002\u8fd9\u4e9b\u6280\u672f\u914d\u7f6e\u5c06\u663e\u8457\u63d0\u5347\u60a8\u7684\u670d\u52a1\u5668\u79df\u7528\u5b89\u5168\u72b6\u51b5\uff0c\u5e76\u6709\u52a9\u4e8e\u9632\u6b62\u672a\u6765\u7684\u76d7\u7528\u3002<\/p>\n

    \u57fa\u672c\u5b89\u5168\u914d\u7f6e<\/h3>\n

    \n
    • SSH\u52a0\u56fa\uff1a
      \nPermitRootLogin no
\nPasswordAuthentication no
\nMaxAuthTries 3
\nProtocol 2
\nAllowUsers specified_user
\nPort random_high_port
\n<\/code><\/li>\n
    • \u9632\u706b\u5899\u89c4\u5219\u4f18\u5316\uff1a\n
      \n
      • \u5b9e\u65bd\u901f\u7387\u9650\u5236\uff1aiptables -A INPUT -p tcp --dport 22 -m state --state NEW -m recent --set<\/code><\/li>\n
      • \u914d\u7f6e\u7aef\u53e3\u6572\u95e8\u5e8f\u5217\u4ee5\u589e\u52a0\u8bbf\u95ee\u63a7\u5236<\/li>\n
      • \u8bbe\u7f6efail2ban\uff0c\u914d\u7f6e\u81ea\u5b9a\u4e49\u76d1\u72f1\u89c4\u5219\u548c\u6fc0\u8fdb\u7684\u8d85\u65f6\u8bbe\u7f6e<\/li>\n
      • \u5b9e\u65bd\u5e94\u7528\u5c42\u8fc7\u6ee4<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n

        \u9ad8\u7ea7\u76d1\u63a7\u548c\u68c0\u6d4b\u7cfb\u7edf<\/strong><\/h2>\n

        \u5b9e\u65bd\u5168\u9762\u7684\u76d1\u63a7\u89e3\u51b3\u65b9\u6848\u5bf9\u4e8e\u7ef4\u62a4\u670d\u52a1\u5668\u79df\u7528\u5b89\u5168\u81f3\u5173\u91cd\u8981\u3002\u73b0\u4ee3\u5a01\u80c1\u73af\u5883\u9700\u8981\u590d\u6742\u7684\u68c0\u6d4b\u673a\u5236\uff0c\u80fd\u591f\u8bc6\u522b\u5e76\u8b66\u544a\u5fae\u5999\u7684\u76d7\u7528\u6307\u6807\u3002<\/p>\n

        \u5b9e\u65f6\u76d1\u63a7\u89e3\u51b3\u65b9\u6848<\/h3>\n

        \n
        • \u914d\u7f6ePrometheus\u81ea\u5b9a\u4e49\u544a\u8b66\u89c4\u5219\uff1a
          \nalert: HighCPUUsage
\nexpr: cpu_usage_idle < 10
\nfor: 5m
\nlabels:
\nseverity: warning
\nannotations:
\ndescription: \"\u68c0\u6d4b\u5230\u9ad8CPU\u4f7f\u7528\u7387\"
\n<\/code><\/li>\n
        • \u5b9e\u65bdELK Stack\uff1a\n
          \n
          • \u4f7f\u7528Elasticsearch\u8fdb\u884c\u65e5\u5fd7\u805a\u5408\u548c\u641c\u7d22<\/li>\n
          • \u4f7f\u7528Logstash\u8fdb\u884c\u65e5\u5fd7\u89e3\u6790\u3001\u8fc7\u6ee4\u548c\u6570\u636e\u4e30\u5bcc<\/li>\n
          • \u4f7f\u7528Kibana\u8fdb\u884c\u9ad8\u7ea7\u53ef\u89c6\u5316\u548c\u5b9e\u65f6\u5206\u6790<\/li>\n
          • \u81ea\u5b9a\u4e49\u5b89\u5168\u6307\u6807\u4eea\u8868\u677f<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n

            \u9009\u62e9\u53ef\u9760\u7684\u670d\u52a1\u5668\u79df\u7528\u63d0\u4f9b\u5546<\/strong><\/h2>\n

            \u60a8\u7684\u670d\u52a1\u5668\u79df\u7528\u63d0\u4f9b\u5546\u5728\u7ef4\u62a4\u670d\u52a1\u5668\u5b89\u5168\u65b9\u9762\u53d1\u6325\u7740\u5173\u952e\u4f5c\u7528\u3002\u5728\u8bc4\u4f30\u63d0\u4f9b\u5546\u65f6\uff0c\u8bf7\u8003\u8651\u8fd9\u4e9b\u76f4\u63a5\u5f71\u54cd\u60a8\u7684\u5b89\u5168\u6001\u52bf\u548c\u4e8b\u4ef6\u54cd\u5e94\u80fd\u529b\u7684\u6280\u672f\u65b9\u9762\u3002<\/p>\n

            \u5173\u952e\u63d0\u4f9b\u5546\u7279\u6027<\/h3>\n

            \n
            • \u7f51\u7edc\u5c42\u5b89\u5168\uff1a\n
              \n
              • \u4f01\u4e1a\u7ea7DDoS\u7f13\u89e3\u80fd\u529b<\/li>\n
              • BGP\u4efb\u64ad\u652f\u6301\u4ee5\u5b9e\u73b0\u6d41\u91cf\u5206\u914d<\/li>\n
              • \u5177\u6709\u81ea\u5b9a\u4e49\u89c4\u5219\u96c6\u7684\u9ad8\u7ea7WAF\u5b9e\u73b0<\/li>\n
              • \u591a\u5c42\u7f51\u7edc\u9694\u79bb<\/li>\n<\/ul>\n<\/li>\n
              • \u57fa\u7840\u8bbe\u65bd\u5b89\u5168\uff1a\n
                \n
                • ISO 27001\u4fe1\u606f\u5b89\u5168\u7ba1\u7406\u8ba4\u8bc1<\/li>\n
                • SOC 2 Type II\u5408\u89c4\u786e\u4fdd\u8fd0\u8425\u5353\u8d8a<\/li>\n
                • \u5b9a\u671f\u7b2c\u4e09\u65b9\u5b89\u5168\u5ba1\u8ba1\u548c\u6e17\u900f\u6d4b\u8bd5<\/li>\n
                • \u7269\u7406\u5b89\u5168\u63aa\u65bd\u548c\u8bbf\u95ee\u63a7\u5236<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n

                  \u6301\u7eed\u7ef4\u62a4\u548c\u5b89\u5168\u534f\u8bae<\/strong><\/h2>\n

                  \u7ef4\u62a4\u670d\u52a1\u5668\u5b89\u5168\u9700\u8981\u6301\u7eed\u7684\u52aa\u529b\u548c\u7cfb\u7edf\u5316\u7684\u65b9\u6cd5\u3002\u5c06\u8fd9\u4e9b\u6280\u672f\u7a0b\u5e8f\u4f5c\u4e3a\u5e38\u89c4\u7ef4\u62a4\u7684\u4e00\u90e8\u5206\u6765\u5b9e\u65bd\uff0c\u4ee5\u786e\u4fdd\u6301\u7eed\u7684\u4fdd\u62a4\u3002<\/p>\n

                  \u81ea\u52a8\u5316\u5b89\u5168\u68c0\u67e5<\/h3>\n

                  \n
                  • \u4f7f\u7528cron\u521b\u5efa\u81ea\u52a8\u5316\u5b89\u5168\u626b\u63cf\uff1a
                    \n0 2 * * * \/usr\/local\/security\/daily-scan.sh
\n0 0 * * 0 \/usr\/local\/security\/weekly-audit.sh
\n0 0 1 * * \/usr\/local\/security\/monthly-compliance.sh
\n<\/code><\/li>\n
                  • \u5b9e\u65bd\u81ea\u52a8\u66f4\u65b0\uff1a
                    \napt-get update && apt-get upgrade -y
                    \nneedrestart -r a
                    \n<\/code><\/li>\n<\/ul>\n

                    \u957f\u671f\u5b89\u5168\u7b56\u7565<\/h3>\n

                    \n
                    • \u5b9e\u65bd\u81ea\u52a8\u5907\u4efd\u8f6e\u6362\uff1a
                      \nrsnapshot daily
\nretention: 7 daily, 4 weekly, 12 monthly
\nverification: sha256sum checking
\n<\/code><\/li>\n
                    • \u914d\u7f6e\u96c6\u4e2d\u65e5\u5fd7\u7ba1\u7406\uff1a\n
                      \n
                      • \u5e26\u52a0\u5bc6\u7684\u8fdc\u7a0bsyslog\u670d\u52a1\u5668\u8bbe\u7f6e<\/li>\n
                      • \u65e5\u5fd7\u8f6e\u6362\u7b56\u7565\u548c\u538b\u7f29<\/li>\n
                      • \u4f7f\u7528TLS\u7684\u5b89\u5168\u65e5\u5fd7\u4f20\u8f93<\/li>\n
                      • \u65e5\u5fd7\u5b8c\u6574\u6027\u9a8c\u8bc1\u7cfb\u7edf<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n

                        \u5e94\u6025\u54cd\u5e94\u8ba1\u5212\u5236\u5b9a<\/strong><\/h2>\n

                        \u5efa\u7acb\u5168\u9762\u7684\u4e8b\u4ef6\u54cd\u5e94\u8ba1\u5212\uff0c\u5305\u62ec\u8be6\u7ec6\u7684\u6280\u672f\u7a0b\u5e8f\u548c\u660e\u786e\u7684\u6c9f\u901a\u534f\u8bae\u3002\u8fd9\u786e\u4fdd\u4e86\u5bf9\u5b89\u5168\u4e8b\u4ef6\u7684\u5feb\u901f\u6709\u6548\u54cd\u5e94\uff0c\u540c\u65f6\u6700\u5927\u9650\u5ea6\u5730\u51cf\u5c11\u4e1a\u52a1\u5f71\u54cd\u3002<\/p>\n

                        \u54cd\u5e94\u56e2\u961f\u7ed3\u6784<\/h3>\n

                        \n
                        • \u6280\u672f\u54cd\u5e94\u56e2\u961f\uff1a\n
                          \n
                          • \u8d1f\u8d23\u4e8b\u4ef6\u5206\u6790\u7684\u5b89\u5168\u5de5\u7a0b\u5e08<\/li>\n
                          • \u8d1f\u8d23\u904f\u5236\u7684\u7cfb\u7edf\u7ba1\u7406\u5458<\/li>\n
                          • \u8d1f\u8d23\u6d41\u91cf\u5206\u6790\u7684\u7f51\u7edc\u5de5\u7a0b\u5e08<\/li>\n
                          • \u8d1f\u8d23\u8bc1\u636e\u6536\u96c6\u7684\u53d6\u8bc1\u4e13\u5bb6<\/li>\n<\/ul>\n<\/li>\n
                          • \u6587\u6863\u8981\u6c42\uff1a\n
                            \n
                            • \u8be6\u7ec6\u7684\u4e8b\u4ef6\u65f6\u95f4\u7ebf\u8bb0\u5f55<\/li>\n
                            • \u884c\u52a8\u9879\u76ee\u8ddf\u8e2a\u548c\u72b6\u6001\u66f4\u65b0<\/li>\n
                            • \u4e8b\u540e\u5206\u6790\u548c\u7ecf\u9a8c\u6559\u8bad<\/li>\n
                            • \u6539\u8fdb\u5efa\u8bae<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n

                              \u7ed3\u8bba\u548c\u6700\u4f73\u5b9e\u8df5<\/strong><\/h2>\n

                              \u4fdd\u62a4\u60a8\u7684\u9999\u6e2f\u670d\u52a1\u5668\u79df\u7528\u73af\u5883\u9700\u8981\u7ed3\u5408\u6280\u672f\u4e13\u957f\u3001\u5f3a\u5927\u7684\u76d1\u63a7\u548c\u4e3b\u52a8\u7ef4\u62a4\u7684\u591a\u5c42\u6b21\u65b9\u6cd5\u3002\u901a\u8fc7\u5b9e\u65bd\u672c\u6307\u5357\u4e2d\u6982\u8ff0\u7684\u5b89\u5168\u63aa\u65bd\uff0c\u60a8\u53ef\u4ee5\u663e\u8457\u964d\u4f4e\u670d\u52a1\u5668\u88ab\u76d7\u7528\u7684\u98ce\u9669\uff0c\u5e76\u786e\u4fdd\u5728\u53d1\u751f\u4e8b\u4ef6\u65f6\u80fd\u591f\u5feb\u901f\u6062\u590d\u3002<\/p>\n

                              \u5173\u952e\u8981\u70b9<\/h3>\n

                              \n
                              • \u5b9e\u65bd\u5177\u6709\u5b9e\u65f6\u8b66\u62a5\u7684\u7efc\u5408\u76d1\u63a7\u7cfb\u7edf<\/li>\n
                              • \u4fdd\u6301\u5b9a\u671f\u5b89\u5168\u5ba1\u8ba1\u548c\u6f0f\u6d1e\u8bc4\u4f30<\/li>\n
                              • \u4fdd\u6301\u6240\u6709\u7cfb\u7edf\u66f4\u65b0\u5e76\u6b63\u786e\u914d\u7f6e<\/li>\n
                              • \u8bb0\u5f55\u5e76\u5b9a\u671f\u6d4b\u8bd5\u4e8b\u4ef6\u54cd\u5e94\u7a0b\u5e8f<\/li>\n
                              • \u6295\u8d44\u5458\u5de5\u57f9\u8bad\u548c\u5b89\u5168\u610f\u8bc6<\/li>\n<\/ul>\n

                                \u8bf7\u8bb0\u4f4f\uff0c\u670d\u52a1\u5668\u5b89\u5168\u662f\u4e00\u4e2a\u9700\u8981\u6301\u7eed\u5173\u6ce8\u548c\u9002\u5e94\u65b0\u5a01\u80c1\u7684\u6301\u7eed\u8fc7\u7a0b\u3002\u5b9a\u671f\u5ba1\u67e5\u60a8\u7684\u670d\u52a1\u5668\u79df\u7528\u5b89\u5168\u63aa\u65bd\u5e76\u53ca\u65f6\u4e86\u89e3\u65b0\u51fa\u73b0\u7684\u5a01\u80c1\u5c06\u6709\u52a9\u4e8e\u7ef4\u6301\u5f3a\u5927\u7684\u5b89\u5168\u6001\u52bf\u3002\u5bf9\u4e8e\u9700\u8981\u989d\u5916\u5b89\u5168\u63aa\u65bd\u7684\u7ec4\u7ec7\uff0c\u8bf7\u8003\u8651\u54a8\u8be2\u5b89\u5168\u4e13\u5bb6\u6216\u63a2\u7d22\u9488\u5bf9\u60a8\u7279\u5b9a\u9700\u6c42\u7684\u9ad8\u7ea7\u670d\u52a1\u5668\u79df\u7528\u89e3\u51b3\u65b9\u6848\u3002[\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"

                                [vc_row][vc_column][vc_column_text css=””]\u9999\u6e2f\u670d\u52a1\u5668\u79df\u7528\u73af\u5883\u4e2d\u7684\u76d7\u7528\u884c\u4e3a\u53d8\u5f97\u8d8a\u6765\u8d8a\u590d\u6742\uff0c\u653b\u51fb\u8005\u91c7\u7528\u9ad8\u7ea7\u6301\u7eed\u6027\u5a01\u80c1(APT)\u548c\u96f6\u65e5\u6f0f\u6d1e,\u8fd9\u4e9b\u5a01\u80c1\u53ef\u4ee5\u7ed5\u8fc7\u4f20\u7edf\u7684\u5b89\u5168\u63aa\u65bd\u3002\u8fd9\u4efd\u5168\u9762\u7684\u6307\u5357\u6e90\u4e8e\u5927\u91cf\u5b9e\u9645\u4e8b\u4ef6\u54cd\u5e94\u7ecf\u9a8c,\u4e3a\u7cfb\u7edf\u7ba1\u7406\u5458\u548cDevOps\u5de5\u7a0b\u5e08\u63d0\u4f9b\u4e86\u7ecf\u8fc7\u5b9e\u6218\u68c0\u9a8c\u7684\u7b56\u7565,\u7528\u4e8e\u68c0\u6d4b\u3001\u54cd\u5e94\u548c\u52a0\u5f3a\u57fa\u7840\u8bbe\u65bd\u4ee5\u5e94\u5bf9\u73b0\u4ee3\u7f51\u7edc\u5a01\u80c1\u3002 \u8bc6\u522b\u670d\u52a1\u5668\u76d7\u7528\u75c7\u72b6 \u5728\u5b9e\u65bd\u5bf9\u7b56\u4e4b\u524d\uff0c\u4e86\u89e3\u670d\u52a1\u5668\u906d\u5230\u76d7\u7528\u7684\u660e\u663e\u8ff9\u8c61\u81f3\u5173\u91cd\u8981\u3002\u73b0\u4ee3\u653b\u51fb\u901a\u5e38\u91c7\u7528\u9690\u853d\u6280\u672f\uff0c\u5982\u679c\u6ca1\u6709\u9002\u5f53\u7684\u76d1\u63a7\u5de5\u5177\u548c\u534f\u8bae\uff0c\u68c0\u6d4b\u8d77\u6765\u4f1a\u5f88\u56f0\u96be\u3002\u53ca\u65e9\u53d1\u73b0\u53ef\u80fd\u4f1a\u4f7f\u8f7b\u5fae\u4e8b\u4ef6\u548c\u707e\u96be\u6027\u76d7\u7528\u4e4b\u95f4\u4ea7\u751f\u5dee\u5f02\u3002 \u6027\u80fd\u5f02\u5e38 CPU\u4f7f\u7528\u6a21\u5f0f\u51fa\u73b0\u610f\u5916\u5cf0\u503c\uff0c\u7279\u522b\u662f\u5728\u975e\u9ad8\u5cf0\u65f6\u6bb5\u6216\u7a81\u7136\u8d44\u6e90\u8017\u5c3d \u7f51\u7edc\u6d41\u91cf\u5f02\u5e38\u663e\u793a\u4e0d\u5bfb\u5e38\u7684\u6570\u636e\u4f20\u8f93\u6a21\u5f0f\u6216\u8fde\u63a5\u5230\u5df2\u77e5\u6076\u610fIP \u78c1\u76d8I\/O\u64cd\u4f5c\u7a81\u7136\u589e\u52a0\u8868\u660e\u53ef\u80fd\u5b58\u5728\u6570\u636e\u6cc4\u9732 \u5185\u5b58\u4f7f\u7528\u4e0d\u89c4\u5219\u8868\u660e\u53ef\u80fd\u5b58\u5728\u6316\u77ff\u6216\u5185\u5b58\u9a7b\u7559\u6076\u610f\u8f6f\u4ef6 \u5f02\u5e38\u7684\u8fdb\u7a0b\u4ea7\u751f\u6a21\u5f0f\u6216\u7cfb\u7edf\u8c03\u7528\u8868\u660erootkit\u6d3b\u52a8 \u5b89\u5168\u8b66\u793a \u6765\u81ea\u672a\u77e5IP\u5730\u5740\u7684\u591a\u6b21SSH\u767b\u5f55\u5931\u8d25\u5c1d\u8bd5\uff0c\u5c24\u5176\u662f\u6765\u81ea\u9ad8\u98ce\u9669\u5730\u7406\u533a\u57df \u4ee5\u63d0\u5347\u6743\u9650\u8fd0\u884c\u7684\u672a\u8bc6\u522b\u8fdb\u7a0b\u6216\u53ef\u7591\u7684SUID\u4e8c\u8fdb\u5236\u6587\u4ef6 \u88ab\u4fee\u6539\u7684\u7cfb\u7edf\u4e8c\u8fdb\u5236\u6587\u4ef6(\u4f7f\u7528\u6821\u9a8c\u548c\u548c\u6587\u4ef6\u5b8c\u6574\u6027\u76d1\u63a7\u8fdb\u884c\u9a8c\u8bc1) \u610f\u5916\u7684\u5bf9\u5916\u8fde\u63a5\u5230\u53ef\u7591\u7aef\u70b9\u6216\u5df2\u77e5\u7684\u547d\u4ee4\u4e0e\u63a7\u5236\u670d\u52a1\u5668 \u88ab\u66f4\u6539\u7684\u6587\u4ef6\u7cfb\u7edf\u65f6\u95f4\u6233\u6216\u672a\u7ecf\u6388\u6743\u7684\u914d\u7f6e\u66f4\u6539 \u5373\u65f6\u54cd\u5e94\u65b9\u6848 \u5f53\u68c0\u6d4b\u5230\u76d7\u7528\u65f6\uff0c\u6bcf\u4e00\u5206\u949f\u90fd\u5f88\u91cd\u8981\u3002\u9075\u5faa\u7cfb\u7edf\u5316\u7684\u4e8b\u4ef6\u54cd\u5e94\u65b9\u6848\u53ef\u4ee5\u6700\u5927\u9650\u5ea6\u5730\u51cf\u5c11\u635f\u5bb3\u5e76\u4fc3\u8fdb\u6062\u590d\uff0c\u540c\u65f6\u4fdd\u7559\u5173\u952e\u7684\u53d6\u8bc1\u8bc1\u636e\u3002\u4ee5\u4e0b\u662f\u6709\u6548\u5904\u7406\u8fd9\u79cd\u60c5\u51b5\u7684\u8be6\u7ec6\u6280\u672f\u65b9\u6cd5\u3002 \u5173\u952e\u7b2c\u4e00\u6b65 \u9694\u79bb\u88ab\u76d7\u7528\u7684\u670d\u52a1\u5668\uff1a \u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5b9e\u73b0\u7a7a\u8def\u7531\uff1aip route add blackhole [compromised-IP] \u7981\u7528\u5916\u90e8\u7f51\u7edc\u8bbf\u95ee\uff0c\u540c\u65f6\u4fdd\u6301\u5b89\u5168SSH\u8fde\u63a5 \u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u8bb0\u5f55\u5f53\u524d\u8fd0\u884c\u7684\u8fdb\u7a0b\uff1aps aux | tee process_snapshot.txt \u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6355\u83b7\u7f51\u7edc\u8fde\u63a5\uff1anetstat -tupan > netstat_snapshot.txt \u521b\u5efa\u53d6\u8bc1\u5907\u4efd\uff1a \u4f7f\u7528dd\u547d\u4ee4\u8fdb\u884c\u9010\u4f4d\u78c1\u76d8\u955c\u50cf\uff1add if=\/dev\/sda of=\/forensics\/disk.img bs=4M \u5982\u679c\u53ef\u7528\uff0c\u5b9e\u65bdLVM\u5feb\u7167\uff1alvcreate -L10G -s -n snap_root \/dev\/vg0\/root \u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5bfc\u51fa\u5173\u952e\u65e5\u5fd7\u6587\u4ef6\uff1atar czf logs.tar.gz \/var\/log\/ \u521b\u5efa\u5185\u5b58\u8f6c\u50a8\u4ee5\u8fdb\u884c\u6613\u5931\u6027\u6570\u636e\u5206\u6790 \u5b89\u5168\u8c03\u67e5\u6e05\u5355 \u4f7f\u7528\u9ad8\u7ea7grep\u6a21\u5f0f\u5206\u6790\u7cfb\u7edf\u65e5\u5fd7\uff1a grep -r […]<\/p>\n

                                Read More…<\/a><\/p>\n","protected":false},"author":2,"featured_media":24762,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[62],"tags":[7896,5048,2597,583,248],"class_list":["post-24773","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hong-kong-dedicated-server-sc","tag-hosting-compromise-sc","tag-5048","tag-server-protection-sc","tag-network-security-sc","tag-hong-kong-server-rental-sc"],"acf":[],"yoast_head":"\n