{"id":51756,"date":"2024-12-03T11:42:49","date_gmt":"2024-12-03T03:42:49","guid":{"rendered":"https:\/\/fwq.ai\/blog\/51756\/"},"modified":"2024-12-03T11:42:49","modified_gmt":"2024-12-03T03:42:49","slug":"%e5%9c%a8linux%e4%b8%8a%e8%ae%be%e7%bd%ae%e7%bd%91%e7%bb%9c%e5%ae%89%e5%85%a8%e5%ae%a1%e6%a0%b8%e7%9a%84%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/51756\/","title":{"rendered":"\u5728Linux\u4e0a\u8bbe\u7f6e\u7f51\u7edc\u5b89\u5168\u5ba1\u6838\u7684\u65b9\u6cd5"},"content":{"rendered":"

<\/b> <\/p>\n

\u5728Linux\u4e0a\u8bbe\u7f6e\u7f51\u7edc\u5b89\u5168\u5ba1\u6838\u7684\u65b9\u6cd5<\/h1>\n

\u672c\u7bc7\u6587\u7ae0\u5411\u5927\u5bb6\u4ecb\u7ecd\u300a\u5728Linux\u4e0a\u8bbe\u7f6e\u7f51\u7edc\u5b89\u5168\u5ba1\u6838\u7684\u65b9\u6cd5\u300b\uff0c\u4e3b\u8981\u5305\u62ec\uff0c\u5177\u6709\u4e00\u5b9a\u7684\u53c2\u8003\u4ef7\u503c\uff0c\u9700\u8981\u7684\u670b\u53cb\u53ef\u4ee5\u53c2\u8003\u4e00\u4e0b\u3002<\/p>\n

\u5982\u4f55\u5728Linux\u4e0a\u914d\u7f6e\u7f51\u7edc\u5b89\u5168\u5ba1\u8ba1<\/p>\n

\u7f51\u7edc\u5b89\u5168\u5ba1\u8ba1\u662f\u786e\u4fdd\u7f51\u7edc\u7cfb\u7edf\u7684\u5b89\u5168\u6027\u548c\u7a33\u5b9a\u6027\u7684\u91cd\u8981\u6d41\u7a0b\u3002\u5728Linux\u7cfb\u7edf\u4e0a\u8fdb\u884c\u7f51\u7edc\u5b89\u5168\u5ba1\u8ba1\u53ef\u4ee5\u5e2e\u52a9\u7ba1\u7406\u5458\u76d1\u63a7\u7f51\u7edc\u6d3b\u52a8\u3001\u53d1\u73b0\u6f5c\u5728\u7684\u5b89\u5168\u95ee\u9898\u548c\u53ca\u65f6\u91c7\u53d6\u63aa\u65bd\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u5728Linux\u4e0a\u914d\u7f6e\u7f51\u7edc\u5b89\u5168\u5ba1\u8ba1\uff0c\u5e76\u63d0\u4f9b\u4ee3\u7801\u793a\u4f8b\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u7406\u89e3\u3002<\/p>\n

\u4e00\u3001\u5b89\u88c5Auditd<\/p>\n

Auditd \u662fLinux\u7cfb\u7edf\u9ed8\u8ba4\u7684\u5b89\u5168\u5ba1\u8ba1\u6846\u67b6\u3002\u6211\u4eec\u9996\u5148\u9700\u8981\u5b89\u88c5 Auditd\u3002<\/p>\n

\u5728Ubuntu\u7cfb\u7edf\u4e0a\uff0c\u53ef\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u8fdb\u884c\u5b89\u88c5\uff1a<\/p>\n

sudo apt-get install auditd<\/pre>\n
\u5728CentOS\u7cfb\u7edf\u4e0a\uff0c\u53ef\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u8fdb\u884c\u5b89\u88c5\uff1a<\/p>\n
sudo yum install audit<\/pre>\n
\u4e8c\u3001\u914d\u7f6eAuditd<\/p>\n
\u5b89\u88c5\u5b8c\u6210\u540e\uff0c\u6211\u4eec\u9700\u8981\u5bf9 Auditd \u8fdb\u884c\u4e00\u4e9b\u57fa\u672c\u7684\u914d\u7f6e\u3002\u4e3b\u8981\u7684\u914d\u7f6e\u6587\u4ef6\u662f \/etc\/audit\/auditd.conf<\/code>\u3002\u7f16\u8f91\u8be5\u6587\u4ef6\uff0c\u53ef\u4ee5\u8c03\u6574\u4e00\u4e9b\u914d\u7f6e\u9009\u9879\u3002<\/p>\n
\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\u914d\u7f6e\u6587\u4ef6\u7684\u5185\u5bb9\uff1a<\/p>\n
# \/etc\/auditd.conf\n# \u6ce8\u610f\u8fd9\u91cc\u7684\u8def\u5f84\u53ef\u80fd\u56e0\u4e0d\u540c\u7cfb\u7edf\u800c\u6709\u6240\u4e0d\u540c\n\n# \u672c\u5730\u65e5\u5fd7\u6587\u4ef6\u5b58\u50a8\u7684\u8def\u5f84\nlog_file = \/var\/log\/audit\/audit.log\n\n# \u6700\u5927\u65e5\u5fd7\u6587\u4ef6\u5927\u5c0f\nmax_log_file = 50\n\n# \u6700\u5927\u65e5\u5fd7\u5b58\u50a8\u65f6\u95f4\nmax_log_file_action = keep_logs\n\n# \u65e5\u5fd7\u4fdd\u7559\u7684\u5929\u6570\nnum_days = 30\n\n# \u7a7a\u95f2\u65f6\u95f4\uff08\u79d2\uff09\nidletime = 600\n\n# \u53d1\u73b0\u6545\u969c\u540e\u81ea\u52a8\u505c\u6b62\nspace_left_action = email\n\n# \u53d1\u73b0\u6545\u969c\u540e\u5b9e\u65f6\u901a\u77e5\u7684\u90ae\u7bb1\u5730\u5740\nadmin_space_left_action = root@localhost\n\n# \u8bbe\u5b9a\u5ba1\u8ba1\u7cfb\u7edf\u65f6\u989d\u5916\u6dfb\u52a0\u7684\u9879\u76ee\n# \u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\u914d\u7f6e\uff0c\u6839\u636e\u9700\u8981\u53ef\u81ea\u884c\u8c03\u6574\n# -a always,exit -F arch=b64 -S open,creat,truncate,ftruncate,openat,open_by_handle_at,openat2 -F exit=-EACCES -F auid>=1000 -F auid!=-1 -k access\n<\/pre>\n
\u6ce8\u610f\uff0c\u4f60\u9700\u8981\u6839\u636e\u7cfb\u7edf\u548c\u9700\u6c42\u81ea\u884c\u8c03\u6574\u914d\u7f6e\u3002\u5728\u5b8c\u6210\u914d\u7f6e\u540e\uff0c\u4fdd\u5b58\u6587\u4ef6\u5e76\u91cd\u65b0\u542f\u52a8 auditd \u670d\u52a1\u3002<\/p>\n
sudo systemctl restart auditd<\/pre>\n
\u4e09\u3001\u5e38\u7528Auditd\u547d\u4ee4<\/p>\n
\u914d\u7f6e\u5b8c\u6210\u540e\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4e00\u4e9b\u5e38\u7528\u7684 Auditd \u547d\u4ee4\u6765\u76d1\u63a7\u7f51\u7edc\u6d3b\u52a8\u548c\u5ba1\u8ba1\u65e5\u5fd7\u3002<\/p>\n
    \n
  1. audispd-plugins \u63d2\u4ef6<\/li>\n<\/ol>\n
    audispd-plugins<\/code> \u662f\u4e00\u4e2a Auditd \u7684\u63d2\u4ef6\uff0c\u53ef\u4ee5\u5c06 Auditd \u65e5\u5fd7\u8f6c\u53d1\u5230\u5176\u4ed6\u5de5\u5177\uff0c\u5982 Syslog \u6216 Elasticsearch \u7b49\u3002<\/p>\n
    \u5728Ubuntu\u7cfb\u7edf\u4e0a\uff0c\u53ef\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u8fdb\u884c\u5b89\u88c5\uff1a<\/p>\n
    sudo apt-get install audispd-plugins<\/pre>\n
    \u5728CentOS\u7cfb\u7edf\u4e0a\uff0c\u53ef\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u8fdb\u884c\u5b89\u88c5\uff1a<\/p>\n
    sudo yum install audispd-plugins<\/pre>\n
    \u5728\u914d\u7f6e\u6587\u4ef6 \/etc\/audisp\/plugins.d\/syslog.conf<\/code> \u4e2d\uff0c\u4f60\u53ef\u4ee5\u6307\u5b9a\u65e5\u5fd7\u8f6c\u53d1\u7684\u76ee\u6807\u3002\u5728\u4ee5\u4e0b\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u5c06\u65e5\u5fd7\u8f6c\u53d1\u5230 Syslog\uff1a<\/p>\n
    active = yes\ndirection = out\npath = \/sbin\/audispd-in_syslog\ntype = builtin\nargs = LOG_INFO\nformat = string<\/pre>\n
      \n
    1. ausearch<\/li>\n<\/ol>\n
      ausearch<\/code> \u662f\u4e00\u4e2a Auditd \u7684\u547d\u4ee4\u884c\u5de5\u5177\uff0c\u53ef\u4ee5\u67e5\u8be2 Audit \u65e5\u5fd7\u3002\u4ee5\u4e0b\u662f\u51e0\u4e2a\u5e38\u7528\u7684\u547d\u4ee4\u793a\u4f8b\uff1a<\/p>\n
      # \u67e5\u8be2\u6240\u6709\u4e8b\u4ef6\nsudo ausearch -m all\n\n# \u67e5\u8be2\u6307\u5b9a\u65f6\u95f4\u6bb5\u7684\u65e5\u5fd7\nsudo ausearch --start \"10 minutes ago\" --end \"now\"\n\n# \u6839\u636e\u7528\u6237\u67e5\u8be2\u65e5\u5fd7\nsudo ausearch -ua username\n\n# \u6839\u636e\u6587\u4ef6\u8def\u5f84\u67e5\u8be2\u65e5\u5fd7\nsudo ausearch -f \/path\/to\/file\n\n# \u6839\u636e\u7cfb\u7edf\u8c03\u7528\u67e5\u8be2\u65e5\u5fd7\nsudo ausearch -sc open<\/pre>\n
        \n
      1. aureport<\/li>\n<\/ol>\n
        aureport<\/code> \u662f\u4e00\u4e2a Auditd \u7684\u62a5\u544a\u5de5\u5177\uff0c\u53ef\u4ee5\u751f\u6210\u5404\u79cd\u62a5\u544a\u3002\u4ee5\u4e0b\u662f\u51e0\u4e2a\u5e38\u7528\u7684\u547d\u4ee4\u793a\u4f8b\uff1a<\/p>\n
        # \u751f\u6210\u6240\u6709\u7684\u4e8b\u4ef6\u62a5\u544a\nsudo aureport\n\n# \u751f\u6210\u6587\u4ef6\u76f8\u5173\u7684\u4e8b\u4ef6\u62a5\u544a\nsudo aureport -f\n\n# \u751f\u6210\u7528\u6237\u76f8\u5173\u7684\u4e8b\u4ef6\u62a5\u544a\nsudo aureport -i\n\n# \u751f\u6210\u7cfb\u7edf\u8c03\u7528\u7684\u4e8b\u4ef6\u62a5\u544a\nsudo aureport -c<\/pre>\n
        \u56db\u3001\u5173\u952e\u914d\u7f6e\u793a\u4f8b<\/p>\n
        \u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\u914d\u7f6e\uff0c\u7528\u4e8e\u5ba1\u8ba1\u7528\u6237\u7684\u767b\u5f55\u548c\u547d\u4ee4\u6267\u884c\uff1a<\/p>\n
        sudo auditctl -a always,exit -F arch=b64 -S execve -k command\nsudo auditctl -a always,exit -F arch=b64 -S execveat -k command\nsudo auditctl -a always,exit -F arch=b32 -S execve -k command\nsudo auditctl -a always,exit -F arch=b32 -S execveat -k command\nsudo auditctl -a always,exit -F arch=b64 -S sendto -F auid>=500 -F auid!=4294967295 -k connect<\/pre>\n
        \u4ee5\u4e0a\u914d\u7f6e\u4f1a\u8bb0\u5f55\u6240\u6709\u7528\u6237\u6267\u884c\u7684\u547d\u4ee4\u4ee5\u53ca\u53d1\u9001\u7684\u7f51\u7edc\u6d41\u91cf\u3002<\/p>\n
        \u4e94\u3001\u603b\u7ed3<\/p>\n
        \u5728Linux\u7cfb\u7edf\u4e0a\u914d\u7f6e\u7f51\u7edc\u5b89\u5168\u5ba1\u8ba1\u662f\u4fdd\u8bc1\u7cfb\u7edf\u5b89\u5168\u6027\u7684\u91cd\u8981\u4e00\u73af\u3002\u901a\u8fc7\u5b89\u88c5\u914d\u7f6eAuditd\uff0c\u53ef\u4ee5\u5bf9\u7f51\u7edc\u6d3b\u52a8\u8fdb\u884c\u76d1\u63a7\u5e76\u53d1\u73b0\u6f5c\u5728\u7684\u5b89\u5168\u95ee\u9898\u3002\u672c\u6587\u4ecb\u7ecd\u4e86\u5b89\u88c5Auditd\u3001\u57fa\u672c\u914d\u7f6e\u3001\u5e38\u7528\u547d\u4ee4\u548c\u5173\u952e\u914d\u7f6e\u793a\u4f8b\uff0c\u5e76\u63d0\u4f9b\u4e86\u793a\u4f8b\u4ee3\u7801\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u7406\u89e3\u3002<\/p>\n
        \u5e0c\u671b\u672c\u6587\u80fd\u591f\u5e2e\u52a9\u4f60\u5728Linux\u7cfb\u7edf\u4e0a\u8fdb\u884c\u7f51\u7edc\u5b89\u5168\u5ba1\u8ba1\u3002\u5982\u679c\u60a8\u8fd8\u6709\u5176\u4ed6\u95ee\u9898\uff0c\u8bf7\u968f\u65f6\u5411\u6211\u4eec\u63d0\u95ee\u3002<\/p>\n
        \u672c\u7bc7\u5173\u4e8e\u300a\u5728Linux\u4e0a\u8bbe\u7f6e\u7f51\u7edc\u5b89\u5168\u5ba1\u6838\u7684\u65b9\u6cd5\u300b\u7684\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\u5566\uff0c\u4f46\u662f\u5b66\u65e0\u6b62\u5883\uff0c\u60f3\u8981\u4e86\u89e3\u5b66\u4e60\u66f4\u591a\u5173\u4e8e\u6587\u7ae0\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u8bf7\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff01<\/p>\n
        \n
        <\/dt>\n
        \n   \u7528 Go \u7f16\u5199\u7684\u65f6\u95f4\u8ba1\u7b97\u5668\uff08\u4ee5\u6beb\u79d2\u4e3a\u5355\u4f4d\uff09\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
        \u5728Linux\u4e0a\u8bbe\u7f6e\u7f51\u7edc\u5b89\u5168\u5ba1\u6838\u7684\u65b9\u6cd5 \u672c\u7bc7\u6587\u7ae0\u5411\u5927\u5bb6\u4ecb\u7ecd\u300a\u5728Linux\u4e0a\u8bbe\u7f6e\u7f51\u7edc\u5b89\u5168\u5ba1\u6838\u7684\u65b9\u6cd5\u300b\uff0c\u4e3b\u8981\u5305\u62ec\uff0c\u5177\u6709\u4e00\u5b9a\u7684\u53c2\u8003\u4ef7\u503c\uff0c\u9700\u8981\u7684\u670b\u53cb\u53ef\u4ee5\u53c2\u8003\u4e00\u4e0b\u3002 \u5982\u4f55\u5728Linux\u4e0a\u914d\u7f6e\u7f51\u7edc\u5b89\u5168\u5ba1\u8ba1 \u7f51\u7edc\u5b89\u5168\u5ba1\u8ba1\u662f\u786e\u4fdd\u7f51\u7edc\u7cfb\u7edf\u7684\u5b89\u5168\u6027\u548c\u7a33\u5b9a\u6027\u7684\u91cd\u8981\u6d41\u7a0b\u3002\u5728Linux\u7cfb\u7edf\u4e0a\u8fdb\u884c\u7f51\u7edc\u5b89\u5168\u5ba1\u8ba1\u53ef\u4ee5\u5e2e\u52a9\u7ba1\u7406\u5458\u76d1\u63a7\u7f51\u7edc\u6d3b\u52a8\u3001\u53d1\u73b0\u6f5c\u5728\u7684\u5b89\u5168\u95ee\u9898\u548c\u53ca\u65f6\u91c7\u53d6\u63aa\u65bd\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u5728Linux\u4e0a\u914d\u7f6e\u7f51\u7edc\u5b89\u5168\u5ba1\u8ba1\uff0c\u5e76\u63d0\u4f9b\u4ee3\u7801\u793a\u4f8b\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u7406\u89e3\u3002 \u4e00\u3001\u5b89\u88c5Auditd Auditd \u662fLinux\u7cfb\u7edf\u9ed8\u8ba4\u7684\u5b89\u5168\u5ba1\u8ba1\u6846\u67b6\u3002\u6211\u4eec\u9996\u5148\u9700\u8981\u5b89\u88c5 Auditd\u3002 \u5728Ubuntu\u7cfb\u7edf\u4e0a\uff0c\u53ef\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u8fdb\u884c\u5b89\u88c5\uff1a sudo apt-get install auditd \u5728CentOS\u7cfb\u7edf\u4e0a\uff0c\u53ef\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u8fdb\u884c\u5b89\u88c5\uff1a sudo yum install audit \u4e8c\u3001\u914d\u7f6eAuditd \u5b89\u88c5\u5b8c\u6210\u540e\uff0c\u6211\u4eec\u9700\u8981\u5bf9 Auditd \u8fdb\u884c\u4e00\u4e9b\u57fa\u672c\u7684\u914d\u7f6e\u3002\u4e3b\u8981\u7684\u914d\u7f6e\u6587\u4ef6\u662f \/etc\/audit\/auditd.conf\u3002\u7f16\u8f91\u8be5\u6587\u4ef6\uff0c\u53ef\u4ee5\u8c03\u6574\u4e00\u4e9b\u914d\u7f6e\u9009\u9879\u3002 \u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\u914d\u7f6e\u6587\u4ef6\u7684\u5185\u5bb9\uff1a # \/etc\/auditd.conf # \u6ce8\u610f\u8fd9\u91cc\u7684\u8def\u5f84\u53ef\u80fd\u56e0\u4e0d\u540c\u7cfb\u7edf\u800c\u6709\u6240\u4e0d\u540c # \u672c\u5730\u65e5\u5fd7\u6587\u4ef6\u5b58\u50a8\u7684\u8def\u5f84 log_file = \/var\/log\/audit\/audit.log # \u6700\u5927\u65e5\u5fd7\u6587\u4ef6\u5927\u5c0f max_log_file = 50 # \u6700\u5927\u65e5\u5fd7\u5b58\u50a8\u65f6\u95f4 max_log_file_action = keep_logs # \u65e5\u5fd7\u4fdd\u7559\u7684\u5929\u6570 num_days = 30 # \u7a7a\u95f2\u65f6\u95f4\uff08\u79d2\uff09 idletime = 600 # \u53d1\u73b0\u6545\u969c\u540e\u81ea\u52a8\u505c\u6b62 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-51756","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/51756","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=51756"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/51756\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=51756"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=51756"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=51756"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}