{"id":4412,"date":"2025-07-03T02:23:46","date_gmt":"2025-07-02T17:23:46","guid":{"rendered":"https:\/\/eternalsphere.net\/echoes\/?p=4412"},"modified":"2026-06-06T09:21:21","modified_gmt":"2026-06-06T00:21:21","slug":"7r76b0pbzq29gfu","status":"publish","type":"post","link":"https:\/\/eternalsphere.net\/echoes\/index.php\/2025\/07\/03\/7r76b0pbzq29gfu\/","title":{"rendered":"Linux \u670d\u52a1\u5668\u5b89\u5168\u626b\u63cf\u65e5\u5fd7\u5206\u6790\u53ca\u7aef\u53e3\u5360\u7528\u8bf4\u660e"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u5728\u5bf9\u4e00\u53f0 Linux \u670d\u52a1\u5668\u6267\u884c rkhunter\uff08Rootkit Hunter\uff09\u5b89\u5168\u626b\u63cf\u65f6\uff0c\u65e5\u5fd7\u4e2d\u51fa\u73b0\u4e86\u6709\u5173\u7f51\u7edc\u7aef\u53e3\u3001\u7cfb\u7edf\u8d26\u6237\u4ee5\u53ca\u914d\u7f6e\u7684\u591a\u9879\u63d0\u793a\u548c\u8b66\u544a\u3002\u4ee5\u4e0b\u662f\u5bf9\u8fd9\u4e9b\u68c0\u6d4b\u7ed3\u679c\u7684\u8be6\u7ec6\u5206\u6790\u53ca\u5904\u7406\u5efa\u8bae\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udfe0 \u7aef\u53e3\u626b\u63cf\u7ed3\u679c<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">rkhunter \u68c0\u6d4b\u5230 TCP 7000 \u7aef\u53e3\u88ab\u5360\u7528\uff0c\u5e76\u63d0\u793a\u53ef\u80fd\u5b58\u5728\u6076\u610f IRC bot \u6216 rootkit\u3002\u8fdb\u4e00\u6b65\u67e5\u770b\u65e5\u5fd7\u663e\u793a\uff0c\u8be5\u7aef\u53e3\u88ab <code>\/usr\/sbin\/mysqld<\/code> \u5360\u7528\uff0c\u5373\u4e3a\u6570\u636e\u5e93\u670d\u52a1 mysqld \u8fdb\u7a0b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u901a\u5e38\u60c5\u51b5\u4e0b\uff0cMySQL \u9ed8\u8ba4\u4f7f\u7528 3306 \u7aef\u53e3\uff0c\u82e5\u5728\u914d\u7f6e\u6587\u4ef6\uff08\u5982 <code>my.cnf<\/code>\uff09\u4e2d\u4fee\u6539\u8fc7\uff0c\u53ef\u80fd\u4f1a\u76d1\u542c\u5176\u4ed6\u7aef\u53e3\uff08\u4f8b\u5982\u6d4b\u8bd5\u73af\u5883\u6216\u591a\u5b9e\u4f8b\u573a\u666f\u4e0b\uff09\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u9a8c\u8bc1\u7aef\u53e3\u4f7f\u7528\u60c5\u51b5<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u53ef\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u786e\u8ba4\u5177\u4f53\u5360\u7528\u60c5\u51b5\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">bashCopyEdit<code>sudo lsof -i :7000\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u6216<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">bashCopyEdit<code>sudo netstat -tulnp | grep 7000\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u786e\u8ba4\u7531 mysqld \u7ed1\u5b9a\u540e\uff0c\u53ef\u5224\u5b9a\u4e3a\u6b63\u5e38\u4f7f\u7528\uff0c\u65e0\u9700\u62c5\u5fe7\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udfe2 \u65b0\u589e\u7528\u6237\u548c\u7ec4<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u626b\u63cf\u4e2d\u63d0\u793a <code>\/etc\/passwd<\/code> \u548c <code>\/etc\/group<\/code> \u6587\u4ef6\u65b0\u589e\u4e86\u4ee5\u4e0b\u7528\u6237\u548c\u7ec4\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7528\u6237\uff1a<code>clamav<\/code>\u3001<code>postfix<\/code><\/li>\n\n\n\n<li>\u7ec4\uff1a<code>clamav<\/code>\u3001<code>postfix<\/code>\u3001<code>postdrop<\/code><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4e9b\u662f\u6b63\u5e38\u7684\u8f6f\u4ef6\u5b89\u88c5\uff08\u5982 ClamAV \u6740\u6bd2\u5f15\u64ce\u3001Postfix \u90ae\u4ef6\u670d\u52a1\uff09\u8fc7\u7a0b\u4e2d\u81ea\u52a8\u521b\u5efa\u7684\u7cfb\u7edf\u7528\u6237\u548c\u7ec4\uff0c\u5c5e\u4e8e\u5b89\u5168\u73b0\u8c61\uff0c\u65e0\u9700\u989d\u5916\u64cd\u4f5c\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">\u26a0\ufe0f SSH \u914d\u7f6e\u5dee\u5f02<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u53d1\u73b0 SSH \u914d\u7f6e\u6587\u4ef6\u4e2d\u8bbe\u7f6e\u4e86\u5141\u8bb8 root \u767b\u5f55\uff08<code>PermitRootLogin yes<\/code>\uff09\uff0c\u800c rkhunter \u914d\u7f6e\u4e2d <code>ALLOW_SSH_ROOT_USER<\/code> \u8bbe\u7f6e\u4e3a <code>no<\/code>\uff0c\u56e0\u6b64\u63d0\u793a\u914d\u7f6e\u4e0d\u4e00\u81f4\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u51fa\u4e8e\u5b89\u5168\u8003\u8651\uff0c\u5efa\u8bae\u7981\u7528 root \u8d26\u53f7\u76f4\u63a5\u767b\u5f55 SSH\uff0c\u6539\u7528\u666e\u901a\u7528\u6237\u767b\u5f55\u540e\u4f7f\u7528 sudo \u63d0\u6743\u3002\u82e5\u5fc5\u987b\u4fdd\u7559 root \u767b\u5f55\uff0c\u53ef\u7edf\u4e00\u8c03\u6574 rkhunter \u914d\u7f6e\u6587\u4ef6\u4ee5\u6d88\u9664\u8b66\u544a\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">\u26a0\ufe0f \u9690\u85cf\u6587\u4ef6\u63d0\u793a<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u7cfb\u7edf\u68c0\u6d4b\u5230\u4ee5\u4e0b\u9690\u85cf\u6587\u4ef6\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>\/etc\/.resolv.conf.systemd-resolved.bak<\/code><\/li>\n\n\n\n<li><code>\/etc\/.updated<\/code><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4e9b\u6587\u4ef6\u901a\u5e38\u4e3a\u5907\u4efd\u6216\u7cfb\u7edf\u6807\u8bb0\u6587\u4ef6\uff0c\u9700\u68c0\u67e5\u5176\u5185\u5bb9\u786e\u8ba4\u65e0\u6076\u610f\u4ee3\u7801\u3002\u4f8b\u5982\uff0c\u53ef\u4f7f\u7528 <code>cat<\/code> \u67e5\u770b\uff0c\u5982\u65e0\u53ef\u7591\u6307\u4ee4\uff0c\u53ef\u5224\u5b9a\u4e3a\u5b89\u5168\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">\u2705 \u5176\u4ed6\u5b89\u5168\u68c0\u67e5\u7ed3\u679c<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u542f\u52a8\u9879\u68c0\u67e5\u672a\u68c0\u6d4b\u5230\u6076\u610f\u811a\u672c<\/li>\n\n\n\n<li>\u7cfb\u7edf\u8d26\u6237\u68c0\u67e5\u65e0 UID=0 \u7684\u5f02\u5e38\u8d26\u6237<\/li>\n\n\n\n<li>\u672a\u53d1\u73b0\u7a7a\u5bc6\u7801\u8d26\u6237<\/li>\n\n\n\n<li>\u65e5\u5fd7\u6587\u4ef6\u65e0\u7f3a\u5931<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udca1 \u603b\u7ed3<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u6b21\u626b\u63cf\u6574\u4f53\u7ed3\u679c\u8f83\u597d\uff0c\u672a\u53d1\u73b0\u660e\u786e\u6076\u610f rootkit \u6216\u540e\u95e8\uff0c\u53ea\u662f\u6839\u636e\u7aef\u53e3\u53f7\u505a\u51fa\u63d0\u9192\uff08\u8bef\u62a5\uff09\u3002\u901a\u8fc7\u9a8c\u8bc1\u786e\u8ba4 mysqld \u5360\u7528 TCP 7000 \u7aef\u53e3\u540e\uff0c\u53ef\u6392\u9664\u98ce\u9669\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6b64\u5916\uff0cSSH \u914d\u7f6e\u5efa\u8bae\u8c03\u6574\u4e3a\u7981\u7528 root \u767b\u5f55\uff0c\u4ee5\u8fdb\u4e00\u6b65\u589e\u5f3a\u5b89\u5168\u6027\u3002\u9488\u5bf9\u65b0\u589e\u7528\u6237\u7ec4\u4e0e\u9690\u85cf\u6587\u4ef6\uff0c\u53ea\u8981\u786e\u8ba4\u6765\u6e90\u53ef\u4fe1\uff0c\u53ef\u4e0d\u5fc5\u5904\u7406\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udd27 \u540e\u7eed\u5efa\u8bae<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5b9a\u671f\u66f4\u65b0 rkhunter \u6570\u636e\u5e93\uff08<code>rkhunter --update<\/code>\uff09<\/li>\n\n\n\n<li>\u5b9a\u671f\u67e5\u770b\u7cfb\u7edf\u53ca\u670d\u52a1\u914d\u7f6e\uff0c\u4fdd\u6301\u6700\u5c0f\u5316\u66b4\u9732\u9762<\/li>\n\n\n\n<li>\u4e3a rkhunter \u914d\u7f6e\u6587\u4ef6\u6dfb\u52a0\u9700\u8981\u5ffd\u7565\u7684\u6b63\u5e38\u7aef\u53e3\uff0c\u51cf\u5c11\u8bef\u62a5<\/li>\n\n\n\n<li>\u6301\u7eed\u76d1\u63a7\u7cfb\u7edf\u65e5\u5fd7\uff0c\u786e\u4fdd\u957f\u671f\u5b89\u5168\u7a33\u5b9a<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u5bf9\u4e00\u53f0 Linux \u670d\u52a1\u5668\u6267\u884c rkhunter\uff08Rootkit Hunter\uff09\u5b89\u5168\u626b\u63cf\u65f6\uff0c\u65e5\u5fd7\u4e2d\u51fa\u73b0\u4e86\u6709\u5173\u7f51\u7edc\u7aef\u53e3\u3001\u7cfb\u7edf\u8d26\u6237\u4ee5\u53ca\u914d\u7f6e\u7684\u591a\u9879\u63d0\u793a\u548c\u8b66\u544a\u3002\u4ee5\u4e0b\u662f\u5bf9\u8fd9\u4e9b\u68c0\u6d4b\u7ed3\u679c\u7684\u8be6\u7ec6\u5206\u6790\u53ca\u5904\u7406\u5efa\u8bae\u3002 \ud83d\udfe0 \u7aef\u53e3\u626b\u63cf\u7ed3\u679c rkhunter \u68c0\u6d4b\u5230 TCP 7000 \u7aef\u53e3\u88ab\u5360\u7528\uff0c\u5e76\u63d0\u793a\u53ef\u80fd\u5b58\u5728\u6076\u610f IRC bot \u6216 rootkit\u3002\u8fdb\u4e00\u6b65\u67e5\u770b\u65e5\u5fd7\u663e\u793a\uff0c\u8be5\u7aef\u53e3\u88ab \/usr\/sbin\/mysqld \u5360\u7528\uff0c\u5373\u4e3a\u6570\u636e\u5e93\u670d\u52a1 mysqld \u8fdb\u7a0b\u3002 \u901a\u5e38\u60c5\u51b5\u4e0b\uff0cMySQL \u9ed8\u8ba4\u4f7f\u7528 3306 \u7aef\u53e3\uff0c\u82e5\u5728\u914d\u7f6e\u6587\u4ef6\uff08\u5982 my.cnf\uff09\u4e2d\u4fee\u6539\u8fc7\uff0c\u53ef\u80fd\u4f1a\u76d1\u542c\u5176\u4ed6\u7aef\u53e3\uff08\u4f8b\u5982\u6d4b\u8bd5\u73af\u5883\u6216\u591a\u5b9e\u4f8b\u573a\u666f\u4e0b\uff09\u3002 \u9a8c\u8bc1\u7aef\u53e3\u4f7f\u7528\u60c5\u51b5 \u53ef\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u786e\u8ba4\u5177\u4f53\u5360\u7528\u60c5\u51b5\uff1a bashCopyEditsudo lsof -i :7000 \u6216 bashCopyEditsudo netstat -tulnp | grep 7000 \u786e\u8ba4\u7531 mysqld \u7ed1\u5b9a\u540e\uff0c\u53ef\u5224\u5b9a\u4e3a\u6b63\u5e38\u4f7f\u7528\uff0c\u65e0\u9700\u62c5\u5fe7\u3002 \ud83d\udfe2 \u65b0\u589e\u7528\u6237\u548c\u7ec4 \u626b\u63cf\u4e2d\u63d0\u793a \/etc\/passwd \u548c \/etc\/group \u6587\u4ef6\u65b0\u589e\u4e86\u4ee5\u4e0b\u7528\u6237\u548c\u7ec4\uff1a \u8fd9\u4e9b\u662f\u6b63\u5e38\u7684\u8f6f\u4ef6\u5b89\u88c5\uff08\u5982 ClamAV &hellip;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[118],"tags":[],"class_list":["post-4412","post","type-post","status-publish","format-standard","hentry","category-tm5418kixf8ipqv"],"_links":{"self":[{"href":"https:\/\/eternalsphere.net\/echoes\/index.php\/wp-json\/wp\/v2\/posts\/4412","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/eternalsphere.net\/echoes\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/eternalsphere.net\/echoes\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/eternalsphere.net\/echoes\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/eternalsphere.net\/echoes\/index.php\/wp-json\/wp\/v2\/comments?post=4412"}],"version-history":[{"count":1,"href":"https:\/\/eternalsphere.net\/echoes\/index.php\/wp-json\/wp\/v2\/posts\/4412\/revisions"}],"predecessor-version":[{"id":4413,"href":"https:\/\/eternalsphere.net\/echoes\/index.php\/wp-json\/wp\/v2\/posts\/4412\/revisions\/4413"}],"wp:attachment":[{"href":"https:\/\/eternalsphere.net\/echoes\/index.php\/wp-json\/wp\/v2\/media?parent=4412"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/eternalsphere.net\/echoes\/index.php\/wp-json\/wp\/v2\/categories?post=4412"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/eternalsphere.net\/echoes\/index.php\/wp-json\/wp\/v2\/tags?post=4412"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}