{"id":1591,"date":"2016-12-29T23:45:41","date_gmt":"2016-12-29T15:45:41","guid":{"rendered":"http:\/\/cn.hostease.com\/xueyuan\/?p=1591"},"modified":"2024-11-15T14:27:30","modified_gmt":"2024-11-15T06:27:30","slug":"centos-%e6%9f%a5%e5%90%8e%e9%97%a8%e7%a8%8b%e5%ba%8f%e7%9a%84shell","status":"publish","type":"post","link":"https:\/\/cn.hostease.com\/xueyuan\/jishu\/linux\/centos-%e6%9f%a5%e5%90%8e%e9%97%a8%e7%a8%8b%e5%ba%8f%e7%9a%84shell\/","title":{"rendered":"CentOS \u67e5\u540e\u95e8\u7a0b\u5e8f\u7684shell"},"content":{"rendered":"\n<p>\u6bcf\u4e2a\u8fdb\u7a0b\u90fd\u4f1a\u6709\u4e00\u4e2aPID\uff0c\u800c\u6bcf\u4e00\u4e2aPID\u90fd\u4f1a\u5728\/proc\u76ee\u5f55\u4e0b\u6709\u4e00\u4e2a\u76f8\u5e94\u7684\u76ee\u5f55\uff0c\u8fd9\u662fLinux\uff08\u5f53\u524d\u5185\u68382.6\uff09\u7cfb\u7edf\u7684\u5b9e\u73b0\u3002<br>\n\u4e00\u822c\u540e\u95e8\u7a0b\u5e8f\uff0c\u5728ps\u7b49\u8fdb\u7a0b\u67e5\u770b\u5de5\u5177\u91cc\u627e\u4e0d\u5230\uff0c\u56e0\u4e3a\u8fd9\u4e9b\u5e38\u7528\u5de5\u5177\u751a\u81f3\u7cfb\u7edf\u5e93\u5728\u7cfb\u7edf\u88ab\u5165\u4fb5\u4e4b\u540e\u57fa\u672c\u4e0a\u5df2\u7ecf\u88ab\u52a8\u8fc7\u624b\u811a\uff08\u7f51\u4e0a\u6d41\u4f20\u7740\u5927\u91cf\u7684rootkit\u3002\u5047\u5982\u662f\u5185\u6838\u7ea7\u7684\u6728\u9a6c\uff0c\u90a3\u4e48\u8be5\u65b9\u6cd5\u5c31\u65e0\u6548\u4e86\uff09\u3002<br>\n\u56e0\u4e3a\u4fee\u6539\u7cfb\u7edf\u5185\u6838\u76f8\u5bf9\u590d\u6742\uff08\u5047\u5982\u5185\u6838\u88ab\u4fee\u6539\u8fc7\uff0c\u6216\u8005\u662f\u5185\u6838\u7ea7\u7684\u6728\u9a6c\uff0c\u5c31\u66f4\u96be\u53d1\u73b0\u4e86\uff09\uff0c\u6240\u4ee5\u5728\/proc\u4e0b\uff0c\u57fa\u672c\u4e0a\u8fd8\u90fd\u53ef\u4ee5\u627e\u5230\u6728\u9a6c\u7684\u75d5\u8ff9\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u601d\u8def\uff1a<\/h3>\n\n\n\n<p>\u5728\/proc\u4e2d\u5b58\u5728\u7684\u8fdb\u7a0bID\uff0c\u5728 ps \u4e2d\u67e5\u770b\u4e0d\u5230\uff08\u88ab\u9690\u85cf\uff09\uff0c\u5fc5\u6709\u95ee\u9898\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">#!\/bin\/bash\n\nstr_pids=\"`ps -A | awk '{print $1}'`\";\nfor i in \/proc\/[[:digit:]]*;\ndo\n\tif echo \"$str_pids\" | grep -qs `basename \"$i\"`;\n\tthen\n\t\t:\n\telse\n\t\techo \"Rootkit's PID: $(basename \"$i\")\";\n\tfi\ndone<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u8ba8\u8bba\uff1a<\/h3>\n\n\n\n<p>\u68c0\u67e5\u7cfb\u7edf(Linux)\u662f\u4e0d\u662f\u88ab\u9ed1\uff0c\u5176\u590d\u6742\u7a0b\u5ea6\u4e3b\u8981\u53d6\u51b3\u4e8e\u5165\u4fb5\u8005\u201c\u626b\u5c3e\u5de5\u4f5c\u201d\u662f\u5426\u505a\u5f97\u5145\u8db3\u3002\u5bf9\u4e8e\u4e00\u6b21\u505a\u8db3\u529f\u8bfe\u7684\u5165\u4fb5\u6765\u8bf4\uff0c\u8981\u60f3\u5254\u9664\u5e72\u51c0\uff0c\u5c06\u662f\u4e00\u4ef6\u5206\u7cbe\u5bc6\u3001\u75db\u82e6\u7684\u4e8b\u60c5\uff0c\u901a\u5e38\u8fd9\u79cd\u60c5\u51b5\uff0c\u9700\u8981\u7528\u4e13\u4e1a\u7684\u7b2c\u4e09\u65b9\u7684\u5de5\u5177\uff08\u6709\u5f00\u6e90\u7684\uff0c\u6bd4\u5982tripwire\uff0c\u6bd4\u5982aide\uff09\u6765\u505a\u8fd9\u4ef6\u4e8b\u60c5\u3002<br> \u800c\u4e13\u4e1a\u7684\u5de5\u5177\uff0c\u90e8\u7f72\u3001\u4f7f\u7528\u76f8\u5bf9\u6bd4\u8f83\u9ebb\u70e6\uff0c\u4e5f\u5e76\u975e\u6240\u6709\u7684\u7ba1\u7406\u5458\u90fd\u80fd\u719f\u7ec3\u4f7f\u7528\u3002<br> <br> \u5b9e\u9645\u4e0aLinux\u7cfb\u7edf\u672c\u8eab\u5df2\u7ecf\u63d0\u4f9b\u4e86\u4e00\u5957\u201c\u6821\u9a8c\u201d\u673a\u5236\uff0c\u5728\u68c0\u67e5\u7cfb\u7edf\u4e0a\u7684\u7a0b\u5e8f\u6ca1\u6709\u88ab\u4fee\u6539\u3002\u6bd4\u5982rpm\u5305\u7ba1\u7406\u7cfb\u7edf\u63d0\u4f9b\u7684 -V \u529f\u80fd\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">rpm -Va<\/pre>\n\n\n\n<p> \u5373\u53ef\u6821\u9a8c\u7cfb\u7edf\u4e0a\u6240\u6709\u7684\u5305\uff0c\u8f93\u51fa\u4e0e\u5b89\u88c5\u65f6\u88ab\u4fee\u6539\u8fc7\u7684\u6587\u4ef6\u53ca\u76f8\u5173\u4fe1\u606f\u3002\u4f46\u662frpm\u7cfb\u7edf\u4e5f\u53ef\u80fd\u88ab\u7834\u574f\u4e86\uff0c\u6bd4\u5982\u88ab\u4fee\u6539\u8fc7\u3002<br><br>\u6587\u7ae0\u51fa\u81ea\u7f51\u7edc\u535a\u5ba2\uff0c\u5982\u6709\u4fb5\u6743\u8bf7\u8054\u7cfbHostease\u5ba2\u670d\u5220\u9664<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6bcf\u4e2a\u8fdb\u7a0b\u90fd\u4f1a\u6709\u4e00\u4e2aPID\uff0c\u800c\u6bcf\u4e00\u4e2aPID\u90fd\u4f1a\u5728\/proc\u76ee\u5f55\u4e0b\u6709\u4e00\u4e2a\u76f8\u5e94\u7684\u76ee\u5f55\uff0c\u8fd9\u662fLinux\uff08\u5f53\u524d\u5185\u68382.6 &#8230; 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