{"id":57986,"date":"2018-11-19T09:00:49","date_gmt":"2018-11-19T01:00:49","guid":{"rendered":"https:\/\/blog.trendmicro.com.tw\/?p=57986"},"modified":"2018-11-16T12:16:06","modified_gmt":"2018-11-16T04:16:06","slug":"%e6%8c%96%e7%a4%a6%e6%83%a1%e6%84%8f%e7%a8%8b%e5%bc%8f%e6%94%bb%e6%93%8a-linux-%e7%b3%bb%e7%b5%b1%e4%b8%a6%e5%88%a9%e7%94%a8-rootkit-%e8%87%aa%e6%88%91%e9%9a%b1%e8%97%8f","status":"publish","type":"post","link":"https:\/\/blog.trendmicro.com.tw\/?p=57986","title":{"rendered":"\u6316\u7926\u60e1\u610f\u7a0b\u5f0f\u653b\u64ca Linux \u7cfb\u7d71,\u4e26\u5229\u7528 Rootkit \u81ea\u6211\u96b1\u85cf"},"content":{"rendered":"<p>\u96a8\u8457<a href=\"https:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/cryptocurrency-mining-malware-2018-new-menace\/\">\u865b\u64ec\u52a0\u5bc6\u8ca8\u5e63\u8d8a\u4f86\u8d8a\u71b1\u9580<\/a>\uff0c\u7db2\u8def\u72af\u7f6a\u96c6\u5718\u4e0d\u610f\u5916\u5730\u6b63\u7a4d\u6975\u958b\u767c\u3001\u5fae\u8abf\u5404\u7a2e<a href=\"https:\/\/www.trendmicro.com\/vinfo\/us\/security\/news\/cybercrime-and-digital-threats\/security-101-the-impact-of-cryptocurrency-mining-malware\">\u865b\u64ec\u52a0\u5bc6\u8ca8\u5e63\u6316\u7926\u60e1\u610f\u7a0b\u5f0f<\/a>\u3002\u4e8b\u5be6\u4e0a\uff0c\u9019\u985e\u5a01\u8105\u662f\u8da8\u52e2\u79d1\u6280<a href=\"https:\/\/www.trendmicro.com\/vinfo\/us\/security\/research-and-analysis\/threat-reports\/roundup\/unseen-threats-imminent-losses\">\u6700\u5e38\u4e00\u76f4\u5075\u6e2c\u5230\u7684\u60e1\u610f\u7a0b\u5f0f<\/a>\uff0c\u800c\u4e14\u5404\u7a2e\u5e73\u53f0\u548c\u88dd\u7f6e\u7686\u6709\u3002<\/p>\n<p>\u6700\u8fd1\u6211\u5011\u767c\u73fe\u4e00\u500b\u65b0\u7684<a href=\"https:\/\/blog.trendmicro.com.tw\/?p=56134\">\u6316\u7926( coinmining )<\/a>\u60e1\u610f\u7a0b\u5f0f (\u8da8\u52e2\u79d1\u6280\u547d\u540d\u70ba <a href=\"https:\/\/www.trendmicro.com\/vinfo\/us\/threat-encyclopedia\/malware\/Coinminer.Linux.KORKERDS.AB\">Coinminer.Linux.KORKERDS.AB<\/a>) \u5c08\u9580\u653b\u64ca Linux \u7cfb\u7d71\uff0c\u800c\u4e14\u6703\u5229\u7528\u67d0\u500b Rootkit (<a href=\"https:\/\/www.trendmicro.com\/vinfo\/us\/threat-encyclopedia\/malware\/Rootkit.Linux.KORKERDS.AA\">Rootkit.Linux.KORKERDS.AA<\/a>) \u4f86\u96b1\u85cf\u5176\u60e1\u610f\u57f7\u884c\u7a0b\u5e8f\uff0c\u8b93\u76e3\u63a7\u5de5\u5177\u770b\u4e0d\u5230\u5176\u57f7\u884c\u7a0b\u5e8f\u3002\u9019\u4e00\u9ede\u6703\u8b93\u5075\u6e2c\u5de5\u4f5c\u8b8a\u5f97\u66f4\u56f0\u96e3\uff0c\u56e0\u70ba\u88ab\u611f\u67d3\u7684\u7cfb\u7d71\u53ea\u6703\u770b\u5230\u6548\u80fd\u8b8a\u5dee\uff0c\u4f46\u537b\u770b\u4e0d\u51fa\u662f\u8ab0\u5728\u6d88\u8017\u8cc7\u6e90\u3002\u9664\u6b64\u4e4b\u5916\uff0c\u8a72\u60e1\u610f\u7a0b\u5f0f\u9084\u53ef\u4ee5\u66f4\u65b0\u6216\u5347\u7d1a\u81ea\u5df1\u7684\u7a0b\u5f0f\u548c\u7d44\u614b\u8a2d\u5b9a\u6a94\u6848\u3002<\/p>\n<p><a href=\"https:\/\/blog.trendmicro.com.tw\/wp-content\/uploads\/2018\/11\/20180913221850952-566-rcqaq3z-800.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-57988\" src=\"https:\/\/blog.trendmicro.com.tw\/wp-content\/uploads\/2018\/11\/20180913221850952-566-rcqaq3z-800.jpg\" alt=\"\" width=\"800\" height=\"581\" data-wp-pid=\"57988\" srcset=\"https:\/\/blog.trendmicro.com.tw\/wp-content\/uploads\/2018\/11\/20180913221850952-566-rcqaq3z-800.jpg 800w, https:\/\/blog.trendmicro.com.tw\/wp-content\/uploads\/2018\/11\/20180913221850952-566-rcqaq3z-800-300x218.jpg 300w, https:\/\/blog.trendmicro.com.tw\/wp-content\/uploads\/2018\/11\/20180913221850952-566-rcqaq3z-800-768x558.jpg 768w, https:\/\/blog.trendmicro.com.tw\/wp-content\/uploads\/2018\/11\/20180913221850952-566-rcqaq3z-800-30x22.jpg 30w, https:\/\/blog.trendmicro.com.tw\/wp-content\/uploads\/2018\/11\/20180913221850952-566-rcqaq3z-800-600x436.jpg 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/a><\/p>\n<p>\u503c\u5f97\u6ce8\u610f\u7684\u4e00\u9ede\u662f\uff0c\u5728 Unix \u4ee5\u53ca\u985e Unix \u7cfb\u7d71 (\u5982 Linux) \u7684<a href=\"https:\/\/blog.trendmicro.com.tw\/?p=47496\">\u6a94\u6848\u6b0a\u9650\u8a2d\u5b9a\u65b9\u5f0f<\/a>\u4e0b\uff0c\u53ea\u8981\u662f\u5177\u5099\u57f7\u884c\u6b0a\u9650\u7684\u6a94\u6848\u90fd\u80fd\u57f7\u884c\u3002\u6211\u5011\u63a8\u6e2c\uff0c\u9019\u500b\u865b\u64ec\u52a0\u5bc6\u8ca8\u5e63\u6316\u7926\u60e1\u610f\u7a0b\u5f0f\u7684\u611f\u67d3\u9014\u5f91\u662f\u7d93\u7531\u60e1\u610f\u7684\u7b2c\u4e09\u65b9\/\u975e\u5b98\u65b9\u6216\u53d7\u611f\u67d3\u7684\u5916\u639b\u7a0b\u5f0f (\u5982\uff1a<a href=\"https:\/\/www.trendmicro.com\/vinfo\/us\/security\/news\/cybercrime-and-digital-threats\/cryptocurrency-mining-malware-targets-kodi-users-on-windows-linux\">\u5a92\u9ad4\u4e32\u6d41\u8edf\u9ad4<\/a>)\u3002\u7576\u4f7f\u7528\u8005\u5b89\u88dd\u9019\u985e\u5916\u639b\u7a0b\u5f0f\u6642\uff0c\u5c31\u7b49\u65bc\u63d0\u4f9b\u5b83\u7cfb\u7d71\u7ba1\u7406\u6b0a\u9650\uff0c\u5982\u679c\u662f\u5df2\u7d93\u88ab\u99ed\u7684\u61c9\u7528\u7a0b\u5f0f\uff0c\u60e1\u610f\u7a0b\u5f0f\u5c31\u80fd\u4ee5\u61c9\u7528\u7a0b\u5f0f\u6240\u64c1\u6709\u7684\u6b0a\u9650\u4f86\u57f7\u884c\u3002\u9019\u6a23\u7684\u611f\u67d3\u65b9\u5f0f\u4e26\u975e\u7f55\u898b\uff0c\u56e0\u70ba\u5176\u4ed6 Linux \u865b\u64ec\u52a0\u5bc6\u8ca8\u5e63\u6316\u7926\u60e1\u610f\u7a0b\u5f0f\u4e5f\u662f<a href=\"https:\/\/www.lieberbiber.de\/2018\/09\/04\/a-look-a-the-linux-coinminer-bc-malware\/\">\u5229\u7528<\/a>\u9019\u6a23\u7684\u9014\u5f91\u5165\u4fb5\u3002<\/p>\n<p>\u3010\u5ef6\u4f38\u95b1\u8b80:<a href=\"https:\/\/blog.trendmicro.com.tw\/?p=47496\">Unix\uff1a\u6703\u5fb9\u5e95\u6539\u8b8a\u52d2\u7d22\u75c5\u6bd2\u904a\u6232\u898f\u5247\u55ce\uff1f<\/a>\u3011<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"\" src=\"https:\/\/documents.trendmicro.com\/images\/TEx\/articles\/linux-miner-rootkit-1.jpg\" width=\"900\" height=\"484\" \/><\/p>\n<p><em>\u5716 1\uff1a\u865b\u64ec\u52a0\u5bc6\u8ca8\u5e63\u60e1\u610f\u7a0b\u5f0f\u7684\u611f\u67d3\u904e\u7a0b\u3002<\/em><br \/>\n<!--more--><\/p>\n<h3>\u6280\u8853\u5c64\u9762\u5206\u6790<\/h3>\n<p>\u6700\u521d\u7684\u60e1\u610f\u7a0b\u5f0f (<a href=\"https:\/\/www.trendmicro.com\/vinfo\/us\/threat-encyclopedia\/malware\/Trojan.Linux.DLOADER.THAOOAAK\">Trojan.Linux.DLOADER.THAOOAAK<\/a>) \u6703\u9023\u7dda\u81f3 Pastebin \u53bb\u4e0b\u8f09\u67d0\u500b\u6a94\u6848\u3002\u88ab\u4e0b\u8f09\u7684\u6a94\u6848\u662f\u4e00\u500b\u6307\u4ee4\u5217\u8173\u672c (shell script)\uff0c\u4e0b\u8f09\u5f8c\u6703\u5132\u5b58\u6210\u300c<em>\/bin\/httpdns<\/em>\u300d\u3002\u63a5\u8457\u60e1\u610f\u7a0b\u5f0f\u6703\u5728\u7cfb\u7d71\u8a2d\u5b9a\u4e00\u500b\u6392\u7a0b\u5de5\u4f5c\u4ee5\u4fbf\u6bcf\u5c0f\u6642\u57f7\u884c\u4e00\u6b21 <em>\/bin\/httpdns<\/em>\uff0c\u6700\u5f8c\u518d\u57f7\u884c\u9019\u500b\u88ab\u4e0b\u8f09\u7684\u6307\u4ee4\u5217\u8173\u672c\u3002<em>\/bin\/httpdns<\/em> \u7576\u4e2d\u7684\u7a0b\u5f0f\u78bc\u6703\u5c0d\u5916\u9023\u7dda\u4e26\u4e0b\u8f09\u53e6\u4e00\u500b\u4ee5 base64 \u7de8\u78bc\u7684\u6587\u5b57\u6a94\u6848\u3002\u8a72\u6a94\u6848\u89e3\u78bc\u4e4b\u5f8c\uff0c\u540c\u6a23\u4e5f\u662f\u4e00\u500b\u6307\u4ee4\u5217\u8173\u672c\uff0c\u4e26\u4ea4\u7531 <em>\/bin\/httpdns<\/em> \u4f86\u57f7\u884c\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/documents.trendmicro.com\/images\/TEx\/articles\/linux-miner-rootkit-2.png\" \/><br \/>\n<em>\u5716 2\uff1a\u4e0b\u8f09\u4e26\u5132\u5b58\u6307\u4ee4\u5217\u8173\u672c\u7684\u7a0b\u5f0f\u78bc\u3002<\/em><\/p>\n<p>\u8a72\u8173\u672c\u57f7\u884c\u5f8c\uff0c\u9996\u5148\u6703\u6aa2\u67e5\u60e1\u610f\u7a0b\u5f0f\u662f\u5426\u6709\u6700\u65b0\u7248\u672c\u3002\u622a\u81f3\u672c\u6587\u64b0\u7a3f\u70ba\u6b62\uff0c\u8a72\u9023\u7d50\u4ecd\u5305\u542b\u300cnoupdate\u300d\u9019\u500b\u5b57\u4e32\uff0c\u4ee3\u8868\u76ee\u524d\u60e1\u610f\u7a0b\u5f0f\u4e26\u7121\u66f4\u65b0\u3002\u5982\u679c\u6709\u66f4\u65b0\uff0c\u8173\u672c\u6703\u547c\u53eb\u5176\u300c<em>echocron <\/em>\u300d\u51fd\u5f0f\u4f86\u4e0b\u8f09\u65b0\u7248\u7684\u60e1\u610f\u7a0b\u5f0f\u4e26\u8a2d\u5b9a\u6392\u7a0b\u5de5\u4f5c\u4f86\u52a0\u4ee5\u57f7\u884c\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"\" src=\"https:\/\/documents.trendmicro.com\/images\/TEx\/articles\/linux-miner-rootkit-3.png\" width=\"1143\" height=\"61\" \/><\/p>\n<p><em>\u5716 3\uff1a\u547c\u53eb echocron \u7684\u8173\u672c\u7a0b\u5f0f\u78bc\u3002<\/em><\/p>\n<p>\u5982\u679c\u6c92\u6709\u66f4\u65b0\uff0c\u90a3\u9ebc\u6307\u4ee4\u5217\u8173\u672c\u5c31\u6703\u7e7c\u7e8c\u57f7\u884c\uff0c\u9996\u5148\u6703\u547c\u53eb\u5176\u300c<em>downloadrun<\/em>\u300d\u51fd\u5f0f (\u5982\u5716 4)\uff0c\u8a72\u51fd\u5f0f\u6703\u4e0b\u8f09\u771f\u6b63\u7684\u60e1\u610f\u6316\u7926\u7a0b\u5f0f\u3002\u5118\u7ba1\u5176\u9023\u7dda\u7684\u7db2\u5740\u6307\u5411\u7684\u662f\u4e00\u500b .jpg \u526f\u6a94\u540d\u7684\u6a94\u6848\uff0c\u4f46\u5be6\u969b\u4e0a\u537b\u662f\u4e00\u500b ELF \u57f7\u884c\u6a94\uff0c\u4e0b\u8f09\u5f8c\u6703\u5132\u5b58\u70ba\u300c<em>\/tmp\/kworkerds<\/em>\u300d\u3002<\/p>\n<p>\u6307\u4ee4\u5217\u8173\u672c\u5728\u4e0b\u8f09\u4e26\u57f7\u884c\u4e86\u865b\u64ec\u52a0\u5bc6\u8ca8\u5e63\u6316\u7926\u60e1\u610f\u7a0b\u5f0f\u4e4b\u5f8c\uff0c\u5c31\u6703\u547c\u53eb\u5176\u300c<em>init<\/em>\u300d\u51fd\u5f0f\u4f86\u4e0b\u8f09\u67d0\u500b\u7248\u672c\u7684\u521d\u59cb\u6a94\u6848\u3002\u88ab\u4e0b\u8f09\u7684\u6a94\u6848\u6703\u5132\u5b58\u6210\u300c<em>\/usr\/sbin\/netdns<\/em>\u300d\u4e26\u5b89\u88dd\u6210\u7cfb\u7d71\u4e2d\u7684\u4e00\u500b\u670d\u52d9\u3002\u63a5\u8457\u5c31\u6703\u547c\u53eb\u300c<em>echocron<\/em>\u300d\u51fd\u5f0f\u3002<\/p>\n<p><em><img loading=\"lazy\" decoding=\"async\" class=\"\" src=\"https:\/\/documents.trendmicro.com\/images\/TEx\/articles\/linux-miner-rootkit-4-3.png\" width=\"724\" height=\"355\" \/><\/em><\/p>\n<p><em>\u5716 4\uff1a\u60e1\u610f\u7a0b\u5f0f\u7684\u4e09\u500b\u51fd\u5f0f\uff1adownloadrun (\u4e0a)\u3001init (\u4e2d)\u3001downloadrunxm (\u4e0b)\u3002<\/em><\/p>\n<p>\u6307\u4ee4\u5217\u8173\u672c\u6703\u5148\u4f11\u606f 10 \u79d2\u9418\uff0c\u7136\u5f8c\u518d\u6aa2\u67e5\u9023\u63a5\u57e0 56415 \u4e0a\u662f\u5426\u5df2\u6709\u9023\u7dda\u5728\u4f7f\u7528\u3002\u5982\u679c\u6c92\u6709\uff0c\u5c31\u6703\u57f7\u884c\u5176\u300c<em>downloadrunxm<\/em>\u300d\u51fd\u5f0f\u3002\u6b64\u51fd\u5f0f\u7684\u529f\u80fd\u662f\u53bb\u4e0b\u8f09\u53e6\u4e00\u500b\u865b\u64ec\u52a0\u5bc6\u8ca8\u5e63\u6316\u7926\u7a0b\u5f0f (<a href=\"https:\/\/www.trendmicro.com\/vinfo\/us\/threat-encyclopedia\/malware\/Coinminer.Linux.KORKERDS.AA\">Coinminer.Linux.KORKERDS.AA<\/a>) \u4ee5\u514d\u842c\u4e00\u300c<em>downloadrun<\/em>\u300d\u51fd\u5f0f\u6240\u4e0b\u8f09\u7684\u60e1\u610f\u7a0b\u5f0f\u7121\u6cd5\u9806\u5229\u57f7\u884c\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"\" src=\"https:\/\/documents.trendmicro.com\/images\/TEx\/articles\/linux-miner-rootkit-5.png\" width=\"819\" height=\"196\" \/><\/p>\n<p><em>\u5716 5\uff1a\u60e1\u610f\u7a0b\u5f0f\u7684\u300ctop\u300d\u51fd\u5f0f\u3002<\/em><\/p>\n<h3>\u5b89\u88dd Rootkit \u5143\u4ef6<\/h3>\n<p>\u6b64\u60e1\u610f\u7a0b\u5f0f\u7684\u65b0\u7248\u672c\u589e\u52a0\u4e86\u4e00\u500b\u300c<em>top<\/em>\u300d\u51fd\u5f0f\uff0c\u7528\u4f86\u4e0b\u8f09\u4e26\u5b89\u88dd Rootkit \u5143\u4ef6\u3002\u5b83\u9996\u5148\u6703\u6aa2\u67e5\u7cfb\u7d71\u4e0a\u662f\u5426\u5df2\u7d93\u5b89\u88dd\u4e86\u4e00\u4efd Rootkit\u3002\u5982\u679c\u6c92\u6709\uff0c\u5c31\u4e0b\u8f09\u4e26\u5b89\u88dd\u5176 Rootkit\uff0c\u4e0b\u8f09\u5f8c\u6703\u5132\u5b58\u6210\u300c<em>\/usr\/local\/lib\/libdns.so<\/em>\u300d\u3002<\/p>\n<p>\u4e00\u822c\u4f86\u8aaa\uff0c\u7cfb\u7d71\u7ba1\u7406\u54e1\u53ea\u8981\u4f7f\u7528\u8655\u7406\u7a0b\u5e8f\u76e3\u63a7\u7a0b\u5f0f\uff0c\u5c31\u53ef\u4ee5\u770b\u5230\u7cfb\u7d71\u4e0a\u662f\u5426\u6709\u865b\u64ec\u52a0\u5bc6\u8ca8\u5e63\u6316\u7926\u7a0b\u5f0f\u6b63\u5728\u57f7\u884c\u3002\u5716 6 \u986f\u793a\u300chtop\u300d\u7a0b\u5f0f (\u4e00\u500b Unix \u7cfb\u7d71\u4e0a\u7684\u57f7\u884c\u7a0b\u5e8f\u6aa2\u8996\/\u76e3\u63a7\u5de5\u5177) \u5075\u6e2c\u5230\u300c<em>\/tmp\/kworkerds<\/em>\u300d\u6b63\u5728\u6d88\u8017\u5927\u91cf\u7684\u7cfb\u7d71\u8cc7\u6e90\u3002\u5982\u5716 6 \u7684\u4e0b\u5716\u6240\u793a\uff0cRootkit \u5c07\u6d88\u8017\u5927\u91cf CPU \u8cc7\u6e90\u7684\u6316\u7926\u7a0b\u5f0f\u96b1\u85cf\u8d77\u4f86\uff0c\u6b64\u6642\u7cfb\u7d71 CPU \u6d88\u8017\u91cf\u4f9d\u7136\u7dad\u6301\u5728\u6700\u9ad8\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"\" src=\"https:\/\/documents.trendmicro.com\/images\/TEx\/articles\/linux-miner-rootkit-6-1.png\" width=\"715\" height=\"402\" \/><\/p>\n<p><em>\u5716 6: htop \u5de5\u5177\u53ef\u770b\u5230\u6316\u7926\u7a0b\u5f0f\u300c\/tmp\/kworkerds\u300d (\u4e0a) \u6b63\u5728\u6d88\u8017\u5927\u91cf CPU \u8cc7\u6e90 (100%)\uff0c\u4f46\u7576 Rootkit \u5b89\u88dd\u5b8c\u6210\u4e4b\u5f8c\uff0c\u8a72\u57f7\u884c\u7a0b\u5e8f\u5c31\u6d88\u5931\u4e86 (\u4e0b)\u3002<\/em><\/p>\n<p>&nbsp;<\/p>\n<p>\u9019\u500b\u865b\u64ec\u52a0\u5bc6\u8ca8\u5e63\u6316\u7926\u60e1\u610f\u7a0b\u5f0f\u7684 Rootkit \u5143\u4ef6\u5176\u5be6\u662f\u5f9e\u7db2\u8def\u4e0a\u53ef\u516c\u958b\u53d6\u5f97\u7684\u7a0b\u5f0f\u78bc\u4fee\u6539\u800c\u4f86\u3002\u5728 Rootkit \u5b89\u88dd\u4e4b\u5f8c\uff0c\u57f7\u884c\u7a0b\u5e8f\u76e3\u63a7\u5de5\u5177\u5c07\u770b\u4e0d\u5230\u6240\u6709\u540d\u70ba\u300c<em>kworkerds<\/em>\u300d\u7684\u57f7\u884c\u7a0b\u5e8f\u3002\u57f7\u884c\u7a0b\u5e8f\u76e3\u63a7\u5de5\u5177\u7684\u904b\u4f5c\u65b9\u5f0f\u901a\u5e38\u90fd\u662f\u8b80\u53d6\u300c<em>\/proc\/{PID}<\/em>\u300d\u76ee\u9304\u4e0b\u7684\u6a94\u6848\u3002\u6240\u4ee5\u53ea\u8981\u8b93\u67d0\u500b\u57f7\u884c\u7a0b\u5e8f\u7684\u300c<em>\/proc\/{PID}<\/em>\u300d\u76ee\u9304\u7121\u6cd5\u8b80\u53d6\uff0c\u4f7f\u7528\u8005\u5c31\u7121\u6cd5\u900f\u904e\u6b63\u5e38\u624b\u6bb5\u5075\u6e2c\u5230\u8a72\u57f7\u884c\u7a0b\u5e8f\u7684\u5b58\u5728\u3002<\/p>\n<p>\u70ba\u4e86\u9054\u6210\u9019\u9805\u76ee\u7684\uff0cRootkit \u52fe\u639b\u4e86\u300c<em>libc <\/em>\u300d\u7a0b\u5f0f\u5eab\u7576\u4e2d\u7684\u300c<em>readdir<\/em>\u300d\u548c\u300c<em>readdir64<\/em>\u300d\u5169\u500bAPI\u3002\u9019\u4e9b API \u901a\u5e38\u662f\u57f7\u884c\u7a0b\u5e8f\u76e3\u63a7\u5de5\u5177\u7528\u4f86\u8b80\u53d6\u8cc7\u8a0a\u7684\u4ecb\u9762\u3002\u900f\u904e\u9810\u8f09 (\u5c07\u6a94\u6848\u5132\u5b58\u5728\u8a18\u61b6\u9ad4\u5167) \u7684\u65b9\u5f0f\uff0cRootkit \u5c31\u53ef\u53d6\u4ee3\u539f\u672c\u7a0b\u5f0f\u5eab\u7684\u51fd\u5f0f\uff0c\u5c07\u539f\u672c\u7684\u300creaddir\u300d\u63db\u6210 Rootkit \u81ea\u5df1\u7684\u7248\u672c (\u5716 7)\u3002\u4e00\u65e6 API \u52fe\u639b\u5b8c\u6210\uff0c\u76e3\u63a7\u5de5\u5177\u5c31\u770b\u4e0d\u5230\u540d\u70ba\u300ckworkerds\u300d\u7684\u57f7\u884c\u7a0b\u5e8f\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/documents.trendmicro.com\/images\/TEx\/articles\/linux-miner-rootkit-7.png\" \/><\/p>\n<p><em>\u5716 7\uff1aRootkit \u5c07\u865b\u64ec\u52a0\u5bc6\u8ca8\u5e63\u6316\u7926\u60e1\u610f\u7a0b\u5f0f\u7684\u57f7\u884c\u7a0b\u5e8f\u96b1\u85cf\u8d77\u4f86\u8b93\u76e3\u63a7\u5de5\u5177\u7121\u6cd5\u770b\u5230\u3002<\/em><\/p>\n<p>&nbsp;<\/p>\n<h3>\u6700\u4f73\u5be6\u52d9\u539f\u5247\u8207\u8da8\u52e2\u79d1\u6280\u89e3\u6c7a\u65b9\u6848<\/h3>\n<p>\u5118\u7ba1 Rootkit \u7121\u6cd5\u96b1\u85cf CPU \u7528\u91cf\u8cc7\u8a0a\u4ee5\u53ca\u865b\u64ec\u52a0\u5bc6\u8ca8\u5e63\u6316\u7926\u7a0b\u5f0f\u6240\u5efa\u7acb\u7684\u9023\u7dda\uff0c\u4f46\u9019\u5df2\u7d93\u80fd\u8b93\u5b83\u8b8a\u5f97\u66f4\u52a0\u96b1\u533f\uff0c\u800c\u4e14\u6b79\u5f92\u53ea\u9700\u62ff\u539f\u672c\u65e2\u6709\u7684\u7a0b\u5f0f\u78bc\u6216\u5de5\u5177\u518d\u4fee\u6539\u5e7e\u884c\u7a0b\u5f0f\u5c31\u53ef\u9054\u6210\u3002\u518d\u52a0\u4e0a\u60e1\u610f\u7a0b\u5f0f\u672c\u8eab\u5177\u5099\u81ea\u6211\u66f4\u65b0\u80fd\u529b\uff0c\u6211\u5011\u9810\u6599\u6b79\u5f92\u672a\u4f86\u9084\u6703\u589e\u52a0\u5176\u4ed6\u65b0\u7684\u529f\u80fd\uff0c\u4f86\u63d0\u5347\u60e1\u610f\u7a0b\u5f0f\u7684\u7528\u9014\u3002<\/p>\n<p>\u865b\u64ec\u52a0\u5bc6\u8ca8\u5e63\u6316\u7926\u60e1\u610f\u7a0b\u5f0f\u5c0d\u7cfb\u7d71\u6548\u80fd\u7684\u5f71\u97ff\u76f8\u7576\u5de8\u5927\uff0c\u5c24\u5176\u5c0d Linux \u7cfb\u7d71\uff0c\u56e0\u70ba\u9019\u985e\u7cfb\u7d71\u901a\u5e38\u7528\u4f86\u57f7\u884c\u4f01\u696d\u6d41\u7a0b\uff0c\u5305\u62ec\u4f3a\u670d\u5668\u3001\u5de5\u4f5c\u7ad9\u3001\u61c9\u7528\u7a0b\u5f0f\u958b\u767c\u67b6\u69cb\u3001\u8cc7\u6599\u5eab\u4ee5\u53ca\u884c\u52d5\u88dd\u7f6e\u3002IT \u7cfb\u7d71\u7ba1\u7406\u54e1\u61c9\u8a72\u990a\u6210\u826f\u597d\u7684\u8cc7\u5b89\u7fd2\u6163\uff0c\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li>\u8cab\u5fb9\u6700\u4f4e\u6388\u6b0a\u539f\u5247\uff0c\u505c\u7528\u3001\u79fb\u9664\u3001\u6216\u76e1\u91cf\u6e1b\u5c11\u672a\u7d93\u9a57\u8b49\u7684\u7a0b\u5f0f\u5eab\u3002<\/li>\n<li>\u5f37\u5316\u7cfb\u7d71\u5b89\u5168\uff0c\u4f7f\u7528\u901a\u904e\u9a57\u8b49\u7684\u5b89\u5168\u5ef6\u4f38\u529f\u80fd\u4f86\u5354\u52a9\u89e3\u6c7a\u7d44\u614b\u8a2d\u5b9a\u932f\u8aa4\u4e4b\u985e\u7684\u554f\u984c\u3002<\/li>\n<li>\u7e2e\u5c0f\u7cfb\u7d71\u7684\u53d7\u653b\u64ca\u9762\uff0c\u85c9\u7531\u5b58\u53d6\u63a7\u7ba1\u653f\u7b56\u4f86\u7ba1\u7406\u6a94\u6848\u8207\u7cfb\u7d71\u6216\u662f\u7db2\u8def\u8cc7\u6e90\u7684\u5b58\u53d6\uff0c\u4e26\u4e14\u5b9a\u671f\u76e3\u63a7\u7cfb\u7d71\u8207\u7db2\u8def\u662f\u5426\u6709\u7570\u5e38\u6d3b\u52d5\u3002<\/li>\n<li>\u5b9a\u671f\u4fee\u88dc\u7cfb\u7d71\u4f86\u907f\u514d\u6f0f\u6d1e\u906d\u5230\u653b\u64ca\uff0c\u4f7f\u7528\u6700\u65b0\u7248\u672c\u7684\u4f3a\u670d\u5668\u61c9\u7528\u7a0b\u5f0f\u4f86\u6e1b\u5c11\u906d\u99ed\u5ba2\u5165\u4fb5\u7684\u98a8\u96aa\uff0c\u6b64\u5916\u4e5f\u53ef\u63a1\u7528\u4e00\u4e9b\u5b89\u5168\u63aa\u65bd\uff0c\u4f8b\u5982\u5165\u4fb5\u9632\u8b77\u7cfb\u7d71\u3002<\/li>\n<\/ul>\n<p>\u9664\u6b64\u4e4b\u5916\uff0c\u4f7f\u7528\u8005\u548c\u4f01\u696d\u4e5f\u53ef\u8003\u616e\u63a1\u7528\u4e00\u4e9b\u8cc7\u5b89\u89e3\u6c7a\u65b9\u6848\uff0c\u8b93\u8de8\u4e16\u4ee3\u878d\u5408\u7684\u9632\u79a6\u6280\u5de7\u5354\u52a9\u60a8\u9632\u7bc4\u865b\u64ec\u52a0\u5bc6\u8ca8\u5e63\u6316\u7926\u60e1\u610f\u7a0b\u5f0f\u3002\u8da8\u52e2\u79d1\u6280<a href=\"https:\/\/www.trendmicro.tw\/business\/xgen-security.html\">XGen&#x2122; \u9632\u8b77<\/a>\u63d0\u4f9b\u4e86\u9ad8\u6e96\u5ea6\u6a5f\u5668\u5b78\u7fd2\u4f86\u4fdd\u8b77<a href=\"https:\/\/www.trendmicro.tw\/tw\/business\/complete-software-protection\/index.html\">\u9598\u9053<\/a>\u00a0\u548c<a href=\"https:\/\/www.trendmicro.tw\/tw\/business\/complete-software-protection\/index.html\">\u7aef\u9ede<\/a>\uff0c\u6db5\u84cb\u5be6\u9ad4\u3001\u865b\u64ec\u4ee5\u53ca\u96f2\u7aef\u5de5\u4f5c\u8ca0\u8f09\u3002XGen \u9632\u8b77\u5229\u7528\u7db2\u7ad9\/\u7db2\u5740\u904e\u6ffe\u3001\u884c\u70ba\u5206\u6790\u3001\u5ba2\u88fd\u5316\u6c99\u76d2\u6a21\u64ec\u5206\u6790\u7b49\u6280\u8853\u4f86\u9632\u7bc4\u96a8\u6642\u6f14\u8b8a\u4e14\u80fd\u8eb2\u907f\u50b3\u7d71\u8cc7\u5b89\u63a7\u7ba1\u4e26\u653b\u64ca\u5df2\u77e5\u53ca\u672a\u77e5\u6f0f\u6d1e\u7684\u5a01\u8105\u3002\u6b64\u5916\uff0cXGen&#x2122; \u9632\u8b77\u540c\u6642\u4e5f\u662f\u8da8\u52e2\u79d1\u6280 <a href=\"https:\/\/www.trendmicro.tw\/tw\/business\/cloud-data\/index.html\">Hybrid Cloud Security<\/a> \u6df7\u5408\u96f2\u9632\u8b77\u3001<a href=\"https:\/\/www.trendmicro.com\/zh_tw\/business\/products\/user-protection.html\">User Protection \u4f7f\u7528\u8005\u9632\u8b77<\/a>\u4ee5\u53ca <a href=\"https:\/\/www.trendmicro.com\/zh_tw\/business\/products\/network.html\">Network Defense \u7db2\u8def\u9632\u79a6<\/a>\u7b49\u89e3\u6c7a\u65b9\u6848\u7684\u6280\u8853\u57fa\u790e\u3002<\/p>\n<h3><em><strong>\u5165\u4fb5\u6307\u6a19 (IoC)\uff1a<\/strong><\/em><\/h3>\n<p><em>\u76f8\u95dc\u96dc\u6e4a\u78bc (SHA-256)\uff1a<\/em><\/p>\n<ul>\n<li>cdd921a5de5d5fffc51f8c9140afa9d23f3736e591fce3f2a1b959d02ab4275e (<a href=\"https:\/\/www.trendmicro.com\/vinfo\/us\/threat-encyclopedia\/malware\/Trojan.Linux.DLOADER.THAOOAAK\">Linux.DLOADER.THAOOAAK<\/a>)<\/li>\n<li>baf93d22c9d1ae6954942704928aeeacbf55f22c800501abcdbacfbb3b2ddedf (<a href=\"https:\/\/www.trendmicro.com\/vinfo\/us\/threat-encyclopedia\/malware\/Coinminer.Linux.KORKERDS.AB\">Linux.KORKERDS.AB<\/a>)<\/li>\n<li>0179fd8449095ac2968d50c23d37f11498cc7b5b66b94c03b7671109f78e5772 (<a href=\"https:\/\/www.trendmicro.com\/vinfo\/us\/threat-encyclopedia\/malware\/Coinminer.Linux.KORKERDS.AA\">Linux.KORKERDS.AA<\/a>)<\/li>\n<li>023c1094fb0e46d13e4b1f81f1b80354daa0762640cb73b5fdf5d35fcc697960 (<a href=\"https:\/\/www.trendmicro.com\/vinfo\/us\/threat-encyclopedia\/malware\/Rootkit.Linux.KORKERDS.AA\">Linux.KORKERDS.AA<\/a>)<\/li>\n<\/ul>\n<p><em>\u76f8\u95dc\u60e1\u610f\u7db2\u5740\uff1a<\/em><\/p>\n<ul>\n<li>hxxps:\/\/monero[.]minerxmr[.]ru\/1\/1535595427x-1404817712[.]jpg<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>\u25ce\u539f\u6587\u4f86\u6e90:\u00a0<a href=\"https:\/\/www.trendmicro.com\/vinfo\/us\/security\/news\/cybercrime-and-digital-threats\/cryptocurrency-mining-malware-targets-linux-systems-uses-rootkit-for-stealth\">Cryptocurrency-mining Malware Targets Linux Systems, Uses Rootkit for Stealth<\/a> \u4f5c\u8005\uff1aAugusto II Remillano\u3001Kiyoshi Obuchi \u8207 Arvin Roi Macaraeg<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u96a8\u8457\u865b\u64ec\u52a0\u5bc6\u8ca8\u5e63\u8d8a\u4f86\u8d8a\u71b1\u9580\uff0c\u7db2\u8def\u72af\u7f6a\u96c6\u5718\u4e0d\u610f\u5916\u5730\u6b63\u7a4d\u6975\u958b\u767c\u3001\u5fae\u8abf\u5404\u7a2e\u865b\u64ec\u52a0\u5bc6\u8ca8\u5e63\u6316\u7926\u60e1\u610f\u7a0b\u5f0f\u3002\u4e8b\u5be6\u4e0a\uff0c\u9019\u985e\u5a01\u8105 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_wpscppro_dont_share_socialmedia":false,"_wpscppro_custom_social_share_image":0,"_facebook_share_type":"","_twitter_share_type":"","_linkedin_share_type":"","_pinterest_share_type":"","_linkedin_share_type_page":"","_instagram_share_type":"","_medium_share_type":"","_threads_share_type":"","_google_business_share_type":"","_selected_social_profile":[],"_wpsp_enable_custom_social_template":false,"_wpsp_social_scheduling":{"enabled":false,"datetime":null,"platforms":[],"status":"template_only","dateOption":"today","timeOption":"now","customDays":"","customHours":"","customDate":"","customTime":"","schedulingType":"absolute"},"_wpsp_active_default_template":true},"categories":[3603,3647],"tags":[2860,4095,3575,3918,3723],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/blog.trendmicro.com.tw\/index.php?rest_route=\/wp\/v2\/posts\/57986"}],"collection":[{"href":"https:\/\/blog.trendmicro.com.tw\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.trendmicro.com.tw\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.trendmicro.com.tw\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.trendmicro.com.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=57986"}],"version-history":[{"count":0,"href":"https:\/\/blog.trendmicro.com.tw\/index.php?rest_route=\/wp\/v2\/posts\/57986\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.trendmicro.com.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=57986"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.trendmicro.com.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=57986"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.trendmicro.com.tw\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=57986"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}