{"id":964,"date":"2021-03-11T13:35:05","date_gmt":"2021-03-11T05:35:05","guid":{"rendered":"https:\/\/blog.billows.com.tw\/?p=964"},"modified":"2021-03-11T13:35:05","modified_gmt":"2021-03-11T05:35:05","slug":"%e7%a0%94%e7%a9%b6%e4%ba%ba%e5%93%a1%e6%8f%ad%e9%9c%b2%e8%88%87%e4%b8%ad%e5%9c%8b%e5%9c%8b%e5%ae%b6%e7%b4%9a%e9%a7%ad%e5%ae%a2%e6%9c%89%e9%97%9c%e7%9a%84%e6%96%b0%e5%9e%8blinux%e6%83%a1%e6%84%8f","status":"publish","type":"post","link":"https:\/\/blog.billows.com.tw\/?p=964","title":{"rendered":"\u7814\u7a76\u4eba\u54e1\u63ed\u9732\u8207\u4e2d\u570b\u570b\u5bb6\u7d1a\u99ed\u5ba2\u6709\u95dc\u7684\u65b0\u578bLinux\u60e1\u610f\u5f8c\u9580\u201c RedXOR \u201d\uff0c\u767c\u73fe\u53f0\u7063\u548c\u5370\u5c3c\u5df2\u6709\u60e1\u610f\u8edf\u9ad4\u6a23\u672c\u4e0a\u50b3\u81f3VirusTotal\u3002"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"651\" height=\"251\" src=\"https:\/\/blog.billows.com.tw\/wp-content\/uploads\/2021\/03\/Virustotal.png\" alt=\"\" class=\"wp-image-965\" srcset=\"https:\/\/blog.billows.com.tw\/wp-content\/uploads\/2021\/03\/Virustotal.png 651w, https:\/\/blog.billows.com.tw\/wp-content\/uploads\/2021\/03\/Virustotal-300x116.png 300w\" sizes=\"auto, (max-width: 651px) 100vw, 651px\" \/><figcaption>\u53f0\u7063\u548c\u5370\u5c3c\u4e0a\u50b3\u5230VirusTotal\u7684\u60e1\u610f\u8edf\u9ad4\u6a23\u672c<\/figcaption><\/figure>\n\n\n\n<p>\u8cc7\u5b89\u516c\u53f8Intezer\u7684\u7814\u7a76\u4eba\u54e1\u767c\u73fe\u4e86\u4e00\u7a2e\u91dd\u5c0dLinux\u7aef\u9ede\u548c\u4f3a\u670d\u5668\u7684\u65b0\u578b\u8907\u96dc\u5f8c\u9580\u7a0b\u5f0f\u3002\u5f8c\u9580\u88abIntezer\u7a31\u70ba\u201c RedXOR \u201d\uff0cRedXOR\u6703\u507d\u88dd\u6210polkit daemon\uff0c\u767c\u73fe\u8207\u4e2d\u570bAPT\u99ed\u5ba2Winnti Group\u4f7f\u7528\u7684PWNLNX\uff0cXOR.DDOS\u548cGroundhog\u7b49\u60e1\u610f\u8edf\u9ad4\u6709\u76f8\u4f3c\u3002<\/p>\n\n\n\n<p>RedXOR\u7684\u6e90\u7531\uff1a\u7531\u65bcRedXOR\u4f7f\u7528\u57fa\u65bcXOR\u7684\u6280\u8853\u5c0d\u7db2\u8def\u6578\u64da\u9032\u884c\u7de8\u78bc\uff0c\u4e26\u4e14\u5728\u820a\u7248\u7684Red Hat Enterprise Linux\u4e0a\u4f7f\u7528\u820a\u7248GCC\u7de8\u8b6f\u5668\u9032\u884c\u7684\u7de8\u78bc\uff0c\u9019\u8868\u660e\u8a72\u60e1\u610f\u8edf\u9ad4\u662f\u91dd\u5c0d\u820a\u7248Linux\u7684\u91dd\u5c0d\u6027\u653b\u64ca\u800c\u90e8\u7f72\u7684\u7cfb\u7d71\uff0c\u5728\u7cfb\u7d71\u4e2d\u5efa\u7acb\u5f8c\u9580\u5f8c\uff0c\u4f7f\u653b\u64ca\u8005\u53ef\u4ee5\u5b8c\u5168\u63a7\u5236\u53d7\u611f\u67d3\u7684\u96fb\u8166\u3002\u5728\u90e8\u7f72\u6210\u529f\u5f8c\uff0cRedXOR\u5141\u8a31\u653b\u64ca\u8005\u700f\u89bd\u6a94\u6848\uff0c\u4e0a\u50b3\u548c\u4e0b\u8f09\u6a94\u6848\uff0c\u7aca\u53d6\u6578\u64da\uff0c\u90e8\u7f72Web Shell\u6216\u5c07\u7db2\u8def\u6d41\u91cf\u9023\u7dda\u50b3\u8f38\u5230\u53e6\u4e00\u500b\u76ee\u7684\u5730\u3002<\/p>\n\n\n\n<p>RedXOR\u9664\u4e86\u5728\u6574\u9ad4\u6d41\u7a0b\u548c\u529f\u80fd\u548cPWNLNX\u4e4b\u9593\u4f7f\u7528XOR\u7de8\u78bc\u91cd\u758a\u4e4b\u5916\uff0c\u5f8c\u9580\u9084\u63a1\u7528\u4e86\u672a\u525d\u96e2\u768464\u4f4dELF\u6a94\u6848\uff08\u201c po1kitd-update-k\u201d\uff09\u7684\u5f62\u5f0f\uff0c\u4e26\u5e36\u6709\u932f\u5225\u5b57\u540d\u7a31\uff08\u201c po1kitd\u201d\u8207\u201c polkitd\u201d\uff09\uff0c\u5728\u57f7\u884c\u4e4b\u524d\uff0c\u6703\u5148\u5efa\u7acb\u4e00\u500b\u96b1\u85cf\u76ee\u9304\u4f86\u5b58\u5132\u8207\u60e1\u610f\u8edf\u9ad4\u6709\u95dc\u7684\u6a94\u6848\uff0c\u751a\u81f3\u5c07\u5176\u81ea\u8eab\u5b89\u88dd\u5230\u6a5f\u5668\u4e0a\u3002Polkit\u662f\u7528\u65bc\u5b9a\u7fa9\u548c\u8655\u7406\u6388\u6b0a\u7684\u5de5\u5177\u5305\uff0c\u5141\u8a31\u975e\u7279\u6b0a\u9032\u7a0b\u8207\u7279\u6b0a\u9032\u7a0b\u9032\u884c\u901a\u4fe1\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"728\" height=\"522\" src=\"https:\/\/blog.billows.com.tw\/wp-content\/uploads\/2021\/03\/hacking.jpg\" alt=\"\" class=\"wp-image-966\" srcset=\"https:\/\/blog.billows.com.tw\/wp-content\/uploads\/2021\/03\/hacking.jpg 728w, https:\/\/blog.billows.com.tw\/wp-content\/uploads\/2021\/03\/hacking-300x215.jpg 300w\" sizes=\"auto, (max-width: 728px) 100vw, 728px\" \/><figcaption>\u6e96\u5099\u8981\u767c\u9001\u5230C2\u4f3a\u670d\u5668\u7684\u6578\u64da\u7684\u529f\u80fd<\/figcaption><\/figure>\n\n\n\n<p>\u6b64\u5916\uff0c\u8a72\u60e1\u610f\u8edf\u9ad4\u5e36\u6709\u52a0\u5bc6\u7684\u914d\u7f6e\uff0c\u5176\u4e2d\u5305\u542b\u901a\u904eTCP Socket\u9023\u7dda\uff0cC&amp; C\uff0cIP address \u548c\u7aef\u53e3\u4ee5\u53ca\u5411C2\u4f3a\u670d\u5668\u9032\u884c\u8eab\u4efd\u9a57\u8b49\u6240\u9700\u7684\u5bc6\u78bc\u3002\u901a\u4fe1\u4e0d\u50c5\u88ab\u507d\u88dd\u6210\u7121\u5bb3\u7684HTTP\u6d41\u91cf\uff0c\u800c\u4e14\u9084\u4f7f\u7528XOR\u52a0\u5bc6\u6280\u8853\u5c0d\u5169\u7a2e\u901a\u4fe1\u9032\u884c\u4e86\u7de8\u78bc\u3002<\/p>\n\n\n\n<p>RedXOR\u652f\u63f4\u591a\u7a2e\u529f\u80fd\uff0c\u5305\u62ec\u6536\u96c6\u7cfb\u7d71\u8cc7\u6599\uff08MAC address\uff0c\u7528\u6236\u540d\uff0cdistribution\uff0cclock speed\uff0ckernel\u7248\u672c\u7b49\uff09\uff0c\u57f7\u884c\u6a94\u6848\u64cd\u4f5c\uff0c\u4ee5\u7cfb\u7d71\u7279\u6b0a\u57f7\u884c\u547d\u4ee4\uff0c\u904b\u884c\u4efb\u610f\u7684Shell\u547d\u4ee4\uff0c\u751a\u81f3\u662f\u9060\u7aef\u66f4\u65b0\u60e1\u610f\u8edf\u9ad4\u3002<\/p>\n\n\n\n<p>\u53d7RedXOR\u653b\u64ca\u7684\u7528\u6236\u53ef\u901a\u904e\u7d42\u6b62\u9032\u7a0b\u4e26\u522a\u9664\u8207\u8a72\u60e1\u610f\u8edf\u9ad4\u6709\u95dc\u7684\u6240\u6709\u6a94\u6848\u4f86\u63a1\u53d6\u4fdd\u8b77\u63aa\u65bd\u3002<\/p>\n\n\n\n<p>\u91dd\u5c0dLinux\u7cfb\u7d71\u7684\u653b\u64ca\u6d3b\u52d5\u8d8a\u4f86\u8d8a\u591a\uff0c\u90e8\u5206\u539f\u56e0\u662fIoT\u8a2d\u5099\uff0cWeb\u4f3a\u670d\u5668\u548c\u96f2\u7aef\u4f3a\u670d\u5668\u5ee3\u6cdb\u63a1\u7528Linux\u64cd\u4f5c\u7cfb\u7d71\uff0c\u5c0e\u81f4\u653b\u64ca\u8005\u5c07\u5176\u73fe\u6709Windows\u5de5\u5177\u79fb\u5230Linux\u6216\u65b0\u958b\u767c\u652f\u63f4\u5169\u500b\u5e73\u53f0\u7684\u5de5\u5177\u3002Intezer\u548cIBM X-Force\u7684\u806f\u5408\u7814\u7a76\u767c\u73fe\u4e8656\u500bLinux\u60e1\u610f\u8edf\u9ad4\u5bb6\u65cf\uff0c\u6bd42019\u5e74\u589e\u9577\u4e8640\uff05\uff0c\u81ea2010\u5e74\u4ee5\u4f86\u589e\u9577\u4e86500\uff05\u3002<\/p>\n\n\n\n<p>Intezer\u8868\u793a\uff0c\u57282\u670823\u65e5\u81f324\u65e5\u5728VirusTotal\u767c\u73fe\u7531\u53f0\u7063\u548c\u5370\u5c3c\u4e0a\u50b3\u7684\u5169\u500b\u60e1\u610f\u8edf\u9ad4\u6a23\u672c\uff0c\u53f0\u7063\u548c\u5370\u5c3c\u7d93\u5e38\u53d7\u5230\u4e2d\u570bAPT\u99ed\u5ba2\u7684\u653b\u64ca\u3002\u7814\u7a76\u4eba\u54e1\u8a8d\u70ba\uff0c\u8207\u4e2d\u570b\u653f\u5e9c\u6709\u806f\u7e6b\u7684\u99ed\u5ba2\u7d44\u7e54\u6b63\u5728\u4f7f\u7528RedXOR\u3002\u5b83\u8207Winnti Group\u4e5f\u7a31APT 41\u4ee5\u524d\u4f7f\u7528\u7684\u60e1\u610f\u8edf\u9ad4\u548c\u6bad\u5c4d\u7db2\u8def\u5177\u6709\u95dc\u9375\u6027\u76f8\u4f3c\u4e4b\u8655\u3002<\/p>\n\n\n\n<p>RedXOR\u7684\u76f8\u95dc\u60c5\u8cc7:<\/p>\n\n\n\n<p><a href=\"https:\/\/otx.alienvault.com\/pulse\/604932f1d2f513a98e267929\">https:\/\/otx.alienvault.com\/pulse\/604932f1d2f513a98e267929<\/a><\/p>\n\n\n\n<p>Source: <a href=\"https:\/\/www.intezer.com\/blog\/malware-analysis\/new-linux-backdoor-redxor-likely-operated-by-chinese-nation-state-actor\/\">https:\/\/www.intezer.com\/blog\/malware-analysis\/new-linux-backdoor-redxor-likely-operated-by-chinese-nation-state-actor\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8cc7\u5b89\u516c\u53f8Intezer\u7684\u7814\u7a76\u4eba\u54e1\u767c\u73fe\u4e86\u4e00\u7a2e\u91dd\u5c0dLinux\u7aef\u9ede\u548c\u4f3a\u670d\u5668\u7684\u65b0\u578b\u8907\u96dc\u5f8c\u9580\u7a0b\u5f0f\u3002\u5f8c\u9580\u88abIntezer\u7a31 <a class=\"read-more\" href=\"https:\/\/blog.billows.com.tw\/?p=964\">READ MORE<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[159,112],"class_list":["post-964","post","type-post","status-publish","format-standard","hentry","category-6","tag-redxor","tag-112"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/blog.billows.com.tw\/index.php?rest_route=\/wp\/v2\/posts\/964","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.billows.com.tw\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.billows.com.tw\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.billows.com.tw\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.billows.com.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=964"}],"version-history":[{"count":1,"href":"https:\/\/blog.billows.com.tw\/index.php?rest_route=\/wp\/v2\/posts\/964\/revisions"}],"predecessor-version":[{"id":967,"href":"https:\/\/blog.billows.com.tw\/index.php?rest_route=\/wp\/v2\/posts\/964\/revisions\/967"}],"wp:attachment":[{"href":"https:\/\/blog.billows.com.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=964"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.billows.com.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=964"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.billows.com.tw\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=964"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}