{"id":1575,"date":"2021-12-23T12:13:40","date_gmt":"2021-12-23T04:13:40","guid":{"rendered":"https:\/\/blog.billows.com.tw\/?p=1575"},"modified":"2021-12-23T14:01:19","modified_gmt":"2021-12-23T06:01:19","slug":"%e7%be%8e%e5%9c%8bcisa%e7%99%bc%e5%b8%83log4j-scanner%e6%8e%83%e6%8f%8f%e5%b7%a5%e5%85%b7%e4%bb%a5%e8%ad%98%e5%88%a5%e5%8f%97-apache-log4j%e6%bc%8f%e6%b4%9e%e5%bd%b1%e9%9f%bf%e7%9a%84web%e6%9c%8d","status":"publish","type":"post","link":"https:\/\/blog.billows.com.tw\/?p=1575","title":{"rendered":"\u7f8e\u570bCISA\u767c\u5e03&#8221;Log4j-Scanner&#8221;\u6383\u63cf\u5de5\u5177\u4ee5\u8b58\u5225\u53d7 Apache Log4j\u6f0f\u6d1e\u5f71\u97ff\u7684Web\u670d\u52d9;\u7f8e\u570bCISA\u3001FBI\u3001\u570b\u5b89\u5c40\u548c\u4e94\u773c\u806f\u76df\u540c\u6642\u767c\u5e03\u65e8\u5728\u6e1b\u7de9 Log4Shell\u653b\u64ca\u7684\u6307\u5357"},"content":{"rendered":"\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"865\" height=\"988\" src=\"https:\/\/blog.billows.com.tw\/wp-content\/uploads\/2021\/12\/image-13.png\" alt=\"\" class=\"wp-image-1576\" srcset=\"https:\/\/blog.billows.com.tw\/wp-content\/uploads\/2021\/12\/image-13.png 865w, https:\/\/blog.billows.com.tw\/wp-content\/uploads\/2021\/12\/image-13-263x300.png 263w, https:\/\/blog.billows.com.tw\/wp-content\/uploads\/2021\/12\/image-13-768x877.png 768w\" sizes=\"auto, (max-width: 865px) 100vw, 865px\" \/><\/figure>\n\n\n\n<p>\u7f8e\u570b\u7db2\u8def\u5b89\u5168\u53ca\u57fa\u790e\u8a2d\u65bd\u5b89\u5168\u5c40\uff08CISA\uff09\u767c\u5e03\u4e86\u4e00\u500b\u958b\u6e90\u7684<a href=\"https:\/\/github.com\/cisagov\/log4j-scanner\/tree\/master\/log4-scanner#features\">\u6383\u63cf\u5de5\u5177<\/a>(Scanner)\uff0c\u4f01\u696d\u53ef\u4ee5\u4f7f\u7528\u5b83\u4f86\u67e5\u627e\u6613\u53d7Log4j\u6f0f\u6d1eCVE-2021-44228 \u548c CVE-2021-45046 \u653b\u64ca\u7684Web \u670d\u52d9\uff0c\u540d\u70baLog4jScanner\u7684\u6383\u63cf\u5668\u5728Github\u5b58\u5132\u5eab\u4e0a\uff0c\u70balog4j \u9060\u7aef\u7a0b\u5f0f\u78bc\u57f7\u884c\u6f0f\u6d1e\uff08CVE-2021-44228 \u548c CVE-2021-45046\uff09\u63d0\u4f9b\u4e86\u6383\u63cf\u89e3\u6c7a\u65b9\u6848\uff0cLog4j-scanner\u662fCISA\u7684\u5feb\u901f\u884c\u52d5\u5c0f\u7d44\u548c\u958b\u6e90\u793e\u5340\u7684\u6210\u54e1\u884d\u751f\u51fa\u4f86\u7684\u4e00\u500b\u9805\u76ee\uff0c\u8a72\u5b58\u5132\u5eab\u4e2d\u7684\u8cc7\u8a0a\u548c\u7a0b\u5f0f\u78bc\u662f\u201c\u6309\u539f\u6a23\u201d\u63d0\u4f9b\u7684\u3002<\/p>\n\n\n\n<p>CISA \u5728log4j-scanner \u7684\u9805\u76ee\u9801\u9762\u4e0a\u5f37\u8abf\u4e86\u4ee5\u4e0b\u529f\u80fd\uff1a<\/p>\n\n\n\n<p>*\u652f\u63f4lists of URLs<\/p>\n\n\n\n<p>*\u5c0d 60 \u591a\u500b HTTP Request Headers\u9032\u884c\u6a21\u7cca\u6e2c\u8a66<\/p>\n\n\n\n<p>*\u5c0d HTTP POST \u6578\u64da\u53c3\u6578\u9032\u884c\u6a21\u7cca\u6e2c\u8a66<\/p>\n\n\n\n<p>*\u5c0d JSON \u6578\u64da\u53c3\u6578\u9032\u884c\u6a21\u7cca\u6e2c\u8a66<\/p>\n\n\n\n<p>*\u652f\u63f4\u7528\u65bc\u6f0f\u6d1e\u767c\u73fe\u548c\u9a57\u8b49\u7684 DNS callback<\/p>\n\n\n\n<p>*\u7e5e\u904eWAF\u7684\u6709\u6548\u8f09\u8377<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"865\" height=\"462\" src=\"https:\/\/blog.billows.com.tw\/wp-content\/uploads\/2021\/12\/image-14.png\" alt=\"\" class=\"wp-image-1577\" srcset=\"https:\/\/blog.billows.com.tw\/wp-content\/uploads\/2021\/12\/image-14.png 865w, https:\/\/blog.billows.com.tw\/wp-content\/uploads\/2021\/12\/image-14-300x160.png 300w, https:\/\/blog.billows.com.tw\/wp-content\/uploads\/2021\/12\/image-14-768x410.png 768w\" sizes=\"auto, (max-width: 865px) 100vw, 865px\" \/><\/figure>\n\n\n\n<p>\u540c\u6642\uff0c\u7db2\u8def\u5b89\u5168\u548c\u57fa\u790e\u8a2d\u65bd\u5b89\u5168\u5c40 (CISA)\u3001\u806f\u90a6\u8abf\u67e5\u5c40 (FBI)\u3001\u570b\u5bb6\u5b89\u5168\u5c40 (NSA)\u3001\u6fb3\u6d32\u7db2\u8def\u5b89\u5168\u4e2d\u5fc3 (ACSC)\u3001\u52a0\u62ff\u5927\u7db2\u8def\u5b89\u5168\u4e2d\u5fc3 (CCCS)\u3001\u65b0\u897f\u862d\u96fb\u8166\u5371\u6a5f\u8655\u7406\u61c9\u6025\u5c0f\u7d44(CERT NZ)\u3001\u65b0\u897f\u862d\u570b\u5bb6\u7db2\u8def\u5b89\u5168\u4e2d\u5fc3 (NZ NCSC) \u548c\u82f1\u570b\u570b\u5bb6\u7db2\u8def\u5b89\u5168\u4e2d\u5fc3 (NCSC-UK) \u767c\u5e03\u4e86<a href=\"https:\/\/www.cisa.gov\/uscert\/ncas\/alerts\/aa21-356a\">\u806f\u5408\u8aee\u8a62<\/a>\uff0c\u4ee5\u63d0\u4f9b\u6709\u95dc\u89e3\u6c7a CVE-2021-44228\u3001CVE-2021-45046 \u548c CVE-2021-45105 \u7684Log4j\u6f0f\u6d1e\u7de9\u89e3\u6307\u5357\u3002\u201cCISA \u4e3b\u4efbJen Easterly\u8072\u660e\u4e2d\u8aaa\uff0cLog4j \u6f0f\u6d1e\u5c0d\u4e16\u754c\u5404\u5730\u7684\u7d44\u7e54\u548c\u653f\u5e9c\u69cb\u6210\u4e86\u56b4\u91cd\u4e14\u6301\u7e8c\u7684\u5a01\u8105\uff1b\u6211\u5011\u61c7\u8acb\u6240\u6709\u5be6\u9ad4\u7acb\u5373\u63a1\u53d6\u884c\u52d5\uff0c\u5be6\u65bd\u6700\u65b0\u7684\u7de9\u89e3\u6307\u5357\uff0c\u4ee5\u4fdd\u8b77\u4ed6\u5011\u7684\u7db2\u8def\u3002\u201d<\/p>\n\n\n\n<p>\u64da\u4e86\u89e3\uff0c\u6307\u5357\u5074\u91cd\u65bc\u4fdd\u8b77\u9762\u5411 Internet \u7684\u8a2d\u5099\u548c\u7cfb\u7d71\u514d\u53d7\u8207 Log4Shell \u76f8\u95dc\u7684\u653b\u64ca\u3002\u7136\u800c\uff0c Java \u5728 IT \u548c OT \u7cfb\u7d71\u4e2d\u4e5f\u7121\u8655\u4e0d\u5728\uff0c\u672a\u5206\u6bb5\u7684\u7db2\u8def\u5b58\u5728\u5165\u4fb5\u8005\u5728\u7cfb\u7d71\u4e4b\u9593\u6a6b\u5411\u79fb\u52d5\u7684\u98a8\u96aa\u3002\u8a72\u8b66\u5831\u8b66\u544a\u7d44\u7e54\u5c07\u4efb\u4f55\u4f7f\u7528 Log4j \u7684\u7522\u54c1\u8996\u70ba\u53ef\u7591\u7522\u54c1\uff0c\u4e26\u4fdd\u7559\u8a73\u7d30\u7684\u4fee\u88dc\u8a18\u9304\u4ee5\u76e3\u63a7\u7570\u5e38\u884c\u70ba\u3002<\/p>\n\n\n\n<p>CISA\u3001\u4e94\u773c\u806f\u76df\u8a55\u4f30\u5c0d\u9019\u4e9b\u6f0f\u6d1e\u7684\u5229\u7528\uff0c\u5c24\u5176\u662f Log4Shell\uff0c\u53ef\u80fd\u6703\u6301\u7e8c\u589e\u52a0\u4e26<\/p>\n\n\n\n<p>\u7dad\u6301\u5f88\u9577\u4e00\u6bb5\u6642\u9593\uff0c\u5b83\u5011\u5f37\u70c8\u6566\u4fc3\u6240\u6709\u7d44\u7e54\u61c9\u7528\u9019\u4e9b\u5efa\u8b70\uff0c\u4ee5\u8b58\u5225\u3001\u6e1b\u8f15\u548c\u66f4\u65b0\u53d7\u5f71\u97ff\u7684\u8cc7\u7522\u3002<\/p>\n\n\n\n<p>Apache\u8edf\u9ad4\u57fa\u91d1\u6703\u91cb\u51faLog4j \u7684<a href=\"https:\/\/logging.apache.org\/log4j\/2.x\/download.html\">2.17\u7248<\/a>\u70ba\u76ee\u524d\u6700\u65b0\u7684\u4fee\u88dc\uff0c\u5efa\u8b70\u4f7f\u7528Log4j\u6846\u67b6\u8005\u7acb\u5373\u4e0b\u8f09\u66f4\u65b0\u3002<\/p>\n\n\n\n<p>\u6709\u95dcApache Log4j\u91cd\u5927\u7684\u6f0f\u6d1e Log4Shell\u7684\u66f4\u65b0\u7684\u5165\u4fb5\u6307\u6a19(Indicator of compromise -IOCs):<\/p>\n\n\n\n<p>Hostname:<\/p>\n\n\n\n<p>agent.apacheorg.xyz<\/p>\n\n\n\n<p>URLs:<\/p>\n\n\n\n<p>http:\/\/agent.apacheorg.xyz:1234\/v<\/p>\n\n\n\n<p>http:\/\/93.189.42.8\/kinsing<\/p>\n\n\n\n<p>http:\/\/92.242.40.21\/lh2.sh<\/p>\n\n\n\n<p>http:\/\/82.118.18.201\/kinsing<\/p>\n\n\n\n<p>http:\/\/45.137.155.55\/kinsing2<\/p>\n\n\n\n<p>http:\/\/45.137.155.55\/kinsing<\/p>\n\n\n\n<p>http:\/\/80.71.158.44\/kinsing<\/p>\n\n\n\n<p>http:\/\/198.98.60.67\/lh.sh<\/p>\n\n\n\n<p>http:\/\/185.250.148.157:8005\/index<\/p>\n\n\n\n<p>SHA 256:<\/p>\n\n\n\n<p>f2e3f685256e5f31b05fc9f9ca470f527d7fdae28fa3190c8eba179473e20789<\/p>\n\n\n\n<p>f059246cea87a886acb1938809cf4a1152247a5b5a2df0b1bf64c46a0daccbcc<\/p>\n\n\n\n<p>e9744244461056c64fc390591729c035f3a375bc8ecfa1a0c111defa055c1273<\/p>\n\n\n\n<p>e8b2a8d0c3444c53f143d0b4ba87c23dd1b58b03fd0a6b1bcd6e8358e57807f1<\/p>\n\n\n\n<p>e7c5b3de93a3184dc99c98c7f45e6ff5f6881b15d4a56c144e2e53e96dcc0e82<\/p>\n\n\n\n<p>bd5006ba4e4cfcf8a8b0b6da5bb30f4dd8a78beb351b814431ae8599dcf23f1b<\/p>\n\n\n\n<p>bcfdddb033fb1fa9c73e222919ecd4be071e87b0c54825af516b4f336bc47fa2<\/p>\n\n\n\n<p>95ac2e2cd2caf30829a9588988601067a98f9bb02e0776a8ef2b813f9b4d8992<\/p>\n\n\n\n<p>8933820cf2769f6e7f1a711e188f551c3d5d3843c52167a34ab8d6eabb0a63ef<\/p>\n\n\n\n<p>86fc70d24f79a34c46ef66112ef4756639fcad2f2d7288e0eeb0448ffab90428<\/p>\n\n\n\n<p>86fc70d24f79a34c46ef66112ef4756639fcad2f2d7288e0eeb0448ffab90428<\/p>\n\n\n\n<p>7e9663f87255ae2ff78eb882efe8736431368f341849fec000543f027bdb4512<\/p>\n\n\n\n<p>SHA1:<\/p>\n\n\n\n<p>f568eb59fd37b2fe37db730292594d875d3a11e8<\/p>\n\n\n\n<p>c927738922b87802cc75697dd99dd8c7d8cfdf1e<\/p>\n\n\n\n<p>b21aa1107ecc79f4ad29f68a026a02e2abc952ef<\/p>\n\n\n\n<p>9edd5d86fbb0236625c1c533e85d2fe76901979f<\/p>\n\n\n\n<p>8d692f73e5b6c3309568a3f488a93f8685c6661a<\/p>\n\n\n\n<p>8611063eefa5cc2bbec29870fb56779192eed454<\/p>\n\n\n\n<p>82d984fcbf4f8bc8ffbad29e3f3cc4cfac70d8d4<\/p>\n\n\n\n<p><strong>\u5176\u4ed6\u76f8\u95dcLog4j\u7684\u5831\u5c0e:<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-wp-embed is-provider-\u7ae3\u76df\u79d1\u6280 wp-block-embed-\u7ae3\u76df\u79d1\u6280\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"wp-embedded-content\" data-secret=\"aeMIJO1GVm\"><a href=\"https:\/\/blog.billows.com.tw\/?p=1569\">\u5c08\u5bb6\u8b66\u544a\u8aaa\uff0c\u99ed\u5ba2\u706b\u529b\u5168\u958b\u7a4d\u6975\u5229\u7528\u7b2c\u4e8c\u500bLog4j\u7684\u6f0f\u6d1e\uff0c\u7136\u800c\u7b2c\u4e09\u500b\u6f0f\u6d1e\u4e5f\u51fa\u73fe\u4e86!<\/a><\/blockquote><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; clip: rect(1px, 1px, 1px, 1px);\" title=\"\u5c08\u5bb6\u8b66\u544a\u8aaa\uff0c\u99ed\u5ba2\u706b\u529b\u5168\u958b\u7a4d\u6975\u5229\u7528\u7b2c\u4e8c\u500bLog4j\u7684\u6f0f\u6d1e\uff0c\u7136\u800c\u7b2c\u4e09\u500b\u6f0f\u6d1e\u4e5f\u51fa\u73fe\u4e86! &#8212; \u7ae3\u76df\u79d1\u6280\" src=\"https:\/\/blog.billows.com.tw\/?p=1569&#038;embed=true#?secret=aeMIJO1GVm\" data-secret=\"aeMIJO1GVm\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe>\n<\/div><\/figure>\n\n\n\n<figure class=\"wp-block-embed is-type-wp-embed is-provider-\u7ae3\u76df\u79d1\u6280 wp-block-embed-\u7ae3\u76df\u79d1\u6280\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"wp-embedded-content\" data-secret=\"eTXif0FGBb\"><a href=\"https:\/\/blog.billows.com.tw\/?p=1565\">\u99ed\u5ba2\u5229\u7528 Apache Log4j \u4e2d\u7684\u91cd\u5927\u98a8\u96aa\u6f0f\u6d1e\u4f86\u690d\u5165\u52d2\u7d22\u8edf\u9ad4\u3001Web Shell \u548c\u5f8c\u9580\uff0c CISA\u4e0b\u4ee4\u806f\u90a6\u6a5f\u69cb\u5728\u5e73\u5b89\u591c\u524d\u5b8c\u6210\u4fee\u88dc\u53d7Log4Shell\u6f0f\u6d1e\u5f71\u97ff\u7684\u7cfb\u7d71<\/a><\/blockquote><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; clip: rect(1px, 1px, 1px, 1px);\" title=\"\u99ed\u5ba2\u5229\u7528 Apache Log4j \u4e2d\u7684\u91cd\u5927\u98a8\u96aa\u6f0f\u6d1e\u4f86\u690d\u5165\u52d2\u7d22\u8edf\u9ad4\u3001Web Shell \u548c\u5f8c\u9580\uff0c CISA\u4e0b\u4ee4\u806f\u90a6\u6a5f\u69cb\u5728\u5e73\u5b89\u591c\u524d\u5b8c\u6210\u4fee\u88dc\u53d7Log4Shell\u6f0f\u6d1e\u5f71\u97ff\u7684\u7cfb\u7d71 &#8212; \u7ae3\u76df\u79d1\u6280\" src=\"https:\/\/blog.billows.com.tw\/?p=1565&#038;embed=true#?secret=eTXif0FGBb\" data-secret=\"eTXif0FGBb\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe>\n<\/div><\/figure>\n\n\n\n<figure class=\"wp-block-embed is-type-wp-embed is-provider-\u7ae3\u76df\u79d1\u6280 wp-block-embed-\u7ae3\u76df\u79d1\u6280\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"wp-embedded-content\" data-secret=\"q1ZzLn7Syq\"><a href=\"https:\/\/blog.billows.com.tw\/?p=1562\">\u65e5\u8a8c\u6846\u67b6Log4j\u88ab\u66dd\u6838\u5f48\u7d1a\u6f0f\u6d1e\uff0c\u5df2\u51fa\u73fe\u653b\u64ca\u884c\u52d5\uff0c\u6ce2\u53ca\u7bc4\u570d\u5ee3\u6cdb\uff0c\u9700\u5118\u901f\u63a1\u53d6\u7de9\u89e3\u63aa\u65bd<\/a><\/blockquote><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; clip: rect(1px, 1px, 1px, 1px);\" title=\"\u65e5\u8a8c\u6846\u67b6Log4j\u88ab\u66dd\u6838\u5f48\u7d1a\u6f0f\u6d1e\uff0c\u5df2\u51fa\u73fe\u653b\u64ca\u884c\u52d5\uff0c\u6ce2\u53ca\u7bc4\u570d\u5ee3\u6cdb\uff0c\u9700\u5118\u901f\u63a1\u53d6\u7de9\u89e3\u63aa\u65bd &#8212; \u7ae3\u76df\u79d1\u6280\" src=\"https:\/\/blog.billows.com.tw\/?p=1562&#038;embed=true#?secret=q1ZzLn7Syq\" data-secret=\"q1ZzLn7Syq\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe>\n<\/div><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>\u7f8e\u570b\u7db2\u8def\u5b89\u5168\u53ca\u57fa\u790e\u8a2d\u65bd\u5b89\u5168\u5c40\uff08CISA\uff09\u767c\u5e03\u4e86\u4e00\u500b\u958b\u6e90\u7684\u6383\u63cf\u5de5\u5177(Scanner)\uff0c\u4f01\u696d\u53ef\u4ee5\u4f7f\u7528\u5b83\u4f86\u67e5\u627e\u6613\u53d7L <a class=\"read-more\" href=\"https:\/\/blog.billows.com.tw\/?p=1575\">READ 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