{"id":407,"date":"2024-02-12T11:39:17","date_gmt":"2024-02-12T02:39:17","guid":{"rendered":"https:\/\/yokohama-infosec-consulting-service.net\/?p=407"},"modified":"2024-02-23T15:30:06","modified_gmt":"2024-02-23T06:30:06","slug":"%e4%ba%8b%e4%be%8b%e3%80%80%ef%bc%9c%e6%b8%af%e6%b9%be%e3%82%b7%e3%82%b9%e3%83%86%e3%83%a0-ransomware%ef%bc%9e","status":"publish","type":"post","link":"https:\/\/yokohama-infosec-consulting-service.net\/?p=407","title":{"rendered":"\u4e8b\u4f8b\u3000\uff1c\u6e2f\u6e7e\u30b7\u30b9\u30c6\u30e0 Ransomware\uff1e"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">\u6e2f\u6e7e\u30b7\u30b9\u30c6\u30e0\u306b\u5bfe\u3057\u3066\u306e\u30e9\u30f3\u30b5\u30e0\u30a6\u30a8\u30a2(Lock Bit)\u306b\u3088\u308b\u30b5\u30a4\u30d0\u30fc\u30a2\u30bf\u30c3\u30af<\/h2>\n\n\n\n<p><br><strong>\u653b\u6483\u6982\u8981<\/strong>\uff1a\u65e5\u672c\u306e\u6e2f\u6e7e\u65bd\u8a2d\u306b\u3068\u3063\u3066\u521d\u3081\u3066\u3068\u306a\u308b\u5927\u898f\u6a21\u306a\u30b5\u30a4\u30d0\u30fc\u653b\u6483\u3092\u53d7\u3051\u3066\u505c\u6b62\u3057\u56fd\u5185\u7269\u6d41\u306b\u5927\u304d\u306a\u5f71\u97ff\u3092\u4e0e\u3048\u305f<br><strong>\u767a\u751f\u65e5\u3000<\/strong>\uff1a2023 \u5e74 7 \u6708 4 \u65e5<br><strong>\u653b\u6483\u5bfe\u8c61<\/strong>\uff1a\u540d\u53e4\u5c4b\u6e2f\u306e 5 \u3064\u306e\u30b3\u30f3\u30c6\u30ca\u30bf\u30fc\u30df\u30ca\u30eb<br>\u3000\u3000\u3000\u3000\u3000\u96c6\u4e2d\u7ba1\u7406\u30b2\u30fc\u30c8\u3067\u904b\u7528\u3055\u308c\u3066\u3044\u308b\u540d\u53e4\u5c4b\u6e2f\u7d71\u4e00\u30bf\u30fc\u30df\u30ca\u30eb\u30b7\u30b9\u30c6\u30e0<br>\u3000\u3000\u3000\u3000\u3000\uff08\u4ee5\u4e0b\u3001\u300cNUTS\u300d\uff09<br><strong>\u5f71\u97ff\u6982\u8981<\/strong>\uff1a\u7d04 3 \u65e5\u9593\u306b\u308f\u305f\u308a\u540d\u53e4\u5c4b\u6e2f\u306e\u30b3\u30f3\u30c6\u30ca\u306e\u642c\u5165\u30fb\u642c\u51fa\u304c\u6b62\u307e\u308b<br><strong>\u4fb5\u5165\u7d4c\u8def<\/strong>\uff1a\u4fdd\u5b88\u7528VPN\u6a5f\u5668\u304b\u3089\u306e\u4fb5\u5165\u304c\u6709\u529b\u8996<br><strong>\u7a81\u7834\u539f\u56e0<\/strong>\uff1a\u63a5\u7d9a\u8a8d\u8a3c\u5f37\u5ea6\u304c\u5f31\u3044\uff08IP\u30a2\u30c9\u30ec\u30b9\u5236\u9650\u306a\u3057\u3001\uff12\u8981\u7d20\u8a8d\u8a3c\u3067\u306a\u3044\uff09<br>\u3000\u3000\u3000\u3000\u3000VPN\u6a5f\u5668\u306e\u65e2\u77e5\u306e\u8106\u5f31\u6027\u653e\u7f6e\uff08\u653b\u6483\u65b9\u6cd5\u304c\u4e16\u306e\u4e2d\u306b\u51fa\u56de\u3063\u3066\u3044\u308b\u72b6\u614b\uff09<br><strong>\u88ab\u5bb3\u72b6\u6cc1<\/strong>\uff1a\u5168\uff18\u53f0\u306e\u7269\u7406\u30b5\u30fc\u30d0\u306e\u6697\u53f7\u5316<br><\/p>\n\n\n\n<p><strong>\u7d4c\u3000\u3000\u904e<\/strong>\uff1a<br>\u30107 \u67084 \u65e5\uff08\u706b\uff09\u3011<br>\u300006:30\u3000NUTS\u505c\u6b62<br>\u300007:30\u3000\u30b7\u30b9\u30c6\u30e0\u5c02\u7528\u306e\u30d7\u30ea\u30f3\u30bf\u30fc\u304b\u3089\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a22\u306e\u8105\u8feb\u6587\u66f8\u304c\u5370\u5237<br>\u300008:15\u3000\u30b5\u30fc\u30d0\u304c\u518d\u8d77\u52d5\u3067\u304d\u306a\u3044\u3053\u3068\u304c\u5224\u660e<br>\u300014:00\u3000\u7269\u7406\u30b5\u30fc\u30d0\u57fa\u76e4\u53ca\u3073\u5168\u4eee\u60f3\u30b5\u30fc\u30d0\u304c\u6697\u53f7\u5316\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u5224\u660e<br><br>\u30107 \u67085 \u65e5\uff08\u6c34\uff09\u3011<br>\u300002:00\u3000\u7269\u7406\u30b5\u30fc\u30d0\u57fa\u76e4\u51688 \u53f0\u304c\u5fa9\u65e7<br>\u300012:00\u3000\u4eee\u60f3\u30b5\u30fc\u30d0\u306e\u5fa9\u5143\u5b8c\u4e86\u3001\u30a6\u30a4\u30eb\u30b9\u30c1\u30a7\u30c3\u30af\u3092\u958b\u59cb<br>\u300021:00\u3000\u5fa9\u5143\u3057\u305f\u4eee\u60f3\u30b5\u30fc\u30d0\u304b\u3089\u30a6\u30a4\u30eb\u30b9\u304c\u691c\u77e5<br><br>\u30107 \u67086 \u65e5\uff08\u6728\uff09\u3011<br>\u300002:00\u3000\u30a6\u30a4\u30eb\u30b9\u30c1\u30a7\u30c3\u30af\u7d42\u4e86<br>\u3000\u3000\u3000\u3000\u3000\u6700\u7d42\u7684\u306b\u30c8\u30ed\u30a4\u306e\u6728\u99ac120 \u500b\u30de\u30eb\u30a6\u30a7\u30a24 \u500b\u305d\u306e\u4ed68\u4ef6\u306e\u30a6\u30a4\u30eb\u30b9\u3092\u691c\u77e5<br>\u3000\u3000\u3000\u3000\u3000\u30a6\u30a4\u30eb\u30b9\u99c6\u9664\u3092\u958b\u59cb<br>\u300007:15\u3000\u30a6\u30a4\u30eb\u30b9\u99c6\u9664\u7d42\u4e86<br>\u3000\u3000\u3000\u3000\u3000\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u30c7\u30fc\u30bf\u304b\u3089\u30b5\u30fc\u30d0\u5358\u4f53\u3067\u306f\u5fa9\u5143\u304c\u5b8c\u4e86<br>\u3000\u3000\u3000\u3000\u3000\u30b7\u30b9\u30c6\u30e0\u9023\u643a\u306b\u969c\u5bb3\u304c\u767a\u751f<br>\u300014:15\uff1a\u30b7\u30b9\u30c6\u30e0\u9023\u643a\u969c\u5bb3\u304c\u89e3\u6d88<br>\u3000\u3000\u3000\u3000\u3000\u30c7\u30fc\u30bf\u3068\u5b9f\u5728\u5eab\u60c5\u5831\u306e\u6574\u5408\u6027\u306e\u78ba\u8a8d\u3092\u958b\u59cb<br>\u3000\u3000\u3000\u3000\u3000\u6e96\u5099\u304c\u6574\u3063\u305f\u30bf\u30fc\u30df\u30ca\u30eb\u3088\u308a\u9806\u6b21\u4f5c\u696d\u3092\u518d\u958b\u3059\u308b<br>\u300018:15\uff1aNUTS\u518d\u958b<\/p>\n\n\n\n<p><strong>\u5bfe\u3000\u3000\u7b56<\/strong>\uff1a\u5916\u90e8\u63a5\u7d9a\u6a5f\u5668\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u7ba1\u7406\u5f37\u5316\uff08\u8106\u5f31\u6027\u975e\u653e\u7f6e\u3001\u8a8d\u8a3c\u6a5f\u80fd\u5f37\u5316\uff09<br>\u3000\u3000\u3000\u3000\u3000\u63a5\u7d9a\u6a5f\u5668\u81ea\u4f53\u306e\u30ed\u30b0\u306e\u53d6\u5f97\uff08\u4fb5\u5165\u7d4c\u8def\u89e3\u6790\u8fc5\u901f\u5316\uff09<br>\u3000\u3000\u3000\u3000\u3000\u30ed\u30b0\u306e\u5206\u96e2\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\uff08\u653b\u6483\u89e3\u6790\u8fc5\u901f\u5316\uff09<br>\u3000\u3000\u3000\u3000\u3000\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u671f\u9593\u306e\u62e1\u5927\uff08\u975e\u611f\u67d3\u30c7\u30fc\u30bf\u306e\u78ba\u4fdd\uff09<br>\u3000\u3000\u3000\u3000\u3000\u30b7\u30b9\u30c6\u30e0\u969c\u5bb3\u6642\u306eBCP\u4f5c\u6210\uff08\u5bfe\u5fdc\u8fc5\u901f\u5316\uff09<br><\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u56fd\u571f\u4ea4\u901a\u7701\u3000\u30b3\u30f3\u30c6\u30ca\u30bf\u30fc\u30df\u30ca\u30eb\u306b\u304a\u3051\u308b\u60c5\u5831\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u7b49\u691c\u8a0e\u59d4\u54e1\u4f1a\u306b\u3064\u3044\u3066<br><a href=\"https:\/\/www.mlit.go.jp\/kowan\/kowan_mn2_000006.html\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/www.mlit.go.jp\/kowan\/kowan_mn2_000006.html<\/a><\/p>\n<\/blockquote>\n","protected":false},"excerpt":{"rendered":"\u6e2f\u6e7e\u30b7\u30b9\u30c6\u30e0\u306b\u5bfe\u3057\u3066\u306e\u30e9\u30f3\u30b5\u30e0\u30a6\u30a8\u30a2(Lock Bit)\u306b\u3088\u308b\u30b5\u30a4\u30d0\u30fc\u30a2\u30bf\u30c3\u30af \u653b\u6483\u6982\u8981\uff1a\u65e5\u672c\u306e\u6e2f\u6e7e\u65bd\u8a2d\u306b\u3068\u3063\u3066\u521d\u3081\u3066\u3068\u306a\u308b\u5927\u898f\u6a21\u306a\u30b5\u30a4\u30d0\u30fc\u653b\u6483\u3092\u53d7\u3051\u3066\u505c\u6b62\u3057\u56fd\u5185\u7269\u6d41\u306b\u5927\u304d\u306a\u5f71\u97ff\u3092\u4e0e\u3048\u305f\u767a\u751f\u65e5\u3000\uff1a2023 \u5e74 7 \u6708 4 [&hellip;]","protected":false},"author":1,"featured_media":415,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-407","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-casestudy"],"_links":{"self":[{"href":"https:\/\/yokohama-infosec-consulting-service.net\/index.php?rest_route=\/wp\/v2\/posts\/407","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/yokohama-infosec-consulting-service.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/yokohama-infosec-consulting-service.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/yokohama-infosec-consulting-service.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/yokohama-infosec-consulting-service.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=407"}],"version-history":[{"count":4,"href":"https:\/\/yokohama-infosec-consulting-service.net\/index.php?rest_route=\/wp\/v2\/posts\/407\/revisions"}],"predecessor-version":[{"id":411,"href":"https:\/\/yokohama-infosec-consulting-service.net\/index.php?rest_route=\/wp\/v2\/posts\/407\/revisions\/411"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/yokohama-infosec-consulting-service.net\/index.php?rest_route=\/wp\/v2\/media\/415"}],"wp:attachment":[{"href":"https:\/\/yokohama-infosec-consulting-service.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=407"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/yokohama-infosec-consulting-service.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=407"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/yokohama-infosec-consulting-service.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=407"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}