{"id":134263,"date":"2026-05-15T09:50:44","date_gmt":"2026-05-15T00:50:44","guid":{"rendered":"https:\/\/softantenna.com\/blog\/?p=134263"},"modified":"2026-05-15T09:50:44","modified_gmt":"2026-05-15T00:50:44","slug":"yellowkey-greenplasma-windows11-vulnerabilities","status":"publish","type":"post","link":"https:\/\/softantenna.com\/blog\/yellowkey-greenplasma-windows11-vulnerabilities\/","title":{"rendered":"Windows 11\u306b\u65b0\u305f\u306a\u8106\u5f31\u6027\u300cYellowKey\u300d\u300cGreenPlasma\u300d\u767a\u899a: BitLocker\u30d0\u30a4\u30d1\u30b9\u3068\u6a29\u9650\u6607\u683c\u306e\u5371\u967a\u6027"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/softantenna.com\/blog\/wp-content\/uploads\/2026\/05\/yellowkey.webp\" alt=\"\" width=\"1280\" height=\"726\" class=\"aligncenter size-full wp-image-134264\" \/><\/p>\n<p>GitHub\u30e6\u30fc\u30b6\u30fcNightmare\u2011Eclipse\u306f5\u670812\u65e5(\u73fe\u5730\u6642\u9593)\u3001Windows 11\u3092\u4e2d\u5fc3\u306b\u5f71\u97ff\u3059\u308b2\u3064\u306e\u65b0\u3057\u3044\u8106\u5f31\u6027\u300cYellowKey\u300d\u3068\u300cGreenPlasma\u300d\u3092\u516c\u958b\u3057\u307e\u3057\u305f\u3002\u540c\u65e5\u306fMicrosoft\u306ePatch Tuesday\u306e\u516c\u958b\u65e5\u3067\u3082\u3042\u308a\u3001\u540c\u793e\u306b\u3068\u3063\u3066\u306f\u982d\u306e\u75db\u3044\u30bf\u30a4\u30df\u30f3\u30b0\u3068\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n<h2>YellowKey\uff1aBitLocker \u3092\u8fc2\u56de\u3067\u304d\u308b\u6df1\u523b\u306a\u8106\u5f31\u6027<\/h2>\n<p>\u6700\u521d\u306e\u8106\u5f31\u6027\u300c<a href=\"https:\/\/github.com\/Nightmare-Eclipse\/YellowKey\">YellowKey<\/a>\u300d\u306f\u3001Windows 11\u306eBitLocker\u3092\u30d0\u30a4\u30d1\u30b9\u3067\u304d\u308b\u554f\u984c\u3067\u3059\u3002\u653b\u6483\u8005\u306f\u516c\u958b\u3055\u308c\u305fFsTx\u30d5\u30a9\u30eb\u30c0\u30fc\u3092USB\u306b\u30b3\u30d4\u30fc\u3057\u3001BitLocker\u304c\u6709\u52b9\u306aPC\u306b\u633f\u5165\u3002\u7279\u5b9a\u306e\u30ad\u30fc\u64cd\u4f5c\u3067Windows Recovery Environment(WinRE)\u306b\u5165\u308b\u3053\u3068\u3067\u3001\u6697\u53f7\u5316\u30dc\u30ea\u30e5\u30fc\u30e0\u3078\u30d5\u30eb\u30a2\u30af\u30bb\u30b9\u3067\u304d\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n<p>Nightmare\u2011Eclipse\u306f\u3001\u3053\u306e\u6319\u52d5\u304c<strong>\u300c\u307e\u308b\u3067Microsoft\u304c\u610f\u56f3\u7684\u306b\u4ed5\u8fbc\u3093\u3060\u30d0\u30c3\u30af\u30c9\u30a2\u306e\u3088\u3046\u3060\u300d<\/strong>\u3068\u6307\u6458\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<blockquote><p>\nNow why would I say this is a backdoor ? The component that is responsible for this bug is not present anywhere (even in the internet) except inside WinRE image and what makes it raise suspicions is the fact that the exact same component is also present with the exact same name in a normal windows installation but without the functionalities that trigger the bitlocker bypass issue. Why ? I just can't come up with an explanation besides the fact that this was intentional.<\/p>\n<p>\u3067\u306f\u3001\u306a\u305c\u3053\u308c\u3092\u30d0\u30c3\u30af\u30c9\u30a2\u3060\u3068\u8a00\u3046\u306e\u304b\uff1f\u3053\u306e\u30d0\u30b0\u306e\u539f\u56e0\u3068\u306a\u3063\u3066\u3044\u308b\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306f\u3001WinRE \u30a4\u30e1\u30fc\u30b8\u306e\u4e2d\u306b\u3057\u304b\u5b58\u5728\u305b\u305a\u3001\uff08\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u306b\u3082\uff09\u4ed6\u3067\u306f\u4e00\u5207\u898b\u3064\u304b\u3089\u306a\u3044\u3002\u305d\u3057\u3066\u7591\u308f\u3057\u3044\u306e\u306f\u3001\u901a\u5e38\u306e Windows \u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u306b\u3082 \u307e\u3063\u305f\u304f\u540c\u3058\u540d\u524d\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u304c\u5b58\u5728\u3059\u308b\u306e\u306b\u3001BitLocker \u30d0\u30a4\u30d1\u30b9\u3092\u5f15\u304d\u8d77\u3053\u3059\u6a5f\u80fd\u3060\u3051\u304c\u524a\u3089\u308c\u3066\u3044\u308b \u3068\u3044\u3046\u70b9\u3060\u3002\u306a\u305c\u306a\u306e\u304b\uff1f\u610f\u56f3\u7684\u3060\u3063\u305f\u3068\u3057\u304b\u8aac\u660e\u304c\u3064\u304b\u306a\u3044\u3002\n<\/p><\/blockquote>\n<p>WinRE\u5185\u306b\u306e\u307f\u5b58\u5728\u3059\u308b\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u304c\u3001\u901a\u5e38\u306eWindows\u306b\u3082\u540c\u540d\u3067\u5b58\u5728\u3059\u308b\u3082\u306e\u306e\u3001\u554f\u984c\u3092\u5f15\u304d\u8d77\u3053\u3059\u6a5f\u80fd\u3060\u3051\u304cWinRE\u5074\u306b\u6b8b\u3055\u308c\u3066\u3044\u308b\u70b9\u304c\u4e0d\u81ea\u7136\u3060\u3068\u3044\u3046\u4e3b\u5f35\u3067\u3059\u3002<\/p>\n<p>\u5f71\u97ff\u7bc4\u56f2\u306fWindows 11\u3001Windows Server 2022\u3001Windows Server 2025\u3067\u3001Windows 10\u306f\u5f71\u97ff\u3092\u53d7\u3051\u307e\u305b\u3093\u3002<\/p>\n<h2>GreenPlasma\uff1a\u6a29\u9650\u6607\u683c\u306b\u3064\u306a\u304c\u308b\u5371\u967a\u306a\u8106\u5f31\u6027<\/h2>\n<p>2\u3064\u76ee\u306e\u300c<a href=\"https:\/\/github.com\/Nightmare-Eclipse\/GreenPlasma\">GreenPlasma<\/a>\u300d\u306f\u3001\u653b\u6483\u8005\u304c\u6a29\u9650\u3092\u5f15\u304d\u4e0a\u3052\u3001\u30b7\u30b9\u30c6\u30e0\u7834\u58ca\u3084\u30c7\u30fc\u30bf\u7a83\u53d6\u306b\u3064\u306a\u304c\u308b\u53ef\u80fd\u6027\u306e\u3042\u308b\u8106\u5f31\u6027\u3067\u3059\u3002\u516c\u958b\u3055\u308c\u305fPoC(\u6982\u5ff5\u5b9f\u8a3c\u30b3\u30fc\u30c9)\u306fSYSTEM\u6a29\u9650\u306e\u5b8c\u5168\u53d6\u5f97\u307e\u3067\u306f\u3067\u304d\u307e\u305b\u3093\u304c\u3001\u77e5\u8b58\u306e\u3042\u308b\u653b\u6483\u8005\u306a\u3089\u5bb9\u6613\u306b\u30d5\u30eb\u6a29\u9650\u306e\u30a8\u30b9\u30ab\u30ec\u30fc\u30b7\u30e7\u30f3\u3078\u767a\u5c55\u3055\u305b\u3089\u308c\u308b\u3068\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/softantenna.com\/blog\/wp-content\/uploads\/2026\/05\/greenplasma.webp\" alt=\"\" width=\"1115\" height=\"628\" class=\"aligncenter size-full wp-image-134265\" \/><\/p>\n<p>\u3053\u306e\u8106\u5f31\u6027\u306f\u3001\u4ee5\u524d\u304b\u3089\u5b89\u5168\u6027\u304c\u554f\u984c\u8996\u3055\u308c\u3066\u304d\u305fCTF(Collaborative Translation Framework)\u3092\u60aa\u7528\u3057\u3001SYSTEM\u304c\u66f8\u304d\u8fbc\u307f\u53ef\u80fd\u306a\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306b\u4efb\u610f\u306e\u30e1\u30e2\u30ea\u30bb\u30af\u30b7\u30e7\u30f3\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3067\u304d\u3066\u3057\u307e\u3046\u70b9\u304c\u554f\u984c\u3067\u3059\u3002<\/p>\n<h2>Microsoft \u306e\u5bfe\u5fdc\u306f\u6025\u52d9<\/h2>\n<p>\u73fe\u6642\u70b9\u3067Microsoft\u306e\u53cd\u5fdc\u306f\u660e\u3089\u304b\u306b\u306a\u3063\u3066\u3044\u307e\u305b\u3093\u304c\u3001\u6b21\u306ePatch Tuesday\u307e\u3067\u5f85\u3064\u306e\u306f\u5371\u967a\u3068\u3044\u3046\u58f0\u304c\u591a\u304f\u3001\u65e9\u6025\u306a\u4fee\u6b63\u304c\u6c42\u3081\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u7279\u306bGreenPlasma\u306f\u653b\u6483\u8005\u306b\u60aa\u7528\u3055\u308c\u3084\u3059\u304f\u3001\u4e00\u822c\u30e6\u30fc\u30b6\u30fc\u3078\u306e\u88ab\u5bb3\u304c\u61f8\u5ff5\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>[via <a href=\"https:\/\/www.neowin.net\/news\/nightmare-eclipse-drops-yellowkey-and-greenplasma-exploits-for-windows-11\/\">Neowin<\/a>]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>GitHub\u30e6\u30fc\u30b6\u30fcNightmare\u2011Eclipse\u306f5\u670812\u65e5(\u73fe\u5730\u6642\u9593)\u3001Windows 11\u3092\u4e2d\u5fc3\u306b\u5f71\u97ff\u3059\u308b2\u3064\u306e\u65b0\u3057\u3044\u8106\u5f31\u6027\u300cYellowKey\u300d\u3068\u300cGreenPlasma\u300d\u3092\u516c\u958b\u3057\u307e\u3057\u305f\u3002\u540c\u65e5\u306fMicroso [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":134264,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"swell_btn_cv_data":"","footnotes":""},"categories":[3],"tags":[3298,4387],"class_list":["post-134263","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-windows","tag-windows","tag-windows11"],"_links":{"self":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/posts\/134263","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/comments?post=134263"}],"version-history":[{"count":0,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/posts\/134263\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/media\/134264"}],"wp:attachment":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/media?parent=134263"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/categories?post=134263"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/tags?post=134263"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}