{"id":135465,"date":"2026-08-16T08:17:13","date_gmt":"2026-08-15T23:17:13","guid":{"rendered":"https:\/\/softantenna.com\/blog\/?p=135465"},"modified":"2026-08-16T08:17:13","modified_gmt":"2026-08-15T23:17:13","slug":"defender-bypass-shieldbreak-windows11","status":"publish","type":"post","link":"https:\/\/softantenna.com\/blog\/defender-bypass-shieldbreak-windows11\/","title":{"rendered":"Defender\u3092\u5b8c\u5168\u7a81\u7834\u3059\u308b\u65b0\u624b\u6cd5\u300cShieldBreak\u300d\u304c\u767b\u5834\u3002Windows 11 25H2\u304c\u6a19\u7684\u306b"},"content":{"rendered":"<p><img decoding=\"async\" style=\"display:block; margin-left:auto; margin-right:auto;\" src=\"https:\/\/softantenna.com\/blog\/wp-content\/uploads\/2016\/08\/hacker.jpg\" alt=\"Hacker\" title=\"hacker.jpg\" border=\"0\" width=\"960\" height=\"720\" \/><\/p>\n<p>Windows 11\u3092\u6a19\u7684\u3068\u3057\u305f\u6700\u65b0\u306e\u30bc\u30ed\u30c7\u30a4\u653b\u6483\u300cShieldBreak\u300d\u306ePoC(\u6982\u5ff5\u5b9f\u8a3c)\u3092\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u7814\u7a76\u8005NightmareEclipse\u6c0f\u304c\u516c\u958b\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>Microsoft\u304c8\u6708\u306e\u6708\u4f8b\u66f4\u65b0\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u4fee\u6b63\u3092\u884c\u3063\u305f\u3070\u304b\u308a\u306e\u8106\u5f31\u6027(CVE-2026-50656\/RoguePlanet)\u3092\u3001100%\u306e\u6210\u529f\u7387\u3067\u56de\u907f\u3067\u304d\u308b\u3068\u3044\u3046\u885d\u6483\u7684\u306a\u5185\u5bb9\u3067\u3059\u3002<\/p>\n<p>\u5bfe\u8c61\u306fWindows 11 25H2\u3068Windows Server 2025\u3067\u3001\u4f01\u696d\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u3068\u3063\u3066\u306f\u3001\u898b\u904e\u3054\u305b\u306a\u3044\u6df1\u523b\u306a\u30ed\u30fc\u30ab\u30eb\u6a29\u9650\u6607\u683c\u306e\u554f\u984c\u3067\u3059\u3002<\/p>\n<h2>ShieldBreak\u304c\u4f55\u3092\u3059\u308b\u306e\u304b<\/h2>\n<p>ShieldBreak\u306ePoC\u306f\u6b21\u306e\u3088\u3046\u306b\u52d5\u4f5c\u3057\u3001Windows\u306e\u9632\u5fa1\u3092\u3059\u308a\u629c\u3051\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u507d\u306e\u30d5\u30a9\u30eb\u30c0\u3084\u30b7\u30e7\u30fc\u30c8\u30ab\u30c3\u30c8\u3092\u30e1\u30e2\u30ea\u4e0a\u306b\u751f\u6210\u3057\u3001\u30b7\u30b9\u30c6\u30e0\u30d7\u30ed\u30bb\u30b9\u3092\u8aa4\u8a98\u5c0e\u3059\u308b\u3002<\/li>\n<li>Windows\u306e\u516c\u5f0f\u30af\u30e9\u30a6\u30c9\u30b9\u30c8\u30ec\u30fc\u30b8\u6a5f\u80fd\u3092\u60aa\u7528\u3057\u3001\u507d\u306e\u30c9\u30e9\u30a4\u30d0\u30fc\u300cFlubber\u300d\u3092\u767b\u9332\u3002  <\/li>\n<li>\u3053\u308c\u306b\u3088\u308a\u3001\u30d5\u30a1\u30a4\u30eb\u306e\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3084\u30aa\u30fc\u30d7\u30f3\u51e6\u7406\u3092\u653b\u6483\u8005\u304c\u5236\u5fa1\u3067\u304d\u308b\u3002<\/li>\n<li>Defender\u306e\u30b9\u30ad\u30e3\u30f3\u30a8\u30f3\u30b8\u30f3\u306e\u6b20\u9665\u3092\u7a81\u304d\u3001\u7279\u5225\u306b\u7d30\u5de5\u3057\u305f\u30d1\u30b9\u3092\u8aad\u307f\u8fbc\u307e\u305b\u308b\u30bf\u30a4\u30df\u30f3\u30b0\u3092\u64cd\u4f5c\u3002<\/li>\n<li>Windows\u306e\u30ed\u30b0\u30d5\u30a1\u30a4\u30eb\u3092\u30ed\u30c3\u30af\u3057\u3001\u30b9\u30ad\u30e3\u30f3\u4e2d\u306e\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u6319\u52d5\u3092\u56fa\u5b9a\u3002<\/li>\n<li>\u507d\u306e\u30a8\u30e9\u30fc\u30ec\u30dd\u30fc\u30c8\u3092WER\u30d5\u30a9\u30eb\u30c0\u306b\u6295\u3052\u8fbc\u307f\u3001Task Scheduler\u306e\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u30bf\u30b9\u30af\u3092\u5b9f\u884c\u3055\u305b\u308b\u3002<br \/>\n\u2192 \u305d\u306e\u7d50\u679c\u3001NT AUTHORITY\\\\SYSTEM \u306e\u6a29\u9650\u3067\u4efb\u610f\u30b3\u30fc\u30c9\u304c\u5b9f\u884c\u53ef\u80fd\u306b\u306a\u308b\u3002<\/li>\n<\/ul>\n<p>Windows\u306e\u8907\u6570\u306e\u4ed5\u7d44\u307f\u3092\u5de7\u5999\u306b\u9023\u9396\u3055\u305b\u305f\u9ad8\u5ea6\u306a\u5185\u5bb9\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>ShieldBreak\u306f\u300c\u30ed\u30fc\u30ab\u30eb\u6a29\u9650\u6607\u683c\u300d\u30bf\u30a4\u30d7\u306e\u653b\u6483\u3067\u3001\u4f01\u696d\u74b0\u5883\u3067\u306f\u7279\u306b\u6df1\u523b\u3067\u3059\u3002\u901a\u5e38\u3001\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u306e\u9632\u5fa1\u6a5f\u80fd\u3084Defender\u306e\u30b9\u30ad\u30e3\u30f3\u304c\u6700\u5f8c\u306e\u7826\u306b\u306a\u308a\u307e\u3059\u304c\u3001\u4eca\u56de\u306ePoC\u306f\u305d\u306e\u9632\u5fa1\u3092\u5b8c\u5168\u306b\u56de\u907f\u3057\u3066\u3057\u307e\u3044\u307e\u3059\u3002PoC\u306f<a href=\"https:\/\/git.projectnightcrawler.dev\/NightmareEclipse\/ShieldBreak\">ProjectNightCrawler<\/a>\u3067\u516c\u958b\u3055\u308c\u3066\u304a\u308a\u3001\u653b\u6483\u624b\u6cd5\u306e\u8a73\u7d30\u304c\u8ab0\u3067\u3082\u78ba\u8a8d\u3067\u304d\u308b\u72b6\u6cc1\u3067\u3059\u3002<\/p>\n<h2>\u7ba1\u7406\u8005\u304c\u4eca\u3059\u3079\u304d\u3053\u3068<\/h2>\n<p>Microsoft\u306f\u307e\u3060\u8ffd\u52a0\u30d1\u30c3\u30c1\u3092\u516c\u958b\u3057\u3066\u3044\u307e\u305b\u3093\u3002\u4f01\u696d\u306eIT\u7ba1\u7406\u8005\u306f\u3001\u4ee5\u4e0b\u306e\u70b9\u3092\u7279\u306b\u6ce8\u610f\u3059\u3079\u304d\u3067\u3059\u3002<\/p>\n<ul>\n<li>Microsoft\u306e\u8ffd\u52a0\u30d1\u30c3\u30c1\u516c\u958b\u3092\u7d99\u7d9a\u7684\u306b\u30c1\u30a7\u30c3\u30af\u3059\u308b\u3002<\/li>\n<li>25H2\u74b0\u5883\u306e\u76e3\u8996\u3092\u5f37\u5316\u3057\u3001\u7570\u5e38\u306a\u30af\u30e9\u30a6\u30c9\u30c9\u30e9\u30a4\u30d0\u30fc\u767b\u9332\u3084WER\u30d5\u30a9\u30eb\u30c0\u306e\u6319\u52d5\u3092\u78ba\u8a8d\u3059\u308b\u3002<\/li>\n<li>\u30ed\u30fc\u30ab\u30eb\u6a29\u9650\u6607\u683c\u3092\u524d\u63d0\u3068\u3057\u305f\u30bc\u30ed\u30c8\u30e9\u30b9\u30c8\u69cb\u6210\u306e\u898b\u76f4\u3057\u3002<\/li>\n<\/ul>\n<h2>\u307e\u3068\u3081<\/h2>\n<p>\u4eca\u56de\u306e\u300cShieldBreak\u300d\u306f\u3001Defender\u306e\u30d1\u30c3\u30c1\u3092\u5b8c\u5168\u306b\u56de\u907f\u3057\u3001Windows\u306e\u8907\u6570\u306e\u4ed5\u7d44\u307f\u3092\u9023\u9396\u7684\u306b\u60aa\u7528\u3059\u308b\u9ad8\u5ea6\u306a\u30bc\u30ed\u30c7\u30a4\u653b\u6483\u3067\u3059\u3002<\/p>\n<p>\u4f01\u696d\u30e6\u30fc\u30b6\u30fc\u306f\u3001Microsoft\u306e\u8ffd\u52a0\u5bfe\u5fdc\u3092\u6ce8\u8996\u3057\u3064\u3064\u3001\u30ed\u30fc\u30ab\u30eb\u6a29\u9650\u6607\u683c\u3092\u524d\u63d0\u3068\u3057\u305f\u9632\u5fa1\u4f53\u5236\u306e\u5f37\u5316\u304c\u6c42\u3081\u3089\u308c\u307e\u3059\u3002<\/p>\n<p>[via <a href=\"https:\/\/www.neowin.net\/news\/nightmareeclipse-strikes-again-at-windows-11-exploit-with-shieldbreak-proof-of-concept\/\/\">Neowin<\/a>]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Windows 11\u3092\u6a19\u7684\u3068\u3057\u305f\u6700\u65b0\u306e\u30bc\u30ed\u30c7\u30a4\u653b\u6483\u300cShieldBreak\u300d\u306ePoC(\u6982\u5ff5\u5b9f\u8a3c)\u3092\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u7814\u7a76\u8005NightmareEclipse\u6c0f\u304c\u516c\u958b\u3057\u307e\u3057\u305f\u3002 Microsoft\u304c8\u6708\u306e\u6708\u4f8b\u66f4\u65b0\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u4fee\u6b63 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":41389,"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-135465","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\/135465","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=135465"}],"version-history":[{"count":0,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/posts\/135465\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/media\/41389"}],"wp:attachment":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/media?parent=135465"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/categories?post=135465"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/tags?post=135465"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}