{"id":107664,"date":"2020-06-22T21:55:01","date_gmt":"2020-06-23T04:55:01","guid":{"rendered":"https:\/\/unit42.paloaltonetworks.com\/?p=107664"},"modified":"2020-06-22T21:55:26","modified_gmt":"2020-06-23T04:55:26","slug":"acidbox-rare-malware","status":"publish","type":"post","link":"https:\/\/origin-unit42.paloaltonetworks.com\/ja\/acidbox-rare-malware\/","title":{"rendered":"AcidBox: \u30ed\u30b7\u30a2\u306e\u7d44\u7e54\u3092\u6a19\u7684\u306bTurla\u30b0\u30eb\u30fc\u30d7\u306e\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u3092\u6d41\u7528\u3059\u308b\u307e\u308c\u306a\u30de\u30eb\u30a6\u30a7\u30a2"},"content":{"rendered":"<h2>\u8981\u7d04<\/h2>\n<p><a href=\"https:\/\/www.gdatasoftware.com\/blog\/2014\/02\/23968-uroburos-highly-complex-espionage-software-with-russian-roots\">2014<\/a>\u5e74\u3001<a href=\"https:\/\/malpedia.caad.fkie.fraunhofer.de\/actor\/turla_group\">Turla\u30b0\u30eb\u30fc\u30d7<\/a>\u3068\u547c\u3070\u308c\u308b\u9ad8\u5ea6\u306a\u6280\u8853\u3092\u6301\u3064\u65b0\u305f\u306a\u653b\u6483\u30b0\u30eb\u30fc\u30d7\u306b\u3064\u3044\u3066\u306e\u30cb\u30e5\u30fc\u30b9\u304c\u5831\u9053\u3055\u308c\u307e\u3057\u305f\u3002<a href=\"https:\/\/www.valisluureamet.ee\/pdf\/raport-2018-ENG-web.pdf\">\u30a8\u30b9\u30c8\u30cb\u30a2\u5bfe\u5916\u60c5\u5831\u5e81<\/a>\u306b\u3088\u308c\u3070\u5f7c\u3089\u306f\u300c\u30ed\u30b7\u30a2\u3092\u62e0\u70b9\u3068\u3057\u30ed\u30b7\u30a2\u9023\u90a6\u4fdd\u5b89\u5e81\u306e\u305f\u3081\u306b\u6d3b\u52d5\u3057\u3066\u3044\u308b\u30b0\u30eb\u30fc\u30d7\u300d\u3068\u3055\u308c\u3066\u304a\u308a\u3001\u540c\u30b0\u30eb\u30fc\u30d7\u306e\u4f7f\u3046\u30ab\u30fc\u30cd\u30eb\u30e2\u30fc\u30c9\u3067\u52d5\u4f5c\u3059\u308b\u30de\u30eb\u30a6\u30a7\u30a2\u306f\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u88fd\u30c7\u30d0\u30a4\u30b9\u30c9\u30e9\u30a4\u30d0\u3092\u60aa\u7528\u3057<a href=\"https:\/\/docs.microsoft.com\/en-us\/previous-versions\/windows\/hardware\/design\/dn653559(v=vs.85)?redirectedfrom=MSDN\">\u30c9\u30e9\u30a4\u30d0\u7f72\u540d\u306e\u5f37\u5236<\/a>(Driver Signature Enforcement \u4ee5\u964d\u300cDSE\u300d)\u3092\u7121\u52b9\u5316\u3057\u305f\u3053\u3068\u304c\u5831\u3058\u3089\u308c\u305f\u521d\u306e\u4e8b\u4f8b\u3068\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n<p>DSE\u306fWindows Vista\u304b\u3089\u5c0e\u5165\u3055\u308c\u305f\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30e1\u30ab\u30cb\u30ba\u30e0\u3067\u3001\u672a\u7f72\u540d\u306e\u30c9\u30e9\u30a4\u30d0\u304c\u30ab\u30fc\u30cd\u30eb\u7a7a\u9593\u306b\u30ed\u30fc\u30c9\u3055\u308c\u306a\u3044\u3088\u3046\u306b\u3059\u308b\u3082\u306e\u3067\u3059\u3002Turla\u306f\u7f72\u540d\u3055\u308c\u305fVirtualBox\u30c9\u30e9\u30a4\u30d0VBoxDrv.sys v1.6.2\u3092\u4f7f\u7528\u3057\u3066DSE\u3092\u975e\u30a2\u30af\u30c6\u30a3\u30d6\u5316\u3057\u305f\u5f8c\u3001\u81ea\u8eab\u306e\u672a\u7f72\u540d\u306e\u30da\u30a4\u30ed\u30fc\u30c9\u30c9\u30e9\u30a4\u30d0\u3092\u30ed\u30fc\u30c9\u3057\u307e\u3059\u3002<\/p>\n<p>\u306a\u304a\u4e00\u822c\u306b<a href=\"https:\/\/cve.mitre.org\/cgi-bin\/cvename.cgi?name=CVE-2008-3431\">CVE-2008-3431<\/a>\u3068\u547c\u3070\u308c\u3066\u3044\u308b\u672c\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u306b\u3064\u3044\u3066\u306f\u4e00\u90e8\u3067\u8a8d\u8b58\u306b\u6df7\u4e71\u304c\u898b\u3089\u308c\u307e\u3059\u3002Turla\u304c\u4f7f\u7528\u3059\u308b\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u306b\u306f\u3001\u5b9f\u969b\u306b\u306f2\u3064\u306e\u8106\u5f31\u6027\u304c\u60aa\u7528\u3055\u308c\u3066\u3044\u308b\u306e\u3067\u3059\u304c\u3001CVE-2008-3431\u3067\u4fee\u6b63\u3055\u308c\u305f\u306e\u306f\u3053\u306e\u3046\u3061\u306e1\u3064\u306e\u307f\u306a\u306e\u3067\u3059\u3002Turla\u304c\u767a\u898b\u3057\u305f\u3082\u30461\u3064\u306e\u8106\u5f31\u6027\u306f\u3001CVE-2008-3431\u3068\u3068\u3082\u306b\u3001\u5f7c\u3089\u306e\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u306e\u6700\u521d\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u304a\u305d\u3089\u304f<a href=\"https:\/\/www.kernelmode.info\/forum\/viewtopic4989.html?f=16&amp;t=3193&amp;start=50#p26173\">2014<\/a>\u5e74\u306b\u6295\u5165\u3055\u308c\u305fTurla\u306e\u30ab\u30fc\u30cd\u30eb\u30e2\u30fc\u30c9\u30de\u30eb\u30a6\u30a7\u30a2\u306e2\u3064\u76ee\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u306f\u3001\u30d1\u30c3\u30c1\u304c\u9069\u7528\u3055\u308c\u3066\u3044\u306a\u3044\u8106\u5f31\u6027\u306e\u307f\u304c\u60aa\u7528\u3055\u308c\u307e\u3059\u3002\u3053\u306e\u8106\u5f31\u6027\u306b\u3064\u3044\u3066\u306f\u3001\u5f8c\u3067\u8a73\u3057\u304f\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n<p>\u3055\u30662019\u5e742\u6708\u3001Unit 42\u306f\u3001\u60c5\u5831\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u306b\u306f\u307e\u3060\u77e5\u3089\u308c\u3066\u3044\u306a\u3044\u653b\u6483\u8005\u304c\u3001\u30d1\u30c3\u30c1\u672a\u9069\u7528\u306e2\u3064\u76ee\u306e\u8106\u5f31\u6027\u306b\u3088\u308a\u3001VirtualBox\u306eVBoxDrv.sys\u30c9\u30e9\u30a4\u30d0v1.6.2\u3060\u3051\u3067\u306a\u304f\u3001v3.0.0\u307e\u3067\u306e\u305d\u306e\u4ed6\u3059\u3079\u3066\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3082\u60aa\u7528\u3067\u304d\u308b\u3053\u3068\u3092\u767a\u898b\u3057\u305f\u3053\u3068\u306b\u6c17\u4ed8\u304d\u307e\u3057\u305f\u3002\u3055\u3089\u306b\u79c1\u305f\u3061\u306e\u8abf\u67fb\u3067\u306f\u3001\u3053\u306e\u672a\u77e5\u306e\u653b\u6483\u8005\u304cVirtualBox\u30c9\u30e9\u30a4\u30d0\u30d0\u30fc\u30b8\u30e7\u30f32.2.0\u3092\u60aa\u7528\u3057\u30662017\u5e74\u306b2\u3064\u4ee5\u4e0a\u306e\u30ed\u30b7\u30a2\u306e\u7d44\u7e54\u3092\u653b\u6483\u3057\u305f\u3053\u3068\u304c\u308f\u304b\u3063\u3066\u304a\u308a\u3001\u3053\u306e\u4ef6\u306b\u3064\u3044\u3066\u306f\u3053\u3053\u3067\u521d\u3081\u3066\u767a\u8868\u3057\u307e\u3059\u3002\u79c1\u305f\u3061\u306f\u3001\u3053\u308c\u306f\u30c9\u30e9\u30a4\u30d0\u30d0\u30fc\u30b8\u30e7\u30f32.2.0\u304c\u8106\u5f31\u3060\u3068\u306f\u77e5\u3089\u308c\u3066\u304a\u3089\u305a\u3001\u3057\u305f\u304c\u3063\u3066\u653b\u6483\u3055\u308c\u305f\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4f01\u696d\u304c\u8b66\u6212\u3057\u3066\u3044\u306a\u304b\u3063\u305f\u305f\u3081\u306b\u767a\u751f\u3057\u305f\u3068\u8003\u3048\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u4ed6\u306e\u88ab\u5bb3\u306f\u898b\u3064\u304b\u3063\u3066\u3044\u306a\u3044\u305f\u3081\u3001\u3053\u308c\u306f\u6a19\u7684\u578b\u653b\u6483\u3067\u306e\u307f\u4f7f\u7528\u3055\u308c\u308b\u975e\u5e38\u306b\u307e\u308c\u306a\u30de\u30eb\u30a6\u30a7\u30a2\u3067\u3042\u308b\u3068\u8003\u3048\u3089\u308c\u307e\u3059\u3002<\/p>\n<p>\u653b\u6483\u8005\u306f\u3001<span style=\"font-family: 'courier new', courier, monospace;\">AcidBox<\/span>\u3068\u79c1\u305f\u3061\u304c\u547c\u3093\u3067\u3044\u308b(\u30de\u30eb\u30a6\u30a7\u30a2\u306e\u30c9\u30e9\u30a4\u30d0\u30c7\u30d0\u30a4\u30b9\u540d\u306e\u30a2\u30ca\u30b0\u30e9\u30e0\u3068VirtualBox\u306e\u7d44\u307f\u5408\u308f\u305b\u304b\u3089)\u3001\u305d\u308c\u307e\u3067\u306f\u77e5\u3089\u308c\u3066\u3044\u306a\u304b\u3063\u305f\u30de\u30eb\u30a6\u30a7\u30a2\u30d5\u30a1\u30df\u30ea\u3092\u60aa\u7528\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u30de\u30eb\u30a6\u30a7\u30a2\u306f\u8907\u96d1\u304b\u3064\u307e\u308c\u3067\u3042\u308a\u3001\u3088\u308a\u5927\u304d\u306a\u30c4\u30fc\u30eb\u30bb\u30c3\u30c8\u306e\u4e00\u90e8\u3067\u3042\u308b\u305f\u3081\u3001\u6a19\u7684\u578b\u653b\u6483\u7528\u306b\u9ad8\u5ea6\u306a\u653b\u6483\u8005\u306b\u3088\u308a\u4f7f\u7528\u3055\u308c\u305f\u3082\u306e\u3067\u3042\u308a\u3001\u653b\u6483\u8005\u304c\u307e\u3060\u6d3b\u52d5\u3057\u3066\u3044\u308c\u3070\u3053\u306e\u30de\u30eb\u30a6\u30a7\u30a2\u306f\u73fe\u5728\u3082\u307e\u3060\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u9ad8\u3044\u3068\u8003\u3048\u3089\u308c\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u3042\u308b\u7a0b\u5ea6\u66f8\u304d\u63db\u3048\u3089\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u4e88\u60f3\u3055\u308c\u307e\u3059\u3002\u79c1\u305f\u3061\u304c\u4fdd\u6301\u3057\u3066\u3044\u308b\u60c5\u5831\u304b\u3089\u3001\u4f7f\u7528\u3055\u308c\u305f\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u4ee5\u5916\u306f\u3001\u3053\u306e\u672a\u77e5\u306e\u653b\u6483\u8005\u306fTurla\u3068\u306f\u3064\u306a\u304c\u3063\u3066\u3044\u306a\u3044\u3068\u8003\u3048\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u306e\u304a\u5ba2\u69d8\u306f\u3001\u3053\u306e\u8105\u5a01\u304b\u3089\u4fdd\u8b77\u3055\u308c\u3066\u3044\u307e\u3059\u3002WildFire\u306e\u8105\u5a01\u9632\u5fa1\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u306f\u3001\u3053\u306e\u30de\u30eb\u30a6\u30a7\u30a2\u3092\u60aa\u610f\u306e\u3042\u308b\u3082\u306e\u3068\u3057\u3066\u8b58\u5225\u3057\u307e\u3059\u3002AutoFocus\u306e\u304a\u5ba2\u69d8\u306f\u3001AcidBox\u30bf\u30b0\u3092\u4f7f\u7528\u3057\u3066\u30de\u30eb\u30a6\u30a7\u30a2\u6d3b\u52d5\u3092\u8ffd\u8de1\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u653b\u6483\u306b\u5bfe\u3059\u308b\u653b\u6483\u8005\u30d7\u30ec\u30a4\u30d6\u30c3\u30af\u3082\u4f5c\u6210\u3057\u3001<a href=\"https:\/\/pan-unit42.github.io\/playbook_viewer\/?pb=temp-acidbox\">\u3053\u3061\u3089<\/a>\u3067\u516c\u958b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h4>\u672a\u77e5\u306e\u653b\u6483\u8005<\/h4>\n<p>2019\u5e742\u6708\u3001\u79c1\u305f\u3061\u306fTurla\u306eVirtualBox\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u3067\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u3063\u3066\u3044\u308b\u6587\u5b57\u5217\u3092\u542b\u3080\u3001AcidBox\u306e\u30b5\u30f3\u30d7\u30eb(SHA256: <span style=\"font-family: 'courier new', courier, monospace;\">eb30a1822bd6f503f8151cb04bfd315a62fa67dbfe1f573e6fcfd74636ecedd5<\/span>)\u304cVirusTotal\u306b\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u767a\u898b\u3057\u307e\u3057\u305f\u3002\u30b5\u30f3\u30d7\u30eb\u306e\u3088\u308a\u6df1\u3044\u5206\u6790\u306e\u7d50\u679c\u3001\u3053\u308c\u306f\u3044\u305a\u308c\u306e\u65e2\u77e5\u306e\u653b\u6483\u8005\u306b\u3082\u7d50\u3073\u4ed8\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u306a\u304b\u3063\u305f\u9ad8\u5ea6\u306a\u30de\u30eb\u30a6\u30a7\u30a2\u306e\u4e00\u90e8\u3067\u3042\u308b\u30e1\u30a4\u30f3 \u30ef\u30fc\u30ab\u30fc \u30e2\u30b8\u30e5\u30fc\u30eb\u3067\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3057\u305f\u3002<\/p>\n<p>\u79c1\u305f\u3061\u306fDr.Web\u793e\u306e\u30ea\u30b5\u30fc\u30c1\u30e3\u30fc\u3068\u5171\u540c\u8abf\u67fb\u3092\u884c\u3044\u3001\u3053\u306e\u30b5\u30f3\u30d7\u30eb\u304c2017\u5e74\u306b\u30ed\u30b7\u30a2\u3067\u4e0d\u7279\u5b9a\u306e\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u306b\u5bfe\u3059\u308b\u6a19\u7684\u578b\u653b\u6483\u3067\u4f7f\u7528\u3055\u308c\u305f\u3082\u306e\u3067\u3042\u308b\u3053\u3068\u3092\u7a81\u304d\u6b62\u3081\u307e\u3057\u305f\u3002\u540c\u793e\u306e\u30ea\u30b5\u30fc\u30c1\u30e3\u30fc\u305f\u3061\u306f\u540c\u3058\u30de\u30eb\u30a6\u30a7\u30a2\u30d5\u30a1\u30df\u30ea\u306e\u8ffd\u52a0\u306e\u30b5\u30f3\u30d7\u30eb\u30923\u3064\u63d0\u4f9b\u3057\u3066\u304f\u308c\u307e\u3057\u305f\u3002\u3053\u308c\u3089\u306e\u30e6\u30fc\u30b6\u30fc\u30e2\u30fc\u30c9\u30b5\u30f3\u30d7\u30eb\u306e\u3046\u3061\u306e2\u3064\u306f\u3001Windows\u30ec\u30b8\u30b9\u30c8\u30ea\u304b\u3089\u30e1\u30a4\u30f3\u30ef\u30fc\u30ab\u30fc\u3092\u30ed\u30fc\u30c9\u3059\u308b\u30e2\u30b8\u30e5\u30fc\u30eb\u3067\u3001\u6b8b\u308a1\u3064\u306f\u30e1\u30a4\u30f3\u30ef\u30fc\u30ab\u30fc\u306e\u30b5\u30f3\u30d7\u30eb\u306b\u57cb\u3081\u8fbc\u307e\u308c\u3066\u3044\u308b\u30ab\u30fc\u30cd\u30eb\u30e2\u30fc\u30c9 \u30da\u30a4\u30ed\u30fc\u30c9 \u30c9\u30e9\u30a4\u30d0\u3067\u3057\u305f\u3002\u79c1\u305f\u3061\u306f\u3055\u3089\u306b\u30ed\u30b7\u30a2\u306b\u672c\u793e\u3092\u7f6e\u304fKaspersky\u793e\u306b\u3082\u9023\u7d61\u3057\u307e\u3057\u305f\u3002Kaspersky\u793e\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u542b\u307e\u308c\u3066\u3044\u305f\u552f\u4e00\u306e\u8ffd\u52a0\u306e\u30b5\u30f3\u30d7\u30eb\u306f\u3001\u540c\u3058\u304f\u30e6\u30fc\u30b6\u30fc\u30e2\u30fc\u30c9 \u30ed\u30fc\u30c0\u30fc \u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u3057\u305f\u3002\u3053\u306e\u307b\u304b\u3001ESET\u793e\u306b\u3082\u9023\u7d61\u3057\u307e\u3057\u305f\u304c\u3001\u79c1\u305f\u3061\u540c\u69d8\u3001ESET\u793e\u3082\u540c\u30de\u30eb\u30a6\u30a7\u30a2\u306b\u3088\u308b\u611f\u67d3\u88ab\u5bb3\u8005\u3092\u767a\u898b\u3057\u3066\u3044\u307e\u305b\u3093\u3067\u3057\u305f\u3002\u3053\u306e\u3053\u3068\u304b\u3089\u3001\u3053\u308c\u306f\u6a19\u7684\u578b\u653b\u6483\u3067\u306e\u307f\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u975e\u5e38\u306b\u307e\u308c\u306a\u30de\u30eb\u30a6\u30a7\u30a2\u3067\u3042\u308b\u3068\u8003\u3048\u3089\u308c\u307e\u3059\u3002<\/p>\n<p>\u3059\u3079\u3066\u306e\u30b5\u30f3\u30d7\u30eb\u306b\u5171\u901a\u3057\u3066\u3044\u308b\u306e\u304c\u30012017\u5e745\u67089\u65e5\u3068\u3044\u3046\u30b3\u30f3\u30d1\u30a4\u30eb\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\u3067\u3059\u3002Kaspersky\u793e\u304c\u767a\u898b\u3057\u305f\u30b5\u30f3\u30d7\u30eb\u306f2017\u5e746\u6708\u306b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u767b\u9332\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u3053\u306e\u65e5\u4ed8\u306f\u6b63\u5f53\u306a\u3088\u3046\u3067\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u3053\u306e\u30de\u30eb\u30a6\u30a7\u30a2\u3092\u4f7f\u7528\u3057\u305f\u30ad\u30e3\u30f3\u30da\u30fc\u30f3\u306f2017\u5e74\u306b\u767a\u751f\u3057\u305f\u3068\u7d50\u8ad6\u4ed8\u3051\u3089\u308c\u307e\u3059\u3002\u3088\u308a\u65b0\u3057\u3044\u30b5\u30f3\u30d7\u30eb\u306f\u767a\u898b\u3067\u304d\u3066\u3044\u306a\u3044\u305f\u3081\u3001AcidBox\u304c\u4eca\u3082\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u306e\u304b\u3001\u307e\u305f\u3055\u3089\u306b\u767a\u5c55\u3057\u3066\u3044\u308b\u306e\u304b\u306f\u4e0d\u660e\u3067\u3059\u3002<\/p>\n<p>\u30b5\u30f3\u30d7\u30eb\u306e\u7279\u5b9a\u306e\u7279\u6027\u3092\u3059\u3079\u3066\u306e\u65e2\u77e5\u306e\u30de\u30eb\u30a6\u30a7\u30a2\u3068\u6bd4\u8f03\u3057\u307e\u3057\u305f\u304c\u3001\u660e\u78ba\u306a\u4e00\u81f4\u306f\u898b\u3064\u304b\u308a\u307e\u305b\u3093\u3067\u3057\u305f\u3002ProjectSauron\u306b\u3088\u308b\u30de\u30eb\u30a6\u30a7\u30a2\u3067\u3042\u308b<a href=\"https:\/\/securelist.com\/faq-the-projectsauron-apt\/75533\/\">Remsec<\/a>\u3068\u306f\u3001\u4ee5\u4e0b\u306b\u793a\u3059\u3088\u3046\u306a\u82e5\u5e72\u306e\u985e\u4f3c\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul style=\"list-style-type: disc;\">\n<li>DWORD\u30b5\u30a4\u30ba \u30c7\u30fc\u30bf \u30de\u30fc\u30ab\u30fc\u5024<\/li>\n<li>2\/3\u30ef\u30fc\u30c9\u3067\u69cb\u6210\u3055\u308c\u308b\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u95a2\u6570\u540d<\/li>\n<li>\u4f7f\u7528\u3055\u308c\u3066\u3044\u308bMS Visual C\/C++\u30b3\u30f3\u30d1\u30a4\u30e9<\/li>\n<li>\u5404\u7a2e\u306e\u30a4\u30f3\u30dd\u30fc\u30c8API\u95a2\u6570\u306e\u91cd\u8907<\/li>\n<li>\u81ea\u8eab\u306e\u672a\u7f72\u540d\u30c9\u30e9\u30a4\u30d0\u3092\u30ed\u30fc\u30c9\u3059\u308b\u305f\u3081\u306e\u8106\u5f31\u306a\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u88fd\u30c9\u30e9\u30a4\u30d0\u306e\u60aa\u7528<\/li>\n<li>\u4f7f\u7528\u3055\u308c\u3066\u3044\u308bzlib\u5727\u7e2e<\/li>\n<li>\u30ea\u30bd\u30fc\u30b9\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306e\u6a5f\u5bc6\u30c7\u30fc\u30bf\u306e\u6697\u53f7\u5316<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>\u305f\u3060\u3057\u3053\u308c\u3089\u306e\u4e8b\u5b9f\u3060\u3051\u3067\u306f\u3001\u30b5\u30f3\u30d7\u30eb\u304c\u653b\u6483\u8005ProjectSauron\u306b\u3088\u308b\u3082\u306e\u3067\u3042\u308b\u3068\u5224\u65ad\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002\u79c1\u305f\u3061\u306f\u3001\u672a\u77e5\u306e\u653b\u6483\u8005\u306b\u3088\u308b\u3082\u306e\u3067\u3042\u308b\u53ef\u80fd\u6027\u304c\u9ad8\u3044\u3068\u8003\u3048\u3066\u3044\u307e\u3059\u3002<\/p>\n<h4>VirtualBox\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u3068Turla\u306e\u30d0\u30fc\u30b8\u30e7\u30f3<\/h4>\n<p>CVE-2008-3431\u306b\u8a18\u8ff0\u3055\u308c\u3066\u3044\u308b\u5143\u306e\u8106\u5f31\u6027\u306f<a href=\"https:\/\/www.coresecurity.com\/content\/virtualbox-privilege-escalation-vulnerability\">Core Security<\/a>\u793e\u304c2008\u5e74\u306b\u767a\u898b\u3057\u305f\u3082\u306e\u3067\u3001VBoxDrv.sys\u306e\u30d0\u30fc\u30b8\u30e7\u30f31.6.2\u3068\u305d\u308c\u4ee5\u4e0b\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u5f71\u97ff\u3057\u307e\u3057\u305f\u3002\u30d0\u30fc\u30b8\u30e7\u30f31.6.4\u3067\u4fee\u6b63\u3055\u308c\u305f\u305f\u3081\u3001\u305d\u308c\u4ee5\u964d\u60aa\u7528\u3055\u308c\u308b\u3053\u3068\u306f\u306a\u304f\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n<figure style=\"width: 600px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/\/2020\/06\/Figure-1.-Vulnerable-and-patched-VirtualBox-device-dispatch-handler-routines-on-the-left-and-right-respectively.png\" rel=\"wpdevart_lightbox\"><img  class=\"wp-image-107591 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/\/2020\/06\/Figure-1.-Vulnerable-and-patched-VirtualBox-device-dispatch-handler-routines-on-the-left-and-right-respectively.png\" alt=\"\" width=\"600\" height=\"295\" \/><\/a><figcaption class=\"wp-caption-text\">\u56f31.\u8106\u5f31\u6027\u304c\u3042\u308bVirtualBox\u30c7\u30d0\u30a4\u30b9 \u30c7\u30a3\u30b9\u30d1\u30c3\u30c1 \u30cf\u30f3\u30c9\u30e9 \u30eb\u30fc\u30c1\u30f3(\u5de6)\u3068\u30d1\u30c3\u30c1\u304c\u9069\u7528\u3055\u308c\u305f\u30d0\u30fc\u30b8\u30e7\u30f3(\u53f3)<\/figcaption><\/figure>\n<p>\u5f53\u8a72\u306e\u8106\u5f31\u6027\u306f<span style=\"font-family: 'courier new', courier, monospace;\">VBoxDrvNtDeviceControl<\/span>\u3068\u547c\u3070\u308c\u308b\u30c7\u30a3\u30b9\u30d1\u30c3\u30c1\u30c7\u30d0\u30a4\u30b9\u5236\u5fa1\u30eb\u30fc\u30c1\u30f3\u306b\u5b58\u5728\u3057\u307e\u3059\u30021.6.4\u3088\u308a\u524d\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u30e2\u30fc\u30c9<span style=\"font-family: 'courier new', courier, monospace;\">DeviceIoControl<\/span> API\u95a2\u6570\u3092\u547c\u3073\u51fa\u3057\u3001\u5165\u51fa\u529b\u30d0\u30c3\u30d5\u30a1\u3068\u3057\u3066\u4e0a\u66f8\u304d\u3057\u305f\u3044\u30ab\u30fc\u30cd\u30eb\u30a2\u30c9\u30ec\u30b9\u3068\u3068\u3082\u306b\u4ee5\u4e0b\u306e\u3044\u305a\u308c\u304b\u306e\u5236\u5fa1\u30b3\u30fc\u30c9\u3092\u9001\u4fe1\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul style=\"list-style-type: disc;\">\n<li>SUP_IOCTL_FAST_DO_RAW_RUN<\/li>\n<li>SUP_IOCTL_FAST_DO_HM_RUN<\/li>\n<li>SUP_IOCTL_FAST_DO_NOP<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>\u30ab\u30fc\u30cd\u30eb\u30a2\u30c9\u30ec\u30b9\u306f\u30c1\u30a7\u30c3\u30af\u3082\u691c\u8a3c\u3082\u306a\u304f\u5236\u5fa1\u30cf\u30f3\u30c9\u30e9\u306b\u6e21\u3055\u308c(\u56f31\u5de6\u306e28\u884c\u76ee\u3092\u53c2\u7167)\u3001<span style=\"font-family: 'courier new', courier, monospace;\">supdrvIOCtlFast<\/span>\u306e\u623b\u308a\u5024\u304c\u633f\u5165\u3055\u308c\u307e\u3059(\u56f31\u5de6\u306e24\u884c\u76ee\u3092\u53c2\u7167)\u3002Core Security\u793e\u306e\u8106\u5f31\u6027\u8abf\u67fb\u306f\u3053\u3053\u307e\u3067\u3060\u3063\u305f\u306e\u3067\u3059\u304c\u3001Turla\u306f\u305d\u306e\u5f8c\u3082\u8abf\u67fb\u3092\u7d9a\u3051\u307e\u3057\u305f\u3002\u5143\u306e\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u3067\u306f\u3001<span style=\"font-family: 'courier new', courier, monospace;\">supdrvIOCtlFast<\/span>\u304b\u3089\u306e\u623b\u308a\u5024\u306f\u5236\u5fa1\u3055\u308c\u3066\u3044\u306a\u3044\u305f\u3081\u3001\u30ab\u30fc\u30cd\u30eb\u30a2\u30c9\u30ec\u30b9\u306b\u66f8\u304d\u8fbc\u307e\u308c\u308b\u30e9\u30f3\u30c0\u30e0\u306a\u5024\u3068\u306a\u308a\u307e\u3059\u3002Turla\u306e\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u3067\u306f\u3001\u5fc5\u8981\u306a\u5024\u3092\u8fd4\u3059\u7c21\u5358\u306a\u30b7\u30a7\u30eb\u30b3\u30fc\u30c9\u306b\u5b9f\u884c\u3092\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3059\u308b\u3088\u3046\u306b<span style=\"font-family: 'courier new', courier, monospace;\">supdrvIOCtlFast<\/span>\u306e\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u3092\u4e0a\u66f8\u304d\u3059\u308b\u3053\u3068\u3067\u623b\u308a\u5024\u3092\u5236\u5fa1\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306b\u3064\u3044\u3066\u306f\u3001<a href=\"https:\/\/www.kernelmode.info\/forum\/viewtopic7377.html?f=16&amp;t=3193&amp;start=10#p22357\">\u8907\u6570<\/a>\u306e<a href=\"https:\/\/www.virusbulletin.com\/virusbulletin\/2014\/05\/anatomy-turla-exploits\/\">\u8a18\u4e8b<\/a>\u3067\u8a73\u7d30\u306b\u89e3\u8aac\u3055\u308c\u3066\u304a\u308a\u3001\u30ea\u30d0\u30fc\u30b9\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u3055\u308c\u305f\u5b8c\u5168\u306a\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u30b3\u30fc\u30c9\u3082<a href=\"https:\/\/github.com\/hfiref0x\/DSEFix\">\u63d0\u4f9b<\/a>\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u30d1\u30c3\u30c1\u304c\u9069\u7528\u3055\u308c\u305f\u30d0\u30fc\u30b8\u30e7\u30f31.6.4(\u56f31\u53f3\u3092\u53c2\u7167)\u3067\u306f\u3001\u30ab\u30fc\u30cd\u30eb\u30a2\u30c9\u30ec\u30b9\u3092\u6e21\u3059\u3053\u3068\u306b\u3088\u308a\u60aa\u7528\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b<span style=\"font-family: 'courier new', courier, monospace;\">UserBuffer<\/span>\u30dd\u30a4\u30f3\u30bf\u306f\u4f7f\u7528\u3055\u308c\u306a\u304f\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u3001<span style=\"font-family: 'courier new', courier, monospace;\">rc<\/span>\u5909\u6570\u304c0\u4ee5\u4e0a\u3067\u3042\u308b\u304b\u304c\u30c1\u30a7\u30c3\u30af\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u306f\u30d1\u30c3\u30c1\u306b\u306f\u5fc5\u8981\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u30b5\u30cb\u30c6\u30a3\u30c1\u30a7\u30c3\u30af\u306e\u3088\u3046\u306a\u3082\u306e\u3067\u3059\u3002<\/p>\n<p>\u3053\u306e\u30d1\u30c3\u30c1\u3067\u30ab\u30fc\u30cd\u30eb\u30a2\u30c9\u30ec\u30b9\u3092\u4e0a\u66f8\u304d\u3059\u308b\u5143\u306e\u8106\u5f31\u6027\u306b\u3064\u3044\u3066\u306f\u4fee\u6b63\u3055\u308c\u307e\u3057\u305f\u304c\u3001<span style=\"font-family: 'courier new', courier, monospace;\">supdrvIOCtlFast<\/span>\u306e\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u306e\u5236\u5fa1\u3092\u53ef\u80fd\u306b\u3059\u308b\u3082\u3046\u4e00\u65b9\u306e\u8106\u5f31\u6027\u306f\u4fee\u6b63\u3055\u308c\u306a\u3044\u307e\u307e\u306b\u306a\u308a\u307e\u3057\u305f\u3002\u3053\u308c\u306f\u5f53\u6642Core Security\u793e\u306f\u307e\u3060\u3053\u306e\u8106\u5f31\u6027\u3092\u767a\u898b\u3057\u3066\u304a\u3089\u305a\u3001\u305d\u308c\u3092\u6570\u5e74\u5f8c\u306bTurla\u306e\u653b\u6483\u8005\u304c\u767a\u898b\u3057\u305f\u305f\u3081\u3067\u3059\u3002<\/p>\n<p>Turla\u306f\u73fe\u5728\u3082\u8106\u5f31\u306aVirtualBox\u30c9\u30e9\u30a4\u30d0v.1.6.2\u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u60aa\u7528\u3055\u308c\u3066\u3044\u308b\u306e\u306f\u30d1\u30c3\u30c1\u672a\u9069\u7528\u306e\u8106\u5f31\u6027\u306e\u307f\u3067\u3059\u3002Lastline\u793e\u304c\u3001Turla\u304c\u3053\u306e\u8106\u5f31\u6027\u3092\u60aa\u7528\u3059\u308b\u7406\u7531\u304a\u3088\u3073\u65b9\u6cd5\u306b\u3064\u3044\u3066<a href=\"https:\/\/www.lastline.com\/labsblog\/turla-apt-group-gives-their-kernel-exploit-a-makeover\/\">\u89e3\u8aac<\/a>\u3057\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u30ea\u30d0\u30fc\u30b9\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u3055\u308c\u305f\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u30b3\u30fc\u30c9\u304c\u3001<a href=\"https:\/\/github.com\/hfiref0x\/TDL\">Turla Driver Loader<\/a>\u3068\u3044\u3046\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u63d0\u4f9b\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u554f\u984c\u306f\u3001\u3053\u306e\u540c\u3058\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u3092\u3001\u308f\u305a\u304b\u306a\u4fee\u6b63\u3092\u52a0\u3048\u308b\u3060\u3051\u3067(\u3069\u306e\u3088\u3046\u306a\u4fee\u6b63\u304b\u306f\u3053\u3053\u3067\u306f\u516c\u958b\u3057\u307e\u305b\u3093\u304c)\u30013.0.0\u307e\u3067\u306e\u3059\u3079\u3066\u306eVBoxDrv.sys\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u60aa\u7528\u3067\u304d\u308b\u3068\u3044\u3046\u70b9\u3067\u3059\u3002\u672a\u77e5\u306e\u653b\u6483\u8005\u3082\u3053\u306e\u3053\u3068\u306b\u6c17\u4ed8\u304d\u307e\u3057\u305f\u30024.0\u672a\u6e80\u306eVirtualBox\u30d0\u30fc\u30b8\u30e7\u30f3\u306f\u516c\u5f0fWeb\u30b5\u30a4\u30c8\u3067\u306f\u63d0\u4f9b\u3055\u308c\u306a\u304f\u306a\u3063\u3066\u3044\u307e\u3059\u304c\u3001\u4e00\u90e8\u306e\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2 \u30c0\u30a6\u30f3\u30ed\u30fc\u30c9 \u30b5\u30a4\u30c8\u3067\u306f\u307e\u3060\u5165\u624b\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<p>\u30d0\u30fc\u30b8\u30e7\u30f33.0.0\u4ee5\u964d\u3001\u4e00\u90e8\u306e\u69cb\u9020\u3084\u30eb\u30fc\u30c1\u30f3\u304c\u5909\u66f4\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u3053\u306e\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u306f\u60aa\u7528\u3067\u304d\u306a\u304f\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u305f\u3060\u3057\u305d\u308c\u4ee5\u964d\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u3082\u3001\u4f55\u3089\u304b\u306e\u8abf\u6574\u3092\u52a0\u3048\u308b\u3053\u3068\u306b\u3088\u308a\u3001\u540c\u3058\u8106\u5f31\u6027\u304c\u60aa\u7528\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u306a\u3044\u3068\u306f\u8a00\u3044\u5207\u308c\u307e\u305b\u3093\u3002<\/p>\n<p>\u3055\u3089\u306b\u8208\u5473\u6df1\u3044\u306e\u306f\u3001Turla\u306e\u4f5c\u6210\u8005\u9054\u3082\u305d\u306e\u3053\u3068\u306b\u6c17\u4ed8\u3044\u3066\u3044\u306a\u3044\u3088\u3046\u3067\u3042\u308b\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002\u305d\u306e\u4ed6\u306e\u70b9\u3067\u306f\u6c17\u4ed8\u304b\u308c\u306b\u304f\u3044\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u3067\u3001\u672a\u3060\u306bVBoxDrv.sys v.1.6.2\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u306e\u3067\u3059\u3002\u3053\u306e\u30c9\u30e9\u30a4\u30d0\u306f\u3001\u30b2\u30fc\u30e0\u5185\u3067\u306e\u30c1\u30fc\u30c8\u306a\u3069\u3001\u60aa\u610f\u304c\u3042\u308b\u304b\u305d\u306e\u4ed6\u306e\u3044\u304b\u304c\u308f\u3057\u3044\u76ee\u7684\u3067\u4f7f\u7528\u3055\u308c\u308b\u3053\u3068\u304c\u3088\u304f\u77e5\u3089\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<h4>AcidBox\u306e\u6280\u8853\u5206\u6790<\/h4>\n<p>\u3053\u306e\u30de\u30eb\u30a6\u30a7\u30a2\u306f\u8907\u96d1\u306a\u30e2\u30b8\u30e5\u30fc\u30eb\u578b\u306e\u30c4\u30fc\u30eb\u30ad\u30c3\u30c8\u3067\u3042\u308a\u3001\u79c1\u305f\u3061\u306f\u305d\u306e\u4e00\u90e8\u3057\u304b\u5165\u624b\u3057\u3066\u3044\u307e\u305b\u3093\u3002\u5408\u8a08\u30674\u3064\u306e64\u30d3\u30c3\u30c8\u30e6\u30fc\u30b6\u30fc\u30e2\u30fc\u30c9DLL\u3068\u3001\u672a\u7f72\u540d\u306e\u30ab\u30fc\u30cd\u30eb\u30e2\u30fc\u30c9\u30c9\u30e9\u30a4\u30d0\u3092\u767a\u898b\u3057\u3066\u3044\u307e\u3059(SHA256: <span style=\"font-family: 'courier new', courier, monospace;\">3ef071e0327e7014dd374d96bed023e6c434df6f98cce88a1e7335a667f6749d<\/span>)\u30024\u3064\u306e\u30e6\u30fc\u30b6\u30fc\u30e2\u30fc\u30c9\u30b5\u30f3\u30d7\u30eb\u306e\u3046\u3061\u306e3\u3064\u306f\u540c\u4e00\u306e\u6a5f\u80fd\u3092\u6301\u3061\u3001\u30e1\u30a4\u30f3 \u30ef\u30fc\u30ab\u30fc \u30e2\u30b8\u30e5\u30fc\u30eb\u306b\u5bfe\u3059\u308b\u30ed\u30fc\u30c0\u30fc\u3067\u3059\u3002\u7570\u306a\u308b\u306e\u306f\u3001\u30d5\u30a1\u30a4\u30eb\u306e\u8aac\u660e\u3068\u3001\u57cb\u3081\u8fbc\u307e\u308c\u3001\u6697\u53f7\u5316\u3055\u308c\u305f\u30ec\u30b8\u30b9\u30c8\u30ea\u30d1\u30b9\u306e\u307f\u3067\u3059\u3002\u3053\u308c\u3089\u306e\u30ed\u30fc\u30c0\u30fc\u306f<a href=\"https:\/\/docs.microsoft.com\/en-us\/windows\/win32\/secauthn\/custom-security-packages\">\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u30b5\u30dd\u30fc\u30c8 \u30d7\u30ed\u30d0\u30a4\u30c0<\/a>(SSP)\u3068\u3057\u3066\u4f5c\u6210\u3055\u308c\u3066\u3044\u307e\u3059\u3002SSP\u306f\u3001\u5c11\u306a\u304f\u3068\u3082<span style=\"font-family: 'courier new', courier, monospace;\">SpLsaModeInitialize<\/span>\u95a2\u6570\u3092\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u3057\u3001\u901a\u5e38\u306f\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\/\u30b5\u30fc\u30d0\u30fc\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u9593\u306e\u8a8d\u8a3c\u306a\u3069\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30e1\u30ab\u30cb\u30ba\u30e0\u3092\u63d0\u4f9b\u3059\u308bDLL\u3067\u3059\u3002<a href=\"https:\/\/docs.microsoft.com\/en-us\/windows\/win32\/secauthn\/kerberos-ssp-ap\">Kerberos<\/a> (kerberos.dll)\u3084<a href=\"https:\/\/docs.microsoft.com\/en-us\/windows\/win32\/secauthn\/msv1-0-authentication-package\">NTLM<\/a> (msv1_0.dll)\u306a\u3069\u3001Windows\u3067\u306f\u3044\u304f\u3064\u304b\u306e\u6a19\u6e96SSP\u304c\u63d0\u4f9b\u3055\u308c\u3066\u3044\u307e\u3059\u3002SSP\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u306f\u3001\u30de\u30eb\u30a6\u30a7\u30a2\u306e\u6c38\u7d9a\u5316\u304a\u3088\u3073\u6ce8\u5165\u3092\u76ee\u7684\u3068\u3057\u3066\u60aa\u7528\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u6c38\u7d9a\u6027\u3092\u7dad\u6301\u3059\u308b\u305f\u3081\u306b\u306f\u3001SSP DLL\u3092Windows\u306e\u30b7\u30b9\u30c6\u30e0\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306b\u633f\u5165\u3057\u3001DLL\u306e\u540d\u524d\u3092<a href=\"https:\/\/docs.microsoft.com\/en-us\/windows\/win32\/secauthn\/registering-ssp-ap-dlls\">\u7279\u5b9a\u306e\u30ec\u30b8\u30b9\u30c8\u30ea\u5024<\/a>\u306b\u8ffd\u52a0\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u518d\u8d77\u52d5\u6642\u306bDLL\u304cWindows\u306elsass.exe\u30d7\u30ed\u30bb\u30b9\u306b\u30ed\u30fc\u30c9\u3055\u308c\u3001\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002SSP DLL\u3092lsass.exe\u306b\u6ce8\u5165\u3059\u308b\u3060\u3051\u3067\u3042\u308c\u3070\u3001\u5373\u6642\u30ed\u30fc\u30c9\u3092\u30c8\u30ea\u30ac\u30fc\u3059\u308bAPI\u95a2\u6570<a href=\"https:\/\/docs.microsoft.com\/en-us\/windows\/win32\/api\/sspi\/nf-sspi-addsecuritypackagea\">AddSecurityPackage<\/a>\u3092\u547c\u3073\u51fa\u3057\u307e\u3059\u3002\u3082\u3061\u308d\u3093\u3069\u3061\u3089\u306e\u65b9\u6cd5\u3067\u3082\u3001\u6700\u4f4e\u3067\u3082\u7ba1\u7406\u8005\u6a29\u9650\u304c\u5fc5\u8981\u3067\u3059\u3002SSP\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u3092\u60aa\u7528\u3057\u305f\u30de\u30eb\u30a6\u30a7\u30a2\u306e\u6700\u521d\u306e\u4e8b\u4f8b\u306f\u3001<a href=\"https:\/\/docplayer.net\/20839173-Analysis-of-malicious-security-support-provider-dlls.html\">2014<\/a>\u5e74\u306bMatt Graeber\u6c0f\u306b\u3088\u308a\u5831\u544a\u3055\u308c\u307e\u3057\u305f\u3002\u305d\u308c\u4ee5\u6765\u3001\u3053\u306e\u6c38\u7d9a\u5316\u3068\u6ce8\u5165\u306e\u30c8\u30ea\u30c3\u30af\u306f<a href=\"https:\/\/attack.mitre.org\/techniques\/T1101\/\">\u5e83\u304f\u77e5\u3089\u308c\u308b<\/a>\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u304c\u3001\u4eca\u3082\u30de\u30eb\u30a6\u30a7\u30a2\u3067\u306f\u307b\u3068\u3093\u3069\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3002<\/p>\n<p>3\u3064\u306eAcidBox SSP DLL\u3067\u306f\u3001\u3044\u305a\u308c\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u95a2\u9023\u306e\u64cd\u4f5c\u3082\u5229\u7528\u305b\u305a\u3001\u3053\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u3092\u7d14\u7c8b\u306b\u6ce8\u5165\u76ee\u7684\u3067\u3001\u307e\u305f\u304a\u305d\u3089\u304f\u306f\u6c38\u7d9a\u5316\u76ee\u7684\u3067\u3082\u60aa\u7528\u3057\u3066\u3044\u307e\u3059\u30023\u3064\u306eSSP\u306f\u305d\u308c\u305e\u308c\u3001Windows\u3067\u63d0\u4f9b\u3055\u308c\u3066\u3044\u308b\u6a19\u6e96\u30d1\u30c3\u30b1\u30fc\u30b8(<span style=\"font-family: 'courier new', courier, monospace;\">msv1_0.dll\u3001pku2u.dll\u3001wdigest.dll<\/span>)\u306b\u4f3c\u305f\u3001\u4ee5\u4e0b\u306e\u30d5\u30a1\u30a4\u30eb\u540d\u3092\u6301\u3061\u307e\u3059\u3002<\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul style=\"list-style-type: disc;\">\n<li>msv1_1.dll (SHA256: <span style=\"font-family: 'courier new', courier, monospace;\">b3166c417d49e94f3d9eab9b1e8ab853b58ba59f734f774b5de75ee631a9b66d<\/span>)<\/li>\n<li>pku.dll (SHA256: <span style=\"font-family: 'courier new', courier, monospace;\">3ad20ca49a979e5ea4a5e154962e7caff17e4ca4f00bec7f3ab89275fcc8f58c<\/span>)<\/li>\n<li>windigest.dll (SHA256: <span style=\"font-family: 'courier new', courier, monospace;\">003669761229d3e1db0f5a5b333ef62b3dffcc8e27c821ce9018362e0a2df7e9<\/span>)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<figure style=\"width: 600px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/\/2020\/06\/Figure-2.-Standard-SSP-DLLs-provided-in-Windows-7-present-in-the-\u201cSecurity-Packages\u201d-value.png\" rel=\"wpdevart_lightbox\"><img  class=\"wp-image-107594 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/\/2020\/06\/Figure-2.-Standard-SSP-DLLs-provided-in-Windows-7-present-in-the-\u201cSecurity-Packages\u201d-value.png\" alt=\"\" width=\"600\" height=\"355\" \/><\/a><figcaption class=\"wp-caption-text\">\u56f32.\u300cSecurity Packages\u300d\u5024\u306b\u6307\u5b9a\u3055\u308c\u3066\u3044\u308bWindows 7\u306e\u6a19\u6e96SSP DLL<\/figcaption><\/figure>\n<p>\u3053\u306e\u305f\u3081\u3001AcidBox SSP\u306f\u6c38\u7d9a\u5316\u76ee\u7684\u3067\u3082\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u3092\u60aa\u7528\u3057\u3066\u3044\u308b\u3068\u8003\u3048\u3066\u3044\u307e\u3059\u3002\u305f\u3060\u3057\u3001SSP DLL\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u5165\u624b\u3057\u3066\u3044\u306a\u3044\u305f\u3081\u3001\u3053\u308c\u306f\u78ba\u5b9f\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u308f\u304b\u3063\u3066\u3044\u308b\u306e\u306f\u3001SSP\u306f\u30ed\u30fc\u30c9\u3055\u308c\u308b\u30d7\u30ed\u30bb\u30b9\u30d1\u30b9\u304c\u30ea\u30bd\u30fc\u30b9\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u3059\u3079\u3066\u306e\u30b5\u30f3\u30d7\u30eb\u306b\u57cb\u3081\u8fbc\u307e\u308c\u3066\u3044\u308b\u30d1\u30b9\u3068\u4e00\u81f4\u3057\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u6700\u521d\u306b\u30c1\u30a7\u30c3\u30af\u3059\u308b\u305f\u3081\u3001SSP\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u306flsass.exe\u3078\u306e\u6ce8\u5165\u306b\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u3068\u3044\u3046\u3053\u3068\u3067\u3059(<span style=\"font-family: 'courier new', courier, monospace;\">C:\\WINDOWS\\SYSTEM32\\lsass.exe<\/span>)\u3002\u3053\u306e\u30d7\u30ed\u30bb\u30b9\u30d1\u30b9\u306f\u30ea\u30bd\u30fc\u30b9<span style=\"font-family: 'courier new', courier, monospace;\">4097<\/span>\u306b\u542b\u307e\u308c\u3066\u304a\u308a\u3001\u30b9\u30c6\u30ac\u30ce\u30b0\u30e9\u30d5\u30a3\u306b\u3088\u308a\u3069\u306e\u3088\u3046\u306b\u96a0\u3055\u308c\u3066\u3044\u308b\u304b\u306b\u3064\u3044\u3066\u306f\u5f8c\u3067\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n<p>AcidBox SSP DLL\u306e\u76ee\u7684\u306f\u3001\u5404\u30b5\u30f3\u30d7\u30eb\u306e\u30ea\u30bd\u30fc\u30b9<span style=\"font-family: 'courier new', courier, monospace;\">256<\/span>\u306b\u542b\u307e\u308c\u3066\u3044\u308b\u30ec\u30b8\u30b9\u30c8\u30ea\u5024\u304b\u3089\u30e1\u30a4\u30f3 \u30ef\u30fc\u30ab\u30fc \u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u30ed\u30fc\u30c9\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u30e1\u30a4\u30f3\u30ef\u30fc\u30ab\u30fcDLL\u304c\u30ec\u30b8\u30b9\u30c8\u30ea\u306b\u3069\u306e\u3088\u3046\u306b\u683c\u7d0d\u3055\u308c\u305f\u306e\u304b\u306f\u308f\u304b\u308a\u307e\u305b\u3093\u304c\u3001SSP DLL\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u305f\u306e\u3068\u540c\u3058\u3001\u79c1\u305f\u3061\u304c\u5165\u624b\u3057\u3066\u3044\u306a\u3044\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u3088\u308a\u5b9f\u884c\u3055\u308c\u305f\u3068\u8003\u3048\u3089\u308c\u307e\u3059\u3002\u307e\u305f\u3001\u3053\u308c\u3089\u306e\u30b5\u30f3\u30d7\u30eb\u306e1\u3064\u306b\u306f\u7570\u306a\u308b\u30ec\u30b8\u30b9\u30c8\u30ea\u30ad\u30fc\u304c\u57cb\u3081\u8fbc\u307e\u308c\u3066\u3044\u305f\u305f\u3081\u30013\u3064\u306eSSP DLL\u306f\u5225\u3005\u306e\u30b7\u30b9\u30c6\u30e0\u304b\u3089\u306e\u3082\u306e\u3067\u3042\u308b\u3068\u60f3\u5b9a\u3055\u308c\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u3053\u308c\u3089\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u306f\u30b7\u30b9\u30c6\u30e0\u3067\u552f\u4e00\u76ee\u306b\u898b\u3048\u308b\u90e8\u5206\u3067\u3042\u308a\u3001\u30ed\u30fc\u30c9\u3055\u308c\u308b\u30e1\u30a4\u30f3 \u30ef\u30fc\u30ab\u30fc \u30e2\u30b8\u30e5\u30fc\u30eb\u306f\u30ec\u30b8\u30b9\u30c8\u30ea\u3067\u6697\u53f7\u5316\u3055\u308c\u305f\u307e\u307e\u3067\u3042\u308b\u305f\u3081\u3001\u9078\u629e\u3055\u308c\u3066\u3044\u308b\u30d5\u30a1\u30a4\u30eb\u540d\u3068\u540c\u69d8\u306b\u3001\u305d\u308c\u305e\u308c\u4f55\u3089\u304b\u306e\u9055\u3044\u304c\u3042\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u30e1\u30a4\u30f3\u30ef\u30fc\u30ab\u30fc\u306f\u3001\u30c7\u30fc\u30bfBLOB\u306eCRC32\u30cf\u30c3\u30b7\u30e5\u306a\u3069\u306e\u5404\u7a2e\u306e\u30e1\u30bf\u30c7\u30fc\u30bf\u3084\u3001\u542b\u307e\u308c\u3066\u3044\u308b\u30c7\u30fc\u30bf\u306e\u30bf\u30a4\u30d7\u3092\u793a\u3059\u30de\u30b8\u30c3\u30af \u30d0\u30a4\u30c8 \u30b7\u30fc\u30b1\u30f3\u30b9\u3092\u542b\u3080\u30c7\u30fc\u30bfBLOB\u5185\u3067\u6697\u53f7\u5316\u3055\u308c\u3066\u30ec\u30b8\u30b9\u30c8\u30ea\u306b\u683c\u7d0d\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u30c7\u30fc\u30bf\u3092\u30ad\u30fc<span style=\"font-family: 'courier new', courier, monospace;\">0xCA<\/span>\u3068\u5358\u306bXOR\u3059\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u3001SSP DLL\u306b\u3088\u308a\u30ec\u30b8\u30b9\u30c8\u30ea\u304b\u3089\u5fa9\u53f7\u5316\u3055\u308c\u308b\u3068\u3001\u30e1\u30a4\u30f3\u30ef\u30fc\u30ab\u30fcDLL\u306f\u30e1\u30e2\u30ea\u304b\u3089\u30ed\u30fc\u30c9\u3055\u308c\u308b\u3088\u3046\u306b\u6e96\u5099\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u30e2\u30b8\u30e5\u30fc\u30eb\u306b\u5bfe\u3059\u308b\u30b9\u30ec\u30c3\u30c9\u3092\u4f5c\u6210\u3057\u3001\u30e1\u30a4\u30f3\u30ef\u30fc\u30ab\u30fc\u306e\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u95a2\u6570<span style=\"font-family: 'courier new', courier, monospace;\">UpdateContext<\/span>\u3092\u958b\u59cb\u30a2\u30c9\u30ec\u30b9\u3068\u3057\u3066\u4f7f\u7528\u3059\u308b\u3053\u3068\u306b\u3088\u308a\u884c\u308f\u308c\u307e\u3059\u3002\u30e1\u30a4\u30f3 \u30ef\u30fc\u30ab\u30fc \u30e2\u30b8\u30e5\u30fc\u30eb\u306fVirtualBox\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u3092\u4f7f\u7528\u3057\u3066\u672a\u7f72\u540d\u306e\u30de\u30eb\u30a6\u30a7\u30a2\u30c9\u30e9\u30a4\u30d0\u3092\u30ed\u30fc\u30c9\u3057\u3001\u79c1\u305f\u3061\u304c\u5165\u624b\u3057\u3066\u3044\u306a\u30441\u3064\u307e\u305f\u306f\u8907\u6570\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u304b\u3089\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5f85\u6a5f\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30b3\u30de\u30f3\u30c9\u306b\u306f\u3001\u30c9\u30e9\u30a4\u30d0\u306b\u3088\u308b\u30ab\u30fc\u30cd\u30eb\u7a7a\u9593\u306e\u30ec\u30b8\u30b9\u30c8\u30ea\u304b\u3089\u306e\u8ffd\u52a0\u306e\u30da\u30a4\u30ed\u30fc\u30c9\u306e\u30ed\u30fc\u30c9\u3084\u3001\u65b0\u305f\u306aSSP DLL\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3092\u884c\u3046\u3082\u306e\u306a\u3069\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u30e1\u30a4\u30f3\u30ef\u30fc\u30ab\u30fc\u306b\u306f\u3001<span style=\"font-family: 'courier new', courier, monospace;\">InitMainStartup<\/span>\u3068<span style=\"font-family: 'courier new', courier, monospace;\">UpdateContext<\/span>\u3068\u3044\u30462\u3064\u306e\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u95a2\u6570\u304c\u3042\u308a\u307e\u3059\u3002\u4ee5\u4e0b\u306e\u6587\u5b57\u5217\u304c\u5e73\u6587\u3067\u542b\u307e\u308c\u307e\u3059\u3002<\/p>\n<pre class=\"lang:default decode:true\">%s\\%s\r\n%s\\%s{%s}\r\n%s\\[[%s]]\r\n%s.dll\r\n%s%s%s.dll\r\n\\\\.\\PCIXA_CFGDEV\r\nInitEntry\r\nInitExit\r\nThe Magic Word!\r\nntoskrnl.exe\r\nntkrn\r\nntkrp\r\nhal.dll\r\nntoskrnl\r\nntkrnlpa.exe\r\n%s%s%s\r\nGroup\r\nCount\r\nNextInstance\r\nRoot\\LEGACY_NULL\\0000<\/pre>\n<p>\u4ee5\u4e0b\u306e\u8ffd\u52a0\u306e\u6587\u5b57\u5217\u304c\u30b9\u30bf\u30c3\u30af\u96e3\u8aad\u5316\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<pre class=\"lang:default decode:true\">SeLoadDriverPrivilege\r\n%s\\%c*.dll\r\nSystem\\CurrentControlSet\\Control\\\r\nNtQueryInformationThread\r\nBFE_Notify_Event_\r\nMicrosoft\\Cryptography\r\nntdll.dll\r\n\\Registry\\Machine\\\r\nSOFTWARE\r\nGlobal\r\n%s\\%s\r\nSecurity Packages\r\nkernel32.dll\r\nSOFTWARE\r\n\\Registry\\Machine\\\r\nMachineGuid\r\nntdll.dll<\/pre>\n<p>\u5f8c\u3067\u52d5\u7684\u306b\u89e3\u6c7a\u3055\u308c\u3066\u4f7f\u7528\u3055\u308c\u308b\u3001XOR\u30a8\u30f3\u30b3\u30fc\u30c9\u3055\u308c\u305fDLL\u304a\u3088\u3073\u95a2\u6570\u540d\u3082\u542b\u307e\u308c\u307e\u3059\u3002<\/p>\n<pre class=\"lang:default decode:true\">ntdll.RtlGetVersion\r\nntdll.ZwLoadDriver\r\nntdll.ZwUnloadDriver\r\nntdll.ZwQuerySystemInformation\r\nkernel32.DeviceIoControl\r\nkernel32.GetSystemDirectoryA\r\nntdll.RtlAnsiStringToUnicodeString\r\nntdll.ZwClose\r\nntdll.ZwCreateFile\r\nntdll.ZwQueryInformationFile\r\nntdll.ZwReadFile\r\nntdll.ZwWriteFile\r\nkernel32.GetSystemDirectoryA\r\nkernel32.GetSystemDirectoryW\r\nkernel32.BaseThreadInitThunk\r\nkernel32.LZDone\r\nadvapi32.CryptAcquireContextA\r\nadvapi32.CryptGenRandom\r\nadvapi32.CryptReleaseContext\r\nntdll.RtlRbInsertNodeEx\r\nntdll.RtlRbRemoveNode\r\nntdll.RtlAcquireSRWLockExclusive\r\nntdll.RtlReleaseSRWLockExclusive\r\nntdll.RtlEnterCriticalSection\r\nntdll.RtlPcToFileHeader\r\nntdll.RtlGetVersion\r\nntdll.RtlUpcaseUnicodeChar\r\nntdll.RtlAnsiStringToUnicodeString\r\nntdll.LdrLockLoaderLock\r\nntdll.LdrUnlockLoaderLock\r\nntdll.ZwClose\r\nntdll.ZwCreateSection\r\nntdll.ZwMapViewOfSection\r\nntdll.ZwUnmapViewOfSection<\/pre>\n<p>\u3059\u3079\u3066\u306e\u6a5f\u80fd\u306f2\u3064\u306e\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u95a2\u6570\u306b\u542b\u307e\u308c\u3066\u304a\u308a\u3001<span style=\"font-family: 'courier new', courier, monospace;\">DllMain<\/span>\u306b\u306f\u95a2\u9023\u3059\u308b\u30b3\u30fc\u30c9\u306f\u542b\u307e\u308c\u3066\u3044\u307e\u305b\u3093\u3002\u76ee\u306b\u4ed8\u304f\u306e\u304c\u3001\u30b3\u30fc\u30c9\u5168\u4f53\u3067\u30ab\u30b9\u30bf\u30e0DWORD\u30b5\u30a4\u30ba\u306e\u30b9\u30c6\u30fc\u30bf\u30b9\u30b3\u30fc\u30c9\u304c\u591a\u7528\u3055\u308c\u3066\u3044\u308b\u70b9\u3067\u3059\u3002<span style=\"font-family: 'courier new', courier, monospace;\">result<\/span>\u5909\u6570\u306b\u30b9\u30c6\u30fc\u30bf\u30b9\u30b3\u30fc\u30c9\u304c\u6307\u5b9a\u3055\u308c\u3066\u3044\u308b\u3001\u9006\u30b3\u30f3\u30d1\u30a4\u30eb\u3055\u308c\u305f\u30b3\u30fc\u30c9\u306e\u4f8b:<\/p>\n<pre class=\"lang:default decode:true\">\u2026\r\nif ( !a1 || !a2 || !(_DWORD)v3 )\r\n{\r\n     result = 0xA0032B02;\r\n     goto LABEL_45;\r\n}\r\nif ( strlen(a1) &lt;= 1 )\r\n     goto LABEL_65;\r\nresult = get_kernel32_path(a1, &amp;v43, &amp;v37, &amp;v41);\r\nif ( result )\r\n     goto LABEL_45;\r\nif ( (unsigned int)v3 &lt; 0x1C )\r\n{\r\n     LABEL_65:\r\n     result = 0xA0032B02;\r\n     goto LABEL_45;\r\n}\r\npBuffer = allocate_buffer(v13, (unsigned int)v3, 0i64, v11, 0, 1);\r\nbuffer = pBuffer;\r\nif ( !pBuffer )\r\n{\r\n     LABEL_9:\r\n     result = 0xA0032B04;\r\n     goto LABEL_45;\r\n}\r\nif ( memcpy_s(pBuffer, v3, a2, v3) )\r\n{\r\n     LABEL_11:\r\n     result = 0xA0032B06;\r\n     goto LABEL_45;\r\n}\r\n\u2026<\/pre>\n<p>\u30e1\u30a4\u30f3\u30ef\u30fc\u30ab\u30fc\u306e\u30b5\u30f3\u30d7\u30eb\u306b\u306f\u3001<span style=\"font-family: 'courier new', courier, monospace;\">16<\/span>\u3001<span style=\"font-family: 'courier new', courier, monospace;\">256<\/span>\u3001<span style=\"font-family: 'courier new', courier, monospace;\">4097<\/span>\u3001<span style=\"font-family: 'courier new', courier, monospace;\">8193<\/span>\u3001<span style=\"font-family: 'courier new', courier, monospace;\">12289<\/span>\u3068\u3044\u3046\u6709\u52b9\u306a\u30a2\u30a4\u30b3\u30f3\u3092\u6301\u30645\u3064\u306e\u30a2\u30a4\u30b3\u30f3\u30ea\u30bd\u30fc\u30b9\u304c\u542b\u307e\u308c\u307e\u3059\u3002\u5404\u540d\u524d\u306f\u7570\u306a\u308b\u30a2\u30a4\u30b3\u30f3\u89e3\u50cf\u5ea6\u3092\u8868\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u4ed8\u52a0\u3055\u308c\u3066\u3044\u308b\u6697\u53f7\u5316\u30c7\u30fc\u30bf\u304c\u7570\u306a\u308b\u3060\u3051\u3067\u3001\u3053\u308c\u306f\u30b9\u30c6\u30ac\u30ce\u30b0\u30e9\u30d5\u30a3\u306e\u4e00\u5f62\u614b\u3068\u898b\u306a\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u30c7\u30fc\u30bf\u306f\u30ab\u30b9\u30bf\u30e0\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3067\u6697\u53f7\u5316\u3055\u308c\u3001\u3055\u3089\u306bzlib\u5727\u7e2e\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u540c\u3058\u624b\u6cd5\u306fSSP DLL\u5185\u3067\u3082\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u5fa9\u53f7\u5316\u304a\u3088\u3073\u89e3\u51cd\u7528\u306ePython\u30b9\u30af\u30ea\u30d7\u30c8\u306b\u3064\u3044\u3066\u306f\u3001\u4ed8\u9332\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u5fa9\u53f7\u5316\u5f8c\u3001\u30c7\u30fc\u30bfBLOB\u306e\u69cb\u9020\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"lang:default decode:true\">struct data_blob {\r\n     DWORD marker;    \/\/ Marker bytes (0x9A65659A)\r\n     DWORD crc32;    \/\/ CRC32 value of decrypted or zlib uncompressed \r\nbytes\r\n     DWORD size;     \/\/ Size of decrypted or zlib uncompressed bytes\r\n     DWORD option;    \/\/ Information if data is encrypted or zlib \r\ncompressed; 0x1 = encrypted, 0x2 = zlib compressed\r\n     char data[];    \/\/ Encrypted or zlib compressed data\r\n};<\/pre>\n<p>\u5fa9\u53f7\u5316\u3055\u308c\u305f\u30c7\u30fc\u30bf\u306f\u4ee5\u4e0b\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<p>\u30ea\u30bd\u30fc\u30b9<span style=\"font-family: 'courier new', courier, monospace;\">16<\/span>:<\/p>\n<pre class=\"lang:default decode:true\">System\\CurrentControlSet\\Control\\Class\\{4D36E97D-E325-11CE-BFC1-08002B\r\nE10318}\\0003\\DriverData<\/pre>\n<p>\u30ea\u30bd\u30fc\u30b9<span style=\"font-family: 'courier new', courier, monospace;\">256<\/span>:<\/p>\n<pre class=\"lang:default decode:true\">System\\CurrentControlSet\\Control\\Class\\{4D36E96A-E325-11CE-BFC1-08002B\r\nE10318}\\0000\\DriverData<\/pre>\n<p>\u30ea\u30bd\u30fc\u30b9<span style=\"font-family: 'courier new', courier, monospace;\">16<\/span>\u3068<span style=\"font-family: 'courier new', courier, monospace;\">256<\/span>\u306f\u3001\u30ea\u30bd\u30fc\u30b9<span style=\"font-family: 'courier new', courier, monospace;\">8193<\/span>\u5185\u306b\u57cb\u3081\u8fbc\u307e\u308c\u305f\u30c9\u30e9\u30a4\u30d0\u304a\u3088\u3073AcidBox\u30c9\u30e9\u30a4\u30d0\u306b\u3088\u308a\u6ce8\u5165\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u9ad8\u3044\u8ffd\u52a0\u306e\u30da\u30a4\u30ed\u30fc\u30c9\u306b\u5bfe\u3059\u308b\u5fa9\u53f7\u5316\u30ad\u30fc\u3092\u542b\u3080Windows\u30ec\u30b8\u30b9\u30c8\u30ea\u30ad\u30fc\u3067\u3059\u3002<\/p>\n<p>\u30ea\u30bd\u30fc\u30b9<span style=\"font-family: 'courier new', courier, monospace;\">4097<\/span>:<\/p>\n<pre class=\"lang:default decode:true \">C:\\WINDOWS\\SYSTEM32\\lsass.exe<\/pre>\n<p>\u3053\u306e\u30ea\u30bd\u30fc\u30b9\u306b\u306f\u3001\u81ea\u8eab\u304c\u6b63\u3057\u3044\u30d7\u30ed\u30bb\u30b9\u306b\u30ed\u30fc\u30c9\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u691c\u8a3c\u3059\u308b\u305f\u3081\u306b\u5404\u30b5\u30f3\u30d7\u30eb\u304c\u4f7f\u7528\u3059\u308b\u30d7\u30ed\u30bb\u30b9\u306e\u30d1\u30b9\u304c\u542b\u307e\u308c\u307e\u3059\u3002\u30ea\u30bd\u30fc\u30b9<span style=\"font-family: 'courier new', courier, monospace;\">8193<\/span>\u306b\u306f\u3001RSA\u306b\u3088\u3063\u3066\u6697\u53f7\u5316\u3055\u308c\u3066\u3044\u308b\u672a\u7f72\u540d\u306e\u30ab\u30fc\u30cd\u30eb\u30e2\u30fc\u30c9 \u30da\u30a4\u30ed\u30fc\u30c9 \u30c9\u30e9\u30a4\u30d0\u304c\u542b\u307e\u308c\u307e\u3059\u3002\u30c9\u30e9\u30a4\u30d0\u306f\u30012\u3064\u306e\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u95a2\u6570<span style=\"font-family: 'courier new', courier, monospace;\">InitEntry<\/span>\u3068<span style=\"font-family: 'courier new', courier, monospace;\">InitExit<\/span>\u3092\u6301\u3064\u30ab\u30fc\u30cd\u30eb\u30e2\u30fc\u30c9DLL\u3068\u3057\u3066\u5b9f\u73fe\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u4ee5\u4e0b\u306e\u5e73\u6587\u6587\u5b57\u5217\u304c\u542b\u307e\u308c\u307e\u3059\u3002<\/p>\n<pre class=\"lang:default decode:true\">ntoskrnl.exe\r\nntkrn\r\nntkrp\r\nhal.dll\r\nntoskrnl\r\nntkrnlpa.exe\r\ncsrss.exe\r\nPsCreateSystemThread\r\n\\Device\\VBoxDrv\r\n\\DosDevices\\PCIXA_CFGDEV\r\n\\Windows\\ApiPort\r\n\\Sessions\\%u\\Windows\\ApiPort\r\n\\Sessions\\xxxxxxxx\\Windows\\ApiPort\r\n\\Device\\PCIXA_CFG\r\n\\DosDevices\\PCIXA_CFGDEV<\/pre>\n<p>\u30ea\u30bd\u30fc\u30b9<span style=\"font-family: 'courier new', courier, monospace;\">12289<\/span>\u306b\u306f\u3001\u540c\u69d8\u306b\u8106\u5f31\u3067\u3042\u308b\u3068\u65e2\u8ff0\u3057\u305f\u3001<span style=\"font-family: 'courier new', courier, monospace;\">Sun Microsystems<\/span>\u793e\u306b\u3088\u308a\u7f72\u540d\u3055\u308c\u305fVirtualBox VBoxDrv.sys\u30c9\u30e9\u30a4\u30d0v2.2.0.0\u304c\u542b\u307e\u308c\u307e\u3059\u3002<\/p>\n<figure style=\"width: 600px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/\/2020\/06\/Figure-3.-Signed-vulnerable-VBoxDrv.sys-driver-version-2.2.0.0.png\" rel=\"wpdevart_lightbox\"><img  class=\"wp-image-107597 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/\/2020\/06\/Figure-3.-Signed-vulnerable-VBoxDrv.sys-driver-version-2.2.0.0.png\" alt=\"AcidBox\u306e\u7f72\u540d\u3055\u308c\u305f\u8106\u5f31\u306aVBoxDrv.sys\u30c9\u30e9\u30a4\u30d0\u30d0\u30fc\u30b8\u30e7\u30f32.2.0.0\" width=\"600\" height=\"381\" \/><\/a><figcaption class=\"wp-caption-text\">\u56f33.\u7f72\u540d\u3055\u308c\u305f\u8106\u5f31\u306aVBoxDrv.sys\u30c9\u30e9\u30a4\u30d0\u30d0\u30fc\u30b8\u30e7\u30f32.2.0.0<\/figcaption><\/figure>\n<h4>PE\u30d8\u30c3\u30c0\u306b\u3064\u3044\u3066\u306e\u79d1\u5b66\u7684\u306a\u3053\u307c\u308c\u8a71<\/h4>\n<p>\u79c1\u305f\u3061\u306f\u30b5\u30f3\u30d7\u30eb\u306e\u8abf\u67fb\u6642\u306b\u3001\u79d1\u5b66\u7684\u30a4\u30f3\u30b8\u30b1\u30fc\u30bf\u3068\u3057\u3066\u898b\u9003\u3055\u308c\u308b\u3053\u3068\u306e\u591a\u3044PE\u30d8\u30c3\u30c0\u7279\u6027\u306b\u6ce8\u76ee\u3057\u307e\u3057\u305f\u3002\u3053\u306e\u3042\u307e\u308a\u77e5\u3089\u308c\u3066\u3044\u306a\u3044\u4e8b\u5b9f\u306f\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306b\u3042\u308a\u3001\u30de\u30eb\u30a6\u30a7\u30a2\u30b5\u30f3\u30d7\u30eb\u306e\u7279\u5b9a\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002\u3059\u3079\u3066\u306eAcidBox\u30b5\u30f3\u30d7\u30eb\u3067\u306f\u3001\u5358\u4e00\u306e\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u95a2\u6570\u306e\u30a8\u30f3\u30c8\u30ea\u9593\u306b\u30ae\u30e3\u30c3\u30d7\u304c\u542b\u307e\u308c\u307e\u3059\u3002<\/p>\n<figure style=\"width: 600px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/\/2020\/06\/Figure-4.-Export-directories-of-AcidBox-samples-with-gaps-between-the-export-function-entries.png\" rel=\"wpdevart_lightbox\"><img  class=\"wp-image-107601 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/\/2020\/06\/Figure-4.-Export-directories-of-AcidBox-samples-with-gaps-between-the-export-function-entries.png\" alt=\"AcidBox\u30b5\u30f3\u30d7\u30eb\u306e\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\" width=\"600\" height=\"323\" \/><\/a><figcaption class=\"wp-caption-text\">\u56f34.\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u95a2\u6570\u306e\u30a8\u30f3\u30c8\u30ea\u9593\u306b\u30ae\u30e3\u30c3\u30d7\u304c\u542b\u307e\u308c\u308bAcidBox\u30b5\u30f3\u30d7\u30eb\u306e\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u30c7\u30a3\u30ec\u30af\u30c8\u30ea<\/figcaption><\/figure>\n<p>\u3059\u3079\u3066\u306eAcidBox\u30b5\u30f3\u30d7\u30eb\u306b\u306f\u3001\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306b<span style=\"font-family: 'courier new', courier, monospace;\">NumberOfFunctions<\/span>\u5024\u304c\u3042\u308a\u3001\u3053\u308c\u306f<span style=\"font-family: 'courier new', courier, monospace;\">NumberOfNames<\/span>\u5024\u3088\u308a\u3082\u5927\u304d\u304f\u306a\u308a\u307e\u3059\u3002\u3059\u3079\u3066\u306e\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u95a2\u6570\u306b\u540d\u524d\u304c\u4ed8\u3044\u3066\u3044\u308b\u5fc5\u8981\u306f\u306a\u3044\u305f\u3081\u3001\u3053\u308c\u306f\u73cd\u3057\u3044\u3053\u3068\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u540d\u524d\u306e\u306a\u3044\u95a2\u6570\u306f<a href=\"https:\/\/docs.microsoft.com\/en-us\/cpp\/build\/exporting-functions-from-a-dll-by-ordinal-rather-than-by-name?view=vs-2019\">\u5e8f\u6570<\/a>\u5024\u3067\u547c\u3073\u51fa\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4e00\u822c\u7684\u3067\u306a\u3044\u306e\u306f\u3001\u540d\u524d\u306e\u306a\u3044\u95a2\u6570\u30a8\u30f3\u30c8\u30ea\u304c0\u306b\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u4f7f\u7528\u3055\u308c\u3066\u3044\u306a\u3044\u3068\u3044\u3046\u70b9\u3067\u3059\u3002<\/p>\n<p>\u3053\u308c\u306f\u3001DLL\u30d5\u30a1\u30a4\u30eb\u306e\u5c5e\u6027\u3092\u8a18\u8ff0\u3059\u308b\u305f\u3081\u306b\u3001<a href=\"https:\/\/docs.microsoft.com\/en-us\/cpp\/build\/exporting-from-a-dll-using-declspec-dllexport?view=vs-2019\">__declspec(dllexport)<\/a>\u306e\u4ee3\u308f\u308a\u306b\u72ec\u81ea\u306e<a href=\"https:\/\/docs.microsoft.com\/en-us\/cpp\/build\/exporting-from-a-dll-using-def-files?view=vs-2019\">DEF\u30d5\u30a1\u30a4\u30eb<\/a>\u3092\u4f7f\u7528\u3057\u305f\u7d50\u679c\u767a\u751f\u3057\u307e\u3059\u3002DEF\u30d5\u30a1\u30a4\u30eb\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u306b\u306f\u3001\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u95a2\u6570\u306b\u5272\u308a\u5f53\u3066\u308b\u5e8f\u6570\u3092\u9078\u629e\u3067\u304d\u307e\u3059\u3002Visual Studio\u30b3\u30f3\u30d1\u30a4\u30e9\u3067\u306f\u95a2\u6570\u306b\u306f\u5fc5\u305a1\u304b\u3089\u756a\u53f7\u304c\u5272\u308a\u5f53\u3066\u3089\u308c\u308b\u305f\u3081\u3001<span style=\"font-family: 'courier new', courier, monospace;\">__declspec(dllexport)<\/span>\u3067\u306f\u3053\u308c\u306f\u53ef\u80fd\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<p><span style=\"font-family: 'courier new', courier, monospace;\">__declspec(dllexport)<\/span>\u306e\u4ee3\u308f\u308a\u306bDEF\u30d5\u30a1\u30a4\u30eb\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u306b\u306f\u3044\u304f\u3064\u304b\u306e\u30e1\u30ea\u30c3\u30c8\u304c\u3042\u308a\u307e\u3059\u3002\u5e8f\u6570\u3092\u4f7f\u7528\u3057\u305f\u95a2\u6570\u306e\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u3084\u3001<a 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VBoxDrv.sys 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href=\"https:\/\/github.com\/pan-unit42\/iocs\/tree\/master\/AcidBox\">\u3053\u3061\u3089<\/a>(Unit 42\u306eGitHub\u30ea\u30dd\u30b8\u30c8\u30ea)\u304b\u3089\u5165\u624b\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u8105\u5a01\u306b\u3064\u3044\u3066\u3055\u3089\u306b\u60c5\u5831\u3092\u304a\u6301\u3061\u3067\u3042\u308c\u3070\u3001\u5f0a\u793e\u306b\u3054\u9023\u7d61\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u306e\u304a\u5ba2\u69d8\u306f\u3001\u3053\u306e\u30de\u30eb\u30a6\u30a7\u30a2\u304b\u3089\u4fdd\u8b77\u3055\u308c\u3066\u3044\u307e\u3059\u3002WildFire\u306e\u8105\u5a01\u9632\u5fa1\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u306f\u3001\u3053\u306e\u30de\u30eb\u30a6\u30a7\u30a2\u3092\u60aa\u610f\u306e\u3042\u308b\u3082\u306e\u3068\u3057\u3066\u8b58\u5225\u3057\u307e\u3059\u3002AutoFocus\u306e\u304a\u5ba2\u69d8\u306f\u3001<a href=\"https:\/\/autofocus.paloaltonetworks.com\/#\/tag\/Unit42.AcidBox\">AcidBox<\/a>\u30bf\u30b0\u3092\u4f7f\u7528\u3057\u3066\u3053\u306e\u6d3b\u52d5\u3092\u8abf\u67fb\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>Dr.Web\u793e\u3001Kaspersky\u793e\u3001ESET\u793e\u3001\u304a\u3088\u3073<a href=\"https:\/\/twitter.com\/hfiref0x\">hFireF0X<\/a>\u306e\u3054\u5354\u529b\u306b\u611f\u8b1d\u3044\u305f\u3057\u307e\u3059\u3002<\/p>\n<h4>IOC<\/h4>\n<h5><strong>Windows\u306esystem32\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306e\u30d5\u30a1\u30a4\u30eb<\/strong><\/h5>\n<ul>\n<li>msv1_1.dll<\/li>\n<li>pku.dll<\/li>\n<li>windigest.dll<\/li>\n<\/ul>\n<h5><strong>\u30df\u30e5\u30fc\u30c6\u30c3\u30af\u30b9<\/strong><\/h5>\n<ul>\n<li>Global\\BFE_Event_{xxxxxxxxxxxx--xxxx-xxxxxxxx-xxxxxxxx}<\/li>\n<li>Global\\{xxxxxxxxxxxx--xxxx-xxxxxxxx-xxxxxxxx}<\/li>\n<\/ul>\n<p>\u3053\u306e\u30de\u30eb\u30a6\u30a7\u30a2\u306f\u3001\u30ec\u30b8\u30b9\u30c8\u30ea\u306b\u683c\u7d0d\u3055\u308c\u3066\u3044\u308bMachineGuid\u3092\u53d6\u308a\u51fa\u3057\u3001\u672b\u5c3e\u304b\u3089\u5148\u982d\u3001\u305d\u3057\u3066\u5148\u982d\u304b\u3089\u672b\u5c3e\u3068\u5207\u308a\u66ff\u3048\u306a\u304c\u3089\u3001\u500b\u3005\u306e\u6587\u5b57\u30921\u3064\u7f6e\u304d\u306b\u4e26\u3079\u66ff\u3048\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001MachineGuid\u6587\u5b57\u5217<span style=\"font-family: 'courier new', courier, monospace;\">a9982d3e-c859-4702-c761-df7eea468ade<\/span>\u306f<span style=\"font-family: 'courier new', courier, monospace;\">e9a86daeecf5--67c2-07419d87-e34289da<\/span>\u306b\u5909\u66f4\u3055\u308c\u3001\u4e0a\u8a18\u306e\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u306b\u4ed8\u52a0\u3055\u308c\u307e\u3059\u3002<\/p>\n<h5><strong>Windows\u30ec\u30b8\u30b9\u30c8\u30ea<\/strong><\/h5>\n<ul>\n<li>HKEY_LOCAL_MACHINE\\System\\CurrentControlSet\\Control\\Class\\{4D36E97D-E325-11CE-BFC1-08002BE10318}\\0003\\DriverData (REG_BINARY type)<\/li>\n<li>HKEY_LOCAL_MACHINE\\System\\CurrentControlSet\\Control\\Class\\{4D36E96A-E325-11CE-BFC1-08002BE10318}\\0000\\DriverData (REG_BINARY type)<\/li>\n<li>HKEY_LOCAL_MACHINE\\System\\CurrentControlSet\\Control\\Class\\{4D36E969-E325-11CE-BFC1-08002BE10318}\\0000\\DriverData (REG_BINARY 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