{"id":135620,"date":"2024-07-16T03:00:51","date_gmt":"2024-07-16T10:00:51","guid":{"rendered":"https:\/\/unit42.paloaltonetworks.com\/?p=135620"},"modified":"2024-07-23T16:34:32","modified_gmt":"2024-07-23T23:34:32","slug":"apk-badpack-malware-tampered-headers","status":"publish","type":"post","link":"https:\/\/origin-unit42.paloaltonetworks.com\/ja\/apk-badpack-malware-tampered-headers\/","title":{"rendered":"BadPack \u306b\u3054\u7528\u5fc3: Android \u30a2\u30d7\u30ea\u306e\u5947\u5999\u306a\u5206\u6790\u56de\u907f\u30c8\u30ea\u30c3\u30af"},"content":{"rendered":"<h2><a id=\"post-135394-_h6nsmbyscwfl\"><\/a>\u6982\u8981<\/h2>\n<p>\u672c\u7a3f\u3067\u306f\u3001BadPack Android \u30de\u30eb\u30a6\u30a7\u30a2\u306e\u6700\u8fd1\u306e\u30b5\u30f3\u30d7\u30eb\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u3001\u3053\u306e\u8105\u5a01\u306e\u6539\u3056\u3093\u3055\u308c\u305f\u30d8\u30c3\u30c0\u30fc\u304c\u30de\u30eb\u30a6\u30a7\u30a2\u5206\u6790\u3092\u59a8\u5bb3\u3059\u308b\u4ed5\u7d44\u307f\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002\u307e\u305f\u3001\u3055\u307e\u3056\u307e\u306a\u7121\u6599\u30c4\u30fc\u30eb\u306e\u6709\u52b9\u6027\u306b\u3064\u3044\u3066\u3082\u691c\u8a0e\u3057\u3001BadPack Android Package Kit (APK) \u30d5\u30a1\u30a4\u30eb\u3092\u5206\u6790\u3059\u308b\u3055\u3044\u306b\u305d\u308c\u3089\u304c\u5229\u7528\u3067\u304d\u308b\u304b\u3069\u3046\u304b\u3092\u898b\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<p>\u8fd1\u5e74\u306e\u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u60c5\u52e2\u3067\u306f\u60aa\u610f\u306e\u3042\u308b Android \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u6fc0\u5897\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u50be\u5411\u306e\u4e3b\u305f\u308b\u8981\u56e0\u306e 1 \u3064\u304c\u3001BadPack \u30d5\u30a1\u30a4\u30eb\u3068\u3057\u3066\u30d0\u30f3\u30c9\u30eb\u3055\u308c\u308b APK \u30b5\u30f3\u30d7\u30eb\u3067\u3059\u3002<\/p>\n<p>BadPack \u306f\u3001\u610f\u56f3\u7684\u306b\u60aa\u8cea\u306a\u65b9\u6cd5\u3067\u30d1\u30c3\u30b1\u30fc\u30b8\u5316\u3055\u308c\u305f APK \u30d5\u30a1\u30a4\u30eb\u3067\u3059\u3002\u307b\u3068\u3093\u3069\u306e\u5834\u5408\u3001\u305d\u308c\u306f\u300cAPK \u30d5\u30a1\u30a4\u30eb\u306e\u5727\u7e2e\u30d5\u30a1\u30a4\u30eb\u5f62\u5f0f\u306b\u4f7f\u308f\u308c\u308b\u30d8\u30c3\u30c0\u30fc\u60c5\u5831\u3092\u653b\u6483\u8005\u304c\u60aa\u610f\u3092\u6301\u3063\u3066\u5909\u66f4\u3057\u305f\u300d\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002<\/p>\n<p>\u3053\u3046\u3057\u305f\u30d8\u30c3\u30c0\u30fc\u6539\u3056\u3093\u306f BadPack \u306e\u4e3b\u306a\u7279\u5fb4\u306e 1 \u3064\u3067\u3001\u3053\u308c\u3089\u306e\u30b5\u30f3\u30d7\u30eb\u306f\u305f\u3044\u3066\u3044\u3001Android \u306e\u30ea\u30d0\u30fc\u30b9 \u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0 \u30c4\u30fc\u30eb\u3092\u4f7f\u3063\u3066\u306e\u89e3\u6790\u304c\u3057\u3065\u3089\u304f\u306a\u308a\u307e\u3059\u3002<a href=\"https:\/\/malpedia.caad.fkie.fraunhofer.de\/details\/apk.bianlian\" target=\"_blank\" rel=\"noopener\">BianLian<\/a>\u3001<a href=\"https:\/\/malpedia.caad.fkie.fraunhofer.de\/details\/apk.cerberus\" target=\"_blank\" rel=\"noopener\">Cerberus<\/a>\u3001<a href=\"https:\/\/malpedia.caad.fkie.fraunhofer.de\/details\/apk.anatsa\" target=\"_blank\" rel=\"noopener\">TeaBot<\/a> \u306a\u3069 Android \u30d9\u30fc\u30b9 \u30d0\u30f3\u30ad\u30f3\u30b0 \u30c8\u30ed\u30fc\u30b8\u30e3\u30f3 (\u30d0\u30f3\u30ad\u30f3\u30b0\u578b\u30c8\u30ed\u30a4\u306e\u6728\u99ac) \u306e\u591a\u304f\u304c BadPack \u3092\u4f7f\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<a href=\"https:\/\/www.paloaltonetworks.jp\/network-security\/advanced-wildfire\" target=\"_blank\" rel=\"noopener\">Advanced WildFire<\/a>\u3001<a href=\"https:\/\/www.paloaltonetworks.jp\/network-security\/dns-security\" target=\"_blank\" rel=\"noopener\">Advanced DNS Security<\/a>\u3001<a href=\"https:\/\/www.paloaltonetworks.jp\/network-security\/advanced-url-filtering\" target=\"_blank\" rel=\"noopener\">Advanced URL Filtering<\/a> \u306a\u3069\u306e <a href=\"https:\/\/www.paloaltonetworks.jp\/network-security\/security-subscriptions\" target=\"_blank\" rel=\"noopener\">Cloud-Delivered Security Services (\u30af\u30e9\u30a6\u30c9\u914d\u4fe1\u578b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u30b5\u30fc\u30d3\u30b9) <\/a>\u3092\u6709\u52b9\u306b\u3057\u305f<a href=\"https:\/\/www.paloaltonetworks.jp\/network-security\/next-generation-firewall\" target=\"_blank\" rel=\"noopener\">\u6b21\u4e16\u4ee3\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb (NGFW) <\/a> \u306b\u3088\u308a\u3001BadPack \u306e APK \u30b5\u30f3\u30d7\u30eb\u304b\u3089\u3088\u308a\u9069\u5207\u306b\u4fdd\u8b77\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u5f0a\u793e\u306f\u3053\u308c\u3089\u306e\u8abf\u67fb\u7d50\u679c\u3092 Google \u306b\u5831\u544a\u6e08\u307f\u3067\u3059\u3002Google \u306e\u73fe\u5728\u306e\u691c\u51fa\u7d50\u679c\u306b\u3088\u308b\u3068\u3001\u3053\u306e\u30de\u30eb\u30a6\u30a7\u30a2\u3092\u542b\u3080\u30a2\u30d7\u30ea\u306f Google Play \u306b\u306f\u898b\u3064\u304b\u3063\u3066\u3044\u307e\u305b\u3093\u3002Android \u30e6\u30fc\u30b6\u30fc\u306f\u3001\u3053\u306e\u30de\u30eb\u30a6\u30a7\u30a2\u306e\u65e2\u77e5\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u304b\u3089 <a href=\"https:\/\/support.google.com\/googleplay\/answer\/2812853?hl=ja\" target=\"_blank\" rel=\"noopener\">Google Play \u30d7\u30ed\u30c6\u30af\u30c8<\/a>\u306b\u3088\u308a\u81ea\u52d5\u7684\u306b\u4fdd\u8b77\u3055\u308c\u3066\u3044\u307e\u3059\u3002Google Play \u30d7\u30ed\u30c6\u30af\u30c8\u306f\u3001Google Play \u958b\u767a\u8005\u30b5\u30fc\u30d3\u30b9\u3092\u642d\u8f09\u3057\u305f Android \u30c7\u30d0\u30a4\u30b9\u3067\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u30aa\u30f3\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002Google Play \u30d7\u30ed\u30c6\u30af\u30c8\u306f\u3001\u60aa\u610f\u306e\u3042\u308b\u52d5\u4f5c\u3092\u793a\u3059\u3053\u3068\u304c\u308f\u304b\u3063\u3066\u3044\u308b\u30a2\u30d7\u30ea\u306b\u3064\u3044\u3066\u3001\u305f\u3068\u3048\u305d\u308c\u304c Google Play \u30b9\u30c8\u30a2\u4ee5\u5916\u306e\u30bd\u30fc\u30b9\u304b\u3089\u63d0\u4f9b\u3055\u308c\u3066\u3044\u308b\u3082\u306e\u3067\u3042\u3063\u3066\u3082\u3001\u30e6\u30fc\u30b6\u30fc\u306b\u8b66\u544a\u3057\u305f\u308a\u3001\u30a2\u30d7\u30ea\u3092\u30d6\u30ed\u30c3\u30af\u3057\u305f\u308a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u4fb5\u5bb3\u306e\u61f8\u5ff5\u304c\u3042\u308a\u5f0a\u793e\u306b\u30a4\u30f3\u30b7\u30c7\u30f3\u30c8\u30ec\u30b9\u30dd\u30f3\u30b9\u306b\u95a2\u3059\u308b\u3054\u76f8\u8ac7\u3092\u306a\u3055\u308a\u305f\u3044\u5834\u5408\u306f\u3001<a href=\"https:\/\/start.paloaltonetworks.jp\/contact-unit42.html\" target=\"_blank\" rel=\"noopener\">\u3053\u3061\u3089<\/a>\u306e\u554f\u3044\u5408\u308f\u305b\u30d5\u30a9\u30fc\u30e0\u304b\u3089\u3054\u9023\u7d61\u3044\u305f\u3060\u304f\u304b\u3001infojapan@paloaltonetworks.com \u307e\u3067\u96fb\u5b50\u30e1\u30fc\u30eb\u306b\u3066\u304a\u554f\u3044\u5408\u308f\u305b\u304f\u3060\u3055\u3044 (\u3054\u76f8\u8ac7\u306f\u5f0a\u793e\u88fd\u54c1\u306e\u304a\u5ba2\u3055\u307e\u306b\u306f\u9650\u5b9a\u3055\u308c\u307e\u305b\u3093)\u3002<\/p>\n<table style=\"width: 100%;\">\n<thead>\n<tr>\n<td style=\"width: 35%;\"><b>\u95a2\u9023\u3059\u308b Unit 42 \u306e\u30c8\u30d4\u30c3\u30af<\/b><\/td>\n<td style=\"width: 100%;\"><a href=\"https:\/\/unit42.paloaltonetworks.jp\/tag\/android-apk-ja\/\" target=\"_blank\" rel=\"noopener\"><b>Android APK<\/b><\/a><\/td>\n<\/tr>\n<\/thead>\n<\/table>\n<h2><a id=\"post-135394-_iqspca2w2xfa\"><\/a>\u80cc\u666f<\/h2>\n<p>APK \u30d5\u30a1\u30a4\u30eb\u306f Android \u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0 \u30b7\u30b9\u30c6\u30e0 (OS) \u3067\u4f7f\u308f\u308c\u308b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u3001\u3053\u306e APK \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306f ZIP \u30a2\u30fc\u30ab\u30a4\u30d6\u5f62\u5f0f\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u306b\u306f <span style=\"font-family: 'courier new', courier, monospace;\">AndroidManifest.xml<\/span> \u3068\u3044\u3046\u540d\u524d\u306e\u30d5\u30a1\u30a4\u30eb\u304c\u5165\u3063\u3066\u3044\u307e\u3059\u304c\u3001\u3053\u308c\u304c <a href=\"https:\/\/developer.android.com\/guide\/topics\/manifest\/manifest-intro?hl=ja\" target=\"_blank\" rel=\"noopener\">Android \u306e\u30de\u30cb\u30d5\u30a7\u30b9\u30c8<\/a> \u30d5\u30a1\u30a4\u30eb\u3067\u3001\u3053\u306e\u30d5\u30a1\u30a4\u30eb\u306b\u306f\u30a2\u30fc\u30ab\u30a4\u30d6\u306e\u30b3\u30f3\u30c6\u30f3\u30c4\u306b\u95a2\u3059\u308b\u30c7\u30fc\u30bf\u3068\u6307\u793a\u304c\u4fdd\u5b58\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e <span style=\"font-family: 'courier new', courier, monospace;\">AndroidManifest.xml<\/span> \u306b\u306f\u3001APK \u30d9\u30fc\u30b9\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3001\u3068\u304f\u306b APK \u306e\u30de\u30eb\u30a6\u30a7\u30a2 \u30b5\u30f3\u30d7\u30eb\u306b\u95a2\u3059\u308b\u8cb4\u91cd\u306a\u60c5\u5831\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002BadPack APK \u30d5\u30a1\u30a4\u30eb\u306f\u3001\u653b\u6483\u8005\u304c ZIP \u30d8\u30c3\u30c0\u30fc \u30c7\u30fc\u30bf\u3092\u6539\u3056\u3093\u3059\u308b\u3053\u3068\u3067\u3001\u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u5206\u6790\u3092\u963b\u6b62\u3057\u3088\u3046\u3068\u3059\u308b\u3082\u306e\u3067\u3059\u3002<\/p>\n<p>BadPack APK \u30d5\u30a1\u30a4\u30eb\u304b\u3089\u3001<a href=\"https:\/\/apktool.org\/\" target=\"_blank\" rel=\"noopener\">Apktool<\/a> \u3084 <a href=\"https:\/\/github.com\/skylot\/jadx#jadx\" target=\"_blank\" rel=\"noopener\">jadx<\/a> \u306e\u3088\u3046\u306a\u5206\u6790\u30c4\u30fc\u30eb\u3092\u4f7f\u3063\u3066\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u62bd\u51fa\u3059\u308b\u306e\u306f\u96e3\u3057\u3044\u3053\u3068\u304c\u591a\u3044\u3067\u3059\u3002\u4f8b\u3048\u3070 Apktool \u306f\u672c\u7a3f\u5f8c\u534a\u3067\u53d6\u308a\u4e0a\u3052\u308b BadPack APK \u30b5\u30f3\u30d7\u30eb\u306e 1 \u3064\u3067 <span style=\"font-family: 'courier new', courier, monospace;\">AndroidManifest.xml<\/span> \u306e\u62bd\u51fa\u306b\u5931\u6557\u3057\u305f\u3053\u3068\u304c\u78ba\u8a8d\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>2023 \u5e74 6 \u6708\u304b\u3089 2024 \u5e74 6 \u6708\u307e\u3067\u306e BadPack APK \u30d5\u30a1\u30a4\u30eb\u306b\u3064\u3044\u3066\u3001Advanced WildFire \u306e\u691c\u51fa\u30c6\u30ec\u30e1\u30c8\u30ea\u30fc\u3092\u30ec\u30d3\u30e5\u30fc\u3057\u305f\u3068\u3053\u308d\u3001\u4e00\u81f4\u3059\u308b\u30b5\u30f3\u30d7\u30eb\u304c\u7d04 9,200 \u4ef6\u898b\u3064\u304b\u308a\u307e\u3057\u305f\u3002\u56f3 1 \u306e\u30b0\u30e9\u30d5\u306b\u6708\u5225\u306e\u691c\u51fa\u3092\u30ea\u30b9\u30c8\u3057\u307e\u3057\u305f\u304c\u3001\u3053\u3053\u304b\u3089\u306f\u3053\u306e\u671f\u9593\u306e BadPack \u306e\u50be\u5411\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_135569\" aria-describedby=\"caption-attachment-135569\" style=\"width: 700px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-135569 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/word-image-986938-135536-1.png\" alt=\"\u753b\u50cf 1 \u306f\u30012023 \u5e74 6 \u6708\u304b\u3089 2024 \u5e74 6 \u6708\u307e\u3067\u306e\u9593\u306b Advanced WildFire \u3067\u89b3\u6e2c\u3055\u308c\u305f BadPack \u306e\u6570\u306e\u68d2\u30b0\u30e9\u30d5\u3067\u3059\u30022024 \u5e74 5 \u6708\u306b\u98db\u3073\u629c\u3051\u3066\u6570\u304c\u5897\u3048\u3066\u3044\u307e\u3059\u3002 \" width=\"700\" height=\"433\" srcset=\"https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/word-image-986938-135536-1.png 2048w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/word-image-986938-135536-1-712x440.png 712w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/word-image-986938-135536-1-1132x700.png 1132w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/word-image-986938-135536-1-768x475.png 768w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/word-image-986938-135536-1-1536x950.png 1536w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><figcaption id=\"caption-attachment-135569\" class=\"wp-caption-text\">\u56f3 1. Advanced WildFire \u306b\u3088\u308b BadPack \u306e\u691c\u51fa\u6570 (2023 \u5e74 6 \u6708\u301c 2024 \u5e74 6 \u6708)<\/figcaption><\/figure>\n<p>Advanced WildFire \u304c\u767a\u898b\u3057\u305f\u30b5\u30f3\u30d7\u30eb\u306e\u6570\u304b\u3089\u306f\u3001BadPack APK \u30de\u30eb\u30a6\u30a7\u30a2\u304c\u6ce8\u76ee\u3059\u3079\u304d\u8105\u5a01\u3067\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002\u3053\u306e\u8105\u5a01\u306b\u5bfe\u6297\u3059\u308b\u306b\u306f BadPack \u3092\u3088\u308a\u6df1\u304f\u7406\u89e3\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>BadPack \u306f\u901a\u5e38\u306e\u62bd\u51fa\u6280\u8853\u3092\u963b\u6b62\u3057\u307e\u3059\u3002\u305d\u3057\u3066 APK\u30a2\u30fc\u30ab\u30a4\u30d6\u306e\u6700\u91cd\u8981\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306f Android\u30de\u30cb\u30d5\u30a7\u30b9\u30c8\u306a\u306e\u3067\u3001\u307e\u305a\u306f APK \u30a2\u30fc\u30ab\u30a4\u30d6\u5185\u306e <span style=\"font-family: 'courier new', courier, monospace;\">AndroidManifest.xml<\/span> \u306e\u5f79\u5272\u3092\u7406\u89e3\u3059\u308b\u3068\u3053\u308d\u304b\u3089\u59cb\u3081\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h2><a id=\"post-135394-_movlla8m42js\"><\/a>Android \u30de\u30cb\u30d5\u30a7\u30b9\u30c8<\/h2>\n<p>Android \u30de\u30cb\u30d5\u30a7\u30b9\u30c8 \u30d5\u30a1\u30a4\u30eb <span style=\"font-family: 'courier new', courier, monospace;\">AndroidManifest.xml<\/span> \u306f APK \u30b5\u30f3\u30d7\u30eb\u5185\u306b\u57cb\u3081\u8fbc\u307e\u308c\u3066\u3044\u308b\u91cd\u8981\u306a\u69cb\u6210\u30d5\u30a1\u30a4\u30eb\u3067\u3059\u3002\u3053\u306e\u30de\u30cb\u30d5\u30a7\u30b9\u30c8\u306f\u3001\u30e2\u30d0\u30a4\u30eb \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u95a2\u3059\u308b\u91cd\u8981\u306a\u60c5\u5831\u3092 Android \u30c7\u30d0\u30a4\u30b9 \u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0 \u30b7\u30b9\u30c6\u30e0\u306b\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u60c5\u5831\u306b\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u958b\u59cb\u3059\u308b<a href=\"https:\/\/developer.android.com\/reference\/android\/app\/Activity\" target=\"_blank\" rel=\"noopener\">\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3<\/a>\u3068\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u5b9f\u884c\u3059\u308b<a href=\"https:\/\/developer.android.com\/reference\/android\/app\/Service\" target=\"_blank\" rel=\"noopener\">\u30b5\u30fc\u30d3\u30b9<\/a>\u3092\u51e6\u7406\u3059\u308b\u30d1\u30c3\u30b1\u30fc\u30b8 \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u30de\u30cb\u30d5\u30a7\u30b9\u30c8\u306b\u306f\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u6b63\u3057\u304f\u52d5\u4f5c\u3055\u305b\u308b\u305f\u3081\u306b\u30e6\u30fc\u30b6\u30fc\u304c\u8a31\u53ef\u3059\u3079\u304d<a href=\"https:\/\/developer.android.com\/guide\/topics\/manifest\/uses-permission-element\" target=\"_blank\" rel=\"noopener\">\u6a29\u9650<\/a>\u3068\u3001\u3069\u306e<a href=\"https:\/\/developer.android.com\/guide\/topics\/manifest\/uses-sdk-element\" target=\"_blank\" rel=\"noopener\">\u30d0\u30fc\u30b8\u30e7\u30f3<\/a>\u306e Android \u3067\u305d\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u7a3c\u50cd\u3055\u305b\u308b\u306e\u304b\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>Android \u30de\u30cb\u30d5\u30a7\u30b9\u30c8\u306e\u62bd\u51fa\u3001\u8aad\u307f\u53d6\u308a\u3001\u51e6\u7406\u306f\u3001APK \u30b5\u30f3\u30d7\u30eb\u306e\u9759\u7684\u5206\u6790\u306e\u6700\u521d\u306e\u30b9\u30c6\u30c3\u30d7\u3067\u3059\u3002\u3053\u306e\u305f\u3081\u30de\u30eb\u30a6\u30a7\u30a2\u306e\u4f5c\u8005\u3089\u306f\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u30a2\u30ca\u30ea\u30b9\u30c8\u306b\u3088\u308b\u3053\u308c\u3089\u306e\u6d3b\u52d5\u306e\u9632\u6b62\u3092\u72d9\u3044\u307e\u3059\u3002\u5f7c\u3089\u306f APK \u30d5\u30a1\u30a4\u30eb\u306e ZIP \u30a2\u30fc\u30ab\u30a4\u30d6\u5f62\u5f0f\u3067\u4f7f\u308f\u308c\u308b\u30d8\u30c3\u30c0\u30fc\u3092\u6539\u3056\u3093\u3059\u308b\u3053\u3068\u3067\u3053\u308c\u3092\u5b9f\u73fe\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2><a id=\"post-135394-_47bpqw5nq7b6\"><\/a>ZIP \u30d5\u30a1\u30a4\u30eb\u306e\u69cb\u9020<\/h2>\n<p>ZIP \u5f62\u5f0f\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u30e6\u30fc\u30b6\u30fc\u306f\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u5727\u7e2e\u3057\u3066\u5358\u4e00\u306e\u30a2\u30fc\u30ab\u30a4\u30d6 \u30d5\u30a1\u30a4\u30eb\u306b\u307e\u3068\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002ZIP \u30d5\u30a1\u30a4\u30eb\u306e\u30ec\u30a4\u30a2\u30a6\u30c8\u306b\u306f\u4e3b\u8981\u30d8\u30c3\u30c0\u30fc \u30bf\u30a4\u30d7\u304c 2 \u7a2e\u985e\u542b\u307e\u308c\u3066\u3044\u3066\u3001\u3053\u308c\u3089\u304c\u30a2\u30fc\u30ab\u30a4\u30d6\u306e\u69cb\u9020\u3068\u5185\u5bb9\u3092\u6307\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u30ed\u30fc\u30ab\u30eb \u30d5\u30a1\u30a4\u30eb \u30d8\u30c3\u30c0\u30fc<\/li>\n<li>\u30bb\u30f3\u30c8\u30e9\u30eb \u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc \u30d5\u30a1\u30a4\u30eb \u30d8\u30c3\u30c0\u30fc<\/li>\n<\/ul>\n<p>\u30de\u30eb\u30a6\u30a7\u30a2\u306e\u4f5c\u8005\u3089\u304c\u3053\u308c\u3089\u30d8\u30c3\u30c0\u30fc\u5185\u306e\u30d5\u30a3\u30fc\u30eb\u30c9\u3092\u5909\u66f4\u3059\u308b\u3053\u3068\u3067\u3001\u30a2\u30ca\u30ea\u30b9\u30c8\u306f APK \u30d5\u30a1\u30a4\u30eb\u306e\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u62bd\u51fa\u3067\u304d\u306a\u304f\u306a\u308a\u307e\u3059\u3002\u305d\u306e\u7d50\u679c\u3001\u305d\u306e APK \u30d5\u30a1\u30a4\u30eb\u3092 Android \u30c7\u30d0\u30a4\u30b9\u4e0a\u3067\u5b9f\u884c\u3059\u308b\u3053\u3068\u3082\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h3><a id=\"post-135394-_aofhrwdzqxkj\"><\/a>\u30ed\u30fc\u30ab\u30eb \u30d5\u30a1\u30a4\u30eb \u30d8\u30c3\u30c0\u30fc<\/h3>\n<p>\u30ed\u30fc\u30ab\u30eb \u30d5\u30a1\u30a4\u30eb \u30d8\u30c3\u30c0\u30fc\u306f\u3001ZIP \u30a2\u30fc\u30ab\u30a4\u30d6\u306b\u542b\u307e\u308c\u308b\u500b\u3005\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u8868\u3057\u307e\u3059\u3002ZIP \u30a2\u30fc\u30ab\u30a4\u30d6\u306b\u306f\u5c11\u306a\u304f\u3068\u3082 1 \u3064\u306e\u30d5\u30a1\u30a4\u30eb\u304c\u542b\u307e\u308c\u3001ZIP \u30a2\u30fc\u30ab\u30a4\u30d6\u306e\u6700\u521d\u306e\u30d0\u30a4\u30c8\u306f\u5e38\u306b\u30ed\u30fc\u30ab\u30eb \u30d5\u30a1\u30a4\u30eb \u30d8\u30c3\u30c0\u30fc\u3067\u59cb\u307e\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e ZIP \u30a2\u30fc\u30ab\u30a4\u30d6\u306b\u5225\u306e\u30d5\u30a1\u30a4\u30eb\u304c\u542b\u307e\u308c\u308b\u5834\u5408\u3001\u3053\u306e\u30ed\u30fc\u30ab\u30eb \u30d5\u30a1\u30a4\u30eb \u30d8\u30c3\u30c0\u30fc\u69cb\u9020\u304c ZIP \u30a2\u30fc\u30ab\u30a4\u30d6\u306e\u5f8c\u308d\u306e\u65b9\u306b\u7e70\u308a\u8fd4\u3057\u73fe\u308c\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30ed\u30fc\u30ab\u30eb \u30d5\u30a1\u30a4\u30eb \u30d8\u30c3\u30c0\u30fc\u306f\u5e38\u306b 4 \u30d0\u30a4\u30c8\u306e\u30b7\u30b0\u30cd\u30c1\u30e3\u3067\u59cb\u307e\u308a\u307e\u3059\u3002\u3053\u306e\u3046\u3061\u6700\u521d\u306e 2 \u30d0\u30a4\u30c8\u306f ASCII \u6587\u5b57\u3067 <span style=\"font-family: 'courier new', courier, monospace;\">PK<\/span> \u3067\u3059\u3002\u3053\u308c\u306f\u3001<a href=\"https:\/\/en.wikipedia.org\/wiki\/PKZIP\" target=\"_blank\" rel=\"noopener\">ZIP \u30a2\u30fc\u30ab\u30a4\u30d6\u5f62\u5f0f\u306e\u4f5c\u6210\u8005\u3001Phillip Katz<\/a> \u306e\u982d\u6587\u5b57\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u56f3 2 \u306f\u3001\u30ed\u30fc\u30ab\u30eb \u30d5\u30a1\u30a4\u30eb \u30d8\u30c3\u30c0\u30fc\u306e\u30ec\u30a4\u30a2\u30a6\u30c8\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_135571\" aria-describedby=\"caption-attachment-135571\" style=\"width: 761px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-135571 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/word-image-990438-135536-2.png\" alt=\"\u753b\u50cf 2 \u306f\u3001\u30ed\u30fc\u30ab\u30eb \u30d8\u30c3\u30c0\u30fc \u30d5\u30a1\u30a4\u30eb\u306e\u30ec\u30a4\u30a2\u30a6\u30c8\u3067\u3059\u3002 \" width=\"761\" height=\"223\" \/><figcaption id=\"caption-attachment-135571\" class=\"wp-caption-text\">\u56f3 2. \u30ed\u30fc\u30ab\u30eb \u30d5\u30a1\u30a4\u30eb \u30d8\u30c3\u30c0\u30fc\u69cb\u9020\u306e\u30ec\u30a4\u30a2\u30a6\u30c8 (\u51fa\u5178: Florian Buchholz, <a href=\"https:\/\/users.cs.jmu.edu\/buchhofp\/forensics\/formats\/pkzip.html\" target=\"_blank\" rel=\"noopener\">The structure of a PKZip file<\/a>)<\/figcaption><\/figure>\n<p>\u56f3 3 \u306f\u3001ZIP \u30a2\u30fc\u30ab\u30a4\u30d6\u306e\u5148\u982d\u306e\u30d0\u30a4\u30c8\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_135573\" aria-describedby=\"caption-attachment-135573\" style=\"width: 2048px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-135573 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/word-image-992615-135536-3.png\" alt=\"\u753b\u50cf 3 \u306f\u3001ZIP \u30a2\u30fc\u30ab\u30a4\u30d6\u306e 16 \u9032\u30c0\u30f3\u30d7\u3067\u3059\u3002 \" width=\"2048\" height=\"266\" srcset=\"https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/word-image-992615-135536-3.png 2048w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/word-image-992615-135536-3-786x102.png 786w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/word-image-992615-135536-3-1920x249.png 1920w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/word-image-992615-135536-3-768x100.png 768w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/word-image-992615-135536-3-1536x200.png 1536w\" sizes=\"(max-width: 2048px) 100vw, 2048px\" \/><figcaption id=\"caption-attachment-135573\" class=\"wp-caption-text\">\u56f3 3. ZIP \u30a2\u30fc\u30ab\u30a4\u30d6\u3092 16 \u9032\u30c0\u30f3\u30d7\u3067\u8868\u793a\u3057\u305f\u3068\u3053\u308d (\u51fa\u5178: Florian Buchholz, <a href=\"https:\/\/users.cs.jmu.edu\/buchhofp\/forensics\/formats\/pkzip.html\" target=\"_blank\" rel=\"noopener\">The structure of a PKZip file<\/a>)<\/figcaption><\/figure>\n<p>\u3053\u308c\u3089\u306e\u30d0\u30a4\u30c8\u306e\u5024\u306f\u3001\u30ed\u30fc\u30ab\u30eb \u30d5\u30a1\u30a4\u30eb \u30d8\u30c3\u30c0\u30fc\u306e\u5bfe\u5fdc\u3059\u308b\u30d5\u30a3\u30fc\u30eb\u30c9\u306b\u30de\u30c3\u30d4\u30f3\u30b0\u3067\u304d\u307e\u3059 (\u56f3 4)\u3002<\/p>\n<figure id=\"attachment_135624\" aria-describedby=\"caption-attachment-135624\" style=\"width: 761px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-135624 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/image4.png\" alt=\"\u753b\u50cf 4 \u306f\u3001\u30d5\u30a3\u30fc\u30eb\u30c9\u5024\u304c\u8ffd\u52a0\u3055\u308c\u305f\u30ed\u30fc\u30ab\u30eb \u30d5\u30a1\u30a4\u30eb \u30d8\u30c3\u30c0\u30fc\u69cb\u9020\u306e\u4f8b\u3067\u3059\u3002\u3053\u308c\u3089\u306b\u306f\u3001\u30b7\u30b0\u30cd\u30c1\u30e3\u3001\u30d0\u30fc\u30b8\u30e7\u30f3\u3001\u30d5\u30e9\u30b0\u3001\u5727\u7e2e\u3001\u5909\u66f4\u6642\u9593\u306a\u3069\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002 \" width=\"761\" height=\"223\" \/><figcaption id=\"caption-attachment-135624\" class=\"wp-caption-text\">\u56f3 4. \u30ed\u30fc\u30ab\u30eb \u30d5\u30a1\u30a4\u30eb \u30d8\u30c3\u30c0\u30fc\u69cb\u9020\u306b\u5165\u529b\u3055\u308c\u305f\u30d5\u30a3\u30fc\u30eb\u30c9\u306e\u5024 (\u51fa\u5178: Florian Buchholz, <a href=\"https:\/\/users.cs.jmu.edu\/buchhofp\/forensics\/formats\/pkzip.html\" target=\"_blank\" rel=\"noopener\">The structure of a PKZip file<\/a> \u3092\u3082\u3068\u306b\u8457\u8005\u6539\u5909)<\/figcaption><\/figure>\n<p>\u30ed\u30fc\u30ab\u30eb \u30d5\u30a1\u30a4\u30eb \u30d8\u30c3\u30c0\u30fc\u306e\u5727\u7e2e\u30e1\u30bd\u30c3\u30c9 \u30d5\u30a3\u30fc\u30eb\u30c9\u306f\u30d0\u30a4\u30c8 \u30aa\u30d5\u30bb\u30c3\u30c8 <span style=\"font-family: 'courier new', courier, monospace;\">0x08<\/span> \u3068 <span style=\"font-family: 'courier new', courier, monospace;\">0x09<\/span> \u306b\u5b58\u5728\u3057\u307e\u3059\u3002\u3053\u306e\u30d5\u30a3\u30fc\u30eb\u30c9\u306b\u306f\u3001<span style=\"font-family: 'courier new', courier, monospace;\">0x0000<\/span> \u4ee5\u964d\u306e\u3055\u307e\u3056\u307e\u306a\u5024\u3092\u542b\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<span style=\"font-family: 'courier new', courier, monospace;\">0x0000<\/span> \u306f\u30d5\u30a1\u30a4\u30eb\u304c\u5727\u7e2e\u3055\u308c\u3066\u3044\u306a\u3044\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002\u4e0a\u306e\u56f3 4 \u306e\u4f8b\u3067\u306f <span style=\"font-family: 'courier new', courier, monospace;\">0x0800<\/span> \u3068\u3044\u3046\u5024\u304c\u8868\u793a\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u5024\u306f\u5727\u7e2e\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0 <span style=\"font-family: 'courier new', courier, monospace;\"><a href=\"https:\/\/ja.wikipedia.org\/wiki\/Deflate\" target=\"_blank\" rel=\"noopener\">DEFLATE<\/a><\/span> \u3092\u8868\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u3053\u308c\u306f ZIP \u30a2\u30fc\u30ab\u30a4\u30d6\u3067\u6700\u3082\u3088\u304f\u4f7f\u308f\u308c\u308b\u5024\u3067\u3059\u3002<\/p>\n<p>\u4e0a\u306e\u56f3 4 \u306e\u30d0\u30a4\u30c8 \u30aa\u30d5\u30bb\u30c3\u30c8 <span style=\"font-family: 'courier new', courier, monospace;\">0x12<\/span> \u304b\u3089 <span style=\"font-family: 'courier new', courier, monospace;\">0x15<\/span> \u307e\u3067\u306f\u5727\u7e2e\u30b5\u30a4\u30ba\u3092\u793a\u3057\u3066\u3044\u3066\u3001\u3053\u3053\u3067\u306e <span style=\"font-family: 'courier new', courier, monospace;\">0x45<\/span> \u306f 69 \u30d0\u30a4\u30c8\u306b\u76f8\u5f53\u3057\u307e\u3059\u3002\u30d0\u30a4\u30c8 \u30aa\u30d5\u30bb\u30c3\u30c8\u3067 <span style=\"font-family: 'courier new', courier, monospace;\">0x16<\/span> \u304b\u3089 <span style=\"font-family: 'courier new', courier, monospace;\">0x19<\/span> \u307e\u3067\u306f\u975e\u5727\u7e2e\u6642\u306e\u30b5\u30a4\u30ba\u3092\u8868\u3057\u3066\u3044\u3066\u3001\u3053\u3053\u3067\u306e <span style=\"font-family: 'courier new', courier, monospace;\">0x4a<\/span> \u306f 74 \u30d0\u30a4\u30c8\u306b\u76f8\u5f53\u3057\u307e\u3059\u3002\u5727\u7e2e\u3055\u308c\u305f\u9805\u76ee\u306e\u30d5\u30a1\u30a4\u30eb\u540d\u306f <span style=\"font-family: 'courier new', courier, monospace;\">0x66696c6531<\/span> \u3067\u3059\u304c\u3001\u3053\u308c\u306f ASCII \u30c6\u30ad\u30b9\u30c8\u3067 <span style=\"font-family: 'courier new', courier, monospace;\">file1<\/span> \u306b\u7ffb\u8a33\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u56f3 4 \u3067\u306f\u3001\u3053\u306e ZIP \u30a2\u30fc\u30ab\u30a4\u30d6\u306e\u30d5\u30a1\u30a4\u30eb \u30d8\u30c3\u30c0\u30fc\u306f <span style=\"font-family: 'courier new', courier, monospace;\">0x37<\/span> \u3067\u7d42\u308f\u308a\u3001\u5727\u7e2e\u30d5\u30a1\u30a4\u30eb\u306e\u5185\u5bb9\u306f\u3001<span style=\"font-family: 'courier new', courier, monospace;\">0x38<\/span> \u304b\u3089\u59cb\u307e\u308a\u307e\u3059\u3002<\/p>\n<h3><a id=\"post-135394-_eth6b25gsgy9\"><\/a>\u30bb\u30f3\u30c8\u30e9\u30eb \u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc \u30d5\u30a1\u30a4\u30eb \u30d8\u30c3\u30c0\u30fc<\/h3>\n<p>\u30bb\u30f3\u30c8\u30e9\u30eb \u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc \u30d5\u30a1\u30a4\u30eb \u30d8\u30c3\u30c0\u30fc\u306f\u3001\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc\u3092\u542b\u3080 ZIP \u30a2\u30fc\u30ab\u30a4\u30d6\u306b\u4f7f\u308f\u308c\u307e\u3059\u3002\u3053\u306e\u30d8\u30c3\u30c0\u30fc\u306f ZIP \u30a2\u30fc\u30ab\u30a4\u30d6\u306b\u542b\u307e\u308c\u308b\u7279\u5b9a\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc\u5185\u306e\u6700\u5f8c\u306e\u30ed\u30fc\u30ab\u30eb \u30d5\u30a1\u30a4\u30eb \u30d8\u30c3\u30c0\u30fc\u306e\u7d42\u308f\u308a\u306b\u7d9a\u3044\u3066\u767b\u5834\u3057\u307e\u3059\u3002<\/p>\n<p>APK \u30d5\u30a1\u30a4\u30eb\u306e\u5834\u5408\u3001\u6700\u5f8c\u306e\u30ed\u30fc\u30ab\u30eb \u30d5\u30a1\u30a4\u30eb \u30d8\u30c3\u30c0\u30fc\u3068\u3053\u306e\u30bb\u30f3\u30c8\u30e9\u30eb \u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc \u30d8\u30c3\u30c0\u30fc\u306e\u9593\u306b\u30aa\u30d7\u30b7\u30e7\u30f3\u306e <a href=\"https:\/\/source.android.com\/docs\/security\/features\/apksigning\/v2?hl=ja#apk-signing-block\" target=\"_blank\" rel=\"noopener\">APK \u7f72\u540d\u30d6\u30ed\u30c3\u30af<\/a>\u304c\u898b\u3064\u304b\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u56f3 5 \u306f\u3001\u30bb\u30f3\u30c8\u30e9\u30eb \u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc \u30d5\u30a1\u30a4\u30eb \u30d8\u30c3\u30c0\u30fc\u306e\u30ec\u30a4\u30a2\u30a6\u30c8\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_135577\" aria-describedby=\"caption-attachment-135577\" style=\"width: 761px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-135577 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/word-image-998405-135536-5.png\" alt=\"\u753b\u50cf 5 \u306f\u3001\u30bb\u30f3\u30c8\u30e9\u30eb \u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc \u30d5\u30a1\u30a4\u30eb \u30d8\u30c3\u30c0\u30fc\u306e\u30ec\u30a4\u30a2\u30a6\u30c8\u306e\u4f8b\u3067\u3059\u3002\u3053\u306e\u60c5\u5831\u306b\u306f\u3001\u30b7\u30b0\u30cd\u30c1\u30e3\u3001\u30d0\u30fc\u30b8\u30e7\u30f3\u3001\u30d5\u30e9\u30b0\u3001\u5727\u7e2e\u3001\u5909\u66f4\u6642\u9593\u3001\u5909\u66f4\u65e5\u3001\u30d5\u30a1\u30a4\u30eb\u540d\u3001\u62e1\u5f35\u30d5\u30a3\u30fc\u30eb\u30c9\u306a\u3069\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002 \" width=\"761\" height=\"303\" \/><figcaption id=\"caption-attachment-135577\" class=\"wp-caption-text\">\u56f3 5. \u30bb\u30f3\u30c8\u30e9\u30eb \u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc \u30d5\u30a1\u30a4\u30eb \u30d8\u30c3\u30c0\u30fc\u306e\u30ec\u30a4\u30a2\u30a6\u30c8 (\u51fa\u5178: Florian Buchholz, <a href=\"https:\/\/users.cs.jmu.edu\/buchhofp\/forensics\/formats\/pkzip.html\" target=\"_blank\" rel=\"noopener\">The structure of a PKZip file<\/a>)<\/figcaption><\/figure>\n<p>\u56f3 3 \u3068\u540c\u3058\u30d5\u30a1\u30a4\u30eb\u3092\u4f7f\u3063\u3066\u30d0\u30a4\u30c8 \u30aa\u30d5\u30bb\u30c3\u30c8 <span style=\"font-family: 'courier new', courier, monospace;\">0x09a2<\/span> \u307e\u3067\u30b9\u30af\u30ed\u30fc\u30eb\u30c0\u30a6\u30f3\u3059\u308b\u3068\u3001\u6700\u521d\u306e\u30bb\u30f3\u30c8\u30e9\u30eb \u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc \u30d5\u30a1\u30a4\u30eb \u30d8\u30c3\u30c0\u30fc\u304c\u898b\u3064\u304b\u308a\u307e\u3059\u3002\u4e0b\u306e\u56f3 6 \u306f\u3053\u306e\u30d8\u30c3\u30c0\u30fc\u306e\u5185\u5bb9\u3092\u793a\u3057\u305f\u3082\u306e\u3067\u3059\u3002<\/p>\n<figure id=\"attachment_135579\" aria-describedby=\"caption-attachment-135579\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-135579 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/word-image-728-135536-6.png\" alt=\"\u753b\u50cf 6 \u306f\u3001\u30bb\u30f3\u30c8\u30e9\u30eb \u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc \u30d5\u30a1\u30a4\u30eb \u30d8\u30c3\u30c0\u30fc\u69cb\u9020\u306e\u5024\u3092 16 \u9032\u30c0\u30f3\u30d7\u3067\u8868\u3057\u305f\u4f8b\u3067\u3059\u3002 \" width=\"800\" height=\"148\" srcset=\"https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/word-image-728-135536-6.png 2048w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/word-image-728-135536-6-786x146.png 786w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/word-image-728-135536-6-1920x356.png 1920w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/word-image-728-135536-6-768x143.png 768w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/word-image-728-135536-6-1536x285.png 1536w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-135579\" class=\"wp-caption-text\">\u56f3 6. \u30bb\u30f3\u30c8\u30e9\u30eb \u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc \u30d5\u30a1\u30a4\u30eb \u30d8\u30c3\u30c0\u30fc\u69cb\u9020\u306e\u5024\u3092 16 \u9032\u30c0\u30f3\u30d7\u3067\u8868\u793a\u3057\u305f\u3068\u3053\u308d (\u51fa\u5178: Florian Buchholz, <a href=\"https:\/\/users.cs.jmu.edu\/buchhofp\/forensics\/formats\/pkzip.html\" target=\"_blank\" rel=\"noopener\">The structure of a PKZip file<\/a>)<\/figcaption><\/figure>\n<p>\u56f3 7 \u306b\u30de\u30c3\u30d4\u30f3\u30b0\u3057\u305f\u30bb\u30f3\u30c8\u30e9\u30eb \u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc \u30d8\u30c3\u30c0\u30fc\u306e\u4f8b\u304b\u3089\u306f\u3001\u56f3 4 \u306b\u793a\u3057\u305f\u30ed\u30fc\u30ab\u30eb \u30d5\u30a1\u30a4\u30eb \u30d8\u30c3\u30c0\u30fc\u3068\u540c\u3058\u5727\u7e2e\u95a2\u9023\u306e\u5024\u304c\u898b\u3064\u304b\u308a\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u3053\u308c\u3089\u306e\u30d5\u30a3\u30fc\u30eb\u30c9\u306e\u30d0\u30a4\u30c8 \u30aa\u30d5\u30bb\u30c3\u30c8\u306f\u3001\u56f3 4 \u306b\u793a\u3057\u305f\u3082\u306e\u3068\u306f\u7570\u306a\u308a\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_135581\" aria-describedby=\"caption-attachment-135581\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-135581 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/word-image-3488-135536-7.png\" alt=\"\u753b\u50cf 7 \u306f\u3001\u30d5\u30a3\u30fc\u30eb\u30c9\u5024\u304c\u8ffd\u52a0\u3055\u308c\u305f\u30bb\u30f3\u30c8\u30e9\u30eb \u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc \u30d5\u30a1\u30a4\u30eb \u30d8\u30c3\u30c0\u30fc\u69cb\u9020\u306e\u4f8b\u3067\u3059\u3002\u3053\u308c\u3089\u306b\u306f\u3001\u30b7\u30b0\u30cd\u30c1\u30e3\u3001\u30d0\u30fc\u30b8\u30e7\u30f3\u3001\u30d5\u30e9\u30b0\u3001\u5727\u7e2e\u3001\u5909\u66f4\u6642\u9593\u306a\u3069\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002 \" width=\"800\" height=\"392\" srcset=\"https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/word-image-3488-135536-7.png 1890w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/word-image-3488-135536-7-786x385.png 786w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/word-image-3488-135536-7-1429x700.png 1429w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/word-image-3488-135536-7-768x376.png 768w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/word-image-3488-135536-7-1536x753.png 1536w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-135581\" class=\"wp-caption-text\">\u56f3 7. \u30bb\u30f3\u30c8\u30e9\u30eb \u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc \u30d5\u30a1\u30a4\u30eb \u30d8\u30c3\u30c0\u30fc\u69cb\u9020\u306b\u5165\u529b\u3055\u308c\u305f\u30d5\u30a3\u30fc\u30eb\u30c9\u306e\u5024 (\u51fa\u5178: Florian Buchholz, <a href=\"https:\/\/users.cs.jmu.edu\/buchhofp\/forensics\/formats\/pkzip.html\" target=\"_blank\" rel=\"noopener\">The structure of a PKZip file<\/a> \u3092\u3082\u3068\u306b\u8457\u8005\u6539\u5909)<\/figcaption><\/figure>\n<p>\u56f3 7 \u306e\u30bb\u30f3\u30c8\u30e9\u30eb \u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc \u30d8\u30c3\u30c0\u30fc\u306e\u5834\u5408\u3001\u5727\u7e2e\u5024\u306e\u30d0\u30a4\u30c8 \u30aa\u30d5\u30bb\u30c3\u30c8\u306f <span style=\"font-family: 'courier new', courier, monospace;\">0x0a<\/span> \u304b\u3089 <span style=\"font-family: 'courier new', courier, monospace;\">0x0b<\/span> \u307e\u3067\u3067\u3001\u5024\u306f <span style=\"font-family: 'courier new', courier, monospace;\">0x0800<\/span> \u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u5024\u306f\u3001\u56f3 4 \u306e\u3059\u3050\u5f8c\u3067\u8aac\u660e\u3057\u305f\u5727\u7e2e\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3068\u540c\u3058 <span style=\"font-family: 'courier new', courier, monospace;\">DEFLATE<\/span> \u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u56f3 7 \u306f\u30d0\u30a4\u30c8 \u30aa\u30d5\u30bb\u30c3\u30c8 <span style=\"font-family: 'courier new', courier, monospace;\">0x14<\/span> \u304b\u3089 <span style=\"font-family: 'courier new', courier, monospace;\">0x17<\/span> \u307e\u3067\u3067\u5727\u7e2e\u30b5\u30a4\u30ba\u3082\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u5024\u306f <span style=\"font-family: 'courier new', courier, monospace;\">0x45<\/span> \u3067\u3001\u3053\u308c\u306f 69 \u30d0\u30a4\u30c8\u306b\u76f8\u5f53\u3057\u307e\u3059\u3002\u30d0\u30a4\u30c8 \u30aa\u30d5\u30bb\u30c3\u30c8\u3067 <span style=\"font-family: 'courier new', courier, monospace;\">0x18<\/span> \u304b\u3089 <span style=\"font-family: 'courier new', courier, monospace;\">0x1b<\/span> \u307e\u3067\u306f\u975e\u5727\u7e2e\u6642\u306e\u30b5\u30a4\u30ba\u3092\u8868\u3057\u3066\u3044\u3066\u3001\u3053\u3053\u3067\u306e <span style=\"font-family: 'courier new', courier, monospace;\">0x4a<\/span> \u306f 74 \u30d0\u30a4\u30c8\u306b\u76f8\u5f53\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306f\u3001\u56f3 4 \u306e\u30ed\u30fc\u30ab\u30eb \u30d5\u30a1\u30a4\u30eb \u30d8\u30c3\u30c0\u30fc\u3068\u540c\u3058\u5024\u3067\u3059\u304c\u3001\u30d0\u30a4\u30c8 \u30aa\u30d5\u30bb\u30c3\u30c8\u304c\u7570\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u5727\u7e2e\u3055\u308c\u305f\u9805\u76ee\u306e\u30d5\u30a1\u30a4\u30eb\u540d\u306f <span style=\"font-family: 'courier new', courier, monospace;\">0x66696c6531<\/span> \u3067\u3059\u304c\u3001\u3053\u308c\u306f ASCII \u30c6\u30ad\u30b9\u30c8\u3067 <span style=\"font-family: 'courier new', courier, monospace;\">file1<\/span> \u306b\u7ffb\u8a33\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u56f3 7 \u3067\u306f\u3001\u30bb\u30f3\u30c8\u30e9\u30eb \u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc\u30d8\u30c3\u30c0\u30fc\u306f <span style=\"font-family: 'courier new', courier, monospace;\">0x5b<\/span> \u3067\u7d42\u308f\u308a\u3001\u5727\u7e2e\u3055\u308c\u305f\u30d5\u30a1\u30a4\u30eb\u306e\u5185\u5bb9\u306f <span style=\"font-family: 'courier new', courier, monospace;\">0x5c<\/span> \u304b\u3089\u59cb\u307e\u308a\u307e\u3059\u3002<\/p>\n<p>APK \u30d5\u30a1\u30a4\u30eb\u3067\u4f7f\u3046 ZIP \u30a2\u30fc\u30ab\u30a4\u30d6\u5f62\u5f0f\u3067\u306f\u3001\u30ed\u30fc\u30ab\u30eb \u30d5\u30a1\u30a4\u30eb \u30d8\u30c3\u30c0\u30fc\u3068\u30bb\u30f3\u30c8\u30e9\u30eb \u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc \u30d5\u30a1\u30a4\u30eb \u30d8\u30c3\u30c0\u30fc\u306e\u5024\u306f\u4e92\u3044\u306b\u4e00\u81f4\u3057\u3066\u3044\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u5727\u7e2e\u30e1\u30bd\u30c3\u30c9\u3084\u5727\u7e2e\u30b5\u30a4\u30ba\u3001\u975e\u5727\u7e2e\u30b5\u30a4\u30ba\u306a\u3069\u3001APK \u30d5\u30a1\u30a4\u30eb\u5185\u306e\u7279\u5b9a\u306e\u9805\u76ee\u306e\u60c5\u5831\u306f\u3001\u30ed\u30fc\u30ab\u30eb \u30d5\u30a1\u30a4\u30eb \u30d8\u30c3\u30c0\u30fc\u3068\u30bb\u30f3\u30c8\u30e9\u30eb \u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc \u30d5\u30a1\u30a4\u30eb \u30d8\u30c3\u30c0\u30fc\u3068\u306e\u9593\u3067\u540c\u3058\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u306e\u3053\u3068\u306f\u3001\u79c1\u305f\u3061\u304c \u56f3 4 \u3068\u56f3 7 \u306e\u4f8b\u3067 <span style=\"font-family: 'courier new', courier, monospace;\">file1<\/span> \u3068\u3044\u3046\u5727\u7e2e\u3055\u308c\u305f\u9805\u76ee\u306e\u5024\u3092\u6bd4\u8f03\u3057\u305f\u3055\u3044\u306b\u78ba\u8a8d\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>BadPack \u6280\u8853\u3068\u306f\u3001\u60aa\u610f\u306e\u3042\u308b APK \u30d5\u30a1\u30a4\u30eb\u306b\u3064\u3044\u3066\u3053\u308c\u3089\u306e\u5024\u3092\u5909\u66f4\u3057\u3001\u30ed\u30fc\u30ab\u30eb \u30d5\u30a1\u30a4\u30eb \u30d8\u30c3\u30c0\u30fc\u3068\u30bb\u30f3\u30c8\u30e9\u30eb \u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc \u30d5\u30a1\u30a4\u30eb \u30d8\u30c3\u30c0\u30fc\u306e\u9593\u306b\u4e0d\u4e00\u81f4\u3092\u751f\u3058\u3055\u305b\u308b\u3001\u3068\u3044\u3046\u3082\u306e\u3067\u3059\u3002<\/p>\n<h2><a id=\"post-135394-_phzefygomi51\"><\/a>BadPack \u6280\u8853\u306e\u5206\u6790<\/h2>\n<p>\u60aa\u610f\u306e\u3042\u308b BadPack \u30b5\u30f3\u30d7\u30eb\u3067\u306f\u3001\u4f5c\u8005\u3089\u304c ZIP \u69cb\u9020\u30d8\u30c3\u30c0\u30fc\u3092\u6539\u3056\u3093\u3057\u3001APK \u306b\u3088\u308b <span style=\"font-family: 'courier new', courier, monospace;\">AndroidManifest.xml<\/span> \u306e\u62bd\u51fa\u30fb\u30c7\u30b3\u30fc\u30c9\u304c\u3067\u304d\u306a\u3044\u72b6\u614b\u306b\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u9759\u7684\u89e3\u6790\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u4e0b\u6d41\u3067\u30a8\u30e9\u30fc\u306e\u9023\u9396\u53cd\u5fdc\u304c\u8d77\u3053\u308a\u307e\u3059\u3002\u305d\u306e\u7d50\u679c\u3001\u30d5\u30a1\u30a4\u30eb\u3092\u8aad\u307f\u53d6\u3063\u3066\u51e6\u7406\u3092\u5b8c\u9042\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u306a\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u30de\u30eb\u30a6\u30a7\u30a2\u306e\u4f5c\u8005\u3089\u306f\u3001\u6b21\u306e\u3044\u305a\u308c\u304b\u306e\u65b9\u6cd5\u3067\u3053\u308c\u3089\u306e\u5024\u3092\u64cd\u4f5c\u3067\u304d\u307e\u3059\u3002<\/p>\n<ol>\n<li>\u6b63\u3057\u3044\u5727\u7e2e\u30e1\u30bd\u30c3\u30c9\u3067\u3042\u308b <span style=\"font-family: 'courier new', courier, monospace;\">STORE<\/span> \u306f\u6307\u5b9a\u3059\u308b\u304c\u3001\u5727\u7e2e\u30b5\u30a4\u30ba\u304c\u7121\u52b9<\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">DEFLATE<\/span> \u4ee5\u5916\u306e\u4efb\u610f\u306e\u5727\u7e2e\u30e1\u30bd\u30c3\u30c9\u306e\u5024\u3092\u6307\u5b9a\u3057\u3066\u3044\u308b\u304c\u3001\u30da\u30a4\u30ed\u30fc\u30c9\u306e\u5b9f\u969b\u306e\u5727\u7e2e\u30e1\u30bd\u30c3\u30c9\u304c <span style=\"font-family: 'courier new', courier, monospace;\">STORE<\/span><\/li>\n<li>\u30ed\u30fc\u30ab\u30eb \u30d5\u30a1\u30a4\u30eb \u30d8\u30c3\u30c0\u30fc\u306e\u307f\u306b\u4efb\u610f\u306e\u5727\u7e2e\u30e1\u30bd\u30c3\u30c9\u5024\u3092\u6307\u5b9a\u3059\u308b\u304c\u3001\u30da\u30a4\u30ed\u30fc\u30c9\u306e\u5b9f\u969b\u306e\u5727\u7e2e\u30e1\u30bd\u30c3\u30c9\u304c <span style=\"font-family: 'courier new', courier, monospace;\">DEFLATE<\/span><\/li>\n<\/ol>\n<p>\u901a\u5e38\u3001Apktool \u3084 jadx \u306a\u3069\u306e Android \u30de\u30eb\u30a6\u30a7\u30a2\u9759\u7684\u5206\u6790\u30c4\u30fc\u30eb\u306f\u3001Android \u30c7\u30d0\u30a4\u30b9\u4e0a\u306e Android \u30b7\u30b9\u30c6\u30e0 \u30e9\u30f3\u30bf\u30a4\u30e0\u3088\u308a\u3082\u53b3\u683c\u3067\u3059\u3002\u5bfe\u8c61 APK \u30b5\u30f3\u30d7\u30eb\u306f ZIP \u30d5\u30a1\u30a4\u30eb\u5f62\u5f0f\u306e\u4ed5\u69d8\u306b\u6e96\u62e0\u3057\u3066\u3044\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066 Apktool \u3068 jadx \u3067\u306f APK \u30d5\u30a1\u30a4\u30eb\u5185\u306e ZIP \u69cb\u9020\u30d8\u30c3\u30c0\u30fc\u306e\u30ed\u30fc\u30ab\u30eb \u30d5\u30a1\u30a4\u30eb \u30d8\u30c3\u30c0\u30fc\u3068\u30bb\u30f3\u30c8\u30e9\u30eb \u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc \u30d5\u30a1\u30a4\u30eb \u30d8\u30c3\u30c0\u30fc\u306e\u4e21\u65b9\u3092\u89e3\u6790\u3057\u307e\u3059\u3002<\/p>\n<p>\u3068\u3053\u308d\u304c Android \u30c7\u30d0\u30a4\u30b9\u306f\u3001\u3053\u308c\u3089\u306e\u5206\u6790\u30c4\u30fc\u30eb\u307b\u3069\u516c\u5f0f\u30d5\u30a1\u30a4\u30eb\u5f62\u5f0f\u306b\u3064\u3044\u3066\u53b3\u683c\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u3053\u306e\u305f\u3081\u3001\u5bfe\u8c61 APK \u30d5\u30a1\u30a4\u30eb\u306b\u516c\u5f0f\u30d5\u30a1\u30a4\u30eb\u5f62\u5f0f\u4ed5\u69d8\u306b\u5bfe\u3059\u308b\u6e96\u62e0\u304c\u4e0d\u5b8c\u5168\u306a\u4e0d\u6b63\u5024\u304c\u542b\u307e\u308c\u3066\u3044\u3066\u3082\u5b9f\u884c\u3067\u304d\u3066\u3057\u307e\u3046\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u3001Android \u30b7\u30b9\u30c6\u30e0 \u30e9\u30f3\u30bf\u30a4\u30e0\u304c\u30bb\u30f3\u30c8\u30e9\u30eb \u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc \u30d5\u30a1\u30a4\u30eb \u30d8\u30c3\u30c0\u30fc\u306e\u307f\u3092\u691c\u67fb\u3059\u308b\u305f\u3081\u3067\u3059\u3002\u30ed\u30fc\u30ab\u30eb \u30d5\u30a1\u30a4\u30eb \u30d8\u30c3\u30c0\u30fc\u306e\u5024\u304c\u4e00\u81f4\u3057\u306a\u3044\u5834\u5408\u3001Android \u30e9\u30f3\u30bf\u30a4\u30e0\u306f\u6b63\u3057\u3044\u5b9f\u969b\u306e\u5024\u3092\u63a8\u5b9a\u3057\u307e\u3059\u3002<\/p>\n<p>\u307e\u3055\u306b\u3053\u306e\u52d5\u4f5c\u306e\u9055\u3044\u306b\u3088\u308a\u3001Apktool \u3084 jadx \u306a\u3069\u306e\u5206\u6790\u30c4\u30fc\u30eb\u306f\u3001Android \u30c7\u30d0\u30a4\u30b9\u306b\u554f\u984c\u306a\u304f\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u3001\u6b63\u5e38\u306b\u5b9f\u884c\u3055\u308c\u308b BadPack APK \u30b5\u30f3\u30d7\u30eb\u3092\u5206\u6790\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n<p>\u3064\u307e\u308a\u3001APK \u5206\u6790\u30c4\u30fc\u30eb\u3092\u4f7f\u3046\u524d\u306b\u3053\u308c\u3089\u306e\u5909\u66f4\u3092\u5143\u306b\u623b\u3057\u3001\u5143\u306e ZIP \u69cb\u9020\u30d8\u30c3\u30c0\u30fc\u5024\u3092\u5fa9\u5143\u3059\u308c\u3070\u3001BadPack APK \u30b5\u30f3\u30d7\u30eb\u3092\u6b63\u5e38\u306b\u5206\u6790\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2><a id=\"post-135394-_p61nym98veua\"><\/a>Android \u30b3\u30fc\u30c9\u30d9\u30fc\u30b9\u306e\u5b9f\u88c5\u3092\u30c8\u30ec\u30fc\u30b9<\/h2>\n<p>\u5b9f\u88c5\u306e\u672c\u8cea\u90e8\u5206\u306e\u3069\u3053\u304c\u30de\u30eb\u30a6\u30a7\u30a2\u5206\u6790\u30c4\u30fc\u30eb\u3068 Android \u30b7\u30b9\u30c6\u30e0 \u30e9\u30f3\u30bf\u30a4\u30e0\u3068\u306e\u9593\u3067\u52d5\u4f5c\u306e\u9055\u3044\u3092\u751f\u3093\u3067\u3044\u308b\u306e\u304b\u3092\u305f\u3069\u3063\u3066\u898b\u308b\u3068\u3001\u3053\u308c\u304c <a href=\"https:\/\/android.googlesource.com\/platform\/frameworks\/base\/+\/master\/libs\/androidfw\/AssetsProvider.cpp#176\" target=\"_blank\" rel=\"noopener\">APK \u30d5\u30a1\u30a4\u30eb\u304b\u3089\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u62bd\u51fa\u3057\u3066\u3044\u308b Android \u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u306e\u30b3\u30fc\u30c9\u90e8\u5206<\/a>\u3067\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001\u3042\u308b\u30e1\u30bd\u30c3\u30c9\u304c\u5165\u529b\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3092\u53d7\u3051\u53d6\u3063\u3066\u3044\u307e\u3059\u3002\u30e1\u30bd\u30c3\u30c9\u306f\u672c\u4f53\u3068\u306a\u308b\u4e00\u9023\u306e\u547d\u4ee4\u3092\u6301\u3061\u3001\u305d\u308c\u3089\u306e\u547d\u4ee4\u304c\u3053\u308c\u3089\u306e\u5165\u529b\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3092\u5909\u63db\u3057\u3066\u3001\u306a\u3093\u3089\u304b\u306e\u51fa\u529b\u7d50\u679c\u3092\u5024\u3068\u3057\u3066\u8fd4\u3057\u307e\u3059\u3002<\/p>\n<p>\u30e1\u30bd\u30c3\u30c9\u306e\u672c\u4f53\u306f\u6599\u7406\u306e\u30ec\u30b7\u30d4\u306b\u3088\u304f\u4f3c\u3066\u3044\u307e\u3059\u3002\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u5b9f\u884c\u3055\u308c\u308b\u3068\u3001\u95a2\u6570\u306f\u30e1\u30bd\u30c3\u30c9\u547c\u3073\u51fa\u3057\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3068\u306a\u308a\u3001\u30e1\u30bd\u30c3\u30c9\u5185\u3067\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u308b\u5165\u529b\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u306b\u5f93\u3063\u3066\u5165\u529b\u5f15\u6570\u3092\u53d7\u3051\u53d6\u308a\u307e\u3059\u3002<\/p>\n<p>\u30e9\u30f3\u30bf\u30a4\u30e0\u3067\u306f\u3001\u3053\u306e\u95a2\u6570\u547c\u3073\u51fa\u3057\u6642\u306b <span style=\"font-family: 'courier new', courier, monospace;\">path<\/span> \u5f15\u6570\u3068\u3057\u3066\u6587\u5b57\u5217\u300c<span style=\"font-family: 'courier new', courier, monospace;\">AndroidManifest.xml<\/span>\u300d\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u3067\u3001\u3053\u306e\u30b3\u30fc\u30c9\u306e\u5b9f\u884c\u30d1\u30b9\u304c\u30c8\u30ea\u30ac\u30fc\u3055\u308c\u307e\u3059\u3002\u4ee5\u4e0b\u306e\u56f3 8 \u306f\u3001\u3053\u306e\u30eb\u30fc\u30c1\u30f3\u306e\u4e3b\u8981\u624b\u9806\u3092\u8aad\u307f\u3084\u3059\u304f\u7c21\u7565\u5316 (\u30a8\u30e9\u30fc\u51e6\u7406\u306e\u7701\u7565\u306a\u3069) \u3057\u305f\u6982\u8981\u3067\u3059\u3002<\/p>\n<figure id=\"attachment_135583\" aria-describedby=\"caption-attachment-135583\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-135583 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/word-image-7112-135536-8.png\" alt=\"\u753b\u50cf 8 \u306f\u3001Android \u30e9\u30f3\u30bf\u30a4\u30e0\u306e APK \u62bd\u51fa\u306e\u30e1\u30a4\u30f3 \u30eb\u30fc\u30c1\u30f3\u306e\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u3067\u3059\u3002\u3053\u3053\u306b\u306f\u5408\u8a08 3 \u3064\u306e\u30b9\u30c6\u30c3\u30d7 (\u30b3\u30e1\u30f3\u30c8\u3068\u3057\u3066\u30e9\u30d9\u30eb\u304c\u4ed8\u3051\u3089\u308c\u3066\u3044\u308b) \u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002 \" width=\"900\" height=\"440\" srcset=\"https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/word-image-7112-135536-8.png 2048w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/word-image-7112-135536-8-786x384.png 786w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/word-image-7112-135536-8-1432x700.png 1432w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/word-image-7112-135536-8-768x375.png 768w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/word-image-7112-135536-8-1536x751.png 1536w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><figcaption id=\"caption-attachment-135583\" class=\"wp-caption-text\">\u56f3 8. APK \u62bd\u51fa\u306e\u305f\u3081\u306e Android \u30e9\u30f3\u30bf\u30a4\u30e0\u306e\u30e1\u30a4\u30f3 \u30eb\u30fc\u30c1\u30f3 (\u51fa\u5178: <a href=\"https:\/\/android.googlesource.com\/platform\/frameworks\/base\/+\/master\/libs\/androidfw\/AssetsProvider.cpp\" target=\"_blank\" rel=\"noopener\">The Android Open Source Project<\/a>)<\/figcaption><\/figure>\n<p>\u56f3 8 \u306e\u30b3\u30fc\u30c9 \u30ed\u30b8\u30c3\u30af\u306f\u6b21\u306e\u624b\u9806\u304b\u3089\u69cb\u6210\u3055\u308c\u3066\u3044\u3066\u3001\u4e3b\u306a if \u6761\u4ef6\u306e\u884c\u3092\u5f37\u8abf\u8868\u793a\u3057\u3066\u3042\u308a\u307e\u3059\u3002<\/p>\n<p><strong>\u30b9\u30c6\u30c3\u30d7 1:<\/strong> <span style=\"font-family: 'courier new', courier, monospace;\">AndroidManifest.xml<\/span> \u306e\u30a8\u30f3\u30c8\u30ea\u30fc\u306e\u30bb\u30f3\u30c8\u30e9\u30eb \u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc\u306e\u30d5\u30a1\u30a4\u30eb \u30d8\u30c3\u30c0\u30fc\u304c\u53d6\u5f97\u3055\u308c\u307e\u3059\u3002\u4e00\u90e8\u306e\u5024\u306f\u64cd\u4f5c\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u30d8\u30c3\u30c0\u30fc\u69cb\u9020\u81ea\u4f53\u306f\u305d\u306e\u307e\u307e\u6b8b\u3063\u3066\u3044\u308b\u306e\u3067\u3053\u308c\u306f\u6210\u529f\u3057\u307e\u3059\u3002<\/p>\n<p><strong>\u30b9\u30c6\u30c3\u30d7 2: <\/strong>\u3053\u306e\u30d8\u30c3\u30c0\u30fc\u306e\u5727\u7e2e\u30e1\u30bd\u30c3\u30c9 \u30d5\u30a3\u30fc\u30eb\u30c9\u304c\u6570\u5024\u3068\u3057\u3066\u6bd4\u8f03\u3055\u308c\u3001\u3053\u308c\u304c <span style=\"font-family: 'courier new', courier, monospace;\">8 (DEFLATE)<\/span> \u3068\u7b49\u3057\u3044\u304b\u3069\u3046\u304b\u304c\u78ba\u8a8d\u3055\u308c\u307e\u3059\u3002\u3082\u3057\u305d\u3046\u306a\u3089\u3001\u3053\u306e\u30d8\u30c3\u30c0\u30fc\u306e <span style=\"font-family: 'courier new', courier, monospace;\">Compressed Size (\u5727\u7e2e\u30b5\u30a4\u30ba)<\/span> \u30d5\u30a3\u30fc\u30eb\u30c9\u304c\u30da\u30a4\u30ed\u30fc\u30c9 \u30c7\u30fc\u30bf\u306e\u62bd\u51fa\u306b\u4f7f\u308f\u308c\u307e\u3059\u3002<\/p>\n<p><strong>\u30b9\u30c6\u30c3\u30d7 3: <\/strong>\u305d\u308c\u4ee5\u5916\u306e\u5834\u5408\u3001\u3053\u306e\u30da\u30a4\u30ed\u30fc\u30c9 \u30c7\u30fc\u30bf\u306f\u5358\u7d14\u306b\u683c\u7d0d (<span style=\"font-family: 'courier new', courier, monospace;\">STORE<\/span>) \u3055\u308c\u3066\u3044\u308b\u3060\u3051\u3068\u307f\u306a\u3055\u308c\u3001\u4ee3\u308f\u308a\u306b\u3053\u306e\u30d8\u30c3\u30c0\u30fc\u306e <span style=\"font-family: 'courier new', courier, monospace;\">Uncompressed Size (\u975e\u5727\u7e2e\u30b5\u30a4\u30ba)<\/span> \u30d5\u30a3\u30fc\u30eb\u30c9\u304c\u62bd\u51fa\u306b\u4f7f\u308f\u308c\u307e\u3059\u3002<\/p>\n<p>\u524d\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u793a\u3057\u305f\u30b3\u30fc\u30c9\u304c\u5b9f\u969b\u306b Android \u30c7\u30d0\u30a4\u30b9\u3078\u306e APK \u30b5\u30f3\u30d7\u30eb \u30d5\u30a1\u30a4\u30eb\u62bd\u51fa\u30fb\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3092\u51e6\u7406\u3057\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u78ba\u8a8d\u3059\u308b\u306b\u306f\u3001\u6b21\u306e 2 \u90e8\u69cb\u6210\u306e\u5b9f\u9a13\u3092\u884c\u3048\u3070\u3088\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n<p><strong>\u30d1\u30fc\u30c8 1:<\/strong><\/p>\n<ol>\n<li>\u300c<span style=\"font-family: 'courier new', courier, monospace;\">AndroidManifest.xml<\/span>\u300d\u306e\u30da\u30a4\u30ed\u30fc\u30c9 \u30c7\u30fc\u30bf\u304c\u5b9f\u969b\u306b <span style=\"font-family: 'courier new', courier, monospace;\">DEFLATE<\/span> \u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3067\u5727\u7e2e\u3055\u308c\u3066\u3044\u308b APK \u30d5\u30a1\u30a4\u30eb\u3092\u9078\u3076<\/li>\n<li>\u30b9\u30c6\u30c3\u30d7 1 \u3067\u8aac\u660e\u3057\u305f APK \u30d5\u30a1\u30a4\u30eb\u3092 Android \u30c7\u30d0\u30a4\u30b9\u306b\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b<\/li>\n<li>\u3053\u308c\u304c\u6b21\u306e\u51fa\u529b\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u8868\u793a\u3057\u3066\u6210\u529f\u3059\u308b<\/li>\n<\/ol>\n<p><!-- Crayon Syntax Highlighter v_2.7.2_beta --><\/p>\n<pre class=\"lang:default decode:true\">$ adb install \"sample.apk\"\r\nSuccess<\/pre>\n<p><!-- [Format Time: 0.0001 seconds] --><\/p>\n<p><strong>\u30d1\u30fc\u30c8 2: <\/strong><\/p>\n<ol>\n<li>\u4eca\u5ea6\u306f APK \u30d5\u30a1\u30a4\u30eb\u306e\u300c<span style=\"font-family: 'courier new', courier, monospace;\">AndroidManifest.xml<\/span>\u300d \u30a8\u30f3\u30c8\u30ea\u30fc\u306b\u3064\u3044\u3066\u3001\u4ee5\u4e0b\u3092\u884c\u3046\n<ol>\n<li>\u30bb\u30f3\u30c8\u30e9\u30eb \u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc \u30d5\u30a1\u30a4\u30eb \u30d8\u30c3\u30c0\u30fc\u306b\u79fb\u52d5\u3059\u308b<\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">Compression method (\u5727\u7e2e\u30e1\u30bd\u30c3\u30c9) <\/span>\u30d5\u30a3\u30fc\u30eb\u30c9\u3092\u63a2\u3059<\/li>\n<li>2 \u30d0\u30a4\u30c8\u306e\u30ea\u30c8\u30eb \u30a8\u30f3\u30c7\u30a3\u30a2\u30f3\u306e\u6574\u6570\u5024\u3092\u6b21\u306e\u3088\u3046\u306b\u5909\u66f4\u3059\u308b<span style=\"font-family: 'courier new', courier, monospace;\">0<\/span><span style=\"font-family: 'courier new', courier, monospace;\">(STORE)<\/span><\/li>\n<\/ol>\n<\/li>\n<li>\u3053\u308c\u306f\u6b21\u306e\u51fa\u529b\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u8868\u793a\u3057\u3066\u5931\u6557\u3059\u308b\u3002\u5931\u6557\u306e\u7406\u7531\u306f\u300c<span style=\"font-family: 'courier new', courier, monospace;\">Corrupt XML binary file (\u7834\u640d XML \u30d0\u30a4\u30ca\u30ea\u30fc \u30d5\u30a1\u30a4\u30eb)<\/span>\u300d\u30a8\u30e9\u30fc\u3068\u5831\u544a\u3055\u308c\u308b<\/li>\n<\/ol>\n<p><!-- Crayon Syntax Highlighter v_2.7.2_beta --><\/p>\n<pre class=\"lang:default decode:true\">$ adb install \"sample.apk\"\r\nadb: failed to install sample.apk: Failure \r\n[INSTALL_PARSE_FAILED_UNEXPECTED_EXCEPTION: Failed to parse \/data\/app\/vmdl123456789.tmp\/base.apk: Corrupt XML binary file]<\/pre>\n<p><!-- [Format Time: 0.0001 seconds] --><\/p>\n<h2><a id=\"post-135394-_wro1egk9l7n1\"><\/a>BadPack \u6280\u8853\u306e\u30de\u30cb\u30d5\u30a7\u30b9\u30c8<\/h2>\n<p>\u30de\u30eb\u30a6\u30a7\u30a2\u306e\u4f5c\u8005\u3089\u306f\u3001\u6b21\u306e 3 \u3064\u306e\u65b9\u6cd5\u306e\u3044\u305a\u308c\u304b\u3067 APK \u30d5\u30a1\u30a4\u30eb\u3092\u64cd\u4f5c\u3067\u304d\u307e\u3059\u3002\u4fee\u5fa9\u306e\u305f\u3081\u306e\u4fee\u6b63\u306f<span style=\"color: #ff0000;\">\u8d64<\/span>\u3067\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3><a id=\"post-135394-_qyvg5m2w8mqz\"><\/a>\u65b9\u6cd5 1: \u6b63\u3057\u3044\u5727\u7e2e\u30e1\u30bd\u30c3\u30c9\u3067\u3042\u308b STORE \u306f\u6307\u5b9a\u3059\u308b\u304c\u3001\u5727\u7e2e\u30b5\u30a4\u30ba\u304c\u7121\u52b9<\/h3>\n<p>\u3053\u308c\u306b\u3088\u308a APK \u30b5\u30f3\u30d7\u30eb\u30d5\u30a1\u30a4\u30eb\u3092\u51e6\u7406\u3059\u308b\u5206\u6790\u30c4\u30fc\u30eb\u306f\u6a5f\u80fd\u3057\u306a\u304f\u306a\u308a\u307e\u3059\u3002\u3067\u3059\u304c\u3001Android \u30c7\u30d0\u30a4\u30b9\u306e\u30b7\u30b9\u30c6\u30e0 \u30e9\u30f3\u30bf\u30a4\u30e0\u306f <span style=\"font-family: 'courier new', courier, monospace;\">Compression method (\u5727\u7e2e\u30e1\u30bd\u30c3\u30c9) <\/span>\u304c <span style=\"font-family: 'courier new', courier, monospace;\">STORE<\/span> \u306e\u5834\u5408\u3001\u30bb\u30f3\u30c8\u30e9\u30eb \u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc \u30d5\u30a1\u30a4\u30eb \u30d8\u30c3\u30c0\u30fc\u304b\u3089\u306e <span style=\"font-family: 'courier new', courier, monospace;\">Uncompressed Size (\u975e\u5727\u7e2e\u30b5\u30a4\u30ba)<\/span> \u30d5\u30a3\u30fc\u30eb\u30c9\u3092\u4f7f\u3044\u307e\u3059\u3002\u4ee5\u4e0b\u306b\u4f8b\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n<table style=\"width: 100%;\">\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\"><strong>SHA-256 \u30cf\u30c3\u30b7\u30e5:<\/strong><br \/>\n<\/span><span style=\"font-weight: 400; font-family: 'courier new', courier, monospace;\">0003445778b525bcb9d86b1651af6760da7a8f54a1d001c355a5d3ad915c94cb<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"text-decoration: underline;\"><span style=\"font-weight: 400;\">\u30ed\u30fc\u30ab\u30eb \u30d5\u30a1\u30a4\u30eb \u30d8\u30c3\u30c0\u30fc\u306e\u30d5\u30a3\u30fc\u30eb\u30c9<\/span><\/span><\/p>\n<p><span style=\"font-weight: 400; font-family: 'courier new', courier, monospace;\">Compression method (\u5727\u7e2e\u30e1\u30bd\u30c3\u30c9) = 0 (STORE)<\/span><\/p>\n<p><span style=\"font-family: 'courier new', courier, monospace;\">Compressed size (\u5727\u7e2e\u30b5\u30a4\u30ba) =<\/span><del><span style=\"font-family: 'courier new', courier, monospace;\">14417<\/span><\/del><span style=\"font-family: 'courier new', courier, monospace; color: #ff0000;\"> 41192<\/span><\/p>\n<p><span style=\"font-weight: 400; font-family: 'courier new', courier, monospace;\">Uncompressed size (\u975e\u5727\u7e2e\u30b5\u30a4\u30ba) = 41192<\/span><\/p>\n<p><span style=\"font-weight: 400; font-family: 'courier new', courier, monospace;\">Data (\u30c7\u30fc\u30bf) = \\x00\\x00\\x08\\x00 ...<\/span><\/p>\n<p><span style=\"text-decoration: underline;\">\u30bb\u30f3\u30c8\u30e9\u30eb \u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc \u30d5\u30a1\u30a4\u30eb \u30d8\u30c3\u30c0\u30fc\u306e\u30d5\u30a3\u30fc\u30eb\u30c9<\/span><\/p>\n<p><span style=\"font-weight: 400; font-family: 'courier new', courier, monospace;\">Compression method (\u5727\u7e2e\u30e1\u30bd\u30c3\u30c9) = 0 (STORE)<\/span><\/p>\n<p><span style=\"font-family: 'courier new', courier, monospace;\">Compressed size (\u5727\u7e2e\u30b5\u30a4\u30ba) =<\/span><del><span style=\"font-family: 'courier new', courier, monospace;\">14417<\/span><\/del><span style=\"font-family: 'courier new', courier, monospace; color: #ff0000;\"> 41192<\/span><\/p>\n<p><span style=\"font-weight: 400; font-family: 'courier new', courier, monospace;\">Uncompressed size (\u975e\u5727\u7e2e\u30b5\u30a4\u30ba) = 41192<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><a id=\"post-135394-_fr7yjcdw5q4e\"><\/a>\u65b9\u6cd5 2: DEFLATE \u4ee5\u5916\u306e\u4efb\u610f\u306e\u5727\u7e2e\u30e1\u30bd\u30c3\u30c9\u306e\u5024\u3092\u6307\u5b9a\u3057\u3066\u3044\u308b\u304c\u3001\u30da\u30a4\u30ed\u30fc\u30c9\u306e\u5b9f\u969b\u306e\u5727\u7e2e\u30e1\u30bd\u30c3\u30c9\u304c STORE<\/h3>\n<p>\u3053\u308c\u306b\u3088\u308a APK \u30b5\u30f3\u30d7\u30eb\u30d5\u30a1\u30a4\u30eb\u3092\u51e6\u7406\u3059\u308b\u5206\u6790\u30c4\u30fc\u30eb\u306f\u6a5f\u80fd\u3057\u306a\u304f\u306a\u308a\u307e\u3059\u3002\u3067\u3059\u304c\u3001Android \u30c7\u30d0\u30a4\u30b9\u306e\u30b7\u30b9\u30c6\u30e0 \u30e9\u30f3\u30bf\u30a4\u30e0\u306f\u672a\u77e5\u306e\u5727\u7e2e\u30e1\u30bd\u30c3\u30c9\u3092 <span style=\"font-family: 'courier new', courier, monospace;\">STORE<\/span> \u3068\u3057\u3066\u6271\u3044\u3001\u30bb\u30f3\u30c8\u30e9\u30eb \u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc \u30d5\u30a1\u30a4\u30eb \u30d8\u30c3\u30c0\u30fc\u304b\u3089 Uncompressed size (\u975e\u5727\u7e2e\u30b5\u30a4\u30ba) \u30d5\u30a3\u30fc\u30eb\u30c9\u3092\u8aad\u307f\u53d6\u308a\u307e\u3059\u3002\u4ee5\u4e0b\u306b\u4f8b\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n<table style=\"width: 100%;\">\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">SHA-256 \u30cf\u30c3\u30b7\u30e5:<br \/>\n<\/span><span style=\"font-weight: 400; font-family: 'courier new', courier, monospace;\">015bd2e799049f5e474b80cbbdcd592ce4e2dfbfae183bada86a9b6ec103e25e<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"text-decoration: underline;\"><span style=\"font-weight: 400;\">\u30ed\u30fc\u30ab\u30eb \u30d5\u30a1\u30a4\u30eb \u30d8\u30c3\u30c0\u30fc\u306e\u30d5\u30a3\u30fc\u30eb\u30c9<\/span><\/span><\/p>\n<p><span style=\"font-family: 'courier new', courier, monospace;\">Compression method (\u5727\u7e2e\u30e1\u30bd\u30c3\u30c9) = <del><span style=\"font-family: 'courier new', courier, monospace;\">27941<\/span><\/del><\/span><span style=\"font-family: 'courier new', courier, monospace; color: #ff0000;\"> 0 (STORE)<\/span><\/p>\n<p><span style=\"font-family: 'courier new', courier, monospace;\">Compressed size (\u5727\u7e2e\u30b5\u30a4\u30ba) =<\/span><del><span style=\"font-family: 'courier new', courier, monospace;\">6042<\/span><\/del><span style=\"font-family: 'courier new', courier, monospace; color: #ff0000;\"> 17264<\/span><\/p>\n<p><span style=\"font-family: 'courier new', courier, monospace;\">Uncompressed size (\u975e\u5727\u7e2e\u30b5\u30a4\u30ba) = 17264<\/span><\/p>\n<p><span style=\"font-family: 'courier new', courier, monospace;\">Data (\u30c7\u30fc\u30bf) = \\x00\\x00\\x08\\x00 ...<\/span><\/p>\n<p><span style=\"text-decoration: underline;\"><span style=\"font-weight: 400;\">\u30bb\u30f3\u30c8\u30e9\u30eb \u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc \u30d5\u30a1\u30a4\u30eb \u30d8\u30c3\u30c0\u30fc\u306e\u30d5\u30a3\u30fc\u30eb\u30c9<\/span><\/span><\/p>\n<p><span style=\"font-family: 'courier new', courier, monospace;\">Compression method (\u5727\u7e2e\u30e1\u30bd\u30c3\u30c9) = <\/span><del><span style=\"font-family: 'courier new', courier, monospace;\">38402<\/span><\/del> <span style=\"font-family: 'courier new', courier, monospace; color: #ff0000;\"> 0 (STORE)<\/span><\/p>\n<p><span style=\"font-family: 'courier new', courier, monospace;\">Compressed size (\u5727\u7e2e\u30b5\u30a4\u30ba) = <\/span><del><span style=\"font-family: 'courier new', courier, monospace;\">6042<\/span><\/del><span style=\"font-family: 'courier new', courier, monospace; color: #ff0000;\"> 17264<\/span><\/p>\n<p><span style=\"font-family: 'courier new', courier, monospace;\">Uncompressed size (\u975e\u5727\u7e2e\u30b5\u30a4\u30ba) = 17264<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><a id=\"post-135394-_8bywui3egfqo\"><\/a>\u65b9\u6cd5 3: \u30ed\u30fc\u30ab\u30eb \u30d5\u30a1\u30a4\u30eb \u30d8\u30c3\u30c0\u30fc\u306e\u307f\u306b\u4efb\u610f\u306e\u5727\u7e2e\u30e1\u30bd\u30c3\u30c9\u5024\u3092\u6307\u5b9a\u3059\u308b\u304c\u3001\u30da\u30a4\u30ed\u30fc\u30c9\u306e\u5b9f\u969b\u306e\u5727\u7e2e\u30e1\u30bd\u30c3\u30c9\u304c DEFLATE<\/h3>\n<p>\u3053\u308c\u306b\u3088\u308a APK \u30b5\u30f3\u30d7\u30eb\u30d5\u30a1\u30a4\u30eb\u3092\u51e6\u7406\u3059\u308b\u5206\u6790\u30c4\u30fc\u30eb\u306f\u6a5f\u80fd\u3057\u306a\u304f\u306a\u308a\u307e\u3059\u3002\u3067\u3059\u304c\u3001Android \u30c7\u30d0\u30a4\u30b9\u306e\u30b7\u30b9\u30c6\u30e0 \u30e9\u30f3\u30bf\u30a4\u30e0\u306f\u6b63\u5e38\u306a\u62bd\u51fa\u306e\u5b9f\u884c\u3092\u30bb\u30f3\u30c8\u30e9\u30eb \u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc \u30d5\u30a1\u30a4\u30eb \u30d8\u30c3\u30c0\u30fc\u306e\u30d5\u30a3\u30fc\u30eb\u30c9<em>\u306e\u307f<\/em>\u306b\u983c\u3063\u3066\u884c\u3063\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u5834\u5408\u3001\u5727\u7e2e\u30e1\u30bd\u30c3\u30c9\u306f\u6b63\u3057\u304f <span style=\"font-family: 'courier new', courier, monospace;\">DEFLATE<\/span> \u3068\u8a2d\u5b9a\u3055\u308c\u307e\u3059\u3002<\/p>\n<table style=\"width: 100%;\">\n<tbody>\n<tr>\n<td style=\"width: 100%;\"><span style=\"font-weight: 400;\">SHA-256 \u30cf\u30c3\u30b7\u30e5:<br \/>\n<\/span><span style=\"font-weight: 400; font-family: 'courier new', courier, monospace;\">131135a7c911bd45db8801ca336fc051246280c90ae5dafc33e68499d8514761<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 100%;\"><span style=\"text-decoration: underline;\"><span style=\"font-weight: 400;\">\u30ed\u30fc\u30ab\u30eb \u30d5\u30a1\u30a4\u30eb \u30d8\u30c3\u30c0\u30fc\u306e\u30d5\u30a3\u30fc\u30eb\u30c9<\/span><\/span><\/p>\n<p><span style=\"font-family: 'courier new', courier, monospace;\">Compression method (\u5727\u7e2e\u30e1\u30bd\u30c3\u30c9) = <\/span><del><span style=\"font-family: 'courier new', courier, monospace;\">-2221<\/span><\/del> <span style=\"font-family: 'courier new', courier, monospace; color: #ff0000;\"> 8 (DEFLATE)<\/span><\/p>\n<p><span style=\"font-weight: 400; font-family: 'courier new', courier, monospace;\">Compressed size (\u5727\u7e2e\u30b5\u30a4\u30ba) = 2254<\/span><\/p>\n<p><span style=\"font-weight: 400; font-family: 'courier new', courier, monospace;\">Uncompressed size (\u975e\u5727\u7e2e\u30b5\u30a4\u30ba) = 8380<\/span><\/p>\n<p><span style=\"font-weight: 400; font-family: 'courier new', courier, monospace;\">Data (\u30c7\u30fc\u30bf) = \\xad\\x58\\x39\\x73 ...<\/span><\/p>\n<p><span style=\"text-decoration: underline;\"><span style=\"font-weight: 400;\">\u30bb\u30f3\u30c8\u30e9\u30eb \u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc \u30d5\u30a1\u30a4\u30eb \u30d8\u30c3\u30c0\u30fc\u306e\u30d5\u30a3\u30fc\u30eb\u30c9<\/span><\/span><\/p>\n<p><span style=\"font-weight: 400; font-family: 'courier new', courier, monospace;\">Compression method (\u5727\u7e2e\u30e1\u30bd\u30c3\u30c9) = 8 (DEFLATE)<\/span><\/p>\n<p><span style=\"font-weight: 400; font-family: 'courier new', courier, monospace;\">Compressed size (\u5727\u7e2e\u30b5\u30a4\u30ba) = 2254<\/span><\/p>\n<p><span style=\"font-weight: 400; font-family: 'courier new', courier, monospace;\">Uncompressed size (\u975e\u5727\u7e2e\u30b5\u30a4\u30ba) = 8380<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><a id=\"post-135394-_mam1xtvfnezx\"><\/a>Android \u306e\u30de\u30eb\u30a6\u30a7\u30a2\u5206\u6790\u30c4\u30fc\u30eb<\/h2>\n<p>\u3053\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f BadPack \u624b\u6cd5\u304c\u5206\u6790\u56de\u907f\u30e1\u30ab\u30cb\u30ba\u30e0\u3068\u3057\u3066\u3069\u306e\u3088\u3046\u306b\u6a5f\u80fd\u3059\u308b\u304b\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002\u305d\u306e\u3055\u3044\u4e2d\u5fc3\u7684\u306b\u53d6\u308a\u4e0a\u3052\u308b\u306e\u306f\u3001\u30d5\u30a1\u30a4\u30eb\u62bd\u51fa\u30c4\u30fc\u30eb\u3068 Android \u9759\u7684\u5206\u6790\u30c4\u30fc\u30eb\u306b\u304a\u3044\u3066\u3001\u305d\u308c\u304c\u3069\u306e\u3088\u3046\u306b\u8868\u793a\u3055\u308c\u308b\u304b\u3067\u3059\u3002\u3053\u306e\u4f8b\u3067\u306f\u3001SHA-256 \u30cf\u30c3\u30b7\u30e5\u304c <span style=\"font-family: 'courier new', courier, monospace;\">90c41e52f5ac57b8bd056313063acadc753d44fb97c45c2dc58d4972fe9f9f21<\/span> \u306e APK \u30de\u30eb\u30a6\u30a7\u30a2\u30b5\u30f3\u30d7\u30eb\u3092\u4f7f\u3044\u307e\u3059\u3002\u307e\u305f\u3053\u306e\u30b5\u30f3\u30d7\u30eb\u306b\u306f\u3001\u524d\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u8aac\u660e\u3057\u305f BackPack \u30c6\u30af\u30cb\u30c3\u30af\u306e\u3046\u3061\u65b9\u6cd5 2 \u3092\u4f7f\u3044\u307e\u3059\u3002<\/p>\n<h3><a id=\"post-135394-_6njhdppsg7xw\"><\/a>7-Zip<\/h3>\n<p>\u30d5\u30a1\u30a4\u30eb \u30a2\u30fc\u30ab\u30a4\u30f4 \u30c4\u30fc\u30eb\u306e <a href=\"https:\/\/www.7-zip.org\" target=\"_blank\" rel=\"noopener\">7-Zip<\/a> \u306f\u3001APK \u30b5\u30f3\u30d7\u30eb\u304b\u3089 <span style=\"font-family: 'courier new', courier, monospace;\">AndroidManifest.xml<\/span> \u30d5\u30a1\u30a4\u30eb\u3092\u62bd\u51fa\u3067\u304d\u307e\u305b\u3093\u3002\u62bd\u51fa\u5931\u6557\u306e\u7406\u7531\u306f\u300c<span style=\"font-family: 'courier new', courier, monospace;\">Headers Error (\u30d8\u30c3\u30c0\u30fc \u30a8\u30e9\u30fc)<\/span>\u300d\u3068\u3055\u308c\u307e\u3059 (\u4e0b\u56f3 9)\u3002<\/p>\n<figure id=\"attachment_135585\" aria-describedby=\"caption-attachment-135585\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-135585 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/word-image-10365-135536-9.png\" alt=\"\u753b\u50cf 9 \u306f\u591a\u6570\u306e\u30b3\u30fc\u30c9\u884c\u304b\u3089\u306a\u308b\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u3067\u3059\u3002\u8d64\u3044\u77e9\u5f62\u3067\u5f37\u8abf\u8868\u793a\u3055\u308c\u3066\u3044\u308b\u306e\u306f\u3001ZIP \u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u30d0\u30f3\u30c9\u30eb\u3055\u308c\u305f APK \u30b5\u30f3\u30d7\u30eb\u3092\u30a2\u30f3\u30d1\u30c3\u30af\u3067\u304d\u306a\u304b\u3063\u305f\u3055\u3044\u306e\u30a8\u30e9\u30fc \u30b3\u30fc\u30c9\u3067\u3059\u3002 \" width=\"900\" height=\"478\" srcset=\"https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/word-image-10365-135536-9.png 2048w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/word-image-10365-135536-9-786x417.png 786w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/word-image-10365-135536-9-1319x700.png 1319w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/word-image-10365-135536-9-768x408.png 768w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/word-image-10365-135536-9-1536x815.png 1536w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><figcaption id=\"caption-attachment-135585\" class=\"wp-caption-text\">\u56f3 9. 7-Zip \u306f BadPack \u304c\u30d0\u30f3\u30c9\u30eb\u3055\u308c\u305f APK \u30b5\u30f3\u30d7\u30eb\u3092\u30a2\u30f3\u30d1\u30c3\u30af\u3067\u304d\u306a\u3044 (\u30b3\u30de\u30f3\u30c9\u51fa\u529b\u306f <a href=\"https:\/\/codesnap.dev\" target=\"_blank\" rel=\"noopener\">CodeSnap<\/a> \u3067\u4f5c\u6210)<\/figcaption><\/figure>\n<h3><a id=\"post-135394-_ep0qly6hwc7m\"><\/a>Apktool<\/h3>\n<p>\u300cAndroid\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30ea\u30d0\u30fc\u30b9 \u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u7528\u306b\u8a2d\u8a08\u3055\u308c\u305f\u5f37\u529b\u306a\u30c4\u30fc\u30eb\u300d\u3068\u5ba3\u4f1d\u3055\u308c\u3066\u3044\u308b <a href=\"https:\/\/apktool.org\" target=\"_blank\" rel=\"noopener\">Apktool<\/a> \u306f\u3001\u30ea\u30bd\u30fc\u30b9\u3092\u9006\u30b3\u30f3\u30d1\u30a4\u30eb\u3057\u3001\u53ef\u80fd\u306a\u9650\u308a\u4f5c\u6210\u3055\u308c\u305f\u3068\u304d\u306e\u72b6\u614b\u306b\u5fa9\u5143\u3059\u308b\u6a5f\u80fd\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u30c4\u30fc\u30eb\u3067\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u5909\u66f4\u3057\u3066\u304b\u3089\u518d\u30d3\u30eb\u30c9\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u4e0b\u56f3 10 \u306e\u30a8\u30e9\u30fc \u30e1\u30c3\u30bb\u30fc\u30b8\u300c<span style=\"font-family: 'courier new', courier, monospace;\">Invalid CEN header (bad compression method: 19466)<\/span>(\u4e0d\u6b63\u306a CEN \u30d8\u30c3\u30c0\u30fc (\u4e0d\u6b63\u306a\u5727\u7e2e\u30e1\u30bd\u30c3\u30c9: 19466)\u300d\u306f\u3001\u3053\u306e APK \u30b5\u30f3\u30d7\u30eb\u304c Apktool \u304c\u8a8d\u8b58\u3057\u306a\u3044\u975e\u6a19\u6e96\u307e\u305f\u306f\u72ec\u81ea\u306e\u5727\u7e2e\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u3066\u5727\u7e2e\u3055\u308c\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3053\u3068\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_135587\" aria-describedby=\"caption-attachment-135587\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-135587 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/word-image-13833-135536-10.png\" alt=\"\u753b\u50cf 10 \u306f\u3001\u591a\u6570\u306e\u30b3\u30fc\u30c9\u884c\u304b\u3089\u306a\u308b\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u3067\u3059\u3002\u8d64\u3044\u77e9\u5f62\u3067\u5f37\u8abf\u8868\u793a\u3055\u308c\u3066\u3044\u308b\u306e\u306f\u3001APK \u30b5\u30f3\u30d7\u30eb\u306e\u5c55\u958b\u306b\u5931\u6557\u3057\u305f\u3053\u3068\u3092\u793a\u3059\u30b3\u30fc\u30c9\u3067\u3059\u3002 \" width=\"800\" height=\"180\" srcset=\"https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/word-image-13833-135536-10.png 2048w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/word-image-13833-135536-10-786x177.png 786w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/word-image-13833-135536-10-1920x431.png 1920w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/word-image-13833-135536-10-768x173.png 768w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/word-image-13833-135536-10-1536x345.png 1536w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-135587\" class=\"wp-caption-text\">\u56f3 10. Apktool \u306f APK \u30b5\u30f3\u30d7\u30eb\u306e\u5c55\u958b\u306b\u5931\u6557\u3059\u308b (\u30b3\u30de\u30f3\u30c9\u51fa\u529b\u306f <a href=\"https:\/\/codesnap.dev\" target=\"_blank\" rel=\"noopener\">CodeSnap<\/a> \u3067\u4f5c\u6210)<\/figcaption><\/figure>\n<h3><a id=\"post-135394-_jh1birwxw40t\"><\/a>jadx<\/h3>\n<p>Android \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u7528\u306e\u30ea\u30d0\u30fc\u30b9 \u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0 \u30c4\u30fc\u30eb\u3068\u3057\u3066\u306f <a href=\"https:\/\/github.com\/skylot\/jadx\" target=\"_blank\" rel=\"noopener\">jadx<\/a> \u3082\u4eba\u6c17\u304c\u3042\u308a\u307e\u3059\u3002APK \u30de\u30eb\u30a6\u30a7\u30a2 \u30b5\u30f3\u30d7\u30eb\u3092 jadx \u306b\u30ed\u30fc\u30c9\u3057\u3088\u3046\u3068\u3059\u308b\u3068\u3001\u56f3 11 \u306b\u793a\u3059\u3088\u3046\u306b\u3001Apktool \u3068\u540c\u3058\u30a8\u30e9\u30fc \u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u751f\u6210\u3055\u308c\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_135589\" aria-describedby=\"caption-attachment-135589\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-135589 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/word-image-16667-135536-11.png\" alt=\"\u753b\u50cf 11 \u306f\u591a\u6570\u306e\u30b3\u30fc\u30c9\u884c\u304b\u3089\u306a\u308b\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u3067\u3059\u3002\u8d64\u3044\u77e9\u5f62\u3067\u5f37\u8abf\u8868\u793a\u3055\u308c\u3066\u3044\u308b\u884c\u306f\u3001jadex \u304c\u30b5\u30f3\u30d7\u30eb\u3092\u51e6\u7406\u3067\u304d\u306a\u304b\u3063\u305f\u30a8\u30e9\u30fc\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002 \" width=\"800\" height=\"557\" srcset=\"https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/word-image-16667-135536-11.png 2048w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/word-image-16667-135536-11-632x440.png 632w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/word-image-16667-135536-11-1006x700.png 1006w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/word-image-16667-135536-11-768x534.png 768w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/word-image-16667-135536-11-1536x1069.png 1536w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-135589\" class=\"wp-caption-text\">\u56f3 11. jadx \u306f\u540c\u3058 APK \u30b5\u30f3\u30d7\u30eb\u3092\u51e6\u7406\u3067\u304d\u306a\u3044 (\u30b3\u30de\u30f3\u30c9\u51fa\u529b\u306f <a href=\"https:\/\/codesnap.dev\" target=\"_blank\" rel=\"noopener\">CodeSnap<\/a> \u3067\u4f5c\u6210)<\/figcaption><\/figure>\n<p>\u3053\u306e\u30a8\u30e9\u30fc \u30e1\u30c3\u30bb\u30fc\u30b8\u306f\u3001APK \u30b5\u30f3\u30d7\u30eb\u306e\u6307\u5b9a\u3055\u308c\u305f\u5727\u7e2e\u30e1\u30bd\u30c3\u30c9\u306b\u554f\u984c\u304c\u3042\u308b\u3053\u3068\u3092\u660e\u78ba\u306b\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u4f5c\u8005\u304c\u610f\u56f3\u7684\u306b\u5727\u7e2e\u30e1\u30bd\u30c3\u30c9 \u30d5\u30a3\u30fc\u30eb\u30c9\u306e\u5024\u3092\u5909\u66f4\u3057\u305f\u305f\u3081\u306b\u767a\u751f\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3><a id=\"post-135394-_23t82foq85pk\"><\/a>JAR<\/h3>\n<p>\u53b3\u5bc6\u306b\u8a00\u3048\u3070\u3001APK \u30b5\u30f3\u30d7\u30eb\u306f <a href=\"https:\/\/docs.oracle.com\/javase\/8\/docs\/technotes\/guides\/jar\/jar.html\" target=\"_blank\" rel=\"noopener\">Java ARchiver (JAR) \u30d5\u30a1\u30a4\u30eb\u5f62\u5f0f\u306e\u4ed5\u69d8<\/a>\u306e\u4e00\u7a2e\u3067\u3059\u3002\u3068\u3044\u3046\u306e\u3082\u3001APK \u306b\u306f\u6a19\u6e96\u306e ZIP \u30d5\u30a1\u30a4\u30eb\u5f62\u5f0f\u306e\u8981\u4ef6\u306b\u52a0\u3048\u3066\u8ffd\u52a0\u3067 <span style=\"font-family: 'courier new', courier, monospace;\">META-INF\/MANIFEST.MF<\/span> \u30d5\u30a1\u30a4\u30eb\u3082\u542b\u307e\u308c\u3066\u3044\u308b\u304b\u3089\u3067\u3059\u3002\u305f\u3060\u3057 <a href=\"https:\/\/www.oracle.com\/sg\/java\/technologies\/downloads\" target=\"_blank\" rel=\"noopener\">Java \u958b\u767a\u30ad\u30c3\u30c8 (JDK) <\/a> \u306e JAR \u30c4\u30fc\u30eb\u3067\u306f\u3053\u306e <span style=\"font-family: 'courier new', courier, monospace;\">AndroidManifest.xml<\/span>\u30d5\u30a1\u30a4\u30eb\u3092\u62bd\u51fa\u3067\u304d\u307e\u305b\u3093\u3002\u56f3 12 \u306f\u305d\u308c\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_135591\" aria-describedby=\"caption-attachment-135591\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-135591 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/word-image-20811-135536-12.png\" alt=\"\u753b\u50cf 12 \u306f\u3001\u4f55\u884c\u3082\u306e\u30b3\u30fc\u30c9\u306e\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u3067\u3059\u3002JAR \u304c XML \u30d5\u30a1\u30a4\u30eb\u3092\u62bd\u51fa\u3067\u304d\u306a\u304b\u3063\u305f\u30a8\u30e9\u30fc\u3092\u793a\u3059\u884c\u304c\u8d64\u3044\u77e9\u5f62\u3067\u5f37\u8abf\u8868\u793a\u3055\u308c\u3066\u3044\u307e\u3059\u3002invalid compression method (\u5727\u7e2e\u30e1\u30bd\u30c3\u30c9\u304c\u7121\u52b9\u3067\u3059) \" width=\"800\" height=\"229\" srcset=\"https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/word-image-20811-135536-12.png 2048w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/word-image-20811-135536-12-786x225.png 786w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/word-image-20811-135536-12-1920x550.png 1920w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/word-image-20811-135536-12-768x220.png 768w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/word-image-20811-135536-12-1536x440.png 1536w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-135591\" class=\"wp-caption-text\">\u56f3 12. JAR \u304c <span style=\"font-family: 'courier new', courier, monospace;\">AndroidManifest.xml<\/span>\u30d5\u30a1\u30a4\u30eb\u3092\u62bd\u51fa\u3067\u304d\u306a\u3044\u3053\u3068\u3092\u793a\u3059\u30a8\u30e9\u30fc \u30e1\u30c3\u30bb\u30fc\u30b8 (\u30b3\u30de\u30f3\u30c9\u51fa\u529b\u306f <a href=\"https:\/\/codesnap.dev\" target=\"_blank\" rel=\"noopener\">CodeSnap<\/a> \u3067\u4f5c\u6210)<\/figcaption><\/figure>\n<h3><a id=\"post-135394-_crw1fnzcp0fb\"><\/a>unzip<\/h3>\n<p>\u56f3 13 \u306b\u793a\u3057\u305f\u30a8\u30e9\u30fc \u30e1\u30c3\u30bb\u30fc\u30b8\u300c<span style=\"font-family: 'courier new', courier, monospace;\">unsupported compression method 19466<\/span> (\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u306a\u3044\u5727\u7e2e\u30e1\u30bd\u30c3\u30c9 19466)\u300d\u306f\u3001<a href=\"https:\/\/linux.die.net\/man\/1\/unzip\" target=\"_blank\" rel=\"noopener\">unzip<\/a> \u30c4\u30fc\u30eb\u3092\u4f7f\u3063\u3066 APK \u30b5\u30f3\u30d7\u30eb\u3092\u5c55\u958b\u3057\u3088\u3046\u3068\u3057\u305f\u3055\u3044\u3001\u6307\u5b9a\u3055\u308c\u305f <span style=\"font-family: 'courier new', courier, monospace;\">AndroidManifest.xml<\/span>\u30d5\u30a1\u30a4\u30eb\u7528\u306e\u5727\u7e2e\u30e1\u30bd\u30c3\u30c9\u3092\u30b5\u30dd\u30fc\u30c8\u307e\u305f\u306f\u8a8d\u8b58\u3057\u3066\u3044\u306a\u3044\u3053\u3068\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u30a8\u30e9\u30fc\u306f\u3001\u30a2\u30fc\u30ab\u30a4\u30d6\u5185\u306e\u7279\u5b9a\u306e\u30d5\u30a1\u30a4\u30eb\u304c\u975e\u6a19\u6e96\u307e\u305f\u306f\u72ec\u81ea\u306e\u5727\u7e2e\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u3066\u5727\u7e2e\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u306b\u767a\u751f\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u30a2\u30fc\u30ab\u30a4\u30d6\u5185\u306e\u307b\u304b\u306e\u3059\u3079\u3066\u306e\u30d5\u30a1\u30a4\u30eb\u306f\u3001\u30a8\u30e9\u30fc\u306a\u3057\u3067\u6b63\u5e38\u306b\u62bd\u51fa\u307e\u305f\u306f\u5c55\u958b\u3055\u308c\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_135593\" aria-describedby=\"caption-attachment-135593\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-135593 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/word-image-23762-135536-13.png\" alt=\"\u753b\u50cf 13 \u306f\u3001\u591a\u6570\u306e\u30b3\u30fc\u30c9\u884c\u304b\u3089\u306a\u308b\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u3067\u3059\u3002\u8d64\u3044\u77e9\u5f62\u3067\u5f37\u8abf\u8868\u793a\u3055\u308c\u3066\u3044\u308b\u306e\u306f\u3001Unzip \u30c4\u30fc\u30eb\u304c XML \u30d5\u30a1\u30a4\u30eb\u3092\u89e3\u51cd\u3067\u304d\u306a\u304b\u3063\u305f\u30a8\u30e9\u30fc\u3092\u793a\u3059\u884c\u3067\u3059\u3002Unsupported compression method 19466 (\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u306a\u3044\u5727\u7e2e\u30e1\u30bd\u30c3\u30c9 19466) \" width=\"900\" height=\"242\" srcset=\"https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/word-image-23762-135536-13.png 2048w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/word-image-23762-135536-13-786x211.png 786w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/word-image-23762-135536-13-1920x517.png 1920w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/word-image-23762-135536-13-768x207.png 768w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/word-image-23762-135536-13-1536x413.png 1536w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><figcaption id=\"caption-attachment-135593\" class=\"wp-caption-text\">\u56f3 13. unzip \u30c4\u30fc\u30eb\u3067\u306f <span style=\"font-family: 'courier new', courier, monospace;\">AndroidManifest.xml<\/span>\u30d5\u30a1\u30a4\u30eb\u3092\u5c55\u958b\u3067\u304d\u306a\u3044 (\u30b3\u30de\u30f3\u30c9\u51fa\u529b\u306f <a href=\"https:\/\/codesnap.dev\" target=\"_blank\" rel=\"noopener\">CodeSnap<\/a> \u3067\u4f5c\u6210)<\/figcaption><\/figure>\n<h3><a id=\"post-135394-_ygyptnjmjos3\"><\/a>apksigner<\/h3>\n<p>\u516c\u5f0f\u306e <a href=\"https:\/\/developer.android.com\/tools\/releases\/platform-tools\" target=\"_blank\" rel=\"noopener\">Android SDK<\/a> \u306b\u540c\u68b1\u3055\u308c\u3066\u3044\u308b <a href=\"https:\/\/github.com\/fornwall\/apksigner\" target=\"_blank\" rel=\"noopener\">apksigner<\/a> \u3068\u3044\u3046\u30c4\u30fc\u30eb\u306f\u3001APK \u30d5\u30a1\u30a4\u30eb\u306b\u7f72\u540d\u3057\u3001\u7f72\u540d\u3092\u691c\u8a3c\u3059\u308b\u305f\u3081\u306b\u3088\u304f\u4f7f\u308f\u308c\u3066\u3044\u307e\u3059\u3002\u305f\u3060\u3057\u3001BadPack \u304c\u30d0\u30f3\u30c9\u30eb\u3055\u308c\u305f APK \u30b5\u30f3\u30d7\u30eb\u306e\u7f72\u540d\u306e\u691c\u8a3c\u306b\u306f\u5931\u6557\u3057\u307e\u3059\u3002\u4e0b\u306e\u56f3 14 \u306f\u96e3\u8aad\u5316\u304c\u3055\u308c\u3066\u3044\u305f\u305f\u3081\u306b <span style=\"font-family: 'courier new', courier, monospace;\">AndroidManifest.xml<\/span> \u30d5\u30a1\u30a4\u30eb\u3092\u8aad\u307f\u53d6\u308c\u306a\u304b\u3063\u305f\u3053\u3068\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_135595\" aria-describedby=\"caption-attachment-135595\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-135595 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/word-image-26844-135536-14.png\" alt=\"\u753b\u50cf 14 \u306f\u4f55\u884c\u3082\u3042\u308b\u30b3\u30fc\u30c9\u306e\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u3067\u3059\u3002\u8d64\u3044\u77e9\u5f62\u3067\u5f37\u8abf\u8868\u793a\u3055\u308c\u3066\u3044\u308b\u306e\u306f\u3001apksigner \u304c XML \u30d5\u30a1\u30a4\u30eb\u3092\u8aad\u307f\u53d6\u308b\u3053\u3068\u304c\u3067\u304d\u306a\u304b\u3063\u305f\u30a8\u30e9\u30fc\u3092\u793a\u3059\u884c\u3067\u3059\u3002Data of entry AndroidManifest.xml malformed (AndroidManifest.xml \u30a8\u30f3\u30c8\u30ea\u30fc\u306e\u30c7\u30fc\u30bf\u304c\u4e0d\u6b63) \" width=\"800\" height=\"491\" srcset=\"https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/word-image-26844-135536-14.png 2048w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/word-image-26844-135536-14-717x440.png 717w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/word-image-26844-135536-14-1140x700.png 1140w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/word-image-26844-135536-14-768x471.png 768w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/word-image-26844-135536-14-1536x943.png 1536w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-135595\" class=\"wp-caption-text\">\u56f3 14. apksigner \u306f <span style=\"font-family: 'courier new', courier, monospace;\">AndroidManifest.xml<\/span> \u306e\u8aad\u307f\u53d6\u308a\u306b\u5931\u6557\u3059\u308b (\u30b3\u30de\u30f3\u30c9\u51fa\u529b\u306f <a href=\"https:\/\/codesnap.dev\" target=\"_blank\" rel=\"noopener\">CodeSnap<\/a> \u3067\u4f5c\u6210)<\/figcaption><\/figure>\n<h3><a id=\"post-135394-_13tce7ad947z\"><\/a>apkInspector<\/h3>\n<p>\u3053\u306e\u30c8\u30d4\u30c3\u30af\u3092\u8abf\u67fb\u4e2d\u3001\u79c1\u305f\u3061\u306f\u3053\u306e <span style=\"font-family: 'courier new', courier, monospace;\">AndroidManifest.xml<\/span>\u30d5\u30a1\u30a4\u30eb\u3092\u62bd\u51fa\u3067\u304d\u308b\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9 \u30c4\u30fc\u30eb\u3092\u898b\u3064\u3051\u307e\u3057\u305f\u3002<\/p>\n<p>2023 \u5e74 12 \u6708 31 \u65e5\u306b\u6700\u521d\u306b\u516c\u958b\u3055\u308c\u305f <a href=\"https:\/\/github.com\/erev0s\/apkInspector\" target=\"_blank\" rel=\"noopener\">apkInspector<\/a> \u3068\u3044\u3046\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9 \u30c4\u30fc\u30eb\u3067\u3001\u3053\u308c\u306f\u751f\u306e APK \u30d5\u30a1\u30a4\u30eb\u306e\u4f4e\u30ec\u30d9\u30eb\u306e ZIP \u69cb\u9020\u306b\u95a2\u3057\u3001\u8a73\u7d30\u306a\u60c5\u5831\u3092\u63d0\u4f9b\u3057\u3066\u304f\u308c\u307e\u3059\u3002\u5143\u306e <span style=\"font-family: 'courier new', courier, monospace;\">AndroidManifest.xml<\/span> \u30d5\u30a1\u30a4\u30eb\u306f\u30d0\u30a4\u30ca\u30ea\u30fc\u5f62\u5f0f\u3067\u4eba\u9593\u306b\u3088\u308b\u5224\u8aad\u304c\u3067\u304d\u307e\u305b\u3093\u304c\u3001\u3053\u306e\u30c4\u30fc\u30eb\u3067\u306f APK \u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u62bd\u51fa\u3057\u3066 <span style=\"font-family: 'courier new', courier, monospace;\">AndroidManifest.xml<\/span>\u30d5\u30a1\u30a4\u30eb\u3092\u30c7\u30b3\u30fc\u30c9\u3059\u308b\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059\u3002\u3053\u308c\u3092\u79c1\u305f\u3061\u306e\u30b5\u30f3\u30d7\u30eb APK \u30b5\u30f3\u30d7\u30eb\u3067\u5b9f\u884c\u3057\u305f\u3068\u3053\u308d\u3001\u5b9f\u969b\u306b <span style=\"font-family: 'courier new', courier, monospace;\">AndroidManifest.xml<\/span>\u30d5\u30a1\u30a4\u30eb\u306e\u62bd\u51fa\u30fb\u30c7\u30b3\u30fc\u30c9\u306e\u4e21\u65b9\u304c\u53ef\u80fd\u3067\u3042\u308b\u3053\u3068\u304c\u78ba\u8a8d\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n<p>\u4e0b\u306e\u56f3 15 \u306f apkInspector \u304c <span style=\"font-family: 'courier new', courier, monospace;\">AndroidManifest.xml<\/span> \u306e\u62bd\u51fa\u306b\u6210\u529f\u3057\u305f\u3053\u3068\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u62bd\u51fa\u306b\u6210\u529f\u3059\u308b\u7406\u7531\u306f\u3001\u3053\u306e\u30c4\u30fc\u30eb\u304c\u6539\u3056\u3093\u3055\u308c\u305f <span style=\"font-family: 'courier new', courier, monospace;\">DEFLATE<\/span> \u3084 <span style=\"font-family: 'courier new', courier, monospace;\">STORE<\/span> \u5727\u7e2e\u30e1\u30bd\u30c3\u30c9\u3092\u6271\u3046\u80fd\u529b\u3092\u5099\u3048\u3066\u3044\u308b\u305f\u3081\u3067\u3001<a href=\"https:\/\/github.com\/erev0s\/apkInspector\/blob\/main\/apkInspector\/extract.py#L51-L55\" target=\"_blank\" rel=\"noopener\">\u62bd\u51fa\u7528\u306e Python \u30b3\u30fc\u30c9<\/a> \u3092\u898b\u308b\u3068\u305d\u308c\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_135597\" aria-describedby=\"caption-attachment-135597\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-135597 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/word-image-30651-135536-15.png\" alt=\"\u753b\u50cf 15 \u306f\u3001\u4f55\u884c\u3082\u306e\u30b3\u30fc\u30c9\u306e\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u3067\u3059\u3002\u8d64\u3044\u77e9\u5f62\u3067\u5f37\u8abf\u8868\u793a\u3055\u308c\u3066\u3044\u308b\u884c\u306f\u3001\u30d0\u30a4\u30ca\u30ea\u30fc\u306e XML \u30d5\u30a1\u30a4\u30eb\u304c\u6b63\u5e38\u306b\u62bd\u51fa\u3055\u308c\u305f\u5834\u6240\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u300cExtraction successful (\u62bd\u51fa\u6210\u529f)\u300d \" width=\"900\" height=\"198\" srcset=\"https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/word-image-30651-135536-15.png 2048w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/word-image-30651-135536-15-786x173.png 786w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/word-image-30651-135536-15-1920x423.png 1920w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/word-image-30651-135536-15-768x169.png 768w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/word-image-30651-135536-15-1536x338.png 1536w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><figcaption id=\"caption-attachment-135597\" class=\"wp-caption-text\">\u56f3 15. apkInspector \u304c\u30d0\u30a4\u30ca\u30ea\u30fc\u306e <span style=\"font-family: 'courier new', courier, monospace;\">AndroidManifest.xml<\/span> \u3092 17,244 \u30d0\u30a4\u30c8\u62bd\u51fa (\u30b3\u30de\u30f3\u30c9\u51fa\u529b\u306f <a href=\"https:\/\/codesnap.dev\" target=\"_blank\" rel=\"noopener\">CodeSnap<\/a> \u3067\u4f5c\u6210)<\/figcaption><\/figure>\n<h2><a id=\"post-135394-_e50eeqks9a0d\"><\/a>\u7d50\u8ad6<\/h2>\n<p>Android \u30c7\u30d0\u30a4\u30b9\u6570\u306e\u5897\u52a0\u306f\u3001\u540c\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3078\u306e\u30de\u30eb\u30a6\u30a7\u30a2\u653b\u6483\u3078\u306e\u5bfe\u6297\u4e0a\u3001\u5927\u304d\u306a\u8ab2\u984c\u3092\u62b1\u3048\u308b\u6a19\u7684\u306e\u5897\u52a0\u3092\u3082\u305f\u3089\u3059\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002BadPack \u3092\u4f7f\u3046 APK \u30d5\u30a1\u30a4\u30eb\u306e\u5b58\u5728\u306f APK \u30de\u30eb\u30a6\u30a7\u30a2 \u30b5\u30f3\u30d7\u30eb\u306e\u9ad8\u5ea6\u5316\u3092\u53cd\u6620\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306f\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u30a2\u30ca\u30ea\u30b9\u30c8\u306b\u3068\u3063\u3066\u5927\u304d\u306a\u8ab2\u984c\u3068\u306a\u308b\u3060\u3051\u3067\u306a\u304f\u3001\u3053\u308c\u3089\u306e\u8105\u5a01\u3092\u7279\u5b9a\u30fb\u7de9\u548c\u3059\u308b\u305f\u3081\u306e\u9769\u65b0\u7684\u6280\u8853\u3084\u30c4\u30fc\u30eb\u3092\u7d99\u7d9a\u7684\u306b\u958b\u767a\u3059\u308b\u5fc5\u8981\u6027\u3092\u5f37\u8abf\u3059\u308b\u3082\u306e\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u5ba3\u4f1d\u3057\u3066\u3044\u308b\u6a5f\u80fd\u3068\u4e00\u81f4\u3057\u306a\u3044\u7570\u5e38\u306a\u6a29\u9650\u3092\u8981\u6c42\u3059\u308b Android \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u306f\u7591\u3044\u3092\u62b1\u304f\u3079\u304d\u3067\u3059\u3002\u4f8b\u3048\u3070\u3001Android \u306e\u61d0\u4e2d\u96fb\u706f\u30a2\u30d7\u30ea\u304c\u30c7\u30d0\u30a4\u30b9\u306e\u96fb\u8a71\u5e33\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u6a29\u9650\u3092\u8981\u6c42\u3057\u3066\u304f\u308b\u3088\u3046\u306a\u30b1\u30fc\u30b9\u3067\u3059\u3002\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3 \u30b9\u30c8\u30a2\u304c\u63d0\u4f9b\u3059\u308b\u30a2\u30d7\u30ea\u3092\u30c7\u30d0\u30a4\u30b9\u306b\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u3053\u3068\u3082\u3082\u907f\u3051\u308b\u3088\u3046\u304a\u52e7\u3081\u3057\u307e\u3059\u3002<\/p>\n<p>\u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u306e\u304a\u5ba2\u69d8\u306f\u3001<a href=\"https:\/\/www.paloaltonetworks.jp\/network-security\/advanced-wildfire\" target=\"_blank\" rel=\"noopener\">Advanced WildFire<\/a>\u3001<a href=\"https:\/\/www.paloaltonetworks.jp\/network-security\/dns-security\" target=\"_blank\" rel=\"noopener\">Advanced DNS Security<\/a>\u3001<a href=\"https:\/\/www.paloaltonetworks.jp\/network-security\/advanced-url-filtering\" target=\"_blank\" rel=\"noopener\">Advanced URL Filtering<\/a> \u306a\u3069\u306e <a href=\"https:\/\/www.paloaltonetworks.jp\/network-security\/security-subscriptions\" target=\"_blank\" rel=\"noopener\">Cloud-Delivered Security Services (\u30af\u30e9\u30a6\u30c9\u914d\u4fe1\u578b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u30b5\u30fc\u30d3\u30b9) <\/a>\u3092\u6709\u52b9\u306b\u3057\u305f<a href=\"https:\/\/www.paloaltonetworks.jp\/network-security\/next-generation-firewall\" target=\"_blank\" rel=\"noopener\">\u6b21\u4e16\u4ee3\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb (NGFW) <\/a> \u306b\u3088\u308a\u3001BadPack \u306e APK \u30b5\u30f3\u30d7\u30eb\u304b\u3089\u3088\u308a\u9069\u5207\u306b\u4fdd\u8b77\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u4fb5\u5bb3\u306e\u61f8\u5ff5\u304c\u3042\u308a\u5f0a\u793e\u306b\u30a4\u30f3\u30b7\u30c7\u30f3\u30c8\u30ec\u30b9\u30dd\u30f3\u30b9\u306b\u95a2\u3059\u308b\u3054\u76f8\u8ac7\u3092\u306a\u3055\u308a\u305f\u3044\u5834\u5408\u306f\u3001<a href=\"https:\/\/start.paloaltonetworks.jp\/contact-unit42.html\" target=\"_blank\" rel=\"noopener\">\u3053\u3061\u3089<\/a>\u306e\u554f\u3044\u5408\u308f\u305b\u30d5\u30a9\u30fc\u30e0\u304b\u3089\u3054\u9023\u7d61\u3044\u305f\u3060\u304f\u304b\u3001infojapan@paloaltonetworks.com \u307e\u3067\u96fb\u5b50\u30e1\u30fc\u30eb\u306b\u3066\u3054\u9023\u7d61\u3044\u305f\u3060\u304f\u304b\u3001\u4e0b\u8a18\u306e\u96fb\u8a71\u756a\u53f7\u307e\u3067\u304a\u554f\u3044\u5408\u308f\u305b\u304f\u3060\u3055\u3044(\u3054\u76f8\u8ac7\u306f\u5f0a\u793e\u88fd\u54c1\u306e\u304a\u5ba2\u69d8\u306b\u306f\u9650\u5b9a\u3055\u308c\u307e\u305b\u3093)\u3002<\/p>\n<ul>\n<li>\u5317\u7c73\u30d5\u30ea\u30fc\u30c0\u30a4\u30e4\u30eb: 866.486.4842 (866.4.UNIT42)<\/li>\n<li>EMEA: +31.20.299.3130<\/li>\n<li>APAC: +65.6983.8730<\/li>\n<li>\u65e5\u672c: (+81) 50-1790-0200<\/li>\n<\/ul>\n<p>\u5f0a\u793e\u306f\u3053\u308c\u3089\u306e\u8abf\u67fb\u7d50\u679c\u3092 Google \u306b\u5831\u544a\u6e08\u307f\u3067\u3059\u3002Google \u306e\u73fe\u5728\u306e\u691c\u51fa\u7d50\u679c\u306b\u3088\u308b\u3068\u3001\u3053\u306e\u30de\u30eb\u30a6\u30a7\u30a2\u3092\u542b\u3080\u30a2\u30d7\u30ea\u306f Google Play \u306b\u306f\u898b\u3064\u304b\u3063\u3066\u3044\u307e\u305b\u3093\u3002Android \u30e6\u30fc\u30b6\u30fc\u306f\u3001\u3053\u306e\u30de\u30eb\u30a6\u30a7\u30a2\u306e\u65e2\u77e5\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u304b\u3089 <a href=\"https:\/\/support.google.com\/googleplay\/answer\/2812853?hl=ja\" target=\"_blank\" rel=\"noopener\">Google Play \u30d7\u30ed\u30c6\u30af\u30c8<\/a>\u306b\u3088\u308a\u81ea\u52d5\u7684\u306b\u4fdd\u8b77\u3055\u308c\u3066\u3044\u307e\u3059\u3002Google Play \u30d7\u30ed\u30c6\u30af\u30c8\u306f\u3001Google Play \u958b\u767a\u8005\u30b5\u30fc\u30d3\u30b9\u3092\u642d\u8f09\u3057\u305f Android \u30c7\u30d0\u30a4\u30b9\u3067\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u30aa\u30f3\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002Google Play \u30d7\u30ed\u30c6\u30af\u30c8\u306f\u3001\u60aa\u610f\u306e\u3042\u308b\u52d5\u4f5c\u3092\u793a\u3059\u3053\u3068\u304c\u308f\u304b\u3063\u3066\u3044\u308b\u30a2\u30d7\u30ea\u306b\u3064\u3044\u3066\u3001\u305f\u3068\u3048\u305d\u308c\u304c Google Play \u30b9\u30c8\u30a2\u4ee5\u5916\u306e\u30bd\u30fc\u30b9\u304b\u3089\u63d0\u4f9b\u3055\u308c\u3066\u3044\u308b\u3082\u306e\u3067\u3042\u3063\u3066\u3082\u3001\u30e6\u30fc\u30b6\u30fc\u306b\u8b66\u544a\u3057\u305f\u308a\u3001\u30a2\u30d7\u30ea\u3092\u30d6\u30ed\u30c3\u30af\u3057\u305f\u308a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u306f\u3001\u3053\u308c\u3089\u306e\u8abf\u67fb\u7d50\u679c\u3092 Cyber Threat Alliance (CTA: \u30b5\u30a4\u30d0\u30fc\u8105\u5a01\u30a2\u30e9\u30a4\u30a2\u30f3\u30b9) \u306e\u30e1\u30f3\u30d0\u30fc\u3068\u5171\u6709\u3057\u307e\u3057\u305f\u3002CTA \u306e\u30e1\u30f3\u30d0\u30fc\u306f\u3053\u306e\u30a4\u30f3\u30c6\u30ea\u30b8\u30a7\u30f3\u30b9\u3092\u4f7f\u3063\u3066\u3001\u304a\u5ba2\u3055\u307e\u306b\u4fdd\u8b77\u3092\u8fc5\u901f\u306b\u63d0\u4f9b\u3057\u3001\u60aa\u610f\u306e\u3042\u308b\u30b5\u30a4\u30d0\u30fc\u653b\u6483\u8005\u3092\u4f53\u7cfb\u7684\u306b\u963b\u5bb3\u3067\u304d\u307e\u3059\u3002\u8a73\u7d30\u306f <a href=\"https:\/\/www.cyberthreatalliance.org\/\" target=\"_blank\" rel=\"noopener\">Cyber Threat Alliance<\/a> \u306b\u3066\u3054\u78ba\u8a8d\u304f\u3060\u3055\u3044\uff61<\/p>\n<h2><a id=\"post-135394-_m2lwfrip0koa\"><\/a>IoC (\u4fb5\u5bb3\u6307\u6a19)<\/h2>\n<p>BadPack \u30de\u30eb\u30a6\u30a7\u30a2 \u30b5\u30f3\u30d7\u30eb\u306e SHA256 \u30cf\u30c3\u30b7\u30e5:<\/p>\n<ul>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">0003445778b525bcb9d86b1651af6760da7a8f54a1d001c355a5d3ad915c94cb<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">015bd2e799049f5e474b80cbbdcd592ce4e2dfbfae183bada86a9b6ec103e25e<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">131135a7c911bd45db8801ca336fc051246280c90ae5dafc33e68499d8514761<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\">90c41e52f5ac57b8bd056313063acadc753d44fb97c45c2dc58d4972fe9f9f21<\/span><\/li>\n<\/ul>\n<h2><a id=\"post-135394-_aaslq2gvcqjj\"><\/a>\u8ffd\u52a0\u30ea\u30bd\u30fc\u30b9<\/h2>\n<ul>\n<li><a href=\"https:\/\/source.android.com\/docs\/security\/features\/apksigning\/v2\" target=\"_blank\" rel=\"noopener\">APK Signature Scheme v2<\/a> \u2013 Android Open Source Project<\/li>\n<li><a href=\"https:\/\/apktool.org\/docs\/the-basics\/intro\" target=\"_blank\" rel=\"noopener\">Introduction<\/a> \u2013 Apktool documentation<\/li>\n<li><a href=\"https:\/\/developer.android.com\/guide\/topics\/manifest\/manifest-intro?hl=ja\" target=\"_blank\" rel=\"noopener\">App manifest overview<\/a> \u2013 Develop for Android<\/li>\n<li><a href=\"https:\/\/android.googlesource.com\/?format=HTML\" target=\"_blank\" rel=\"noopener\">Git repositories for Android<\/a> \u2013 Google Git<\/li>\n<li><a href=\"https:\/\/www.zimperium.com\/blog\/over-3000-android-malware-samples-using-multiple-techniques-to-bypass-detection\" target=\"_blank\" rel=\"noopener\">Over 3,000 Android Malware Samples Using Multiple Techniques to Bypass Detection<\/a> \u2013 Fernando Ortega for Zimperium<\/li>\n<li><a href=\"https:\/\/github.com\/fornwall\/apksigner\" target=\"_blank\" rel=\"noopener\">Repository for apksigner<\/a> \u2013 Fredrik Fornwall on GitHub<\/li>\n<li><a href=\"https:\/\/github.com\/skylot\/jadx\" target=\"_blank\" rel=\"noopener\">Repository for Jadx<\/a> \u2013 Skylot on GitHub<\/li>\n<li><a href=\"https:\/\/en.wikipedia.org\/wiki\/ZIP_(\u30d5\u30a1\u30a4\u30eb\u5f62\u5f0f)\" target=\"_blank\" rel=\"noopener\">The structure of a PKZip file<\/a> \u2013 Florian Buchholz, Assistant Professor in the Department of Computer Science, James Madison University<\/li>\n<li><a href=\"https:\/\/erev0s.com\/blog\/unmasking-evasive-threats-with-apkinspector\" target=\"_blank\" rel=\"noopener\">Unmasking Evasive Threats with apkInspector<\/a> \u2013 erev0s<\/li>\n<\/ul>\n<p class=\"p1\"><i>2024-07-17 18:30 JST \u82f1\u8a9e\u7248\u66f4\u65b0\u65e5 2024-07-16 06:40 PDT \u306e\u5185\u5bb9\u3092\u53cd\u6620\u3057\u3066\u56f3 4 \u306e\u5185\u5bb9\u3092\u4fee\u6b63\u00a0<\/i><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6982\u8981 \u672c\u7a3f\u3067\u306f\u3001BadPack Android \u30de\u30eb\u30a6\u30a7\u30a2\u306e\u6700\u8fd1\u306e\u30b5\u30f3\u30d7\u30eb\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u3001\u3053\u306e\u8105\u5a01\u306e\u6539\u3056\u3093\u3055\u308c\u305f\u30d8\u30c3\u30c0\u30fc\u304c\u30de\u30eb\u30a6\u30a7\u30a2\u5206\u6790\u3092\u59a8\u5bb3\u3059\u308b\u4ed5\u7d44\u307f\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002\u307e\u305f\u3001\u3055\u307e\u3056\u307e\u306a\u7121\u6599\u30c4\u30fc\u30eb\u306e\u6709\u52b9\u6027\u306b\u3064\u3044\u3066\u3082\u691c\u8a0e<\/p>\n","protected":false},"author":323,"featured_media":135538,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[1974,4428],"tags":[4909,4753,4717,4729,4911],"product_categories":[4441,4443,4444,4446,4456,4465],"coauthors":[3893],"class_list":["post-135620","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-malware-ja","category-threat-research-ja","tag-android-ja","tag-android-apk-ja","tag-banking-trojan-ja","tag-bianlian-ja","tag-cerberus-trojan-ja","product_categories-advanced-dns-security-ja","product_categories-advanced-url-filtering-ja","product_categories-advanced-wildfire-ja","product_categories-cloud-delivered-security-services-ja","product_categories-next-generation-firewall-ja","product_categories-unit-42-incident-response-ja"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.0 (Yoast SEO v27.0) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>BadPack \u306b\u3054\u7528\u5fc3: Android \u30a2\u30d7\u30ea\u306e\u5947\u5999\u306a\u5206\u6790\u56de\u907f\u30c8\u30ea\u30c3\u30af<\/title>\n<meta name=\"description\" content=\"\u5f0a\u793e\u306e\u30c7\u30fc\u30bf\u304b\u3089\u30de\u30eb\u30a6\u30a7\u30a2\u5206\u6790\u3092\u59a8\u5bb3\u3059\u308b BadPack \u30d5\u30a1\u30a4\u30eb\u3092\u30d0\u30f3\u30c9\u30eb\u3057\u305f Android \u7528 APK \u30de\u30eb\u30a6\u30a7\u30a2\u306e\u5897\u52a0\u50be\u5411\u304c\u898b\u3048\u3066\u304d\u307e\u3057\u305f\u3002\u672c\u7a3f\u306f\u3053\u306e BadPack \u6280\u8853\u306b\u3064\u3044\u3066 Zip \u5f62\u5f0f\u306e\u6982\u8981\u304b\u3089\u5206\u6790\u30c4\u30fc\u30eb\u306e\u6709\u52b9\u6027\u691c\u8a3c\u307e\u3067\u5e83\u304f\u898b\u3066\u3044\u304d\u307e\u3059\u3002\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/unit42.paloaltonetworks.com\/ja\/apk-badpack-malware-tampered-headers\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"BadPack \u306b\u3054\u7528\u5fc3: Android \u30a2\u30d7\u30ea\u306e\u5947\u5999\u306a\u5206\u6790\u56de\u907f\u30c8\u30ea\u30c3\u30af\" \/>\n<meta property=\"og:description\" content=\"\u5f0a\u793e\u306e\u30c7\u30fc\u30bf\u304b\u3089\u30de\u30eb\u30a6\u30a7\u30a2\u5206\u6790\u3092\u59a8\u5bb3\u3059\u308b BadPack \u30d5\u30a1\u30a4\u30eb\u3092\u30d0\u30f3\u30c9\u30eb\u3057\u305f Android \u7528 APK \u30de\u30eb\u30a6\u30a7\u30a2\u306e\u5897\u52a0\u50be\u5411\u304c\u898b\u3048\u3066\u304d\u307e\u3057\u305f\u3002\u672c\u7a3f\u306f\u3053\u306e BadPack \u6280\u8853\u306b\u3064\u3044\u3066 Zip \u5f62\u5f0f\u306e\u6982\u8981\u304b\u3089\u5206\u6790\u30c4\u30fc\u30eb\u306e\u6709\u52b9\u6027\u691c\u8a3c\u307e\u3067\u5e83\u304f\u898b\u3066\u3044\u304d\u307e\u3059\u3002\" \/>\n<meta property=\"og:url\" content=\"https:\/\/unit42.paloaltonetworks.com\/ja\/apk-badpack-malware-tampered-headers\/\" \/>\n<meta property=\"og:site_name\" content=\"Unit 42\" \/>\n<meta property=\"article:published_time\" content=\"2024-07-16T10:00:51+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-07-23T23:34:32+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/07_Malware_Category_1920x900.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1920\" \/>\n\t<meta property=\"og:image:height\" content=\"900\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Lee Wei Yeong\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"BadPack \u306b\u3054\u7528\u5fc3: Android \u30a2\u30d7\u30ea\u306e\u5947\u5999\u306a\u5206\u6790\u56de\u907f\u30c8\u30ea\u30c3\u30af","description":"\u5f0a\u793e\u306e\u30c7\u30fc\u30bf\u304b\u3089\u30de\u30eb\u30a6\u30a7\u30a2\u5206\u6790\u3092\u59a8\u5bb3\u3059\u308b BadPack \u30d5\u30a1\u30a4\u30eb\u3092\u30d0\u30f3\u30c9\u30eb\u3057\u305f Android \u7528 APK \u30de\u30eb\u30a6\u30a7\u30a2\u306e\u5897\u52a0\u50be\u5411\u304c\u898b\u3048\u3066\u304d\u307e\u3057\u305f\u3002\u672c\u7a3f\u306f\u3053\u306e BadPack \u6280\u8853\u306b\u3064\u3044\u3066 Zip 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