{"id":105601,"date":"2016-09-01T17:37:05","date_gmt":"2016-09-02T00:37:05","guid":{"rendered":"https:\/\/unit42.paloaltonetworks.com\/?p=105601"},"modified":"2020-03-29T22:41:44","modified_gmt":"2020-03-30T05:41:44","slug":"labyrenth-capture-the-flag-ctf-threat-track-solutions","status":"publish","type":"post","link":"https:\/\/unit42.paloaltonetworks.com\/ja\/labyrenth-capture-the-flag-ctf-threat-track-solutions\/","title":{"rendered":"LabyREnth\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u30b3\u30f3\u30c6\u30b9\u30c8: \u8105\u5a01\u7a2e\u76ee\u306e\u89e3\u7b54"},"content":{"rendered":"

\u6982\u8981<\/h2>\n

\u4eca\u56de\u3053\u306e\u30d6\u30ed\u30b0\u30b7\u30ea\u30fc\u30ba\u3067\u306f\u3001LabyREnth\u3001Unit 42\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u30b3\u30f3\u30c6\u30b9\u30c8<\/a>\u306e\u8ab2\u984c\u306e\u89e3\u7b54\u3092\u660e\u3089\u304b\u306b\u3057\u307e\u3059\u3002\u9031\u306b1\u7a2e\u76ee\u305a\u3064\u89e3\u7b54<\/a>\u3092\u516c\u958b\u3057\u307e\u3059\u304c\u3001\u4eca\u56de\u306f\u8105\u5a01\u7a2e\u76ee\u3067\u3059\u3002<\/p>\n

\u8105\u5a011\u8ab2\u984c: \u5e0c\u671b\u306e\u6cc9\u306b\u3088\u3046\u3053\u305d<\/b><\/h3>\n

\u8ab2\u984c\u4f5c\u6210\u8005: Jeff White\u00a0<\/i>@noottrak<\/i><\/a><\/p>\n

\u3053\u306e\u8ab2\u984c\u3067\u306f\u3001www.dopefish.com<\/a>\u3078\u306e30\u306eHTTP GET\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u542b\u3080PCAP\u304c\u63d0\u4f9b\u3055\u308c\u307e\u3057\u305f\u3002\u5404\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u5185\u90e8\u306f\u540c\u3058URL\u3067\u3059\u3002\u3053\u306eURL\u306f\u3001\u4ee5\u4e0b\u306e\u753b\u50cf\u3068\u3001\u201cNot everything is as it seems\u2026\u201d\u3068\u30c7\u30b3\u30fc\u30c9\u3055\u308c\u308bbase64\u306e\u53cd\u8ee2\u3055\u308c\u305f\u6587\u5b57\u5217\u3092\u30dd\u30a4\u30f3\u30c8\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n

\n

<\/p>\n<\/div>\n

\u5b9f\u969b\u306eGET\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u8abf\u3079\u308b\u3068\u3001URL\u69cb\u9020\u304c\u8208\u5473\u6df1\u304f\u3001URL\u306b\u306f\u8907\u6570\u306eURL\u9593\u3067\u5909\u5316\u3057\u306a\u3044\u3044\u304f\u3064\u304b\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u5148\u306b\u9032\u307f\u3001\u3055\u3089\u306b\u5206\u6790\u3059\u308b\u305f\u3081\u306b\u305d\u308c\u3089\u3092\u3059\u3079\u3066\u62bd\u51fa\u3057\u307e\u3059\u3002<\/p>\n

\n

<\/p>\n<\/div>\n

\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u3001\u5404URL\u3092\u62bd\u51fa\u3057\u307e\u3059\u3002<\/p>\n

tcpdump -r dopefish_labyrinth.pcap -A |grep \u201cGET \/\u201d |grep -o \u201c\/.*\u201d |sort \u2013u<\/span><\/p>\n

URL\u306e\u5168\u822c\u7684\u306a\u5206\u6790\u7d50\u679c\u306f\u4ee5\u4e0b\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n

\/M[a-zA-Z]{3}.php?=owVXdTMzc[a-zA-Z0-9]{109}&L4bry1nth_[0-9]{3,5}?NxM[a-zA-Z0-9]{134}-[0-9]{4,5}%26%71%77port%3D27500<\/span><\/p>\n

URL\u3092\u30aa\u30f3\u30e9\u30a4\u30f3\u69cb\u6587\u89e3\u6790\u30c4\u30fc\u30eb\u306b\u30c9\u30ed\u30c3\u30d7\u3059\u308b\u3068\u3001\u30d5\u30a1\u30a4\u30eb\u306b\u6307\u5b9a\u3055\u308c\u3066\u3044\u308b\u30af\u30a8\u30ea\u6587\u5b57\u5217\u304c\u3001\u6700\u521d\u306e\u201c?\u201d\u3088\u308a\u5f8c\u306e\u6587\u5b57\u5217\u5168\u4f53\u3067\u3042\u308b\u3053\u3068\u304c\u793a\u3055\u308c\u307e\u3059\u3002URL\u5185\u306e\u4ed6\u306e\u5909\u6570\u3067\u3042\u308b\u304b\u306e\u3088\u3046\u306b\u898b\u3048\u308b\u305f\u3081\u3001\u5947\u5999\u306b\u611f\u3058\u307e\u3059\u3002<\/p>\n

\n

<\/p>\n<\/div>\n

\u3055\u3089\u306b\u5206\u6790\u3059\u308b\u3068\u3001URL\u306f\u73fe\u5728\u201c?\u201d\u3068\u3057\u3066\u5f62\u5f0f\u5316\u3055\u308c\u3066\u304a\u3089\u305a\u3001\u201c=\u201d\u304c\u4e88\u7d04\u3055\u308c\u305f\u6587\u5b57\u3067\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002\u9593\u306b\u5909\u6570\u3092\u5165\u308c\u305a\u306b\u3001\u4e92\u3044\u306b\u96a3\u5408\u308f\u305b\u306b\u914d\u7f6e\u3059\u308b\u3068\u3001URL\u306e\u6b8b\u308a\u306f\u7121\u52b9\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n

\u201c=\u201d\u3067\u59cb\u307e\u308b\u30af\u30a8\u30ea\u6587\u5b57\u5217\u3068\u3001\u540c\u3058\u8a18\u53f7\u3067\u59cb\u307e\u308b\u53cd\u8ee2\u3055\u308c\u305fbase64\u6587\u5b57\u5217\u306b\u95a2\u3059\u308b\u4e0a\u8a18\u306e\u30d2\u30f3\u30c8\u304b\u3089\u5224\u65ad\u3057\u3066\u3001\u53cd\u8ee2\u3055\u308c\u305f\u6587\u5b57\u5217\u306ebase64\u30c7\u30b3\u30fc\u30c9\u3092\u8a66\u307f\u307e\u3059\u3002\u305d\u308c\u306f\u52d5\u4f5c\u3057\u307e\u3059\u304c\u3001\u51fa\u529b\u306f\u307e\u3063\u305f\u304f\u5f79\u306b\u7acb\u3061\u307e\u305b\u3093\u3002<\/p>\n

\n

<\/p>\n<\/div>\n

URL\u3092\u8a73\u3057\u304f\u8abf\u3079\u305f\u5f8c\u3001\u6587\u5b57\u306e\u4e2d\u306b\u306f\u3063\u304d\u308a\u3068\u3057\u305f\u6c7a\u307e\u3063\u305f\u30d1\u30bf\u30fc\u30f3\u304c\u3042\u308b\u3053\u3068\u306b\u6c17\u4ed8\u304d\u307e\u3057\u305f\u3002\u3057\u304b\u3057\u3001\u201cNxM\u201d\u306f\u5f15\u304d\u7d9a\u304d\u3001\u7d0418\u6587\u5b57\u3054\u3068\u306b\u305d\u308c\u81ea\u4f53\u304c\u7e70\u308a\u8fd4\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3055\u3089\u306b\u91cd\u8981\u3068\u306a\u308b\u306e\u306f\u3001\u6700\u521d\u306e\u9577\u3044\u6587\u5b57\u5217\u3068\u3001URL\u306e\u201c&L4bry1nth_[0-9]{3,5}?\u201d\u30bb\u30af\u30b7\u30e7\u30f3\u306e\u76f4\u5f8c\u306e\u9577\u3044\u6587\u5b57\u5217\u306b\u898b\u3089\u308c\u308bNxM\u30d1\u30bf\u30fc\u30f3\u3067\u3059\u3002\u3053\u308c\u3092\u524a\u9664\u3057\u30012\u3064\u306e\u9577\u3044\u6587\u5b57\u5217\u3092\u3064\u306a\u3052\u3066\u3001\u305d\u308c\u3092\u53cd\u8ee2\u3057\u3001\u3055\u3089\u306bbase64\u30c7\u30b3\u30fc\u30c9\u3092\u884c\u3046\u3068\u3001\u975e\u5e38\u306b\u6709\u52b9\u306a\u7d50\u679c\u304c\u5f97\u3089\u308c\u307e\u3059\u3002<\/p>\n

\n

<\/p>\n<\/div>\n

\u201c317WW317WW317WW317WW317WW317WW317WW317WW317WW317WW317WW317<\/span>
\nW317WW317WW317WW317WW317WW317WW317WW317WW317WW317WW317WW317<\/span>
\nW317WW317WW317WW317WW317WW317WW317WW317WW317WW317WW317WW317<\/span>
\nW317WW317WW\u201d<\/span><\/p>\n

\u7d9a\u3051\u3066\u3001\u524d\u51fa\u306e\u884c\u306b\u57fa\u3065\u304d\u3001\u305d\u308c\u3092for\u30eb\u30fc\u30d7\u306e\u4e2d\u3067\u30e9\u30c3\u30d7\u3057\u3001\u4e8c\u7b49\u5206\u306e\u4e00\u65b9\u306e\u307f\u3092\u89e3\u6790\u3057\u3066\u3001\u305d\u308c\u3089\u3092\u53cd\u8ee2\u3057\u3001\u7d50\u679c\u3092\u51fa\u529b\u3057\u307e\u3059\u3002<\/p>\n

for i in $(tcpdump -r dopefish_labyrinth.pcap -A |grep \u201cGET \/\u201d |grep -o \u201c\/.*\u201d |sort -u |cut -d\u201d=\u201d -f2 |cut -d\u201d-\u201d -f1 |sed -e \u2018s\/&L4bry1nth_.*?\/\/g\u2019); do echo \u201c=$i\u201d |rev |base64 -D ; done<\/span><\/p>\n

\n

<\/p>\n<\/div>\n

\u51fa\u529b\u306e\u4e2d\u306b\u975e\u5e38\u306b\u660e\u78ba\u306a\u30d1\u30bf\u30fc\u30f3\u304c\u3042\u308a\u307e\u3059\u3002\u6700\u5f8c\u306b\u884c\u3046\u624b\u9806\u306f\u3001\u884c\u306b\u3082\u30461\u3064\u30b3\u30de\u30f3\u30c9\u3092\u8ffd\u52a0\u3057\u3001\u201c317\u201d\u3092\u53d6\u308a\u9664\u304f\u3053\u3068\u3067\u3059\u3002\u7d50\u679c\u306f\u3001URL\u306e\u201cNxM\u201d\u3067\u3057\u305f\u3002<\/p>\n

for i in $(tcpdump -r dopefish_labyrinth.pcap -A |grep \u201cGET \/\u201d |grep -o \u201c\/.*\u201d |sort -u |cut -d\u201d=\u201d -f2 |cut -d\u201d-\u201d -f1 |sed -e \u2018s\/&L4bry1nth_.*?\/\/g\u2019); do echo \u201c=$i\u201d |rev |base64 -D ; done |sed -e \u2018s\/317\/\/g\u2019<\/span><\/p>\n

\n

<\/p>\n<\/div>\n

\u30ad\u30fc\u306f\u3001PAN{th3D0p3fshl1v3s}\u3067\u3059\u3002<\/p>\n

\u8105\u5a012\u8ab2\u984c: \u79c1\u305f\u3061\u306f\u7686\u3001\u540d\u8a89\u3068\u3068\u3082\u306b\u3053\u306e\u4e16\u3092\u53bb\u308b<\/b><\/h3>\n

\u8ab2\u984c\u4f5c\u6210\u8005<\/i>:\u00a0<\/i>Micah Yates\u00a0@m1kachu_<\/a><\/p>\n

\u30d2\u30f3\u30c8\u306f\u3001\u3053\u306e\u7d20\u6674\u3089\u3057\u3044<\/i>Web<\/i>\u30b3\u30df\u30c3\u30af<\/i><\/a>\u3092\u53c2\u8003\u306b\u3059\u308b\u3053\u3068\u3067\u3059\u3002<\/i><\/p>\n

\u8ab2\u984c\u306b\u7740\u624b\u3059\u308b\u305f\u3081\u3001jareth1.gif\u3068\u3044\u3046\u540d\u524d\u306e\u30d5\u30a1\u30a4\u30eb\u304c\u7528\u610f\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n

\n

<\/p>\n<\/div>\n

\u30b5\u30e0\u30cd\u30a4\u30eb\u3067\u306f\u3001\u305d\u308c\u306f\u6709\u52b9\u306agif\u306e\u3088\u3046\u306b\u898b\u3048\u307e\u3059\u304c\u3001\u305d\u3046\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n

\n

<\/p>\n<\/div>\n

\u30d5\u30a1\u30a4\u30eb\u3092\u958b\u304f\u3068\u3001\u6d3b\u767a\u306b\u52d5\u304d\u307e\u3059\u3002<\/p>\n

16\u9032\u30a8\u30c7\u30a3\u30bf\u3067gif\u3092\u958b\u304f\u3068\u3001\u30d8\u30c3\u30c0\u30fc\u306f\u901a\u5e38\u306egif\u30d8\u30c3\u30c0\u30fc\u306e\u3088\u3046\u306b\u898b\u3048\u307e\u3059\u3002<\/p>\n

\n

<\/p>\n<\/div>\n

\u4e0b\u3078\u30b9\u30af\u30ed\u30fc\u30eb\u3059\u308b\u3068\u3001\u3053\u306e\u30d5\u30a1\u30a4\u30eb\u306b\u306f\u6a19\u6e96gif\u30c8\u30ec\u30fc\u30e9\u30fc\u306e0x3B\u304c\u6b20\u843d\u3057\u3066\u3044\u307e\u3059(\u8a73\u3057\u304f\u306f\u3001\u6709\u52b9\u306agif\u306e\u5185\u5bb9<\/a>\u3092\u3054\u89a7\u304f\u3060\u3055\u3044)\u3002<\/p>\n

\u672b\u5c3e\u306e16\u9032\u6570\u5024\u306f\u3001\u6a19\u6e96gif\u30c8\u30ec\u30fc\u30e9\u30fc\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n

\n

<\/p>\n<\/div>\n

\u3053\u306egif\u306b\u306f\u30c7\u30fc\u30bf\u304c\u4ed8\u52a0\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n

\u305d\u3053\u3067\u3001\u3053\u306e\u60c5\u5831\u3092\u3069\u306e\u3088\u3046\u306b\u4f7f\u3048\u3070\u3088\u3044\u306e\u3067\u3057\u3087\u3046\u304b\u3002\u6539\u3056\u3093\u3055\u308c\u305f\u753b\u50cf\u30d5\u30a1\u30a4\u30eb\u3067\u3084\u3063\u3066\u307f\u305f\u30441\u3064\u306e\u30c8\u30ea\u30c3\u30af\u306f\u3001Google\u3092\u4ecb\u3057\u3066\u753b\u50cf\u306e\u9006\u5f15\u304d\u3092\u3059\u308b\u3053\u3068\u3067\u3059\u3002jareth1.gif\u30d5\u30a1\u30a4\u30eb\u3092google\u753b\u50cf\u691c\u7d22\u306b\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3059\u308b\u3068\u3001\u4ee5\u4e0b\u306e\u7d50\u679c\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002<\/p>\n

\n

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\u898b\u305f\u76ee\u304c\u4f3c\u3066\u3044\u308b\u753b\u50cf\u3092\u3044\u304f\u3064\u304b\u30af\u30ea\u30c3\u30af\u3057\u3066\u3044\u304f\u3068\u3001\u3053\u306egif<\/a>\u304c\u898b\u3064\u304b\u308a\u307e\u3059\u3002\u540c\u69d8\u306b\u52d5\u304d\u3001jareth1.gif\u3068\u540c\u3058\u6b21\u5143\u3067\u3059\u304c\u3001\u30b5\u30a4\u30ba\u304c\u7570\u306a\u308a\u307e\u3059\u3002<\/p>\n

2\u3064\u306egif\u3092\u6bd4\u8f03\u3059\u308b\u3068\u3001\u5143\u306egif\u306f\u30aa\u30d5\u30bb\u30c3\u30c80x3436D\u3067\u7d42\u308f\u3063\u3066\u304a\u308a\u3001\u6709\u52b9\u306a\u30c8\u30ec\u30fc\u30e9\u30fc\u306e0x3B\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002\u30b7\u30a7\u30eb\u30b3\u30fc\u30c9\u3084\u30de\u30eb\u30a6\u30a7\u30a2\u306e\u4f5c\u6210\u8005\u306e\u4e2d\u306b\u306f\u3001\u305d\u308c\u3092\u5358\u4e00\u307e\u305f\u306f\u8907\u6570\u30d0\u30a4\u30c8\u306e16\u9032\u6570\u5024\u3067XOR\u6f14\u7b97\u51e6\u7406\u3057\u3066\u3001\u30c7\u30fc\u30bf\u3092\u96a0\u3057\u305f\u304c\u308b\u3082\u306e\u3082\u3044\u307e\u3059\u30020xAA\u30d0\u30a4\u30c8\u304c\u30d5\u30a1\u30a4\u30eb\u306e\u672b\u5c3e\u3067\u7e70\u308a\u8fd4\u3055\u308c\u3066\u3044\u308b\u3088\u3046\u306b\u898b\u3048\u3001\u901a\u5e38\u306f\u4e00\u90e8\u306e\u30c7\u30fc\u30bf\u306b\u306fnull\u304c\u542b\u307e\u308c\u308b\u305f\u3081\u3001\u30d5\u30a1\u30a4\u30eb\u5168\u4f53\u30920xAA\u3067XOR\u6f14\u7b97\u51e6\u7406\u3057\u307e\u3059\u3002<\/p>\n

\u3053\u3053\u3067\u3001\u6b8b\u3063\u305f\u30c7\u30fc\u30bf\u306e\u30d8\u30c3\u30c0\u30fc\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n

\n

<\/p>\n<\/div>\n

\u30d8\u30c3\u30c0\u30fc\u306b\u57fa\u3065\u304f\u3068\u3001\u975e\u8868\u793a\u306e\u30c7\u30fc\u30bf\u306f7zip\u30a2\u30fc\u30ab\u30a4\u30d6\u306e\u3088\u3046\u3067\u3059\u3002\u3053\u306eXOR\u6f14\u7b97\u51e6\u7406\u3055\u308c\u305f\u30c7\u30fc\u30bf\u3092\u5225\u306e\u30d5\u30a1\u30a4\u30eb\u306b\u4fdd\u5b58\u3057\u307e\u3059\u3002<\/p>\n

\u4f7f\u7528\u3057\u305f\u3044\u30c8\u30ea\u30c3\u30af\u306e1\u3064\u306f\u3001\u30d8\u30c3\u30c0\u30fc\u304c\u6b63\u3057\u304f\u306a\u3044\u4f4d\u7f6e\u306b\u3042\u308b\u3068\u304d\u306b\u30d5\u30a1\u30a4\u30eb\u3092\u89e3\u51cd\u3059\u308b\u305f\u3081\u306e7zip\u306e\u6a5f\u80fd\u3067\u3059\u3002\u30b3\u30de\u30f3\u30c9 \u30e9\u30a4\u30f3\u3092\u4f7f\u7528\u3059\u308b\u304b\u3001\u3053\u3053\u3092\u53f3\u30af\u30ea\u30c3\u30af\u3057\u3066\u30017zip -> Extract(\u62bd\u51fa)\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u3060\u3051\u3067\u3059\u3002<\/p>\n

\u305d\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u89e3\u51cd\u3059\u308b\u3068\u3001\u201cfile\u201d\u3068\u3060\u3051\u540d\u4ed8\u3051\u3089\u308c\u305f\u5225\u306e\u30d5\u30a1\u30a4\u30eb\u304c\u53d6\u5f97\u3055\u308c\u307e\u3059\u3002<\/p>\n

\u30d8\u30c3\u30c0\u30fc\u3092\u898b\u308b\u3068\u3001\u3053\u308c\u306fhtml\u30d5\u30a1\u30a4\u30eb\u3067\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n

\u305d\u306e\u30d5\u30a1\u30a4\u30eb\u540d\u3092file.html\u306b\u5909\u66f4\u3057\u3001\u30d6\u30e9\u30a6\u30b6\u3067\u958b\u304f\u3068\u3001\u3053\u306e\u3088\u3046\u306aDavid Bowie\u306eASCII\u30a2\u30fc\u30c8\u304c\u51fa\u73fe\u3057\u307e\u3059\u3002<\/p>\n

\n

<\/p>\n<\/div>\n

\u4eca\u5ea6\u306f\u4f55\u3067\u3057\u3087\u3046\u304b\u3002\u96e3\u8aad\u5316\u3055\u308c\u305fJava\u30b9\u30af\u30ea\u30d7\u30c8\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u4e00\u898b\u3057\u305f\u3068\u3053\u308dhtml\u306e\u4e0d\u53ef\u89e3\u306a\u6df7\u4e71\u306b\u904e\u304e\u307e\u305b\u3093\u3002\u4ed6\u306e\u4e00\u90e8\u306e\u30c7\u30fc\u30bf\u3092\u631f\u3080\u3088\u3046\u306bA7 A0\u306e\u30d1\u30bf\u30fc\u30f3\u304c\u7e70\u308a\u8fd4\u3055\u308c\u3066\u3044\u308b\u3088\u3046\u306b\u3082\u898b\u3048\u307e\u3059\u3002<\/p>\n

16\u9032\u6570\u306b\u898b\u3048\u308b\u30c7\u30fc\u30bf\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u309216\u9032\u30a8\u30c7\u30a3\u30bf\u306b\u30c9\u30ed\u30c3\u30d7\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n

\n

<\/p>\n<\/div>\n

\u4f55\u3082ASCII\u3068\u3057\u3066\u8868\u793a\u3055\u308c\u307e\u305b\u3093\u3002\u305d\u308c\u30922\u30d0\u30a4\u30c8\u306e0xA7A0\u3067XOR\u6f14\u7b97\u51e6\u7406\u3057\u3066\u3001\u305d\u306e\u4e0b\u306b\u30c7\u30fc\u30bf\u304c\u3042\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n

\n

<\/p>\n<\/div>\n

\u5f15\u304d\u7d9a\u304d\u4f55\u3082\u52d5\u4f5c\u3057\u307e\u305b\u3093\u304c\u3001\u305d\u308c\u304cASCII\u30c6\u30ad\u30b9\u30c8\u3067\u3042\u308b\u53ef\u80fd\u6027\u304c\u898b\u3048\u3066\u304d\u307e\u3059\u3002<\/p>\n

\u305d\u308c\u3092\u5143\u306b\u623b\u3057\u3001\u5143\u306e\u5358\u4e00\u30d0\u30a4\u30c8\u306e0xAA\u3092\u4f7f\u7528\u3057\u3066\u518d\u5ea6\u8a66\u307f\u307e\u3059\u3002<\/p>\n

\n

<\/p>\n<\/div>\n

\u306f\u308b\u304b\u306b\u826f\u304f\u306a\u308a\u307e\u3057\u305f\u3002\u30c6\u30ad\u30b9\u30c8\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n

\u6a19\u6e96\u306e\u6709\u52b9\u306aGIF\u30d5\u30a1\u30a4\u30eb\u3092\u898b\u3064\u3051\u308b\u305f\u3081YARA\u30eb\u30fc\u30eb\u3092\u8a18\u8ff0\u3057\u307e\u3059\u3002<\/p>\n

\u4ee5\u4e0b\u306e\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n

    \n
  1. $header\u5185\u306e\u5404\u201c**\u201d\u30da\u30a2\u3092\u9069\u5207\u306a6\u30d0\u30a4\u30c8\u3067\u7f6e\u304d\u63db\u3048\u307e\u3059\u3002<\/li>\n
  2. $trailer\u5185\u306e\u5404\u201c*\u201d\u3092\u9069\u5207\u306a\u6b63\u898f\u8868\u73fe\u3067\u7f6e\u304d\u63db\u3048\u307e\u3059\u3002<\/li>\n
  3. \u6761\u4ef6\u5185\u306e\u201c*\u201d\u3092\u9069\u5207\u306a\u6570\u5b57\u3067\u7f6e\u304d\u63db\u3048\u307e\u3059\u3002<\/li>\n<\/ol>\n

    <\/p>\n

    gif\u306e\u5185\u5bb9<\/a>\u306b\u3064\u3044\u3066\u3053\u306e\u8a18\u4e8b\u3092\u8aad\u3093\u3060\u5f8c\u306b\u3001\u6b21\u306e\u70b9\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n

      \n
    1. \u30d8\u30c3\u30c0\u30fc\u306f\u4e00\u76ee\u77ad\u7136\u3067\u3059\u3002<\/li>\n
    2. \u3053\u3053\u3067\u306f\u30013B\u306e\u5f8c\u306b\u7d9a\u304f\u30c7\u30fc\u30bf\u304c\u306a\u3044\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u305f\u3081\u306e\u6b63\u898f\u8868\u73fe\u5f62\u5f0f\u304c\u5fc5\u8981\u3067\u3059\u3002<\/li>\n
    3. \u3082\u3061\u308d\u3093\u3001\u30d8\u30c3\u30c0\u30fc\u306f\u30d5\u30a1\u30a4\u30eb\u306e\u5148\u982d\u306e0\u4f4d\u7f6e\u306b\u914d\u7f6e\u3055\u308c\u3066\u3044\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<\/ol>\n

      \u4e0a\u8a18\u306e\u30eb\u30fc\u30eb\u3092\u9001\u4fe1\u3059\u308b\u3068\u3001\u7d50\u679c\u3068\u3057\u3066\u30ad\u30fc\u304c\u5f97\u3089\u308c\u307e\u3059\u3002PAN{848Y_wIsh3D_4w4y}<\/p>\n

      \u8105\u5a013\u8ab2\u984c: \u30de\u30c8\u30ea\u30e7\u30fc\u30b7\u30ab\u306f\u79c1\u306b\u306f\u53ca\u3070\u306a\u3044<\/b><\/h3>\n

      \u8ab2\u984c\u4f5c\u6210\u8005: Josh Grunzweig\u00a0<\/i>@jgrunzweig<\/i><\/a><\/p>\n

      \u3053\u306e\u8ab2\u984c\u3067\u306f\u3001Python\u30b9\u30af\u30ea\u30d7\u30c8\u304c\u63d0\u4f9b\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u5b9f\u884c\u3057\u305f\u5834\u5408\u306b\u3001\u552f\u4e00\u53d7\u3051\u53d6\u308b\u51fa\u529b\u306f\u4ee5\u4e0b\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n

      python h0ggle.py<\/span>
      \nYou fell into a pit and died\u2026 of dysentery.<\/span><\/p>\n

      \u30b9\u30af\u30ea\u30d7\u30c8\u304b\u3089\u5224\u65ad\u3059\u308b\u3068\u3001\u30c7\u30fc\u30bf\u3092base64\u30c7\u30b3\u30fc\u30c9\u3057\u3066\u3001\u5fa9\u53f7\u5316\u3057\u3066\u304b\u3089\u3001\u305d\u308c\u3092exec()\u95a2\u6570\u306b\u6e21\u3057\u3066\u3044\u308b\u3088\u3046\u3067\u3059\u3002\u30c7\u30fc\u30bf\u306f\u304b\u306a\u308a\u30b5\u30a4\u30ba\u304c\u5927\u304d\u304f\u3001100\u4e07\u6587\u5b57\u3092\u8d85\u3048\u3066\u3044\u307e\u3059\u3002\u305d\u308c\u306f\u3001\u6697\u53f7\u5316\u306e\u305f\u3081\u306bCrypto.Cipher\u30b9\u30a4\u30fc\u30c8\u306eAES\u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002\u30c7\u30d0\u30c3\u30ac\u3092\u4f7f\u7528\u3057\u3066\u30b9\u30c6\u30c3\u30d7\u3092\u9806\u6b21\u898b\u3066\u3044\u304f\u3068\u3001\u5b9f\u884c\u3055\u308c\u305f\u30c7\u30fc\u30bf\u306e\u5404BLOB\u306b\u30c7\u30fc\u30bf\u306e\u65b0\u3057\u3044BLOB\u3068\u540c\u3058\u30b3\u30fc\u30c9\u304c\u542b\u307e\u308c\u308b\u3088\u3046\u306b\u3001\u3053\u306e\u53cd\u5fa9\u30d7\u30ed\u30bb\u30b9\u304c\u9023\u7d9a\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n

      <\/p>\n

      \u3053\u306e\u30ed\u30b8\u30c3\u30af\u306e\u65b9\u5411\u306b\u5f93\u3046\u3068\u3001\u3053\u306e\u30d7\u30ed\u30bb\u30b9\u3092\u3059\u3050\u306b\u30b9\u30af\u30ea\u30d7\u30c8\u5316\u3067\u304d\u307e\u3059\u3002\u5404\u5fa9\u53f7\u5316\u3055\u308c\u305f\u30bb\u30af\u30b7\u30e7\u30f3\u3092\u65b0\u3057\u3044\u30d5\u30a1\u30a4\u30eb\u306b\u66f8\u304d\u8fbc\u307f\u3001\u305d\u308c\u3092\u518d\u5b9f\u884c\u3059\u308b\u305f\u3081\u306b\u5fc5\u8981\u306a\u30d8\u30c3\u30c0\u30fc\u3092\u542b\u3081\u308b\u306a\u3069\u8af8\u3005\u306e\u624b\u9806\u3092\u7d4c\u3066\u3001\u6700\u5f8c\u306b\u5230\u9054\u3057\u307e\u3059\u3002<\/p>\n

      \u6700\u521d\u306b\u3001\u6b21\u306e\u30c7\u30fc\u30bf\u3092\u4f7f\u7528\u3057\u3066header.txt\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/p>\n

      #!\/usr\/bin\/env python<\/p>\n

      from\u00a0<\/b>Crypto.Cipher\u00a0import\u00a0<\/b>AES\u00a0as\u00a0<\/b>tiywynstbg
      \nimport\u00a0<\/b>base64\u00a0as\u00a0<\/b>ufjliotyds
      \nimport\u00a0<\/b>itertools\u00a0as\u00a0<\/b>abtwsjxzys
      \nfrom\u00a0<\/b>itertools\u00a0import\u00a0<\/b>cycle, izip
      \ndef\u00a0<\/b>gasfewfesafds(message, key):
      \nreturn \u201d<\/b>.join(chr(ord(c)^ord(k))\u00a0for\u00a0<\/b>c,k\u00a0in\u00a0<\/b>abtwsjxzys.izip(message, abtwsjxzys.cycle(key)))<\/p>\n

      \u6b21\u306b\u3001Python\u306e\u6697\u9ed2\u306e\u6df1\u90e8\u3092\u901a\u308a\u629c\u3051\u3001\u3069\u3053\u306b\u5c0e\u304b\u308c\u308b\u304b\u78ba\u8a8d\u3059\u308b\u305f\u3081\u306e\u3001\u6c17\u306e\u5229\u3044\u305f1\u30bb\u30f3\u30c6\u30f3\u30b9\u3092\u8003\u3048\u307e\u3059\u3002<\/p>\n

      cp h0ggle.py h0ggle_1.py; for i in $(seq 1 50); do sed -e \u2018s\/exec(\/print(\/g\u2019 h0ggle_$i.py > temp; mv temp h0ggle_$i.py; python h0ggle_$i.py > temp; cat header.txt temp > h0ggle_$((i+1)).py; done<\/span><\/p>\n

      \u5b9f\u884c\u3059\u308b\u3068\u3001\u30d5\u30a1\u30a4\u30ebh0ggle_28.py\u3067\u69cb\u6587\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u3001\u8d64\u75e2\u306e\u30a8\u30e9\u30fc \u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n

      File \u201ch0ggle_28.py\u201d, line 8<\/span>
      \nYou fell into a pit and died\u2026 of dysentery.<\/span>
      \n^<\/span><\/p>\n

      h0ggle_27.py\u304b\u3089\u5224\u65ad\u3059\u308b\u3068\u3001\u5b89\u5168\u306b\u5ddd\u3092\u6a2a\u5207\u308b\u65b9\u6cd5\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n

      <\/p>\n

      Key = PAN{all_dir3ctionz_l3ad_n0wh3r3}<\/i><\/span><\/i><\/p>\n

      \u8105\u5a014\u8ab2\u984c: \u540c\u3058\u3001\u3060\u3051\u3069\u9055\u3046<\/h3>\n

      \u8ab2\u984c\u4f5c\u6210\u8005:\u00a0<\/i>Micah Yates\u00a0@m1kachu_<\/a><\/p>\n

      \u30d2\u30f3\u30c8\u306f\u3001\u524d\u51fa\u306e\uff59ara\u306e\u8ab2\u984c\u3001\u300c\u8105\u5a012\u8ab2\u984c: \u79c1\u305f\u3061\u306f\u7686\u3001\u540d\u8a89\u3068\u3068\u3082\u306b\u3053\u306e\u4e16\u3092\u53bb\u308b\u300d\u3092\u53c2\u7167\u3059\u308b\u3053\u3068\u3067\u3059\u3002<\/i><\/p>\n

      \u8ab2\u984c\u306b\u7740\u624b\u3059\u308b\u305f\u3081\u30016\u500b\u306eWord\u6587\u66f8\u304c\u7528\u610f\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n

      <\/p>\n

      \u305d\u308c\u3089\u3092\u3059\u3079\u3066\u958b\u304d\u307e\u3059\u3002<\/p>\n

      <\/p>\n

      \u30d5\u30a1\u30a4\u30eb\u304c\u958b\u304d\u3001\u4f3c\u305f\u3088\u3046\u306aWord\u6587\u66f8\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n

      \u3053\u308c\u3089\u306e\u3059\u3079\u3066\u306e\u30d5\u30a1\u30a4\u30eb\u3067file\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001\u4ee5\u4e0b\u306e\u7d50\u679c\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n

      3673c9d7a5b2f978d3a34001d360ac485f22ed6fa868c8304eb99273a6efb268.doc: Microsoft Word 2007+<\/span>
      \n668bed5ed5d5effb3be659e8dab55c63369985064f7ee80f9365e75b34f6283d.doc: Microsoft Word 2007+<\/span>
      \n7717bd124dd0c0881afd6b327ff41b420bff77d3c5ae338a31cce5cfdcb3b5d0.doc: data<\/span>
      \n87f146c41082d7ba885f9433e0223b346f3032f7364bf18675b924a017994779.doc: Microsoft Word 2007+<\/span>
      \nafc502de73482404cc344301c207f27c7da7b31641cd2192b3bba40f3ab6964e.doc: Composite Document File V2 Document, Little Endian, Os: Windows, Version 6.1, Code page: 1252, Author: Micah Yates, Template: Normal.dotm, Last Saved By: Micah Yates, Revision Number: 2, Name of Creating Application: Microsoft Office Word, Create Time\/Date: Wed Jul 13 17:19:00 2016, Last Saved Time\/Date: Wed Jul 13 17:19:00 2016, Number of Pages: 1, Number of Words: 146, Number of Characters: 837, Security: 0<\/span>
      \nd48a2f4922bca81ce8fff8c18d788f41d2034c7999ca1ed03965d914dc06a9df.doc: Rich Text Format data, version 1, unknown character set<\/span><\/p>\n

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      <\/p>\n

      <\/p>\n

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      <\/p>\n

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      <\/p>\n

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      \u898b\u3066\u304f\u3060\u3055\u3044\u3002\u7e70\u308a\u8fd4\u3055\u308c\u308b\u6587\u5b57\u306e3\u884c\u306f\u3001\u3059\u3079\u3066\u540c\u3058\u9577\u3055\u3067\u3059\u3002\u201c{ ** ** ** ** ** ** ** ** ** ** ** ** }\u201d<\/p>\n

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      \u4ed6\u306e\u6587\u66f8\u306b\u623b\u308a\u3001\u7b26\u53f7\u5316\u3055\u308c\u305f\u30c7\u30fc\u30bf\u306e2\u3064\u306e\u30d0\u30ea\u30a8\u30fc\u30b7\u30e7\u30f3\u3092\u898b\u3064\u3051\u3001\u6b21\u306e\u3088\u3046\u306aYARA\u30eb\u30fc\u30eb\u3092\u8a18\u8ff0\u3057\u307e\u3059\u3002<\/p>\n

      <\/p>\n

      \u4e0a\u8a18\u306e\u30eb\u30fc\u30eb\u3092\u9001\u4fe1\u3059\u308b\u3068\u3001\u7d50\u679c\u3068\u3057\u3066\u30ad\u30fc\u304c\u5f97\u3089\u308c\u307e\u3059\u3002PAN{7H1r7EEn-hOuR_71me_l1M17}<\/p>\n

      \u8105\u5a015\u8ab2\u984c: Hello Confetti!<\/b><\/h3>\n

      \u8ab2\u984c\u4f5c\u6210\u8005<\/i>: Anthony Kasza\u00a0<\/i>@anthonykasza<\/i><\/a><\/p>\n

      \u63d0\u4f9b\u3055\u308c\u305f\u201chello.pcap\u201d\u30d5\u30a1\u30a4\u30eb\u3092Wireshark\u3067\u958b\u304d\u3001pcap\u5185\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u968e\u5c64\u3092\u8abf\u3079\u308b\u3068\u3001UDP\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u307f\u304c\u793a\u3055\u308c\u307e\u3059\u3002Wireshark\u306f\u3001\u5927\u534a\u306e\u30d1\u30b1\u30c3\u30c8\u306f\u30c7\u30fc\u30bf\u3067\u3042\u308b\u304c\u3001\u3044\u304f\u3064\u304b\u306e\u30d1\u30b1\u30c3\u30c8\u306f\u4e0d\u6b63\u306a\u5f62\u5f0f\u306e\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0 \u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5236\u5fa1\u30d1\u30b1\u30c3\u30c8\u3067\u3042\u308b\u3068\u8a8d\u8b58\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n

      <\/p>\n

      Wireshark\u3067UDP\u306e\u3084\u308a\u53d6\u308a\u3092\u89b3\u5bdf\u3059\u308b\u3068\u3001pcap\u5185\u3067\u751f\u3058\u3066\u3044\u308b\u306e\u306f\u5358\u4e00\u306e\u201c\u63a5\u7d9a\u201d\u306e\u307f\u3067\u3059\u3002\u63a5\u7d9a\u306f\u3001127.0.0.1\u4e0a\u306e\u30dd\u30fc\u30c89090\u306853321\u306e\u9593\u3067\u3059\u3002\u4e0a\u8a18\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u4e0d\u6574\u5408\u3068\u30c8\u30ec\u30fc\u30b9 \u30d5\u30a1\u30a4\u30eb\u5185\u306e\u5358\u4e00\u306e\u63a5\u7d9a\u3092\u8003\u3048\u5408\u308f\u305b\u308b\u3068\u3001\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u30d7\u30ed\u30c8\u30b3\u30eb\u304c\u975e\u6a19\u6e96\u3067\u3042\u308b\u3068\u3044\u3046\u7d50\u8ad6\u306b\u81f3\u308a\u307e\u3059\u3002<\/p>\n

      <\/p>\n

      \u30c8\u30ec\u30fc\u30b9\u5185\u306e\u6700\u521d\u306e\u30d1\u30b1\u30c3\u30c8\u306b\u306f\u3001\u30c7\u30fc\u30bf\u201chello :)\u201d\u306b\u7d9a\u304d0x0a\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306f\u9577\u3055\u304c8234\u3067\u306a\u3044\u552f\u4e00\u306e\u30d1\u30b1\u30c3\u30c8\u3067\u3001\u30dd\u30fc\u30c853321\u304b\u3089\u30dd\u30fc\u30c89090\u306b\u9001\u4fe1\u3055\u308c\u307e\u3057\u305f\u30022\u756a\u76ee\u306e\u30d1\u30b1\u30c3\u30c8\u306b\u306f\u3001bzip\u30d5\u30a1\u30a4\u30eb\u306e\u30d5\u30a1\u30a4\u30eb \u30d8\u30c3\u30c0\u30fc(\u30de\u30b8\u30c3\u30af \u30ca\u30f3\u30d0\u30fc)\u3067\u3042\u308b\u201cBZh\u201d\u3067\u59cb\u307e\u308b\u30c7\u30fc\u30bf\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002\u6700\u521d\u306e\u201chello\u201d\u30d1\u30b1\u30c3\u30c8\u3092\u7121\u8996\u3059\u308b\u3068\u3001bzip\u30a2\u30fc\u30ab\u30a4\u30d6\u3092\u30c8\u30ec\u30fc\u30b9 \u30d5\u30a1\u30a4\u30eb\u304b\u3089\u62bd\u51fa\u3067\u304d\u307e\u3059\u3002bzip\u30a2\u30fc\u30ab\u30a4\u30d6\u3092\u89e3\u51cd\u3059\u308b\u3068\u30012\u756a\u76ee\u306epcap\u30c8\u30ec\u30fc\u30b9\u304c\u660e\u3089\u304b\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n

      \u524d\u3068\u540c\u69d8\u306e\u624b\u6cd5\u3092\u4f7f\u3063\u3066\u3001pcap\u5185\u306e\u8907\u6570\u306eFTP over IPv6\u63a5\u7d9a\u3092\u89b3\u5bdf\u3067\u304d\u307e\u3059\u3002FTP\u63a5\u7d9a\u306e1\u3064\u3092\u8fbf\u308b\u3068\u3001\u4e00\u9023\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u3068\u30ec\u30b9\u30dd\u30f3\u30b9\u304c\u660e\u3089\u304b\u306b\u306a\u308a\u307e\u3059\u3002\u3059\u3079\u3066\u306e\u30b9\u30c8\u30ea\u30fc\u30e0\u304c\u3088\u304f\u4f3c\u3066\u3044\u307e\u3059\u3002<\/p>\n