{"id":479038,"date":"2023-08-09T10:01:33","date_gmt":"2023-08-09T10:01:33","guid":{"rendered":""},"modified":"2023-09-05T11:18:03","modified_gmt":"2023-09-05T11:18:03","slug":"smurf-attack","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/jp\/wiki\/smurf-attack\/","title":{"rendered":"\u30b9\u30de\u30fc\u30d5\u653b\u6483"},"content":{"rendered":"<p>Smurf \u653b\u6483\u306f\u3001\u5206\u6563\u578b\u30b5\u30fc\u30d3\u30b9\u62d2\u5426 (DDoS) \u653b\u6483\u306e\u4e00\u7a2e\u3067\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u5236\u5fa1\u30e1\u30c3\u30bb\u30fc\u30b8 \u30d7\u30ed\u30c8\u30b3\u30eb (ICMP) \u3092\u60aa\u7528\u3057\u3066\u3001\u5927\u91cf\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3067\u30bf\u30fc\u30b2\u30c3\u30c8 \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u5727\u5012\u3057\u307e\u3059\u3002\u3053\u306e\u653b\u6483\u306b\u3088\u308a\u3001\u6df1\u523b\u306a\u30b5\u30fc\u30d3\u30b9\u4e2d\u65ad\u304c\u767a\u751f\u3057\u3001\u30bf\u30fc\u30b2\u30c3\u30c8\u306e\u30ea\u30bd\u30fc\u30b9\u304c\u6b63\u5f53\u306a\u30e6\u30fc\u30b6\u30fc\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u306a\u304f\u306a\u308a\u307e\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001Smurf \u653b\u6483\u306b\u95a2\u3059\u308b\u6b74\u53f2\u3001\u52d5\u4f5c\u539f\u7406\u3001\u7a2e\u985e\u3001\u6f5c\u5728\u7684\u306a\u89e3\u6c7a\u7b56\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u304c\u3053\u306e\u3088\u3046\u306a\u653b\u6483\u306b\u3069\u306e\u3088\u3046\u306b\u95a2\u9023\u3057\u3001\u3069\u306e\u3088\u3046\u306b\u7de9\u548c\u306b\u4f7f\u7528\u3067\u304d\u308b\u304b\u306b\u3064\u3044\u3066\u3082\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n<h2>\u30b9\u30de\u30fc\u30d5\u653b\u6483\u306e\u8d77\u6e90\u3068\u305d\u306e\u6700\u521d\u306e\u8a00\u53ca\u306e\u6b74\u53f2<\/h2>\n<p>\u30b9\u30de\u30fc\u30d5\u653b\u6483\u306f\u30011997 \u5e74\u306b Michal Zalewski \u3068\u3044\u3046\u4eba\u7269\u306b\u3088\u3063\u3066\u521d\u3081\u3066\u8a18\u9332\u3055\u308c\u307e\u3057\u305f\u3002\u3053\u306e\u653b\u6483\u306f\u3001\u4eba\u6c17\u6f2b\u753b\u30ad\u30e3\u30e9\u30af\u30bf\u30fc\u300c\u30b9\u30de\u30fc\u30d5\u300d\u306b\u3061\u306a\u3093\u3067\u540d\u4ed8\u3051\u3089\u308c\u307e\u3057\u305f\u3002\u3053\u308c\u306f\u3001\u653b\u6483\u304c\u5927\u7fa4\u3067\u96c6\u307e\u308b\u5f7c\u3089\u306e\u884c\u52d5\u306b\u4f3c\u3066\u3044\u308b\u305f\u3081\u3067\u3059\u3002\u3053\u306e\u653b\u6483\u306f\u30011990 \u5e74\u4ee3\u5f8c\u534a\u304b\u3089 2000 \u5e74\u4ee3\u524d\u534a\u306b\u304b\u3051\u3066\u3001\u3044\u304f\u3064\u304b\u306e\u6709\u540d\u306a Web \u30b5\u30a4\u30c8\u3084\u30b5\u30fc\u30d3\u30b9\u3092\u59a8\u5bb3\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u305f\u3053\u3068\u3067\u60aa\u540d\u304c\u5e83\u307e\u308a\u307e\u3057\u305f\u3002<\/p>\n<h2>\u30b9\u30de\u30fc\u30d5\u653b\u6483\u306b\u95a2\u3059\u308b\u8a73\u7d30\u60c5\u5831<\/h2>\n<p>Smurf \u653b\u6483\u306f ICMP \u5897\u5e45\u653b\u6483\u306e\u4e00\u7a2e\u3068\u8003\u3048\u3089\u308c\u3066\u304a\u308a\u3001\u653b\u6483\u8005\u306f ICMP \u30d1\u30b1\u30c3\u30c8\u306e\u672c\u6765\u306e\u4fe1\u983c\u6027\u3092\u5229\u7528\u3057\u307e\u3059\u3002\u3053\u306e\u653b\u6483\u306b\u306f\u3001\u653b\u6483\u8005\u3001\u4e2d\u9593\u5897\u5e45\u88c5\u7f6e\u3001\u88ab\u5bb3\u8005\u3068\u3044\u3046 3 \u3064\u306e\u4e3b\u8981\u306a\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u304c\u95a2\u4e0e\u3057\u307e\u3059\u3002\u653b\u6483\u8005\u306f\u88ab\u5bb3\u8005\u306e IP \u30a2\u30c9\u30ec\u30b9\u3092\u507d\u88c5\u3057\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u30d6\u30ed\u30fc\u30c9\u30ad\u30e3\u30b9\u30c8 \u30a2\u30c9\u30ec\u30b9\u306b\u5927\u91cf\u306e ICMP \u30a8\u30b3\u30fc\u8981\u6c42 (ping) \u3092\u9001\u4fe1\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u8981\u6c42\u306f\u4e2d\u9593\u5897\u5e45\u88c5\u7f6e\u306b\u3088\u3063\u3066\u88ab\u5bb3\u8005\u306e IP \u306b\u8ee2\u9001\u3055\u308c\u3001\u305d\u306e\u7d50\u679c\u3001\u88ab\u5bb3\u8005\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u5727\u5012\u3059\u308b\u5927\u91cf\u306e\u5fdc\u7b54\u304c\u767a\u751f\u3057\u307e\u3059\u3002<\/p>\n<h2>\u30b9\u30de\u30fc\u30d5\u653b\u6483\u306e\u5185\u90e8\u69cb\u9020\u3002\u30b9\u30de\u30fc\u30d5\u653b\u6483\u306e\u4ed5\u7d44\u307f<\/h2>\n<ol>\n<li>\n<p><strong>\u653b\u6483\u8005\u306e\u306a\u308a\u3059\u307e\u3057:<\/strong> \u653b\u6483\u8005\u306f\u3001\u88ab\u5bb3\u8005\u306e IP \u30a2\u30c9\u30ec\u30b9\u3092\u9001\u4fe1\u5143\u3068\u3057\u3001\u30d6\u30ed\u30fc\u30c9\u30ad\u30e3\u30b9\u30c8 IP \u30a2\u30c9\u30ec\u30b9\u3092\u5b9b\u5148\u3068\u3057\u3066 ICMP \u30a8\u30b3\u30fc\u8981\u6c42\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u5897\u5e45\uff1a<\/strong> \u653b\u6483\u8005\u306f\u3001\u3053\u308c\u3089\u306e\u7d30\u5de5\u3057\u305f\u30d1\u30b1\u30c3\u30c8\u3092\u3001IP \u30c0\u30a4\u30ec\u30af\u30c8 \u30d6\u30ed\u30fc\u30c9\u30ad\u30e3\u30b9\u30c8\u304c\u6709\u52b9\u306b\u306a\u3063\u3066\u3044\u308b\u8907\u6570\u306e\u4e2d\u9593\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u9001\u4fe1\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u653e\u9001\u5897\u5e45:<\/strong> \u4e2d\u9593\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306f\u3001\u8981\u6c42\u304c\u6b63\u5f53\u3067\u3042\u308b\u3068\u4fe1\u3058\u3066\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5185\u306e\u3059\u3079\u3066\u306e\u30c7\u30d0\u30a4\u30b9\u306b ICMP \u30a8\u30b3\u30fc\u8981\u6c42\u3092\u30d6\u30ed\u30fc\u30c9\u30ad\u30e3\u30b9\u30c8\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30ec\u30b9\u30dd\u30f3\u30b9\u306e\u6d2a\u6c34:<\/strong> \u4e2d\u9593\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5185\u306e\u5404\u30c7\u30d0\u30a4\u30b9\u306f\u30d6\u30ed\u30fc\u30c9\u30ad\u30e3\u30b9\u30c8\u8981\u6c42\u306b\u5fdc\u7b54\u3057\u3001\u88ab\u5bb3\u8005\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u5727\u5012\u3059\u308b\u5927\u91cf\u306e ICMP \u30a8\u30b3\u30fc\u5fdc\u7b54\u3092\u751f\u6210\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>\u30b9\u30de\u30fc\u30d5\u653b\u6483\u306e\u4e3b\u306a\u7279\u5fb4\u306e\u5206\u6790<\/h2>\n<p>\u30b9\u30de\u30fc\u30d5\u653b\u6483\u306b\u306f\u3044\u304f\u3064\u304b\u306e\u7279\u5fb4\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li>\n<p><strong>\u5897\u5e45\uff1a<\/strong> \u3053\u306e\u653b\u6483\u306f\u30d6\u30ed\u30fc\u30c9\u30ad\u30e3\u30b9\u30c8\u5897\u5e45\u3092\u60aa\u7528\u3057\u3066\u3001\u88ab\u5bb3\u8005\u306b\u5bfe\u3057\u3066\u5927\u91cf\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u751f\u6210\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>IP\u30b9\u30d7\u30fc\u30d5\u30a3\u30f3\u30b0:<\/strong> \u653b\u6483\u8005\u306f\u88ab\u5bb3\u8005\u306e IP \u30a2\u30c9\u30ec\u30b9\u3092\u507d\u88c5\u3057\u3066\u8eab\u5143\u3092\u507d\u88c5\u3059\u308b\u305f\u3081\u3001\u653b\u6483\u306e\u771f\u306e\u767a\u4fe1\u5143\u3092\u8ffd\u8de1\u3059\u308b\u3053\u3068\u304c\u56f0\u96e3\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>ICMP \u306e\u8106\u5f31\u6027:<\/strong> \u3053\u306e\u653b\u6483\u306f\u3001\u307b\u3068\u3093\u3069\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u4e00\u822c\u7684\u306b\u8a31\u53ef\u3055\u308c\u3066\u3044\u308b ICMP \u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u8106\u5f31\u6027\u3092\u60aa\u7528\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ul>\n<h2>\u30b9\u30de\u30fc\u30d5\u653b\u6483\u306e\u7a2e\u985e<\/h2>\n<p>Smurf \u653b\u6483\u306b\u306f\u4e3b\u306b 2 \u3064\u306e\u7a2e\u985e\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ol>\n<li>\n<p><strong>\u5f93\u6765\u306e\u30b9\u30de\u30fc\u30d5\u30a3\u30f3\u30b0\u653b\u6483:<\/strong> \u3053\u306e\u30bf\u30a4\u30d7\u3067\u306f\u3001\u653b\u6483\u8005\u306f\u88ab\u5bb3\u8005\u306e IP \u30a2\u30c9\u30ec\u30b9\u3092\u76f4\u63a5\u507d\u88c5\u3057\u3001ICMP \u30a8\u30b3\u30fc\u8981\u6c42\u3092\u4e2d\u9593\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u30d6\u30ed\u30fc\u30c9\u30ad\u30e3\u30b9\u30c8\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30d5\u30e9\u30b0\u30eb\u653b\u6483:<\/strong> \u5f93\u6765\u306e Smurf \u653b\u6483\u306b\u4f3c\u3066\u3044\u307e\u3059\u304c\u3001\u653b\u6483\u8005\u306f ICMP \u306e\u4ee3\u308f\u308a\u306b\u30e6\u30fc\u30b6\u30fc \u30c7\u30fc\u30bf\u30b0\u30e9\u30e0 \u30d7\u30ed\u30c8\u30b3\u30eb (UDP) \u30d7\u30ed\u30c8\u30b3\u30eb\u3092\u4f7f\u7528\u3057\u3001\u901a\u5e38\u306f\u30dd\u30fc\u30c8 7 (\u30a8\u30b3\u30fc) \u3068\u30dd\u30fc\u30c8 19 (\u30c1\u30e3\u30fc\u30b8\u30f3) \u3092\u30bf\u30fc\u30b2\u30c3\u30c8\u306b\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<p>Smurf \u653b\u6483\u306e\u7a2e\u985e\u3092\u8868\u306b\u307e\u3068\u3081\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u653b\u6483\u30bf\u30a4\u30d7<\/th>\n<th>\u30d7\u30ed\u30c8\u30b3\u30eb<\/th>\n<th>\u5bfe\u8c61\u30dd\u30fc\u30c8<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u4f1d\u7d71\u7684\u306a\u30b9\u30de\u30fc\u30d5<\/td>\n<td>\u60c5\u5831\u51e6\u7406<\/td>\n<td>\u306a\u3057\uff08\u653e\u9001\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u30d5\u30e9\u30b0\u30eb\u30a2\u30bf\u30c3\u30af<\/td>\n<td>UDP<\/td>\n<td>\u30dd\u30fc\u30c8 7\u3001\u30dd\u30fc\u30c8 19<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u30b9\u30de\u30fc\u30d5\u653b\u6483\u306e\u4f7f\u7528\u65b9\u6cd5\u3001\u4f7f\u7528\u306b\u95a2\u9023\u3059\u308b\u554f\u984c\u3068\u305d\u306e\u89e3\u6c7a\u7b56<\/h2>\n<h3>\u30b9\u30de\u30fc\u30d5\u653b\u6483\u306e\u4f7f\u7528\u65b9\u6cd5:<\/h3>\n<ul>\n<li>\u30d7\u30ed\u30bb\u30b9\u3092\u81ea\u52d5\u5316\u3059\u308b\u30c4\u30fc\u30eb\u3084\u30b9\u30af\u30ea\u30d7\u30c8\u304c\u5229\u7528\u3067\u304d\u308b\u305f\u3081\u3001Smurf \u653b\u6483\u3092\u958b\u59cb\u3059\u308b\u306e\u306f\u6bd4\u8f03\u7684\u7c21\u5358\u3067\u3059\u3002<\/li>\n<li>\u30b5\u30a4\u30d0\u30fc\u72af\u7f6a\u8005\u306f\u3001\u30b9\u30de\u30fc\u30d5\u30a3\u30f3\u30b0\u653b\u6483\u3092\u4f7f\u7528\u3057\u3066\u3001\u91cd\u8981\u306a\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u3001\u653f\u5e9c\u6a5f\u95a2\u3001\u307e\u305f\u306f\u5927\u898f\u6a21\u306a\u7d44\u7e54\u3092\u6a19\u7684\u306b\u3057\u3001\u5927\u898f\u6a21\u306a\u6df7\u4e71\u3092\u5f15\u304d\u8d77\u3053\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n<h3>\u554f\u984c\u3068\u89e3\u6c7a\u7b56:<\/h3>\n<ul>\n<li>\n<p><strong>IP \u30bd\u30fc\u30b9\u691c\u8a3c:<\/strong> \u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30a8\u30c3\u30b8\u3067\u30bd\u30fc\u30b9 IP \u691c\u8a3c\u3092\u5b9f\u88c5\u3059\u308b\u3068\u3001IP \u30a2\u30c9\u30ec\u30b9\u306e\u30b9\u30d7\u30fc\u30d5\u30a3\u30f3\u30b0\u3092\u9632\u3050\u3053\u3068\u304c\u3067\u304d\u3001\u653b\u6483\u8005\u304c\u88ab\u5bb3\u8005\u306e IP \u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u56f0\u96e3\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>IP \u30c0\u30a4\u30ec\u30af\u30c8\u30d6\u30ed\u30fc\u30c9\u30ad\u30e3\u30b9\u30c8\u3092\u7121\u52b9\u306b\u3059\u308b:<\/strong> \u30eb\u30fc\u30bf\u30fc\u3068\u30b9\u30a4\u30c3\u30c1\u3067 IP \u5411\u3051\u30d6\u30ed\u30fc\u30c9\u30ad\u30e3\u30b9\u30c8\u3092\u7121\u52b9\u306b\u3059\u308b\u3068\u3001Smurf \u653b\u6483\u306e\u5f71\u97ff\u3092\u8efd\u6e1b\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30a4\u30f3\u30b0\u30ec\u30b9\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0:<\/strong> \u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30c7\u30d0\u30a4\u30b9\u3067\u30a4\u30f3\u30b0\u30ec\u30b9 \u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3092\u4f7f\u7528\u3057\u3066\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4e0a\u306b\u8868\u793a\u3055\u308c\u308b\u3079\u304d\u3067\u306f\u306a\u3044\u9001\u4fe1\u5143\u30a2\u30c9\u30ec\u30b9\u3092\u6301\u3064\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u30d6\u30ed\u30c3\u30af\u3059\u308b\u3053\u3068\u3082\u52b9\u679c\u7684\u3067\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30ec\u30fc\u30c8\u5236\u9650:<\/strong> ICMP \u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306b\u30ec\u30fc\u30c8\u5236\u9650\u3092\u8a2d\u5b9a\u3059\u308b\u3068\u3001\u653b\u6483\u306e\u5897\u5e45\u52b9\u679c\u3092\u8efd\u6e1b\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ul>\n<h2>\u4e3b\u306a\u7279\u5fb4\u3068\u985e\u4f3c\u7528\u8a9e\u3068\u306e\u6bd4\u8f03<\/h2>\n<p>Smurf \u653b\u6483\u3068\u540c\u69d8\u306e DDoS \u653b\u6483\u30bf\u30a4\u30d7\u3092\u6bd4\u8f03\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u653b\u6483\u30bf\u30a4\u30d7<\/th>\n<th>\u30d7\u30ed\u30c8\u30b3\u30eb<\/th>\n<th>\u5897\u5e45\u7387<\/th>\n<th>IP\u30b9\u30d7\u30fc\u30d5\u30a3\u30f3\u30b0<\/th>\n<th>\u76ee\u6a19<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u30b9\u30de\u30fc\u30d5\u653b\u6483<\/td>\n<td>ICMP\/UDP<\/td>\n<td>\u9ad8\u3044<\/td>\n<td>\u306f\u3044<\/td>\n<td>\u30d6\u30ed\u30fc\u30c9\u30ad\u30e3\u30b9\u30c8IP<\/td>\n<\/tr>\n<tr>\n<td>SYN\u30d5\u30e9\u30c3\u30c9\u653b\u6483<\/td>\n<td>TCP<\/td>\n<td>\u4f4e\u301c\u4e2d<\/td>\n<td>\u3044\u3044\u3048<\/td>\n<td>\u30b5\u30fc\u30d3\u30b9\u30dd\u30fc\u30c8<\/td>\n<\/tr>\n<tr>\n<td>DNS\u5897\u5e45<\/td>\n<td>UDP<\/td>\n<td>\u9ad8\u3044<\/td>\n<td>\u306f\u3044<\/td>\n<td>DNS \u518d\u5e30<\/td>\n<\/tr>\n<tr>\n<td>NTP\u5897\u5e45<\/td>\n<td>UDP<\/td>\n<td>\u9ad8\u3044<\/td>\n<td>\u306f\u3044<\/td>\n<td>NTP \u30b5\u30fc\u30d0\u30fc<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u30b9\u30de\u30fc\u30d5\u653b\u6483\u306b\u95a2\u3059\u308b\u4eca\u5f8c\u306e\u5c55\u671b\u3068\u6280\u8853<\/h2>\n<p>\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u304c\u9032\u5316\u3059\u308b\u306b\u3064\u308c\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u7ba1\u7406\u8005\u3068\u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u5c02\u9580\u5bb6\u306f\u3001\u30b9\u30de\u30fc\u30d5\u30a3\u30f3\u30b0\u653b\u6483\u3084\u305d\u306e\u4ed6\u306e DDoS \u8105\u5a01\u306b\u5bfe\u6297\u3059\u308b\u305f\u3081\u306e\u9ad8\u5ea6\u306a\u7de9\u548c\u6280\u8853\u306e\u958b\u767a\u3092\u7d9a\u3051\u308b\u3067\u3057\u3087\u3046\u3002\u4eba\u5de5\u77e5\u80fd\u3068\u6a5f\u68b0\u5b66\u7fd2\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3092\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u3053\u306e\u3088\u3046\u306a\u653b\u6483\u3092\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u3067\u7279\u5b9a\u3057\u3001\u5bfe\u5fdc\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u5f37\u5316\u3055\u308c\u305f\u76e3\u8996\u304a\u3088\u3073\u5206\u6790\u30c4\u30fc\u30eb\u306f\u3001\u9032\u884c\u4e2d\u306e\u653b\u6483\u3092\u7279\u5b9a\u3057\u3001\u7de9\u548c\u3059\u308b\u4e0a\u3067\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002<\/p>\n<h2>\u30d7\u30ed\u30ad\u30b7\u30b5\u30fc\u30d0\u30fc\u304c\u3069\u306e\u3088\u3046\u306b\u4f7f\u7528\u3055\u308c\u308b\u304b\u3001\u307e\u305f\u306f\u30b9\u30de\u30fc\u30d5\u653b\u6483\u3068\u3069\u306e\u3088\u3046\u306b\u95a2\u9023\u4ed8\u3051\u3089\u308c\u308b\u304b<\/h2>\n<p>\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u3001Smurf \u653b\u6483\u306e\u30bf\u30fc\u30b2\u30c3\u30c8\u306b\u3082\u306a\u308a\u3001\u307e\u305f\u3001Smurf \u653b\u6483\u3092\u8efd\u6e1b\u3059\u308b\u624b\u6bb5\u306b\u3082\u306a\u308a\u307e\u3059\u3002<\/p>\n<ol>\n<li>\n<p><strong>\u30bf\u30fc\u30b2\u30c3\u30c8\u3068\u3057\u3066\u306e\u30d7\u30ed\u30ad\u30b7:<\/strong> \u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u304c Smurf \u653b\u6483\u306e\u88ab\u5bb3\u306b\u906d\u3046\u3068\u3001\u653b\u6483\u306b\u3088\u3063\u3066\u30b5\u30fc\u30d3\u30b9\u304c\u4e2d\u65ad\u3055\u308c\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u3078\u306e\u30a2\u30af\u30bb\u30b9\u306b\u30d7\u30ed\u30ad\u30b7\u3092\u5229\u7528\u3057\u3066\u3044\u308b\u30e6\u30fc\u30b6\u30fc\u306b\u5f71\u97ff\u304c\u53ca\u3076\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u7de9\u548c\u30c4\u30fc\u30eb\u3068\u3057\u3066\u306e\u30d7\u30ed\u30ad\u30b7:<\/strong> \u4e00\u65b9\u3001\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u3001\u653b\u6483\u8005\u3068\u30bf\u30fc\u30b2\u30c3\u30c8 \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u9593\u306e\u4fdd\u8b77\u30d0\u30ea\u30a2\u3068\u3057\u3066\u6a5f\u80fd\u3057\u307e\u3059\u3002OneProxy \u306a\u3069\u306e\u30d7\u30ed\u30ad\u30b7 \u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u306f\u3001DDoS \u4fdd\u8b77\u30b5\u30fc\u30d3\u30b9\u3092\u63d0\u4f9b\u3057\u3066\u3001\u60aa\u610f\u306e\u3042\u308b\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u304c\u30bf\u30fc\u30b2\u30c3\u30c8\u306b\u5230\u9054\u3059\u308b\u524d\u306b\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>\u95a2\u9023\u30ea\u30f3\u30af<\/h2>\n<ul>\n<li><a href=\"https:\/\/www.caida.org\/catalog\/datasets\/smurf\/sar\/\" target=\"_new\" rel=\"noopener nofollow\">\u30b9\u30de\u30fc\u30d5\u30a3\u30f3\u30b0 \u30a2\u30f3\u30d7 \u30ec\u30b8\u30b9\u30c8\u30ea (SAR)<\/a><\/li>\n<li><a href=\"https:\/\/www.watchguard.com\/wgrd-resource-center\/security-vulnerability-alerts\/icmp-attacks-smurf-attack\" target=\"_new\" rel=\"noopener nofollow\">ICMP \u653b\u6483: \u30b9\u30de\u30fc\u30d5\u30a3\u30f3\u30b0\u653b\u6483<\/a><\/li>\n<li><a href=\"https:\/\/www.cloudflare.com\/learning\/ddos\/glossary\/smurf-attack\/\" target=\"_new\" rel=\"noopener nofollow\">DDoS\u653b\u6483\u3092\u7406\u89e3\u3059\u308b<\/a><\/li>\n<\/ul>\n<p>\u7d50\u8ad6\u3068\u3057\u3066\u3001\u30b9\u30de\u30fc\u30d5\u653b\u6483\u306f\u4f9d\u7136\u3068\u3057\u3066\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u5bfe\u3059\u308b\u91cd\u5927\u306a\u8105\u5a01\u3067\u3059\u304c\u3001\u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3068 DDoS \u7de9\u548c\u6280\u8853\u306e\u7d99\u7d9a\u7684\u306a\u9032\u6b69\u306b\u3088\u308a\u3001\u3053\u306e\u3088\u3046\u306a\u653b\u6483\u306e\u5f71\u97ff\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u8a55\u5224\u306e\u9ad8\u3044\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc \u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u3068\u3057\u3066\u3001OneProxy \u306f\u30b5\u30fc\u30d3\u30b9\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3068\u4fe1\u983c\u6027\u3092\u6700\u512a\u5148\u3057\u3001\u30b9\u30de\u30fc\u30d5\u653b\u6483\u3092\u542b\u3080\u3055\u307e\u3056\u307e\u306a\u8105\u5a01\u304b\u3089\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3092\u4fdd\u8b77\u3057\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u3078\u306e\u30b9\u30e0\u30fc\u30ba\u3067\u4e2d\u65ad\u306e\u306a\u3044\u30a2\u30af\u30bb\u30b9\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u306b\u53d6\u308a\u7d44\u3093\u3067\u3044\u307e\u3059\u3002<\/p>","protected":false},"featured_media":479039,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-479038","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Smurf Attack: A Comprehensive Overview<\/mark>","faq_items":[{"question":"What is a Smurf attack?","answer":"<p>A Smurf attack is a type of Distributed Denial of Service (DDoS) attack that floods a target network with a large volume of Internet Control Message Protocol (ICMP) packets. These packets are broadcasted to intermediary networks, which then respond, overwhelming the target's resources and causing a disruption of service.<\/p>"},{"question":"Who discovered the Smurf attack, and when was it first mentioned?","answer":"<p>The Smurf attack was first documented by Michal Zalewski in 1997. It gained notoriety in the late 1990s and early 2000s when it was used to disrupt several high-profile websites and services.<\/p>"},{"question":"How does a Smurf attack work?","answer":"<p>In a Smurf attack, the attacker spoofs the victim's IP address and sends ICMP echo requests to broadcast addresses on intermediary networks. These networks, believing the requests are legitimate, broadcast the ICMP echo requests to all devices, generating a flood of ICMP echo replies that inundate the victim's network.<\/p>"},{"question":"What are the key features of a Smurf attack?","answer":"<p>The key features of a Smurf attack include amplification, IP spoofing, and exploiting the vulnerability of the ICMP protocol. The attack leverages these elements to cause significant disruption to the target network.<\/p>"},{"question":"What types of Smurf attacks exist?","answer":"<p>There are two main types of Smurf attacks:<\/p><ol><li>Traditional Smurf Attack: This type directly spoofs the victim's IP address and broadcasts ICMP echo requests to intermediary networks.<\/li><li>Fraggle Attack: Similar to the traditional Smurf attack, but instead of ICMP, the attackers use the User Datagram Protocol (UDP) targeting port 7 (echo) and port 19 (chargen).<\/li><\/ol>"},{"question":"How can Smurf attacks be mitigated?","answer":"<p>Smurf attacks can be mitigated through several measures, such as implementing IP source validation, disabling IP-directed broadcasts, using ingress filtering, and setting up rate limits on ICMP traffic.<\/p>"},{"question":"How can proxy servers help in countering Smurf attacks?","answer":"<p>Proxy servers can act as a protective barrier against Smurf attacks. Reputable proxy server providers, like OneProxy, offer DDoS protection services that filter out malicious traffic before it reaches the target network, ensuring uninterrupted internet access for users.<\/p>"},{"question":"Are there any future technologies to combat Smurf attacks?","answer":"<p>As technology evolves, cybersecurity professionals will continue to develop advanced mitigation techniques using artificial intelligence, machine learning, and enhanced monitoring tools to identify and respond to Smurf attacks in real-time.<\/p>"},{"question":"Where can I find more information about Smurf attacks?","answer":"<p>For more in-depth information about Smurf attacks, you can refer to the following resources:<\/p><ul><li><a href=\"https:\/\/www.caida.org\/catalog\/datasets\/smurf\/sar\/\" target=\"_new\">The Smurf Amplifier Registry (SAR)<\/a><\/li><li><a href=\"https:\/\/www.watchguard.com\/wgrd-resource-center\/security-vulnerability-alerts\/icmp-attacks-smurf-attack\" target=\"_new\">ICMP Attacks: The Smurf Attack<\/a><\/li><li><a href=\"https:\/\/www.cloudflare.com\/learning\/ddos\/glossary\/smurf-attack\/\" target=\"_new\">Understanding DDoS Attacks<\/a><\/li><\/ul>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/wiki\/479038","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/wiki\/479038\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/media\/479039"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/media?parent=479038"}],"curies":[{"name":"\u3046\u30fc\u3093","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}