{"id":199,"date":"2021-04-28T10:54:20","date_gmt":"2021-04-28T02:54:20","guid":{"rendered":"https:\/\/choson_steven.lifenet.com.tw\/?p=199"},"modified":"2023-03-29T16:56:53","modified_gmt":"2023-03-29T08:56:53","slug":"%e5%8a%ab%e6%8c%81%e7%94%a8%e6%88%b6%e6%9c%83%e8%a9%b1%ef%bc%88hijack-user-sessions%ef%bc%89","status":"publish","type":"post","link":"https:\/\/choson.lifenet.com.tw\/?p=199","title":{"rendered":"\u52ab\u6301\u7528\u6236\u6703\u8a71\uff08hijack user sessions\uff09"},"content":{"rendered":"\n

\"https:\/\/ithelp.ithome.com.tw\/upload\/images\/20210428\/2013216012DMM1dGfX.jpg\"
-VLAN\u7d44\uff08\u4f86\u6e90\uff1aCisco Press<\/a>\uff09
VLAN\u662f\u4e00\u7a2e\u5275\u5efa\u5176\u5ee3\u64ad\u57df\u7684\u7db2\u7d61\u5206\u6bb5\u548c\u9694\u96e2\u6a5f\u5236\u3002\u8def\u7531\u5668\u901a\u5e38\u8de8VLAN\u8f49\u767c\u7bc0\u9ede\u4e4b\u9593\u7684\u901a\u4fe1\u3002\u4e2d\u7e7c\u7dda\u662f\u7528\u65bc\u9023\u63a5\u4ea4\u63db\u6a5f\u548c\u8def\u7531\u5668\u7684\u93c8\u63a5\u3002\u63db\u53e5\u8a71\u8aaa\uff0c\u8a2a\u554f\u4e2d\u7e7c\u53ef\u4ee5\u6355\u7372\u8de8VLAN\u7684\u6d41\u91cf\u3002
. VLAN\u8df3<\/a>\u8b8a\u5be6\u969b\u4e0a\u662f\u4ea4\u63db\u6a5f\u6b3a\u9a19\u3002\u653b\u64ca\u4e3b\u6a5f\u64cd\u7e31\u4e2d\u7e7c\u5354\u8b70\u4ee5\u901a\u904e\u4e2d\u7e7c\u7dda\u9023\u63a5\u5230\u4ea4\u63db\u6a5f\u3002\u5b83\u6355\u7372\u6d41\u91cf\u4e26\u6210\u70ba\u4e2d\u9593\u4eba\uff0c\u5f9e\u800c\u4f7f\u6703\u8a71\u52ab\u6301\u66f4\u52a0\u5bb9\u6613\u3002
. \u201c IP\u5730\u5740\u6b3a\u9a19<\/a>\u6700\u5e38\u7528\u65bc\u62d2\u7d55\u670d\u52d9\u653b\u64ca\u4e2d\uff0c\u5176\u76ee\u7684\u662f\u4ee5\u58d3\u5012\u6027\u7684\u6d41\u91cf\u6df9\u6c92\u76ee\u6a19\uff0c\u4e26\u4e14\u653b\u64ca\u8005\u4e26\u4e0d\u95dc\u5fc3\u63a5\u6536\u5c0d\u653b\u64ca\u6578\u64da\u5305\u7684\u97ff\u61c9\u3002\u201d \uff08Wikipedia<\/a>\uff09\u5118\u7ba1\u653b\u64ca\u8005\u53ef\u4ee5\u4f7f\u7528\u5b83\u52ab\u6301\u7528\u6236\u6703\u8a71\uff0c\u4f46TCP\u5e8f\u5217\u865f\u901a\u5e38\u53ef\u4ee5\u6e1b\u8f15\u653b\u64ca\u3002
. ARP\u6b3a\u9a19<\/a>\u548cDNS\u6b3a\u9a19<\/a>\u662f\u7528\u65bc\u91cd\u5b9a\u5411\u6216\u8f49\u79fb\u6d41\u91cf\u4e26\u52ab\u6301\u7528\u6236\u6703\u8a71\u7684\u5e38\u7528\u6280\u8853\u3002<\/p>\n\n\n\n

\u4e3b\u5e79\uff08Trunk\uff09<\/strong>
. \u201c VLAN\u4e2d\u7e7c\u7dda\u6216\u4e2d\u7e7c\u7dda\u662f\u627f\u8f09\u591a\u500bVLAN\u7684\u5169\u500b\u7db2\u7d61\u8a2d\u5099\u4e4b\u9593\u7684\u9ede\u5c0d\u9ede\u93c8\u63a5\u3002VLAN\u4e2d\u7e7c\u5c07VLAN\u64f4\u5c55\u5230\u5169\u500b\u6216\u591a\u500b\u7db2\u7d61\u8a2d\u5099\u4e0a\u3002\u201d \uff08\u601d\u79d1<\/a>\uff09
. \u201c\u4e2d\u7e7c\u7aef\u53e3\u662f\u4ea4\u63db\u6a5f\u4e4b\u9593\u7684\u93c8\u63a5\uff0c\u652f\u6301\u8207\u591a\u500bVLAN\u76f8\u95dc\u7684\u6d41\u91cf\u7684\u50b3\u8f38\u3002\u201d \uff08\u601d\u79d1<\/a>\uff09<\/p>\n\n\n\n

VLAN\u8df3\u8b8a(VLAN Hopping)<\/strong>
VLAN\u8df3\u983b\u662f\u4e00\u7a2e\u8a08\u7b97\u6a5f\u5b89\u5168\u6f0f\u6d1e\uff0c\u662f\u4e00\u7a2e\u653b\u64ca\u865b\u64ecLAN\uff08VLAN\uff09\u4e0a\u7684\u7db2\u7d61\u8cc7\u6e90\u7684\u65b9\u6cd5\u3002\u6240\u6709VLAN\u8df3\u8e8d\u653b\u64ca\u80cc\u5f8c\u7684\u57fa\u672c\u6982\u5ff5\u662fVLAN\u4e0a\u7684\u653b\u64ca\u4e3b\u6a5f\u53ef\u4ee5\u8a2a\u554f\u901a\u5e38\u7121\u6cd5\u8a2a\u554f\u7684\u5176\u4ed6VLAN\u4e0a\u7684\u6d41\u91cf\u3002VLAN\u8df3\u8e8d\u7684\u4e3b\u8981\u65b9\u6cd5\u6709\u5169\u7a2e\uff1a\u4ea4\u63db\u6a5f\u6b3a\u9a19\u548c\u96d9\u91cd\u6a19\u8a18\u3002\u6b63\u78ba\u7684\u4ea4\u63db\u6a5f\u7aef\u53e3\u914d\u7f6e\u53ef\u4ee5\u7de9\u89e3\u9019\u5169\u7a2e\u653b\u64ca\u65b9\u5f0f\u3002\uff08\u7dad\u57fa\u767e\u79d1<\/a>\uff09<\/p>\n\n\n\n

\u53c3\u8003
. \u6703\u8a71\u52ab\u6301<\/a>
. IP\u5730\u5740\u6b3a\u9a19<\/a>
. ARP\u6b3a\u9a19<\/a>
. DNS\u6b3a\u9a19<\/a>
. VLAN\u8df3\u8b8a<\/a><\/p>\n\n\n\n

\u8cc7\u6599\u4f86\u6e90\uff1a\u00a0Wentz Wu QOTD-20210304<\/a><\/p>\n\n\n\n

PS:\u6b64\u6587\u7ae0\u7d93\u904e\u4f5c\u8005\u540c\u610f\u520a\u767b \u4e26\u4e14\u6388\u6b0a\u53ef\u4ee5\u7ffb\u8b6f\u6210\u4e2d\u6587<\/p>\n","protected":false},"excerpt":{"rendered":"

-VLAN\u7d44\uff08\u4f86\u6e90\uff1aCisco Press\uff09VLAN\u662f\u4e00\u7a2e\u5275\u5efa\u5176\u5ee3\u64ad\u57df\u7684\u7db2\u7d61\u5206\u6bb5\u548c\u9694\u96e2\u6a5f\u5236\u3002\u8def\u7531\u5668\u901a\u5e38\u8de8VLA […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":true,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-199","post","type-post","status-publish","format-standard","hentry","category-cisspcertified-information-systems-security-professional"],"_links":{"self":[{"href":"https:\/\/choson.lifenet.com.tw\/index.php?rest_route=\/wp\/v2\/posts\/199","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/choson.lifenet.com.tw\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/choson.lifenet.com.tw\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/choson.lifenet.com.tw\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/choson.lifenet.com.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=199"}],"version-history":[{"count":2,"href":"https:\/\/choson.lifenet.com.tw\/index.php?rest_route=\/wp\/v2\/posts\/199\/revisions"}],"predecessor-version":[{"id":2894,"href":"https:\/\/choson.lifenet.com.tw\/index.php?rest_route=\/wp\/v2\/posts\/199\/revisions\/2894"}],"wp:attachment":[{"href":"https:\/\/choson.lifenet.com.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=199"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/choson.lifenet.com.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=199"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/choson.lifenet.com.tw\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=199"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}