{"id":2643,"date":"2024-03-22T22:33:52","date_gmt":"2024-03-22T14:33:52","guid":{"rendered":"http:\/\/www.ccwifi.cc\/blogs\/?p=2643"},"modified":"2024-03-22T22:33:52","modified_gmt":"2024-03-22T14:33:52","slug":"%e6%8f%a1%e6%89%8b%e5%8c%85tcp%e4%ba%8c%e6%ac%a1%e6%8f%a1%e6%89%8b%e6%97%b6%e5%bb%b6_%e7%bd%91%e7%bb%9c%e5%8d%8f%e8%ae%ae%e4%bb%8e5451","status":"publish","type":"post","link":"https:\/\/www.ccwifi.cc\/blogs\/2024\/03\/22\/%e6%8f%a1%e6%89%8b%e5%8c%85tcp%e4%ba%8c%e6%ac%a1%e6%8f%a1%e6%89%8b%e6%97%b6%e5%bb%b6_%e7%bd%91%e7%bb%9c%e5%8d%8f%e8%ae%ae%e4%bb%8e5451\/","title":{"rendered":"\u63e1\u624b\u5305 tcp \u4e8c\u6b21\u63e1\u624b\u65f6\u5ef6_\u7f51\u7edc\u534f\u8bae\u4ece\u5165\u95e8\u5230\u4e0a\u763e\u6a21\u62df\u4e09\u6b21\u63e1\u624b"},"content":{"rendered":"<div>\n<p>\u5728\u7ebfwifi\u8dd1\u5305 \u91d1\u521a\u5305\u8dd1\u5305 cap\u8dd1\u5305 hccapx ewsa\u5728\u7ebf \u5c31\u6765 <strong><a href=\"https:\/\/ccwifi.cc\" target=\"_blank\" rel=\"noopener\">\u63e1\u624b\u5305\u8dd1\u5305<\/a><\/strong><\/p>\n<p>\u5404\u4f4d\u597d \u53c8\u89c1\u9762\u4e86 \u6211\u662f\u66f9\u64cd \u4eca\u5929\u7ed9\u5927\u5bb6\u5e26\u6765\u4e00\u7bc7\u65b0\u7684\u6559\u7a0b<\/p>\n<p>\u5e0c\u671b\u5404\u4f4d\u7ec6\u5fc3\u5b66\u4e60 \u4f4e\u8c03\u7528\u7f51<\/p>\n<\/div>\n<pre><code>&gt;&gt;&gt; ans = sr1(IP(dst='180.101.49.11')\/TCP(dport=80,sport=9527,seq=110,flags='S'),verbose=False)<\/code><\/pre>\n<p>\u5728\u5b66\u4e60\u7f51\u7edc\u534f\u8bae\u7684\u4e09\u6b21\u63e1\u624b\u7406\u8bba\u8fc7\u7a0b\u4e2d\uff0c\u901a\u5e38\u4f1a\u4f7f\u7528Wireshark\u6293\u5305TCP\u7684\u4e09\u6b21\u63e1\u624b\u5305\u6765\u8fdb\u884c\u8bf4\u660e\u3002\u672c\u6587\u901a\u8fc7\u4f7f\u7528Scapy\u548cWireshark\u5bf9\u4e09\u6b21\u63e1\u624b\u8fc7\u7a0b\u8fdb\u884c\u63e1\u624b\u5305\u7ea7\u7684\u6a21\u62df\uff0c\u4ee5\u6b64\u6d88\u9664\u5bf9\u4e09\u6b21\u63e1\u624b\u7684\u795e\u79d8\u611f\u3002\u4f7f\u7528Scapy\u53d1\u9001SYN\u5305\uff1a<\/p>\n<pre><code>&gt;&gt;&gt; ans&gt;&gt;<\/code><\/pre>\n<p>\u5176\u4e2d\uff0csr1\u8868\u793a\u53d1\u9001\u4e09\u5c42\u6570\u636e\u5305\u5e76\u63a5\u6536\u5e94\u7b54\u5305\uff0cIP\u5c42\u7684\u76ee\u7684\u5730\u5740\u662f180.101.49.11(\u767e\u5ea6IP\u5730\u5740)\uff0cTCP\u534f\u8bae\u7684\u76ee\u7684\u7aef\u53e3\u662f80\uff0c\u6e90\u7aef\u53e39527\uff0c\u5e8f\u53f7110\uff0cflags\u503c\u4e3aS(\u8868\u793aSYN\u5305)\u3002Wireshark\u6293\u5305\u622a\u56fe\u5982\u4e0b\uff1a<\/p>\n<p>\u4ece\u4e0a\u56fe\u4e2d\u53ef\u4ee5\u770b\u51fa\uff0c\u534f\u8bae\u662fTCP\uff0cSYN\u5305\u6e90\u7aef\u53e3\u65f69527\uff0c\u76ee\u7684\u7aef\u53e3\u65f680\uff1b\u5e8f\u53f7\u662f110\u3002\u8be6\u60c5\u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/p>\n<p>\u54cd\u5e94\u6570\u636e\u5305\u6e90\u5730\u5740180.101.49.11\uff0c\u76ee\u7684\u5730\u574010.10.0.138\uff0c\u6e90\u7aef\u53e380\uff0c\u76ee\u7684\u7aef\u53e39527\uff0c\u5e8f\u53f7583771928\uff0cack\u662f111(\u7b2c\u4e00\u6b21\u63e1\u624b\u5305seq\u6211\u4eec\u8bbe\u7f6e\u4e3a110\uff0c\u6240\u4ee5\u54cd\u5e94ack\u662f110+1=111)\u3002Wireshark\u6293\u5305\u8be6\u60c5\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<p>\u4f7f\u7528Scapy\u6784\u5efa\u63e1\u624b\u5305\uff1a<\/p>\n<pre><code>iptables -A OUTPUT -p tcp --tcp-flags RST RST -j DROP<\/code><\/pre>\n<p>\u5176\u4e2d\uff0cack\u662f\u54cd\u5e94\u5305seq\u52a01\uff0c\u5373\u54cd\u5e94\u7aef\u5df2\u53d1\u9001\u5305\u5e8f\u53f7\u52a01\uff0cseq\u662f\u54cd\u5e94\u5305\u7684ack\u3002Wireshark\u6293\u5305\u8be6\u60c5\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<pre><code>&gt;&gt;&gt;send(IP(dst='180.101.49.11')\/TCP(dport=80,sport=9527,ack=ans[TCP].seq+1,seq=ans[TCP].ack,flags='A'),verbose=False)<\/code><\/pre>\n<p>\u4e8c\u6b21\u63e1\u624b\u5305\u7684seq\u503c\u662f583771928\uff0c\u6240\u4ee5\u4e09\u6b21\u63e1\u624b\u5305\u7684ack\u662f583771929\uff1b\u4e09\u6b21\u63e1\u624b\u5305\u7684seq\u662f111\uff0c\u5373\u4e8c\u6b21\u63e1\u624b\u5305\u7684ack\u3002\u7ecf\u8fc7\u4e0a\u8ff0\u5b9e\u64cd\uff0c\u76f8\u4fe1\u5bf9TCP\u7684\u4e09\u6b21\u63e1\u624b\u5168\u6d41\u7a0b\u6709\u4e86\u66f4\u52a0\u6df1\u523b\u7684\u8ba4\u8bc6\u3002\u4f30\u8ba1\u6ca1\u6709\u4eba\u80fd\u6bd4\u4f60\u66f4\u52a0\u5f62\u8c61\u7684\u8ba4\u8bc6\u4e09\u6b21\u63e1\u624b\u7ecf\u8fc7\u3002<\/p>\n<p>\u53ef\u80fd\u9047\u5230\u7684\u95ee\u9898<\/p>\n<p>\u4e0a\u8ff0\u5b9e\u9a8c\u662f\u5728Windows\u73af\u5883\u4e0b\uff0c\u4f7f\u7528Scapy\u548cWireshark\u8fdb\u884c\u64cd\u4f5c\u7684\u3002\u5982\u679c\u6ca1\u6709\u5bf9\u64cd\u4f5c\u7cfb\u7edf\u548cWireshark\u8fdb\u884c\u8c03\u6574\uff0c\u5f88\u53ef\u80fd\u5f97\u4e0d\u5230\u4e0a\u8ff0\u7ed3\u679c\u3002<\/p>\n<p>\u5982\u679cWindows\u6ca1\u6709\u6253\u5f00\u9632\u706b\u5899\uff0c\u5f80\u5f80Wireshark\u4f1a\u6536\u5230RST\u5305\uff1a<\/p>\n<p>\u9488\u5bf9\u8fd9\u79cd\u60c5\u51b5\uff0cWindows\u7cfb\u7edf\u6253\u5f00\u9632\u706b\u5899\u5373\u53ef\u89e3\u51b3\u3002Linux\u53ef\u4f7f\u7528iptables\u628aRST\u5305\u4e22\u5f03\u4e5f\u53ef\u89e3\u51b3\uff0c\u547d\u4ee4\u5982\u4e0b\uff1a<\/p>\n<p><!-- \u6587\u7ae0\u6765\u6e90:https:\/\/blog.csdn.net\/weixin_29434351\/article\/details\/112528033 --><\/p>\n<p>\u53d1\u751f\u6b64\u95ee\u9898\u7684\u6df1\u5c42\u6b21\u539f\u56e0\u662f\u6211\u4eec\u4f7f\u7528raw socket\u5904\u7406\u63e1\u624b\u62a5\u6587\u65f6\uff0cTCP\u5957\u63a5\u5b57\u6ca1\u6709\u5904\u4e8elisten\u72b6\u6001\u3002\u64cd\u4f5c\u7cfb\u7edf\u5185\u6838\u9488\u5bf9\u8fd9\u79cd\u60c5\u51b5\u4e00\u822c\u662f\u63d0\u524d\u53d1\u9001RST\u4e2d\u65ad\u8be5\u94fe\u63a5\u3002<\/p>\n<p>\u901a\u8fc7Scapy\u6784\u5efa\u7684SYN\u5305\u7684\u5e8f\u53f7\u9ed8\u8ba4\u503c\u662f110\uff0c\u4f46\u662fWireshark\u6293\u5230\u7684\u5305\u5374\u663e\u793a\u4e3a0\uff0c\u622a\u56fe\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<p>\u53d1\u751f\u8fd9\u79cd\u73b0\u8c61\u7684\u539f\u56e0\u662fWireshark\u81ea\u8eab\u673a\u5236\u5bfc\u81f4\u7684\u3002Wireshark\u901a\u5e38\u663e\u793a\u7684\u90fd\u662f\u76f8\u5bf9\u5e8f\u5217\u53f7\/\u786e\u8ba4\u53f7\uff0c\u800c\u4e0d\u662f\u5b9e\u9645\u5e8f\u5217\u53f7\/\u786e\u8ba4\u53f7\uff0c\u76f8\u5bf9\u5e8f\u5217\u53f7\/\u786e\u8ba4\u53f7\u662f\u548cTCP\u4f1a\u8bdd\u7684\u521d\u59cb\u5e8f\u5217\u53f7\u76f8\u5173\u8054\u7684\u3002<\/p>\n<p>\u5982\u679c\u60f3\u8981\u5173\u95ed\u76f8\u5bf9\u5e8f\u5217\u53f7\/\u786e\u8ba4\u53f7\uff0c\u53ef\u4ee5\u9009\u62e9Wireshark\u83dc\u5355\u680f\u4e2d\u7684 Edit -&gt; Preferences -&gt;protocols -&gt;TCP\uff0c\u53bb\u6389Relative sequence number\u540e\u9762\u52fe\u9009\u6846\u4e2d\u7684\u221a\u5373\u53ef\u3002<\/p>\n<p>\u5c0f\u7ed3<\/p>\n<p>\u672c\u6587\u6f14\u793a\u4e86\u5982\u4f55\u4f7f\u7528Scapy\u6784\u5efa\u63e1\u624b\u5305\u6a21\u62dfTCP\u4e09\u6b21\u63e1\u624b\u7ecf\u8fc7\uff0c\u5e76\u5bf9\u5b9e\u9a8c\u8fc7\u7a0b\u4e2d\u53ef\u80fd\u51fa\u73b0\u7684\u610f\u5916\u60c5\u51b5\u8fdb\u884c\u4e86\u8bf4\u660e\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63e1\u624b\u5305 tcp \u4e8c\u6b21\u63e1\u624b\u65f6\u5ef6_\u7f51\u7edc\u534f\u8bae\u4ece\u5165\u95e8\u5230\u4e0a\u763e\u6a21\u62df\u4e09\u6b21\u63e1\u624b\u5728\u5b66\u4e60\u7f51\u7edc\u534f\u8bae\u7684\u4e09\u6b21\u63e1\u624b\u7406\u8bba\u8fc7\u7a0b\u4e2d\uff0c\u4f5c\u8005\u901a\u5e38\u4f1a\u4f7f\u7528Wireshark\u6293\u5305TCP\u7684\u4e09\u6b21\u63e1\u624b\u5305\u6765\u8fdb\u884c\u8bf4\u660e\u3002\u672c\u6587\u901a\u8fc7\u4f7f\u7528Scapy\u548cWireshark\u5bf9\u4e09\u6b21\u63e1\u624b\u8fc7\u7a0b\u8fdb\u884c\u63e1\u624b\u5305\u7ea7\u7684\u6a21\u62df<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"topic":[],"class_list":["post-2643","post","type-post","status-publish","format-standard","hentry","category-1"],"_links":{"self":[{"href":"https:\/\/www.ccwifi.cc\/blogs\/wp-json\/wp\/v2\/posts\/2643","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ccwifi.cc\/blogs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ccwifi.cc\/blogs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ccwifi.cc\/blogs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ccwifi.cc\/blogs\/wp-json\/wp\/v2\/comments?post=2643"}],"version-history":[{"count":0,"href":"https:\/\/www.ccwifi.cc\/blogs\/wp-json\/wp\/v2\/posts\/2643\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.ccwifi.cc\/blogs\/wp-json\/wp\/v2\/media?parent=2643"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ccwifi.cc\/blogs\/wp-json\/wp\/v2\/categories?post=2643"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ccwifi.cc\/blogs\/wp-json\/wp\/v2\/tags?post=2643"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/www.ccwifi.cc\/blogs\/wp-json\/wp\/v2\/topic?post=2643"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}