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Article #390快速建立一个入侵检测系统
From: NewBlue
Date: Thu, 16 Oct 2003 08:48
Date: Thu, 16 Oct 2003 08:48
187 lines
9394 bytes
9394 bytes
[ԭ��]���ٽ���һ�����ּ��ϵͳ ��ӭת�أ��뱣��������Ϣ ����@֣�ݴ�ѧ���簲ȫ http://secu.zzu.edu.cn ���ּ��ϵͳҲ��IDS=instrusion detection system,�����������Ա������ �������ܹ����ij̶Ⱥ�Ƶ���ȣ�Ϊ�������һ���Ĺ����ṩ��������ϡ� �������linux+snort,��Ϊ���Ƕ�����ѵ�,���Ҳ���Դ���װ������� libpcap http://www.tcpdump.org snort-1.9 http://www.snort.org �����������rootȨ�� su passwd:********** ����snort��Ҫlibpcap,�����Ȱ�װ�� cd /usr/src tar zxvf libpcap-0.6.2.tar.gz tar zxvf snort-1.9.0.tar.gz [root@SEC src]# cd libpcap-0.6.2 [root@SEC libpcap-0.6.2]# ./configure --prefix=/usr/local/libpcap-0.6.2 [root@SEC libpcap-0.6.2]#make [root@SEC libpcap-0.6.2]#make install ���Ű�װsnort�������Ҫ����־д��mysql��ݿ�Ļ������úܼ� [root@SEC libpcap-0.6.2]#cd ../snort-1.9.0 [root@SEC snort-1.9.0]#./configure --prefix=/usr/local/snort19 [root@SEC snort-1.9.0]#make [root@SEC snort-1.9.0]#make install OK,��װ��ϣ������������װ����г����κδ�����鿴README�ļ� ���ţ��ѵ�ǰĿ¼�µ�etcĿ¼��rulesĿ¼cp��snort�İ�װĿ¼ [root@SEC snort-1.9.0]#cp etc /usr/local/snort19 -r [root@SEC snort-1.9.0]#cp rules /usr/local/snort19 -r ���ţ���etc�µ�classification.config���Ƶ�/root/Ŀ¼�� �ٰ�etc�����snort.conf���Ƶ�rootĿ¼�²�����Ϊ.snortrc [root@SEC snort-1.9.0]#cp etc/classification.config /root/ [root@SEC snort-1.9.0]#cp etc/snort.conf /root/.snortrc ���ڱ༭snort�������ļ�.snortrc vi /root/.snortrc ����102���ҵ�var RULE_PATH ../rules ����ij�var RULE_PATH /usr/local/snort19/rules Ȼ����590�п��� include $RULE_PATH/bad-traffic.rules ��Щ��SNORT�Ĺ������ϵͳ���ͺ����绷��ѡ��������Ҫ�Ĺ���OK���༭ ��ϣ� ����Ϊ�˷��㣬���ǰ�snort�Ŀ�ִ�г�����/usr/sbinĿ¼ [root@SEC snort-1.9.0]#cp /usr/local/snort19/bin/snort /usr/sbin/snort ���Ϊsnort����־����һ��Ŀ¼ [root@SEC snort-1.9.0]#mkdir /var/log/snort ���ϲ���һ�� [root@SEC snort-1.9.0]#snort Initializing Output Plugins! Log directory = /var/log/snort Initializing Network Interface eth0 using config file /root/.snortrc Initializing Preprocessors! Initializing Plug-ins! Parsing Rules file /root/.snortrc �ȵȵ����������㿴����������ģ���ô��ϲ�㣬��ɹ��ˣ� ����������һ��������snort�IJ��� [root@SEC snort-1.9.0]# snort --help Initializing Output Plugins! snort: invalid option -- - -*> Snort! <*- Version 1.9.0 (Build 209) By Martin Roesch (roesch@sourcefire.com, www.snort.org) USAGE: snort [-options] Options: -A Set alert mode: fast, full, console, or none (alert file alerts only) "unsock" enables UNIX socket logging (experimental). -a Display ARP packets -b Log packets in tcpdump format (much faster!) -c Use Rules File -C Print out payloads with character data only (no hex) -d Dump the Application Layer -D Run Snort in background (daemon) mode -e Display the second layer header info -f Turn off fflush() calls after binary log writes -F Read BPF filters from file -g Run snort gid as group (or gid) after initialization -G Add reference ids back into alert msgs (modes: basic, url) -h Home network = -i Listen on interface -I Add Interface name to alert output -l Log to directory -m Set umask = -n Exit after receiving packets -N Turn off logging (alerts still work) -o Change the rule testing order to Pass|Alert|Log -O Obfuscate the logged IP addresses -p Disable promiscuous mode sniffing -P set explicit snaplen of packet (default: 1514) -q Quiet. Don't show banner and status report -r Read and process tcpdump file -R Include 'id' in snort_intf.pid file name -s Log alert messages to syslog -S Set rules file variable n equal to value v -t Chroots process to after initialization -T Test and report on the current Snort configuration -u Run snort uid as user (or uid) after initialization -U Use UTC for timestamps -v Be verbose -V Show version number -w Dump 802.11 management and control frames -X Dump the raw packet data starting at the link layer -y Include year in timestamp in the alert and log files -z Set assurance mode, match on established sesions (for TCP) -? Show this information are standard BPF options, as seen in TCPDump ������Ҫ��Ҫ�˽⼸����Ҫ�IJ��� -A ���ñ���ģʽ���ǿ��٣���ȫ�������ǿ���̨������Dz����� -a ����ARP�� -b ʹ��tcpdump�ĸ�ʽ��д����־ -c ָ�������ļ�·�� -d ����Ӧ�ò���� -D ��̨����snort -e ��ʾ�ڶ���ͷ��Ϣ -h ���ü������� -m �������� -z ֻƥ���Ѿ���ȫ�������ӵĻỰ ��һ����ʹ�� snort -A fast -Db -e -z������snort�� ������һЩ�����õIJ�����ҿ����������ļ�����snort����־д��mysql��� �⣬�������־�Ĵ���Ϳ��Ժܷ����� �����Ҫ֪����Ӷ����Ϣ������ȥwww.snort.org��doc�����߿�man page �����Ƚ�ȡһ����־Ƭ����˵��һЩ���� 11/13-05:29:27.429801 UDP src: 24.24.146.64 dst: 202.196.64.30 sport: 1028 dport: 137 tgts: 6 ports: 6 event_id: 0 11/13-05:29:27.759801 UDP src: 24.24.146.64 dst: 202.196.64.32 sport: 1028 dport: 137 tgts: 7 ports: 7 event_id: 471 11/13-05:29:34.279801 UDP src: 24.24.146.64 dst: 202.196.64.72 sport: 1028 dport: 137 tgts: 8 ports: 8 event_id: 471 11/13-05:29:34.449801 UDP src: 24.24.146.64 dst: 202.196.64.73 sport: 1028 dport: 137 tgts: 9 ports: 9 event_id: 471 11/13-05:29:37.549801 UDP src: 24.24.146.64 dst: 202.196.64.92 sport: 1028 dport: 137 tgts: 10 ports: 10 event_id: 471 11/13-05:29:41.989801 UDP src: 24.24.146.64 dst: 202.196.64.119 sport: 1028 dport: 137 tgts: 11 ports: 11 event_id: 471 11/13-05:29:42.139801 UDP src: 24.24.146.64 dst: 202.196.64.120 sport: 1028 dport: 137 tgts: 12 ports: 12 event_id: 471 �����־������ ��������5�����ң��и�IP��24.24.146.64�����ѣ���ɨ��202.196.64��εĹ��� ��������ʹ��һЩ�ͼ��IJ���ϵͳ�������������εIJ���ϵͳ���ͣ���Ϊ ����ϵͳָ�Ƽ��ϵͳ�Dz���ɨ��137�˿ڵģ� ��ϸ�ķ���һ����־�� 11/13-05:29:27.429801 UDP src: 24.24.146.64 dst: 202.196.64.30 sport: 1028 dport: 137 tgts: 6 ports: 6 event_id: 0 UDP��ʹ�õ�Э�� SRC��ԴIP DST��Ŀ��IP SPORT��Դ�˿� DPORT��Ŀ��˿� �������������ٽ�Ϲ����ֶε������������Ϳ��Է��ֶԷ�����ʲô�� �����Ƽ��Ķ���� http://secu.zzu.edu.cn/modules.php?name=Sections&op=viewarticle&artid=25 -- NewBlue �Դ����뿪���Ժ���һֱ�ȴ��������
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X-Google-Language: Chinese,GB X-Google-Thread: 1009e6,e253b022290a1331,start X-Google-Attributes: gid1009e6,public X-Google-Thread: 1098a9,e253b022290a1331,start X-Google-Attributes: gid1098a9,public X-Google-Thread: fefd5,e253b022290a1331,start X-Google-Attributes: gidfefd5,public X-Google-Thread: 10b277,e253b022290a1331,start X-Google-Attributes: gid10b277,public X-Google-ArrivalTime: 2003-10-16 03:08:56 PST Path: arc1-ca.pugleaf.net!archiver1.google.com!news1.google.com!sn-xit-02!sn-xit-01!sn-xit-08!supernews.com!38.144.126.76.MISMATCH!feed2.newsreader.com!newsreader.com!newsfeed.media.kyoto-u.ac.jp!newsgate.cuhk.edu.hk!news.cn99.com!news.yaako.com!not-for-mail From: NewBlue <NewBlue@yaako.com> Newsgroups: cn.comp.os.linux,cn.comp.hacker,cn.comp.security,cn.comp Subject: 快速建立一个入侵检测系统 Date: Thu, 16 Oct 2003 16:48:40 +0800 Organization: 功夫茶 Lines: 187 Message-ID: <ullrlmutz.fsf@yaako.com> NNTP-Posting-Host: 61.146.252.4 Mime-Version: 1.0 Content-Type: text/plain; charset=gb2312 Content-Transfer-Encoding: 8bit X-Trace: news.yaako.com 1066298337 26557 61.146.252.4 (16 Oct 2003 09:58:57 GMT) X-Complaints-To: usenet@news.yaako.com NNTP-Posting-Date: Thu, 16 Oct 2003 09:58:57 +0000 (UTC) User-Agent: Emacs+gnus Cancel-Lock: sha1:RxyuF486L3RMl0HnAxh3BIT1L00=