Good timing. We are rolling out some TACACS+ in the next month or so and will be integrating to our OSSEC, I will contribute anything worthwhile that comes out of it.
On Tuesday, February 12, 2013 8:18:22 PM UTC, dan (ddpbsd) wrote: > > On Tue, Feb 12, 2013 at 1:53 PM, Dustin Lenz > <[email protected]<javascript:>> > wrote: > > I know very old post here but I wanted to resurrect it and see if > support > > for TACACS+ (tac_plus) logs has been added to OSSEC. > > > > Thanks, > > > > Dustin > > > > Let's see what ossec-logtest tells us: > > 2013/02/12 15:00:17 ossec-testrule: INFO: Reading local decoder file. > 2013/02/12 15:00:17 ossec-testrule: INFO: Started (pid: 27252). > ossec-testrule: Type one log per line. > > > > **Phase 1: Completed pre-decoding. > full event: 'Wed Feb 6 11:23:44 2008 192.101.200 > cisco-user1 tty2 192.168.101.2 stop task_id=322 > timezone=UTC service=shell start_time=1202268224 priv-lvl=15 > cmd=configure terminal <cr>' > hostname: 'arrakis' > program_name: '(null)' > log: 'Wed Feb 6 11:23:44 2008 192.101.200 cisco-user1 > tty2 192.168.101.2 stop task_id=322 timezone=UTC > service=shell start_time=1202268224 priv-lvl=15 cmd=configure > terminal <cr>' > > **Phase 2: Completed decoding. > No decoder matched. > > So it doesn't look like it. > > I don't know what you would like to see decoded, but here is a quick > and dirty decoder (replace "TAB" with actual tabs): > > > <decoder name="tacacs"> > <prematch>^\S+ \S+\s+\d+ \d\d:\d\d:\d\d > \d\d\d\dTAB\S+TAB\S+TABtty\d+</prematch> > <regex>^\S+ \S+\s+\d+ \d\d:\d\d:\d\d \d\d\d\d \S+TAB\S+TABtty\d+) > (\S+)TAB(\S+)TAB</regex> > <order>extra_data, srcip, action</order> > </decoder> > > This produces: > > > > **Phase 1: Completed pre-decoding. > full event: 'Wed Feb 6 11:23:44 2008 192.101.200 > cisco-user1 tty2 192.168.101.2 stop task_id=322 > timezone=UTC service=shell start_time=1202268224 priv-lvl=15 > cmd=configure terminal <cr>' > hostname: 'arrakis' > program_name: '(null)' > log: 'Wed Feb 6 11:23:44 2008 192.101.200 cisco-user1 > tty2 192.168.101.2 stop task_id=322 timezone=UTC > service=shell start_time=1202268224 priv-lvl=15 cmd=configure > terminal <cr>' > > **Phase 2: Completed decoding. > decoder: 'tacacs' > extra_data: 'tty2' > srcip: '192.168.101.2' > action: 'stop' > > I just used 1 log sample, and had to guess where the tabs were, so > this might not work in production. Feel free to send me an actual log > file (you can send to me personally if you don't want them public, > please obfuscate IPs/usernames) so I have something better to work > with, or send your final decoders/rules. > > > > > On Wednesday, February 6, 2008 8:46:20 PM UTC-8, Oliver P. Jagape wrote: > >> > >> Thanks daniel for the reply, > >> > >> yes these are tab delimited, below are more logs from my server, ip had > >> been changed though. > >> > >> > >> Wed Feb 6 11:23:44 2008 192.101.200 cisco-user1 tty2 > >> 192.168.101.2 stop task_id=322 timezone=UTC > service=shell > >> start_time=1202268224 priv-lvl=15 cmd=configure terminal <cr> > >> Wed Feb 6 11:24:05 2008 192.101.200 cisco-user1 tty2 > >> 192.168.101.2 stop task_id=323 timezone=UTC > service=shell > >> start_time=1202268245 priv-lvl=15 cmd=show running-config <cr> > >> Wed Feb 6 11:49:43 2008 192.168.1.254 cisco-user1 tty66 > >> 192.168.101.2 stop task_id=301 timezone=GMT > service=shell > >> start_time=1202269783 priv-lvl=15 cmd=show running-config <cr> > >> Wed Feb 6 11:50:55 2008 192.168.1.254 cisco-user1 tty66 > >> 192.168.101.2 stop task_id=302 timezone=GMT > service=shell > >> start_time=1202269855 priv-lvl=15 cmd=show running-config <cr> > >> Wed Feb 6 11:57:22 2008 192.168.1.254 cisco-user1 tty66 > >> 192.168.101.2 stop task_id=304 timezone=GMT > service=shell > >> start_time=1202270241 priv-lvl=15 cmd=show running-config <cr> > >> Wed Feb 6 11:58:10 2008 192.168.1.254 cisco-user1 tty66 > >> 192.168.101.2 stop task_id=305 timezone=GMT > service=shell > >> start_time=1202270289 priv-lvl=15 cmd=show running-config <cr> > >> Wed Feb 6 13:21:07 2008 192.168.1.254 cisco-admin tty66 > >> 192.168.101.3 stop task_id=307 timezone=GMT > service=shell > >> start_time=1202275267 priv-lvl=15 cmd=show running-config <cr> > >> Wed Feb 6 13:21:14 2008 192.168.1.254 cisco-admin tty66 > >> 192.168.101.3 stop task_id=308 timezone=GMT > service=shell > >> start_time=1202275274 priv-lvl=15 cmd=configure terminal <cr> > >> Wed Feb 6 13:21:29 2008 192.168.1.254 cisco-admin tty66 > >> 192.168.101.3 stop task_id=309 timezone=GMT > service=shell > >> start_time=1202275289 priv-lvl=15 cmd=no service timestamps debug > <cr> > >> Wed Feb 6 13:21:52 2008 192.168.1.254 cisco-admin tty66 > >> 192.168.101.3 stop task_id=310 timezone=GMT > service=shell > >> start_time=1202275312 priv-lvl=15 cmd=no service timestamps log > <cr> > >> Wed Feb 6 13:22:53 2008 192.168.1.254 cisco-admin tty66 > >> 192.168.101.3 stop task_id=311 timezone=GMT > service=shell > >> start_time=1202275373 priv-lvl=15 cmd=logging trap debugging <cr> > >> Wed Feb 6 13:22:57 2008 192.168.1.254 cisco-admin tty66 > >> 192.168.101.3 stop task_id=312 timezone=GMT > service=shell > >> start_time=1202275377 priv-lvl=15 cmd=show running-config <cr> > >> Wed Feb 6 13:23:32 2008 192.168.1.254 cisco-admin tty66 > >> 192.168.101.3 stop task_id=313 timezone=GMT > service=shell > >> start_time=1202275412 priv-lvl=15 cmd=show running-config <cr> > >> Wed Feb 6 13:23:42 2008 192.168.1.254 cisco-admin tty66 > >> 192.168.101.3 stop task_id=314 timezone=GMT > service=shell > >> start_time=1202275422 priv-lvl=15 cmd=copy running-config > startup-config > >> <cr> > >> Wed Feb 6 13:24:03 2008 192.168.1.254 cisco-admin tty66 > >> 192.168.101.3 stop task_id=315 timezone=GMT > service=shell > >> start_time=1202275443 priv-lvl=15 cmd=copy running-config tftp <cr> > >> Wed Feb 6 13:24:25 2008 192.168.1.254 cisco-admin tty66 > >> 192.168.101.3 stop task_id=316 timezone=GMT > service=shell > >> start_time=1202275465 priv-lvl=15 cmd=show running-config <cr> > >> Wed Feb 6 13:24:35 2008 192.168.1.254 cisco-admin tty66 > >> 192.168.101.3 stop task_id=317 timezone=GMT > service=shell > >> start_time=1202275475 priv-lvl=1 cmd=show logging <cr> > >> Wed Feb 6 13:26:25 2008 192.168.1.254 cisco-admin tty66 > >> 192.168.101.3 stop task_id=319 timezone=GMT > service=shell > >> start_time=1202275585 priv-lvl=15 cmd=show running-config <cr> > >> Wed Feb 6 13:27:15 2008 192.168.1.254 cisco-admin tty66 > >> 192.168.101.3 stop task_id=320 timezone=GMT > service=shell > >> start_time=1202275635 priv-lvl=15 cmd=configure terminal <cr> > >> Wed Feb 6 13:27:22 2008 192.168.1.254 cisco-admin tty66 > >> 192.168.101.3 stop task_id=321 timezone=GMT > service=shell > >> start_time=1202275642 priv-lvl=15 cmd=access-list 10 permit > >> 192.168.101.3 log <cr> > >> Wed Feb 6 13:27:26 2008 192.168.1.254 cisco-admin tty66 > >> 192.168.101.3 stop task_id=322 timezone=GMT > service=shell > >> start_time=1202275646 priv-lvl=15 cmd=show running-config <cr> > >> Wed Feb 6 13:28:01 2008 192.168.1.254 cisco-admin tty66 > >> 192.168.101.3 stop task_id=323 timezone=GMT > service=shell > >> start_time=1202275681 priv-lvl=1 cmd=show ip access-lists 10 <cr> > >> Wed Feb 6 16:16:17 2008 192.201.7.1 cisco-manager > tty2 > >> 192.201.9.5 stop task_id=140 timezone=UTC > >> service=shellpriv-lvl=15 cmd=show running-config <cr> > >> Wed Feb 6 16:18:55 2008 192.168.1.254 cisco-manager > >> tty66 192.201.9.5 stop task_id=325 timezone=GMT > >> service=shellstart_time=1202285935 priv-lvl=15 cmd=show > >> running-config <cr> > >> Wed Feb 6 18:17:34 2008 192.101.200 cisco-admin tty2 > >> 192.168.101.3 stop task_id=325 timezone=UTC > service=shell > >> start_time=1202293054 priv-lvl=15 cmd=show running-config <cr> > >> Wed Feb 6 19:48:57 2008 192.168.1.254 cisco-admin tty66 > >> 192.168.101.3 stop task_id=327 timezone=GMT > service=shell > >> start_time=1202298537 priv-lvl=15 cmd=show running-config <cr> > >> Wed Feb 6 19:49:06 2008 192.168.1.254 cisco-admin tty66 > >> 192.168.101.3 stop task_id=328 timezone=GMT > service=shell > >> start_time=1202298546 priv-lvl=15 cmd=configure terminal <cr> > >> Wed Feb 6 19:49:37 2008 192.168.1.254 cisco-admin tty66 > >> 192.168.101.3 stop task_id=329 timezone=GMT > service=shell > >> start_time=1202298577 priv-lvl=15 cmd=ip route 204.152.191.7 > >> 255.255.255.255 192.168.1.2 <cr> > >> Thu Feb 7 11:12:26 2008 192.101.203 cisco-user1 tty1 > >> 192.168.101.2 stop task_id=5 start_time=1202353946 > >> timezone=UTC service=shell priv-lvl=1 cmd=connect xxxxxxxx <cr> > >> Thu Feb 7 11:12:34 2008 192.101.203 cisco-user1 tty1 > >> 192.168.101.2 stop task_id=6 start_time=1202353953 > >> timezone=UTC service=shell priv-lvl=15 cmd=show running-config > <cr> > >> Thu Feb 7 11:13:57 2008 192.101.203 cisco-user1 tty1 > >> 192.168.101.2 stop task_id=7 start_time=1202354037 > >> timezone=UTC service=shell priv-lvl=1 cmd=show <cr> > >> Thu Feb 7 11:14:54 2008 192.101.203 cisco-user1 tty1 > >> 192.168.101.2 stop task_id=8 start_time=1202354094 > >> timezone=UTC service=shell priv-lvl=1 cmd=show ip interface > brief > >> <cr> > >> Thu Feb 7 11:17:29 2008 192.101.203 cisco-user1 tty1 > >> 192.168.101.2 stop task_id=9 start_time=1202354249 > >> timezone=UTC service=shell priv-lvl=1 cmd=show ip interface > brief > >> <cr> > >> > >> > >> Thank you very much. > >> > >> > >> OLIVER JAGAPE > >> > >> > >> > >> Daniel Cid wrote: > >> > >> Hi Oliver, > >> > >> We can certainly add support for this log format. Are these events tab > >> delimited? Do you have more > >> samples to share (the more the better). Anyone else with logs for it, > >> please share :) > >> > >> Thanks, > >> > >> -- > >> Daniel B. Cid > >> dcid ( at ) ossec.net > >> > >> On Feb 5, 2008 7:50 AM, Oliver P. Jagape <[email protected]> > >> wrote: > >> > >> > >> hello again, > >> > >> is there a way that the logs generated by tac_plus accounting logs > could > >> be > >> parse and monitored by ossec. Accounting logs generates activities of > >> users > >> doing changes to cisco routers. Advice from ossec team is really > >> appreciated. > >> > >> below are the sample logs.. it was set at /var/log/tac_acc.log > >> > >> Tue Feb 5 19:04:58 2008 192.168.1.254 cisco-admin tty1 > >> 192.168.1.7 stop task_id=27 timezone=UTC service=shell > >> priv-lvl=15 cmd=copy running-config startup-config <cr> > >> Tue Feb 5 19:05:05 2008 192.168.1.254 cisco-admin tty1 > >> 192.168.1.7 stop task_id=28 timezone=UTC service=shell > >> priv-lvl=1 cmd=show logging <cr> > >> Tue Feb 5 19:17:02 2008 192.168.1.254 cisco-admin tty1 > >> 192.168.1.7 stop task_id=29 timezone=UTC service=shell > >> priv-lvl=15 cmd=show running-config <cr> > >> Tue Feb 5 19:17:23 2008 192.168.1.254 cisco-admin tty1 > >> 192.168.1.7 stop task_id=30 timezone=UTC service=shell > >> priv-lvl=15 cmd=configure terminal <cr> > >> Tue Feb 5 19:17:32 2008 192.168.1.254 cisco-admin tty1 > >> 192.168.1.7 stop task_id=31 timezone=UTC service=shell > >> priv-lvl=15 cmd=no tacacs-server host 192.168.1.111 <cr> > >> Tue Feb 5 19:17:36 2008 192.168.1.254 cisco-admin tty1 > >> 192.168.1.7 stop task_id=32 timezone=UTC service=shell > >> priv-lvl=15 cmd=tacacs-server host 192.168.1.111 <cr> > >> Tue Feb 5 19:17:55 2008 192.168.1.254 cisco-admin tty1 > >> 192.168.1.7 stop task_id=33 timezone=UTC service=shell > >> priv-lvl=15 cmd=show running-config <cr> > >> Tue Feb 5 19:18:06 2008 192.168.1.254 cisco-admin tty1 > >> 192.168.1.7 stop task_id=34 timezone=UTC service=shell > >> priv-lvl=15 cmd=copy running-config startup-config <cr> > >> Tue Feb 5 19:38:48 2008 192.168.1.254 cisco-admin tty1 > >> 192.168.1.7 stop task_id=35 timezone=UTC service=shell > >> priv-lvl=15 cmd=show running-config <cr> > >> > >> > >> Thanks. > >> > >> > >> > >> -- > >> > >> > >> OLIVER JAGAPE > >> Senior Network Specialist, MIS Department > >> ECE, LPIC-1 > >> Phone : +63 82 235 5000 ext 8043 > >> Email : [email protected] > >> > >> Link2Support, Inc. > >> Damosa I.T. Park, Building 1, J.P. Laurel Ave. > >> Lanang, Davao City 8000 > >> Philippines > >> http://www.link2support.com > >> > >> This e-mail may contain confidential and privileged material > >> for the sole use of the intended recipient. Any review, use, > >> distribution or disclosure by others is strictly prohibited. If you > are > >> not the intended recipient (or authorized to receive for the > recipient), > >> please contact the sender by reply e-mail and delete all copies of > this > >> message. > >> > >> > >> > > > > -- > > > > --- > > You received this message because you are subscribed to the Google > Groups > > "ossec-list" group. > > To unsubscribe from this group and stop receiving emails from it, send > an > > email to [email protected] <javascript:>. > > For more options, visit https://groups.google.com/groups/opt_out. > > > > > -- --- You received this message because you are subscribed to the Google Groups "ossec-list" group. 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