*Hi *
*I find many of this entry im my dovecot.log in my mailserver (iredmail):* Nov 13 22:42:42 imap-login: Info: Disconnected (auth failed, 1 attempts in 5 secs): user=<[email protected]>, method=PLAIN, rip=114.99.51.25, lip=10.12.14.11, TLS, session=</10zspJ6euJyYzMZ> *I see this in the Splunk interface installed on my ossec server:* ** Alert 1542145364.10111054: mail - syslog,errors, 2018 Nov 13 22:42:44 (mailserver.cacirro.it) 10.12.14.11->/var/log/messages Rule: 1002 (level 2) -> 'Unknown problem somewhere in the system.' Nov 13 22:42:43 mailserver dovecot Nov 13 22:42:42 imap-login: Info: Disconnected (auth failed, 1 attempts in 5 secs): user=<[email protected]>, method=PLAIN, rip=114.99.51.25, lip=10.12.14.11, TLS, session=</10zspJ6euJyYzMZ> *If I test this on my ossec server I get this result:* [root@serverossec bin]# ./ossec-logtest 2018/11/13 22:56:24 ossec-testrule: INFO: Reading local decoder file. 2018/11/13 22:56:24 ossec-testrule: INFO: Started (pid: 2055). ossec-testrule: Type one log per line. Nov 13 22:42:42 imap-login: Info: Disconnected (auth failed, 1 attempts in 5 secs): user=<[email protected]>, method=PLAIN, rip=114.99.51.25, lip=10.12.14.11, TLS, session=</10zspJ6euJyYzMZ> **Phase 1: Completed pre-decoding. full event: 'Nov 13 22:42:42 imap-login: Info: Disconnected (auth failed, 1 attempts in 5 secs): user=<[email protected]>, method=PLAIN, rip=114.99.51.25, lip=10.12.14.11, TLS, session=</10zspJ6euJyYzMZ>' hostname: 'serverossec' program_name: 'imap-login' log: 'Info: Disconnected (auth failed, 1 attempts in 5 secs): user=<[email protected]>, method=PLAIN, rip=114.99.51.25, lip=10.12.14.11, TLS, session=</10zspJ6euJyYzMZ>' **Phase 2: Completed decoding. No decoder matched. **Phase 3: Completed filtering (rules). Rule id: '1002' Level: '2' Description: 'Unknown problem somewhere in the system.' **Alert to be generated. I want trigger a 'active response' for this IP... Thanks for your time Dan.. gb Il giorno lunedì 12 novembre 2018 19:37:05 UTC+1, Giorgio Biondi ha scritto: > > Hi at all, > > I have new issue with dovecot.. I have another mail server (Iredmail) with > ossec agent install on it.. > I have many record from ossec server like this: (cacirro.it It's a > fictional domain ... I apologize for the real cacirri in the world) > > ** Alert 1542045111.8818974: mail - syslog,errors, 2018 Nov 12 18:51:51 ( > mailserver.tech2.it) 10.12.14.11->/var/log/messages Rule: 1002 (level 2) -> > 'Unknown problem somewhere in the system.' Nov 12 18:51:51 mailserver > dovecot Nov 12 18:51:49 imap-login: Info: Disconnected (auth failed, 1 > attempts in 6 secs): user=<[email protected]>, method=PLAIN, rip=154.64.218. > 77, lip=10.12.14.11, TLS, session=<mYSbWnt6E9aaQNpN> > > > I have try to put log in ossec-logtest.. here the result.. > > [root@serverossec ~]# /var/ossec/bin/ossec-logtest > 2018/11/12 19:26:14 ossec-testrule: INFO: Reading local decoder file. > 2018/11/12 19:26:15 ossec-testrule: INFO: Started (pid: 29461). > ossec-testrule: Type one log per line. > > Nov 12 18:51:51 mailserver dovecot Nov 12 18:51:49 imap-login: Info: > Disconnected (auth failed, 1 attempts in 6 secs): user=<[email protected]>, > method=PLAIN, rip=154.64.218.77, lip=10.12.14.11, TLS, > session=<mYSbWnt6E9aaQNpN> > > > **Phase 1: Completed pre-decoding. > full event: 'Nov 12 18:51:51 mailserver dovecot Nov 12 18:51:49 > imap-login: Info: Disconnected (auth failed, 1 attempts in 6 secs): user=< > [email protected]>, method=PLAIN, rip=154.64.218.77, lip=10.12.14.11, TLS, > session=<mYSbWnt6E9aaQNpN>' > hostname: 'mailserver' > program_name: '(null)' > log: 'dovecot Nov 12 18:51:49 imap-login: Info: Disconnected (auth > failed, 1 attempts in 6 secs): user=<[email protected]>, method=PLAIN, > rip=154.64.218.77, lip=10.12.14.11, TLS, session=<mYSbWnt6E9aaQNpN>' > > **Phase 2: Completed decoding. > No decoder matched. > > **Phase 3: Completed filtering (rules). > Rule id: '1002' > Level: '2' > Description: 'Unknown problem somewhere in the system.' > **Alert to be generated. > > > I would like it to trigger an 'auth failed' rule so I can trigger active > response. > > All the best. > > > > -- --- 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]. For more options, visit https://groups.google.com/d/optout.
