├── LICENSE ├── README.md ├── auth ├── auth.conf ├── mail ├── mail.conf ├── pureftp └── pureftp.conf /LICENSE: -------------------------------------------------------------------------------- 1 | 2 | Apache License 3 | Version 2.0, January 2004 4 | http://www.apache.org/licenses/ 5 | 6 | TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 7 | 8 | 1. Definitions. 9 | 10 | "License" shall mean the terms and conditions for use, reproduction, 11 | and distribution as defined by Sections 1 through 9 of this document. 12 | 13 | "Licensor" shall mean the copyright owner or entity authorized by 14 | the copyright owner that is granting the License. 15 | 16 | "Legal Entity" shall mean the union of the acting entity and all 17 | other entities that control, are controlled by, or are under common 18 | control with that entity. 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We also recommend that a 186 | file or class name and description of purpose be included on the 187 | same "printed page" as the copyright notice for easier 188 | identification within third-party archives. 189 | 190 | Copyright [yyyy] [name of copyright owner] 191 | 192 | Licensed under the Apache License, Version 2.0 (the "License"); 193 | you may not use this file except in compliance with the License. 194 | You may obtain a copy of the License at 195 | 196 | http://www.apache.org/licenses/LICENSE-2.0 197 | 198 | Unless required by applicable law or agreed to in writing, software 199 | distributed under the License is distributed on an "AS IS" BASIS, 200 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 201 | See the License for the specific language governing permissions and 202 | limitations under the License. 203 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # LogStash Grok Patterns 2 | 3 | At [PCextreme](https://www.pcextreme.nl/aurora). we use [LogStash](http//www.logstash.net/). in combination with [ElasticSearch](https://www.elastic.co/). to store most of our logs. 4 | 5 | One thing we found is that although Grok has a lot of great build-in patterns, it sometimes is very hard to 6 | pare specific logs. 7 | 8 | Since we are Open Source minded we thought it was a good idea to publish the LogStash Grok patterns we are using. 9 | 10 | Most of them go with a bit of LogStash configuration as well to you can see how we use them. 11 | 12 | ## License 13 | 14 | The Apache License. Please see [License File](LICENSE) for more information. 15 | -------------------------------------------------------------------------------- /auth: -------------------------------------------------------------------------------- 1 | SSH_PUB_LOGIN %{SYSLOGBASE} Accepted publickey for %{USERNAME:username} from %{IPORHOST:remote} port %{BASE10NUM:port:int} %{WORD:protocol} 2 | SSH_PASSWORD_LOGIN %{SYSLOGBASE} Accepted password for %{USERNAME:username} from %{IPORHOST:remote} port %{BASE10NUM:port:int} %{WORD:protocol} 3 | SSH_FAILED_LOGIN %{SYSLOGBASE} Failed password for (invalid user |)%{USERNAME:username} from %{IPORHOST:remote} port %{BASE10NUM:port:int} %{WORD:protocol} 4 | SSH_DISCONNECT %{SYSLOGBASE} Received disconnect from %{IPORHOST:remote}: %{BASE10NUM:code}: %{GREEDYDATA:reason} 5 | SSH_SNOOPY %{SYSLOGTIMESTAMP:timestamp} (?:%{SYSLOGFACILITY} )?%{SYSLOGHOST:logsource} snoopy(?:\[%{POSINT:pid}\])?: \[uid:%{INT:uid:int} sid:%{INT:sid:int} tty:%{DATA:tty} cwd:%{DATA:cwd} filename:%{DATA:filename}\]: %{GREEDYDATA:command} 6 | AUTH_LOG_LINE %{SYSLOGBASE} %{GREEDYDATA:logline} 7 | -------------------------------------------------------------------------------- /auth.conf: -------------------------------------------------------------------------------- 1 | filter { 2 | if [type] == "shell" { 3 | grok { 4 | patterns_dir => "/etc/logstash/patterns" 5 | match => ["message", "%{SSH_PUB_LOGIN}"] 6 | add_tag => ["ssh_successful_login", "ssh_pub_login", "ssh_parse"] 7 | } 8 | grok { 9 | patterns_dir => "/etc/logstash/patterns" 10 | match => ["message", "%{SSH_PASSWORD_LOGIN}"] 11 | add_tag => ["ssh_successful_login", "ssh_password_login", "ssh_parse"] 12 | } 13 | grok { 14 | patterns_dir => "/etc/logstash/patterns" 15 | match => ["message", "%{SSH_FAILED_LOGIN}"] 16 | add_tag => ["ssh_failed_login", "ssh_parse"] 17 | } 18 | grok { 19 | patterns_dir => "/etc/logstash/patterns" 20 | match => ["message", "%{SSH_DISCONNECT}"] 21 | add_tag => ["ssh_disconnect", "ssh_parse"] 22 | } 23 | grok { 24 | patterns_dir => "/etc/logstash/patterns" 25 | match => ["message", "%{SSH_SNOOPY}"] 26 | add_tag => ["ssh_snoopy", "ssh_parse"] 27 | } 28 | 29 | if "ssh_parse" not in [tags] { 30 | grok { 31 | patterns_dir => "/etc/logstash/patterns" 32 | match => ["message", "%{AUTH_LOG_LINE}"] 33 | } 34 | } 35 | 36 | mutate { 37 | remove_tag => ["ssh_parse", "_grokparsefailure"] 38 | } 39 | 40 | date { 41 | timezone => "Europe/Amsterdam" 42 | match => ["timestamp", "MMM d HH:mm:ss", "MMM dd HH:mm:ss", "ISO8601"] 43 | } 44 | } 45 | } 46 | -------------------------------------------------------------------------------- /mail: -------------------------------------------------------------------------------- 1 | # Milter 2 | HELO (?:\[%{IP:helo}\]|%{HOST:helo}|%{DATA:helo}) 3 | 4 | MILTERCONNECT %{QUEUEID:qid}: milter-reject: CONNECT from %{CLIENT:client}: %{GREEDYDATA:milter_reason}; proto=%{WORD:proto} 5 | MILTERUNKNOWN %{QUEUEID:qid}: milter-reject: UNKNOWN from %{CLIENT:client}: %{GREEDYDATA:milter_reason}; proto=%{WORD:proto} 6 | MILTEREHLO %{QUEUEID:qid}: milter-reject: EHLO from %{CLIENT:client}: %{GREEDYDATA:milter_reason}; proto=%{WORD:proto} helo=<%{HELO}> 7 | MILTERMAIL %{QUEUEID:qid}: milter-reject: MAIL from %{CLIENT:client}: %{GREEDYDATA:milter_reason}; from=<%{EMAILADDRESS:from}> proto=%{WORD:proto} helo=<%{HELO}> 8 | MILTERHELO %{QUEUEID:qid}: milter-reject: HELO from %{CLIENT:client}: %{GREEDYDATA:milter_reason}; proto=%{WORD:proto} helo=<%{HELO}> 9 | MILTERRCPT %{QUEUEID:qid}: milter-reject: RCPT from %{CLIENT:client}: %{GREEDYDATA:milter_reason}; from=<%{EMAILADDRESS:from}> to=<%{EMAILADDRESS:to}> proto=%{WORD:proto} helo=<%{HELO}> 10 | MILTERENDOFMESSAGE %{QUEUEID:qid}: milter-reject: END-OF-MESSAGE from %{CLIENT:client}: %{GREEDYDATA:milter_reason}; from=<%{EMAILADDRESS:from}> to=<%{EMAILADDRESS:to}> proto=%{WORD:proto} helo=<%{HELO}> 11 | 12 | # Postfix stuff 13 | QUEUEID (?:[A-F0-9]+|NOQUEUE) 14 | EMAILADDRESSPART [a-zA-Z0-9_.+-=:]+ 15 | EMAILADDRESS %{EMAILADDRESSPART:local}@%{EMAILADDRESSPART:domain} 16 | SASLUSERNAME (%{EMAILADDRESSPART:username}@%{EMAILADDRESSPART:domain}|%{GREEDYDATA:username}) 17 | RELAY (?:%{HOSTNAME:relayhost}(?:\[%{IP:relayip}\](?::[0-9]+(.[0-9]+)?)?)?) 18 | CLIENT (?:%{HOSTNAME:clienthost}(?:\[%{IP:clientip}\](?::[0-9]+(.[0-9]+)?)?)?) 19 | POSREAL (%{BASE16FLOAT}|%{BASE16NUM}) 20 | DELAYS %{POSREAL:a}/%{POSREAL:b}/%{POSREAL:c}/%{POSREAL:d} 21 | DELAY %{POSREAL} 22 | DSN %{NONNEGINT}.%{NONNEGINT}.%{NONNEGINT} 23 | STATUS sent|deferred|bounced|expired 24 | PERMERROR 5[0-9]{2} 25 | MESSAGELEVEL reject|warning|error|fatal|panic 26 | SYSLOGNOPROG (?:%{SYSLOGTIMESTAMP:timestamp}|%{TIMESTAMP_ISO8601:timestamp8601}) (?:%{SYSLOGFACILITY} )?%{SYSLOGHOST:logsource} 27 | THROTTLE %{WORD}\(%{WORD}\) 28 | 29 | POSTFIXSMTPMESSAGE %{MESSAGELEVEL}: %{GREEDYDATA:reason} 30 | POSTFIXACTION discard|dunno|filter|hold|ignore|info|prepend|redirect|replace|reject|warn 31 | 32 | # postfix/smtp and postfix/lmtp, postfix/local and postfix/error 33 | POSTFIXSMTP %{SYSLOGNOPROG} postfix/smtp\[%{POSINT:pid}\]: %{POSTFIXSMTPCONNECT}|%{POSTFIXSMTP5XX}|%{POSTFIXSMTPREFUSAL}|%{POSTFIXSMTPLOSTCONNECTION}|%{POSTFIXSMTPTIMEOUT} 34 | POSTFIXSMTPCONNECT connect to %{RELAY}: %{GREEDYDATA:reason} 35 | POSTFIXSMTP5XX %{QUEUEID:qid}: to=<%{EMAILADDRESS:to}>,(?:\sorig_to=<%{EMAILADDRESS:orig_to}>,)? relay=%{RELAY}, (%{WORD}=%{DATA},)+ dsn=%{DSN:dsn}, status=%{STATUS:status} \(host %{HOSTNAME}\[%{IP}\] said: %{PERMERROR:responsecode} %{DATA:smtp_response} \(in reply to %{DATA:command} command\)\) 36 | POSTFIXSMTPREFUSAL %{QUEUEID:qid}: host %{RELAY} refused to talk to me: %{GREEDYDATA:reason} 37 | POSTFIXSMTPLOSTCONNECTION %{QUEUEID:qid}: lost connection with %{RELAY} while %{GREEDYDATA:reason} 38 | POSTFIXSMTPTIMEOUT %{QUEUEID:qid}: conversation with %{RELAY} timed out while %{GREEDYDATA:reason} 39 | 40 | # postfix/smtpd 41 | POSTFIXSMTPD %{SYSLOGNOPROG} postfix/smtpd\[%{POSINT:pid}\]: %{POSTFIXSMTPDCONNECTS}|%{POSTFIXSMTPDMILTER}|%{POSTFIXSMTPDACTIONS}|%{POSTFIXSMTPDTIMEOUTS}|%{POSTFIXSMTPDLOGIN}|%{POSTFIXSMTPDCLIENT}|%{POSTFIXSMTPDNOQUEUE}|%{POSTFIXSMTPDWARNING}|%{POSTFIXSMTPDLOSTCONNECTION} 42 | POSTFIXSMTPDCONNECTS (?:dis)?connect from %{CLIENT} 43 | POSTFIXSMTPDMILTER %{MILTERCONNECT}|%{MILTERUNKNOWN}|%{MILTEREHLO}|%{MILTERMAIL}|%{MILTERHELO}|%{MILTERRCPT} 44 | POSTFIXSMTPDACTIONS %{QUEUEID:qid}: %{POSTFIXACTION:postfix_action}: %{DATA:command} from %{CLIENT}: %{PERMERROR:responsecode} %{DSN:dsn} %{DATA}: %{DATA:reason}; from=<%{EMAILADDRESS:from}> to=<%{EMAILADDRESS:to}> proto=%{DATA:proto} helo=<%{HELO}> 45 | #POSTFIXSMTPDACTIONS %{QUEUEID:qid}: %{POSTFIXACTION:postfix_action}: %{DATA:command} from %{CLIENT}: %{DATA:smtp_response}: %{DATA:reason}; from=<%{EMAILADDRESS:from}> to=<%{EMAILADDRESS:to}> proto=%{DATA:proto} helo=<%{HELO}> 46 | POSTFIXSMTPDTIMEOUTS timeout after %{DATA:command} from %{CLIENT} 47 | POSTFIXSMTPDLOGIN %{QUEUEID:qid}: client=%{CLIENT}, sasl_method=%{DATA:saslmethod}, sasl_username=%{SASLUSERNAME} 48 | POSTFIXSMTPDCLIENT %{QUEUEID:qid}: client=%{CLIENT} 49 | POSTFIXSMTPDNOQUEUE NOQUEUE: %{POSTFIXACTION:postfix_action}: %{DATA:command} from %{CLIENT}: %{GREEDYDATA:reason} 50 | POSTFIXSMTPDWARNING warning: %{IP:clientip}: %{GREEDYDATA:reason} 51 | POSTFIXSMTPDLOSTCONNECTION lost connection after %{DATA:smtp_response} from %{CLIENT} 52 | 53 | # postfix/cleanup 54 | POSTFIXCLEANUP %{SYSLOGNOPROG} postfix/cleanup\[%{POSINT:pid}\]: %{POSTFIXCLEANUPMESSAGE}|%{POSTFIXCLEANUPMILTER} 55 | POSTFIXCLEANUPMESSAGE %{QUEUEID:qid}: (resent-)?message-id=<%{GREEDYDATA:messageid}> 56 | POSTFIXCLEANUPMILTER %{MILTERENDOFMESSAGE} 57 | 58 | # postfix/bounce 59 | POSTFIXBOUNCE %{SYSLOGNOPROG} postfix/bounce\[%{POSINT:pid}\]: %{QUEUEID:qid}: sender non-delivery notification: %{QUEUEID:bouncequeueid} 60 | 61 | # postfix/qmgr and postfix/pickup 62 | POSTFIXQMGR %{SYSLOGNOPROG} postfix/qmgr\[%{POSINT:pid}\]: %{QUEUEID:qid}: (?:removed|from=<(?:%{EMAILADDRESS:from})?>(?:, size=%{POSINT:size}, nrcpt=%{POSINT:nrcpt} \(%{GREEDYDATA:queuestatus}\))?) 63 | 64 | # postfix/anvil 65 | POSTFIXANVIL %{SYSLOGNOPROG} postfix/anvil\[%{POSINT:pid}\]: statistics: %{DATA:anvilstatistic} for (%{DATA:remotehost}) at %{SYSLOGTIMESTAMP:timestamp} 66 | 67 | # postfix/relay: 68 | POSTFIXRELAY %{SYSLOGBASE2} %{QUEUEID:qid}: to=<%{EMAILADDRESS:to}>,(?:\sorig_to=<%{EMAILADDRESS:orig_to}>,)? relay=%{RELAY},(?: conn_use=%{POSREAL:conn_use},)? delay=%{DELAY:delay}, delays=%{DELAYS:delays}, dsn=%{DSN:dsn}, status=%{STATUS:status} %{GREEDYDATA:reason} 69 | 70 | # postfix-policyd 71 | POSTFIXPOLICY %{SYSLOGBASE2} rcpt=%{POSINT:rcpt}, (throttle|throttle_rcpt)=%{THROTTLE:throttle}, host=%{IP:clientip}, from=%{EMAILADDRESS:from}, to=%{EMAILADDRESS:to}%{GREEDYDATA:reason} 72 | 73 | # dovecot 74 | DOVECOT %{SYSLOGBASE2} %{DOVECOTAUTH}|%{DOVECOTLOGIN}|%{DOVECOTPROTO} 75 | DOVECOTPROTOCOL %{WORD}-%{WORD} 76 | DOVECOTAUTH auth-worker\(%{DATA:worker}\): %{DATA:backend}\(%{EMAILADDRESS:user},%{IP:clientip}\): %{GREEDYDATA:reason} 77 | DOVECOTLOGIN %{DOVECOTPROTOCOL:protocol}: %{DOVECOTLOGINLOGIN}|%{DOVECOTLOGINDISCONNECT} 78 | DOVECOTLOGINLOGIN Login: user=<%{EMAILADDRESS:user}>, method=%{DATA:method}, rip=%{IP:clientip}, lip=%{IP:localip}(?:\s, %{GREEDYDATA:reason})? 79 | DOVECOTLOGINDISCONNECT Disconnected \(%{DATA:authattempts}\): rip=%{IP:clientip}, lip=%{IP:localip}(?:\s, %{GREEDYDATA:reason})? 80 | DOVECOTPROTO %{WORD:protocol}\(%{EMAILADDRESS:user}\): %{GREEDYDATA:reason} 81 | -------------------------------------------------------------------------------- /mail.conf: -------------------------------------------------------------------------------- 1 | filter { 2 | if [type] == "mail" { 3 | grok { 4 | patterns_dir => "/home/wido/logstash/patterns" 5 | match => [ "message", "%{POSTFIXSMTPD}" ] 6 | add_tag => ["vhosting_mail", "postfix_smtpd"] 7 | } 8 | 9 | grok { 10 | patterns_dir => "/home/wido/logstash/patterns" 11 | match => [ "message", "%{POSTFIXSMTP}" ] 12 | add_tag => ["vhosting_mail", "postfix_smtp"] 13 | } 14 | 15 | grok { 16 | patterns_dir => "/home/wido/logstash/patterns" 17 | match => [ "message", "%{POSTFIXCLEANUP}" ] 18 | add_tag => ["vhosting_mail", "postfix_cleanup"] 19 | } 20 | 21 | grok { 22 | patterns_dir => "/home/wido/logstash/patterns" 23 | match => [ "message", "%{POSTFIXANVIL}" ] 24 | add_tag => ["vhosting_mail", "postfix_anvil"] 25 | } 26 | 27 | grok { 28 | patterns_dir => "/home/wido/logstash/patterns" 29 | match => [ "message", "%{POSTFIXQMGR}" ] 30 | add_tag => ["vhosting_mail", "postfix_qmgr"] 31 | } 32 | 33 | grok { 34 | patterns_dir => "/home/wido/logstash/patterns" 35 | match => [ "message", "%{POSTFIXBOUNCE}" ] 36 | add_tag => ["vhosting_mail", "postfix_bounce"] 37 | } 38 | 39 | grok { 40 | patterns_dir => "/home/wido/logstash/patterns" 41 | match => [ "message", "%{POSTFIXRELAY}" ] 42 | add_tag => ["vhosting_mail", "postfix_relay"] 43 | } 44 | 45 | grok { 46 | patterns_dir => "/home/wido/logstash/patterns" 47 | match => [ "message", "%{POSTFIXPOLICY}" ] 48 | add_tag => ["vhosting_mail", "postfix_policy"] 49 | } 50 | 51 | grok { 52 | patterns_dir => "/home/wido/logstash/patterns" 53 | match => [ "message", "%{DOVECOT}" ] 54 | add_tag => ["vhosting_mail", "dovecot"] 55 | } 56 | 57 | if "vhosting_mail" not in [tags] { 58 | grok { 59 | match => [ "message", "%{SYSLOGBASE}" ] 60 | add_tag => ["vhosting_mail", "postfix_syslog"] 61 | } 62 | } else { 63 | if [clientip] { 64 | mutate { 65 | add_field => { 66 | "remote" => "%{clientip}" 67 | } 68 | } 69 | } 70 | } 71 | 72 | if "vhosting_mail" in [tags] { 73 | mutate { 74 | remove_tag => ["_grokparsefailure"] 75 | remove_field => ["timestamp"] 76 | } 77 | 78 | date { 79 | timezone => "Europe/Amsterdam" 80 | match => ["timestamp", "MMM d HH:mm:ss", "MMM dd HH:mm:ss", "ISO8601"] 81 | } 82 | } 83 | } 84 | } 85 | -------------------------------------------------------------------------------- /pureftp: -------------------------------------------------------------------------------- 1 | PUREFTPTRANSFER %{DATA:remote} %{USER:ident} %{USER:username} +\[%{HTTPDATE:timestamp}\] "(?:%{WORD:method} %{NOTSPACE:request}(?: HTTP/%{NUMBER:httpversion})?|%{DATA:rawrequest})" %{NUMBER:response:int} (?:%{NUMBER:bytes:int}|-) 2 | PUREFTPSYSLOG %{SYSLOGTIMESTAMP:timestamp} (?:%{SYSLOGFACILITY} )?%{SYSLOGHOST:logsource} pure-ftpd: \(%{DATA:username}@%{IPORHOST:remote}\) \[%{DATA:loglevel}\] %{GREEDYDATA:logline} 3 | PUREFTPAUTHFAIL %{SYSLOGTIMESTAMP:timestamp} (?:%{SYSLOGFACILITY} )?%{SYSLOGHOST:logsource} pure-ftpd: \(\?@%{IPORHOST:remote}\) \[%{DATA:loglevel}\] Authentication failed for user \[%{DATA:username}\] 4 | PUREFTPAUTHSUCCESS %{SYSLOGTIMESTAMP:timestamp} (?:%{SYSLOGFACILITY} )?%{SYSLOGHOST:logsource} pure-ftpd: \(\?@%{IPORHOST:remote}\) \[%{DATA:loglevel}\] %{DATA:username} is now logged in 5 | -------------------------------------------------------------------------------- /pureftp.conf: -------------------------------------------------------------------------------- 1 | filter { 2 | # PureFTP transfer log 3 | # /var/log/pureftp/transfer.log 4 | if [type] == "pureftp" { 5 | grok { 6 | patterns_dir => "/etc/logstash/patterns" 7 | match => ["message", "%{PUREFTPTRANSFER}"] 8 | add_tag => ["pureftp_transfer", "pureftp_parse"] 9 | } 10 | grok { 11 | patterns_dir => "/etc/logstash/patterns" 12 | match => ["message", "%{PUREFTPAUTHFAIL}"] 13 | add_tag => ["pureftp_auth_fail", "pureftp_parse"] 14 | } 15 | grok { 16 | patterns_dir => "/etc/logstash/patterns" 17 | match => ["message", "%{PUREFTPAUTHSUCCESS}"] 18 | add_tag => ["pureftp_auth_success", "pureftp_parse"] 19 | } 20 | if "pureftp_parse" not in [tags] { 21 | grok { 22 | patterns_dir => "/etc/logstash/patterns" 23 | match => ["message", "%{PUREFTPSYSLOG}"] 24 | add_tag => ["pureftp_syslog", "pureftp_parse"] 25 | } 26 | } 27 | 28 | if "pureftp_parse" not in [tags] { 29 | drop { } 30 | } 31 | 32 | mutate { 33 | remove_tag => ["pureftp_parse", "_grokparsefailure"] 34 | } 35 | 36 | # Pure-FTP somehow writes IPv6 address with underscores instead of : ..... 37 | mutate { 38 | gsub => ["remote", "_", ":"] 39 | } 40 | 41 | date { 42 | timezone => "Europe/Amsterdam" 43 | match => ["timestamp", "dd/MMM/yyyy:HH:mm:ss Z", "MMM d HH:mm:ss", "MMM dd HH:mm:ss", "ISO8601"] 44 | } 45 | } 46 | } 47 | --------------------------------------------------------------------------------