오락기/ELK

logstash grok

문방구앞오락기 2018. 5. 11. 15:54

USERNAME [a-zA-Z0-9._-]+ 
USER %{USERNAME} 
INT (?:[+-]?(?:[0-9]+)) 
BASE10NUM (?<![0-9.+-])(?>[+-]?(?:(?:[0-9]+(?:\.[0-9]+)?)|(?:\.[0-9]+))) 
NUMBER (?:%{BASE10NUM}) 
BASE16NUM (?<![0-9A-Fa-f])(?:[+-]?(?:0x)?(?:[0-9A-Fa-f]+)) 
BASE16FLOAT \b(?<![0-9A-Fa-f.])(?:[+-]?(?:0x)?(?:(?:[0-9A-Fa-f]+(?:\.[0-9A-Fa-f]*)?)|(?:\.[0-9A-Fa-f]+)))\b 
 

POSINT \b(?:[1-9][0-9]*)\b 
NONNEGINT \b(?:[0-9]+)\b 
WORD \b\w+\b 
NOTSPACE \S+ 
SPACE \s* 
DATA .*? 
GREEDYDATA .* 
QUOTEDSTRING (?>(?<!\\)(?>"(?>\\.|[^\\"]+)+"|""|(?>'(?>\\.|[^\\']+)+')|''|(?>`(?>\\.|[^\\`]+)+`)|``)) 
UUID [A-Fa-f0-9]{8}-(?:[A-Fa-f0-9]{4}-){3}[A-Fa-f0-9]{12} 
 

# Networking 
MAC (?:%{CISCOMAC}|%{WINDOWSMAC}|%{COMMONMAC}) 
CISCOMAC (?:(?:[A-Fa-f0-9]{4}\.){2}[A-Fa-f0-9]{4}) 
WINDOWSMAC (?:(?:[A-Fa-f0-9]{2}-){5}[A-Fa-f0-9]{2}) 
COMMONMAC (?:(?:[A-Fa-f0-9]{2}:){5}[A-Fa-f0-9]{2}) 
IPV6 ((([0-9A-Fa-f]{1,4}:){7}([0-9A-Fa-f]{1,4}|:))|(([0-9A-Fa-f]{1,4}:){6}(:[0-9A-Fa-f]{1,4}|((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(([0-9A-Fa-f]{1,4}:){5}(((:[0-9A-Fa-f]{1,4}){1,2})|:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(([0-9A-Fa-f]{1,4}:){4}(((:[0-9A-Fa-f]{1,4}){1,3})|((:[0-9A-Fa-f]{1,4})?:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){3}(((:[0-9A-Fa-f]{1,4}){1,4})|((:[0-9A-Fa-f]{1,4}){0,2}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){2}(((:[0-9A-Fa-f]{1,4}){1,5})|((:[0-9A-Fa-f]{1,4}){0,3}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){1}(((:[0-9A-Fa-f]{1,4}){1,6})|((:[0-9A-Fa-f]{1,4}){0,4}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(:(((:[0-9A-Fa-f]{1,4}){1,7})|((:[0-9A-Fa-f]{1,4}){0,5}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:)))(%.+)? 
IPV4 (?<![0-9])(?:(?:25[0-5]|2[0-4][0-9]|[0-1]?[0-9]{1,2})[.](?:25[0-5]|2[0-4][0-9]|[0-1]?[0-9]{1,2})[.](?:25[0-5]|2[0-4][0-9]|[0-1]?[0-9]{1,2})[.](?:25[0-5]|2[0-4][0-9]|[0-1]?[0-9]{1,2}))(?![0-9]) 
IP (?:%{IPV6}|%{IPV4}) 
HOSTNAME \b(?:[0-9A-Za-z][0-9A-Za-z-]{0,62})(?:\.(?:[0-9A-Za-z][0-9A-Za-z-]{0,62}))*(\.?|\b) 
HOST %{HOSTNAME} 
IPORHOST (?:%{HOSTNAME}|%{IP}) 
HOSTPORT %{IPORHOST}:%{POSINT} 
 

# paths 
PATH (?:%{UNIXPATH}|%{WINPATH}) 
UNIXPATH (?>/(?>[\w_%!$@:.,-]+|\\.)*)+ 
TTY (?:/dev/(pts|tty([pq])?)(\w+)?/?(?:[0-9]+)) 
WINPATH (?>[A-Za-z]+:|\\)(?:\\[^\\?*]*)+ 
URIPROTO [A-Za-z]+(\+[A-Za-z+]+)? 
URIHOST %{IPORHOST}(?::%{POSINT:port})? 
# uripath comes loosely from RFC1738, but mostly from what Firefox 
# doesn't turn into %XX 
URIPATH (?:/[A-Za-z0-9$.+!*'(){},~:;=@#%_\-]*)+ 
#URIPARAM \?(?:[A-Za-z0-9]+(?:=(?:[^&]*))?(?:&(?:[A-Za-z0-9]+(?:=(?:[^&]*))?)?)*)? 
URIPARAM \?[A-Za-z0-9$.+!*'|(){},~@#%&/=:;_?\-\[\]]* 
URIPATHPARAM %{URIPATH}(?:%{URIPARAM})? 
URI %{URIPROTO}://(?:%{USER}(?::[^@]*)?@)?(?:%{URIHOST})?(?:%{URIPATHPARAM})? 
 

# Months: January, Feb, 3, 03, 12, December 
MONTH \b(?:Jan(?:uary)?|Feb(?:ruary)?|Mar(?:ch)?|Apr(?:il)?|May|Jun(?:e)?|Jul(?:y)?|Aug(?:ust)?|Sep(?:tember)?|Oct(?:ober)?|Nov(?:ember)?|Dec(?:ember)?)\b 
MONTHNUM (?:0?[1-9]|1[0-2]) 
MONTHNUM2 (?:0[1-9]|1[0-2]) 
MONTHDAY (?:(?:0[1-9])|(?:[12][0-9])|(?:3[01])|[1-9]) 
 

# Days: Monday, Tue, Thu, etc... 
DAY (?:Mon(?:day)?|Tue(?:sday)?|Wed(?:nesday)?|Thu(?:rsday)?|Fri(?:day)?|Sat(?:urday)?|Sun(?:day)?) 
 

# Years? 
YEAR (?>\d\d){1,2} 
HOUR (?:2[0123]|[01]?[0-9]) 
MINUTE (?:[0-5][0-9]) 
# '60' is a leap second in most time standards and thus is valid. 
SECOND (?:(?:[0-5]?[0-9]|60)(?:[:.,][0-9]+)?) 
TIME (?!<[0-9])%{HOUR}:%{MINUTE}(?::%{SECOND})(?![0-9]) 
# datestamp is YYYY/MM/DD-HH:MM:SS.UUUU (or something like it) 
DATE_US %{MONTHNUM}[/-]%{MONTHDAY}[/-]%{YEAR} 
DATE_EU %{MONTHDAY}[./-]%{MONTHNUM}[./-]%{YEAR} 
ISO8601_TIMEZONE (?:Z|[+-]%{HOUR}(?::?%{MINUTE})) 
ISO8601_SECOND (?:%{SECOND}|60) 
TIMESTAMP_ISO8601 %{YEAR}-%{MONTHNUM}-%{MONTHDAY}[T ]%{HOUR}:?%{MINUTE}(?::?%{SECOND})?%{ISO8601_TIMEZONE}? 
DATE %{DATE_US}|%{DATE_EU} 
DATESTAMP %{DATE}[- ]%{TIME} 
TZ (?:[PMCE][SD]T|UTC) 
DATESTAMP_RFC822 %{DAY} %{MONTH} %{MONTHDAY} %{YEAR} %{TIME} %{TZ} 
DATESTAMP_RFC2822 %{DAY}, %{MONTHDAY} %{MONTH} %{YEAR} %{TIME} %{ISO8601_TIMEZONE} 
DATESTAMP_OTHER %{DAY} %{MONTH} %{MONTHDAY} %{TIME} %{TZ} %{YEAR} 
DATESTAMP_EVENTLOG %{YEAR}%{MONTHNUM2}%{MONTHDAY}%{HOUR}%{MINUTE}%{SECOND} 
 

# Syslog Dates: Month Day HH:MM:SS 
SYSLOGTIMESTAMP %{MONTH} +%{MONTHDAY} %{TIME} 
PROG (?:[\w._/%-]+) 
SYSLOGPROG %{PROG:program}(?:\[%{POSINT:pid}\])? 
SYSLOGHOST %{IPORHOST} 
SYSLOGFACILITY <%{NONNEGINT:facility}.%{NONNEGINT:priority}> 
HTTPDATE %{MONTHDAY}/%{MONTH}/%{YEAR}:%{TIME} %{INT} 
 

# Shortcuts 
QS %{QUOTEDSTRING} 
 

# Log formats 
SYSLOGBASE %{SYSLOGTIMESTAMP:timestamp} (?:%{SYSLOGFACILITY} )?%{SYSLOGHOST:logsource} %{SYSLOGPROG}: 
COMMONAPACHELOG %{IPORHOST:clientip} %{USER:ident} %{USER:auth} \[%{HTTPDATE:timestamp}\] "(?:%{WORD:verb} %{NOTSPACE:request}(?: HTTP/%{NUMBER:httpversion})?|%{DATA:rawrequest})" %{NUMBER:response} (?:%{NUMBER:bytes}|-) 
COMBINEDAPACHELOG %{COMMONAPACHELOG} %{QS:referrer} %{QS:agent} 
 

# Log Levels 
LOGLEVEL ([Aa]lert|ALERT|[Tt]race|TRACE|[Dd]ebug|DEBUG|[Nn]otice|NOTICE|[Ii]nfo|INFO|[Ww]arn?(?:ing)?|WARN?(?:ING)?|[Ee]rr?(?:or)?|ERR?(?:OR)?|[Cc]rit?(?:ical)?|CRIT?(?:ICAL)?|[Ff]atal|FATAL|[Ss]evere|SEVERE|EMERG(?:ENCY)?|[Ee]merg(?:ency)?)