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Merge pull request elastic#758 from GregMefford/master
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Eliminated named literal captures in favor of Grok expressions for ASA firewall patterns
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@nickethier
nickethier committed Nov 23, 2013
2 parents 41d7a41 + a76d0bc commit fce464d
Showing 1 changed file with 27 additions and 21 deletions.
48 changes: 27 additions & 21 deletions patterns/firewalls
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Original file line number Diff line number Diff line change
Expand Up @@ -5,50 +5,56 @@ NETSCREENSESSIONLOG %{SYSLOGTIMESTAMP:date} %{IPORHOST:device} %{IPORHOST}: NetS
CISCO_TAGGED_SYSLOG ^<%{POSINT:syslog_pri}>%{CISCOTIMESTAMP:timestamp}( %{SYSLOGHOST:sysloghost})?: %%{CISCOTAG:ciscotag}:
CISCOTIMESTAMP %{MONTH} +%{MONTHDAY}(?: %{YEAR})? %{TIME}
CISCOTAG [A-Z0-9]+-%{INT}-(?:[A-Z0-9_]+)
# Common Particles
CISCO_ACTION Built|Teardown|Deny|Denied|denied|requested|permitted|denied by ACL|discarded|est-allowed|Dropping|created|deleted
CISCO_REASON Duplicate TCP SYN|Failed to locate egress interface|Invalid transport field|No matching connection|DNS Response|DNS Query|(?:%{WORD}\s*)*
CISCO_DIRECTION Inbound|inbound|Outbound|outbound
CISCO_INTERVAL first hit|%{INT}-second interval
CISCO_XLATE_TYPE static|dynamic
# ASA-2-106001
CISCOFW106001 (?<direction>Inbound) (?<protocol>TCP) connection (?<action>denied) from %{IP:src_ip}/%{INT:src_port} to %{IP:dst_ip}/%{INT:dst_port} flags %{GREEDYDATA:tcp_flags} on interface %{GREEDYDATA:interface}
CISCOFW106001 %{CISCO_DIRECTION:direction} %{WORD:protocol} connection %{CISCO_ACTION:action} from %{IP:src_ip}/%{INT:src_port} to %{IP:dst_ip}/%{INT:dst_port} flags %{GREEDYDATA:tcp_flags} on interface %{GREEDYDATA:interface}
# ASA-2-106006, ASA-2-106007, ASA-2-106010
CISCOFW106006_106007_106010 (?<action>Deny) (?<direction>inbound) %{WORD:protocol} (from|src) %{IP:src_ip}/%{INT:src_port}(\(%{DATA:src_fwuser}\))? (to|dst) %{IP:dst_ip}/%{INT:dst_port}(\(%{DATA:dst_fwuser}\))? (on interface %{DATA:interface}|due to (?<reason>DNS (Response|Query)))
CISCOFW106006_106007_106010 %{CISCO_ACTION:action} %{CISCO_DIRECTION:direction} %{WORD:protocol} (?:from|src) %{IP:src_ip}/%{INT:src_port}(\(%{DATA:src_fwuser}\))? (?:to|dst) %{IP:dst_ip}/%{INT:dst_port}(\(%{DATA:dst_fwuser}\))? (?:on interface %{DATA:interface}|due to %{CISCO_REASON:reason})
# ASA-3-106014
CISCOFW106014 (?<action>Deny) (?<direction>inbound) (?<protocol>icmp) src %{DATA:src_interface}:%{IP:src_ip}(\(%{DATA:src_fwuser}\))? dst %{DATA:dst_interface}:%{IP:dst_ip}(\(%{DATA:dst_fwuser}\))? \(type %{INT:icmp_type}, code %{INT:icmp_code}\)
CISCOFW106014 %{CISCO_ACTION:action} %{CISCO_DIRECTION:direction} %{WORD:protocol} src %{DATA:src_interface}:%{IP:src_ip}(\(%{DATA:src_fwuser}\))? dst %{DATA:dst_interface}:%{IP:dst_ip}(\(%{DATA:dst_fwuser}\))? \(type %{INT:icmp_type}, code %{INT:icmp_code}\)
# ASA-6-106015
CISCOFW106015 (?<action>Deny) (?<protocol>TCP) \((?<policy_id>no connection)\) from %{IP:src_ip}/%{INT:src_port} to %{IP:dst_ip}/%{INT:dst_port} flags %{DATA:tcp_flags} on interface %{GREEDYDATA:interface}
CISCOFW106015 %{CISCO_ACTION:action} %{WORD:protocol} \(%{DATA:policy_id}\) from %{IP:src_ip}/%{INT:src_port} to %{IP:dst_ip}/%{INT:dst_port} flags %{DATA:tcp_flags} on interface %{GREEDYDATA:interface}
# ASA-1-106021
CISCOFW106021 (?<action>Deny) %{WORD:protocol} reverse path check from %{IP:src_ip} to %{IP:dst_ip} on interface %{GREEDYDATA:interface}
CISCOFW106021 %{CISCO_ACTION:action} %{WORD:protocol} reverse path check from %{IP:src_ip} to %{IP:dst_ip} on interface %{GREEDYDATA:interface}
# ASA-4-106023
CISCOFW106023 (?<action>Deny) (?<protocol>tcp|udp|icmp) src %{DATA:src_interface}:%{IP:src_ip}(/%{INT:src_port})?(\(%{DATA:src_fwuser}\))? dst %{DATA:dst_interface}:%{IP:dst_ip}(/%{INT:dst_port})?(\(%{DATA:dst_fwuser}\))?( \(type %{INT:icmp_type}, code %{INT:icmp_code}\))? by access-group %{DATA:policy_id} \[%{DATA:hashcode1}, %{DATA:hashcode2}\]
CISCOFW106023 %{CISCO_ACTION:action} %{WORD:protocol} src %{DATA:src_interface}:%{IP:src_ip}(/%{INT:src_port})?(\(%{DATA:src_fwuser}\))? dst %{DATA:dst_interface}:%{IP:dst_ip}(/%{INT:dst_port})?(\(%{DATA:dst_fwuser}\))?( \(type %{INT:icmp_type}, code %{INT:icmp_code}\))? by access-group %{DATA:policy_id} \[%{DATA:hashcode1}, %{DATA:hashcode2}\]
# ASA-5-106100
CISCOFW106100 access-list %{WORD:policy_id} %{WORD:action} %{WORD:protocol} %{DATA:src_interface}/%{IP:src_ip}\(%{INT:src_port}\)(\(%{DATA:src_fwuser}\))? -> %{DATA:dst_interface}/%{IP:dst_ip}\(%{INT:dst_port}\)(\(%{DATA:src_fwuser}\))? hit-cnt %{INT:hit_count} (?<interval>(first hit)|(%{INT}-second interval)) \[%{DATA:hashcode1}, %{DATA:hashcode2}\]
CISCOFW106100 access-list %{WORD:policy_id} %{CISCO_ACTION:action} %{WORD:protocol} %{DATA:src_interface}/%{IP:src_ip}\(%{INT:src_port}\)(\(%{DATA:src_fwuser}\))? -> %{DATA:dst_interface}/%{IP:dst_ip}\(%{INT:dst_port}\)(\(%{DATA:src_fwuser}\))? hit-cnt %{INT:hit_count} %{CISCO_INTERVAL:interval} \[%{DATA:hashcode1}, %{DATA:hashcode2}\]
# ASA-6-110002
CISCOFW110002 (?<action>Failed to locate egress interface) for %{WORD:protocol} from %{DATA:src_interface}:%{IP:src_ip}/%{INT:src_port} to %{IP:dst_ip}/%{INT:dst_port}
CISCOFW110002 %{CISCO_REASON:reason} for %{WORD:protocol} from %{DATA:src_interface}:%{IP:src_ip}/%{INT:src_port} to %{IP:dst_ip}/%{INT:dst_port}
# ASA-6-302010
CISCOFW302010 %{INT:connection_count} in use, %{INT:connection_count_max} most used
# ASA-6-302013, ASA-6-302014, ASA-6-302015, ASA-6-302016
CISCOFW302013_302014_302015_302016 (?<action>Built|Teardown)( (?<direction>inbound|outbound))? (?<protocol>TCP|UDP) connection %{INT:connection_id} for %{DATA:src_interface}:%{IP:src_ip}/%{INT:src_port}( \(%{IP:src_mapped_ip}/%{INT:src_mapped_port}\))?(\(%{DATA:src_fwuser}\))? to %{DATA:dst_interface}:%{IP:dst_ip}/%{INT:dst_port}( \(%{IP:dst_mapped_ip}/%{INT:dst_mapped_port}\))?(\(%{DATA:dst_fwuser}\))?( duration %{TIME:duration} bytes %{INT:bytes})?( (?<reason>%{WORD}( %{WORD})*))?( \(%{DATA:user}\))?
CISCOFW302013_302014_302015_302016 %{CISCO_ACTION:action}(?: %{CISCO_DIRECTION:direction})? %{WORD:protocol} connection %{INT:connection_id} for %{DATA:src_interface}:%{IP:src_ip}/%{INT:src_port}( \(%{IP:src_mapped_ip}/%{INT:src_mapped_port}\))?(\(%{DATA:src_fwuser}\))? to %{DATA:dst_interface}:%{IP:dst_ip}/%{INT:dst_port}( \(%{IP:dst_mapped_ip}/%{INT:dst_mapped_port}\))?(\(%{DATA:dst_fwuser}\))?( duration %{TIME:duration} bytes %{INT:bytes})?(?: %{CISCO_REASON:reason})?( \(%{DATA:user}\))?
# ASA-6-302020, ASA-6-302021
CISCOFW302020_302021 (?<action>Built|Teardown)( (?<direction>inbound|outbound))? (?<protocol>ICMP) connection for faddr %{IP:dst_ip}/%{INT:icmp_seq_num}(?:\(%{DATA:fwuser}\))? gaddr %{IP:src_xlated_ip}/%{INT:icmp_code_xlated} laddr %{IP:src_ip}/%{INT:icmp_code}( \(%{DATA:user}\))?
CISCOFW302020_302021 %{CISCO_ACTION:action}(?: %{CISCO_DIRECTION:direction})? %{WORD:protocol} connection for faddr %{IP:dst_ip}/%{INT:icmp_seq_num}(?:\(%{DATA:fwuser}\))? gaddr %{IP:src_xlated_ip}/%{INT:icmp_code_xlated} laddr %{IP:src_ip}/%{INT:icmp_code}( \(%{DATA:user}\))?
# ASA-6-305011
CISCOFW305011 (?<action>Built|Teardown) (?<xlate_type>static|dynamic) (?<protocol>TCP|UDP|ICMP) translation from %{DATA:src_interface}:%{IP:src_ip}(/%{INT:src_port})?(\(%{DATA:src_fwuser}\))? to %{DATA:src_xlated_interface}:%{IP:src_xlated_ip}/%{DATA:src_xlated_port}
CISCOFW305011 %{CISCO_ACTION:action} %{CISCO_XLATE_TYPE:xlate_type} %{WORD:protocol} translation from %{DATA:src_interface}:%{IP:src_ip}(/%{INT:src_port})?(\(%{DATA:src_fwuser}\))? to %{DATA:src_xlated_interface}:%{IP:src_xlated_ip}/%{DATA:src_xlated_port}
# ASA-3-313001, ASA-3-313004, ASA-3-313008
CISCOFW313001_313004_313008 (?<action>Denied) (?<protocol>ICMP(v6)?) type=%{INT:icmp_type}, code=%{INT:icmp_code} from %{IP:src_ip} on interface %{DATA:interface}( to %{IP:dst_ip})?
CISCOFW313001_313004_313008 %{CISCO_ACTION:action} %{WORD:protocol} type=%{INT:icmp_type}, code=%{INT:icmp_code} from %{IP:src_ip} on interface %{DATA:interface}( to %{IP:dst_ip})?
# ASA-4-313005
CISCOFW313005 (?<action>No matching connection) for ICMP error message: (?<err_protocol>icmp) src %{DATA:err_src_interface}:%{IP:err_src_ip}(\(%{DATA:err_src_fwuser}\))? dst %{DATA:err_dst_interface}:%{IP:err_dst_ip}(\(%{DATA:err_dst_fwuser}\))? \(type %{INT:err_icmp_type}, code %{INT:err_icmp_code}\) on %{DATA:interface} interface\. Original IP payload: %{WORD:protocol} src %{IP:orig_src_ip}/%{INT:orig_src_port}(\(%{DATA:orig_src_fwuser}\))? dst %{IP:orig_dst_ip}/%{INT:orig_dst_port}(\(%{DATA:orig_dst_fwuser}\))?
CISCOFW313005 %{CISCO_REASON:reason} for %{WORD:protocol} error message: %{WORD:err_protocol} src %{DATA:err_src_interface}:%{IP:err_src_ip}(\(%{DATA:err_src_fwuser}\))? dst %{DATA:err_dst_interface}:%{IP:err_dst_ip}(\(%{DATA:err_dst_fwuser}\))? \(type %{INT:err_icmp_type}, code %{INT:err_icmp_code}\) on %{DATA:interface} interface\. Original IP payload: %{WORD:protocol} src %{IP:orig_src_ip}/%{INT:orig_src_port}(\(%{DATA:orig_src_fwuser}\))? dst %{IP:orig_dst_ip}/%{INT:orig_dst_port}(\(%{DATA:orig_dst_fwuser}\))?
# ASA-4-402117
CISCOFW402117 (?<protocol>IPSEC): Received a non-IPSec packet \(protocol= %{WORD:orig_protocol}\) from %{IP:src_ip} to %{IP:dst_ip}
CISCOFW402117 %{WORD:protocol}: Received a non-IPSec packet \(protocol= %{WORD:orig_protocol}\) from %{IP:src_ip} to %{IP:dst_ip}
# ASA-4-402119
CISCOFW402119 (?<protocol>IPSEC): Received an %{WORD:orig_protocol} packet \(SPI= %{DATA:spi}, sequence number= %{DATA:seq_num}\) from %{IP:src_ip} \(user= %{DATA:user}\) to %{IP:dst_ip} that failed anti-replay checking
CISCOFW402119 %{WORD:protocol}: Received an %{WORD:orig_protocol} packet \(SPI= %{DATA:spi}, sequence number= %{DATA:seq_num}\) from %{IP:src_ip} \(user= %{DATA:user}\) to %{IP:dst_ip} that failed anti-replay checking
# ASA-4-419001
CISCOFW419001 (?<action>Dropping) (?<protocol>TCP) packet from %{DATA:src_interface}:%{IP:src_ip}/%{INT:src_port} to %{DATA:dst_interface}:%{IP:dst_ip}/%{INT:dst_port}, reason: %{GREEDYDATA:reason}
CISCOFW419001 %{CISCO_ACTION:action} %{WORD:protocol} packet from %{DATA:src_interface}:%{IP:src_ip}/%{INT:src_port} to %{DATA:dst_interface}:%{IP:dst_ip}/%{INT:dst_port}, reason: %{GREEDYDATA:reason}
# ASA-4-419002
CISCOFW419002 (?<action>Duplicate (?<protocol>TCP) SYN) from %{DATA:src_interface}:%{IP:src_ip}/%{INT:src_port} to %{DATA:dst_interface}:%{IP:dst_ip}/%{INT:dst_port} with different initial sequence number
CISCOFW419002 %{CISCO_REASON:reason} from %{DATA:src_interface}:%{IP:src_ip}/%{INT:src_port} to %{DATA:dst_interface}:%{IP:dst_ip}/%{INT:dst_port} with different initial sequence number
# ASA-4-500004
CISCOFW500004 (?<action>Invalid transport field) for protocol=%{WORD:protocol}, from %{IP:src_ip}/%{INT:src_port} to %{IP:dst_ip}/%{INT:dst_port}
CISCOFW500004 %{CISCO_REASON:reason} for protocol=%{WORD:protocol}, from %{IP:src_ip}/%{INT:src_port} to %{IP:dst_ip}/%{INT:dst_port}
# ASA-6-602303, ASA-6-602304
CISCOFW602303_602304 (?<protocol>IPSEC): An (?<direction>inbound|outbound) %{GREEDYDATA:tunnel_type} SA \(SPI= %{DATA:spi}\) between %{IP:src_ip} and %{IP:dst_ip} \(user= %{DATA:user}\) has been (?<action>created|deleted)
CISCOFW602303_602304 %{WORD:protocol}: An %{CISCO_DIRECTION:direction} %{GREEDYDATA:tunnel_type} SA \(SPI= %{DATA:spi}\) between %{IP:src_ip} and %{IP:dst_ip} \(user= %{DATA:user}\) has been %{CISCO_ACTION:action}
# ASA-7-710001, ASA-7-710002, ASA-7-710003, ASA-7-710005, ASA-7-710006
CISCOFW710001_710002_710003_710005_710006 %{WORD:protocol} (?:request|access) (?<action>requested|permitted|denied by ACL|discarded) from %{IP:src_ip}/%{INT:src_port} to %{DATA:dst_interface}:%{IP:dst_ip}/%{INT:dst_port}
CISCOFW710001_710002_710003_710005_710006 %{WORD:protocol} (?:request|access) %{CISCO_ACTION:action} from %{IP:src_ip}/%{INT:src_port} to %{DATA:dst_interface}:%{IP:dst_ip}/%{INT:dst_port}
# ASA-6-713172
CISCOFW713172 Group = %{GREEDYDATA:group}, IP = %{IP:src_ip}, Automatic NAT Detection Status:\s+Remote end\s*%{DATA:is_remote_natted}\s*behind a NAT device\s+This\s+end\s*%{DATA:is_local_natted}\s*behind a NAT device
# ASA-4-733100
CISCOFW733100 \[\s*(?<drop_type>[^\]]+)\] drop %{DATA:drop_rate_id} exceeded. Current burst rate is %{INT:drop_rate_current_burst} per second, max configured rate is %{INT:drop_rate_max_burst}; Current average rate is %{INT:drop_rate_current_avg} per second, max configured rate is %{INT:drop_rate_max_avg}; Cumulative total count is %{INT:drop_total_count}
CISCOFW733100 \[\s*%{DATA:drop_type}\s*\] drop %{DATA:drop_rate_id} exceeded. Current burst rate is %{INT:drop_rate_current_burst} per second, max configured rate is %{INT:drop_rate_max_burst}; Current average rate is %{INT:drop_rate_current_avg} per second, max configured rate is %{INT:drop_rate_max_avg}; Cumulative total count is %{INT:drop_total_count}
#== End Cisco ASA ==

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