zeek
February 2, 2026 · View on GitHub
Expression
product = zeek
Fields
| Field | Core | Detection | Informational |
|---|---|---|---|
| src_ip | ✓ | ||
| protocol | ✓ | ||
| connection_id | ✓ | ||
| dest_ip | ✓ |
Activity Types
| Activity Type | Field | Status | Core | Detection | Informational |
|---|---|---|---|---|---|
| alert-trigger | src_ip | Legacy | ✓ | ✓ | |
| src_port | Legacy | ✓ | |||
| protocol | Legacy | ✓ | |||
| dest_ip | Legacy | ✓ | ✓ | ||
| src_host | Legacy | ✓ | ✓ | ||
| dest_port | Legacy | ✓ | |||
| dhcp-session | duration | ✓ | |||
| transaction_id | ✓ | ||||
| src_mac | ✓ | ||||
| dhcp_type | ✓ | ||||
| lease_time | ✓ | ||||
| domain | ✓ | ||||
| dest_host | ✓ | ||||
| session_id | ✓ | ||||
| user_uids | ✓ | ||||
| domain_user_name | |||||
| user | Legacy | ✓ | |||
| dns-request | query_id | ✓ | |||
| dns-response | transaction_id | ✓ | |||
| AA | ✓ | ||||
| TTLs | ✓ | ||||
| qclass_name | ✓ | ||||
| RD | ✓ | ||||
| rtt | ✓ | ||||
| Z | ✓ | ||||
| qclass | ✓ | ||||
| user_uid | ✓ | ||||
| TC | ✓ | ||||
| RA | ✓ | ||||
| email-receive | rcptto | Default | ✓ | ||
| cc | Default | ✓ | |||
| session_id | Default | ✓ | |||
| mailfrom | Default | ✓ | |||
| message_id | Default | ✓ | |||
| in_reply_to | Default | ✓ | |||
| src_port | Default | ✓ | |||
| path | Default | ✓ | |||
| trans_depth | Default | ✓ | |||
| reply_to | Default | ✓ | |||
| event_name | Default | ✓ | |||
| dest_host | Default | ✓ | |||
| dest_port | Default | ✓ | |||
| user_agent | Default | ✓ | |||
| endpoint-authentication | src_port | Default | ✓ | ||
| ticket_encryption_type | Default | ✓ | |||
| ticket_options | Default | ✓ | |||
| request_type | Default | ✓ | |||
| event_code | Default | ✓ | |||
| service_name | Default | ✓ | |||
| client_cert_subject | Default | ✓ | |||
| result_code | Default | ✓ | |||
| issue_time | Default | ✓ | |||
| expiry_time | Default | ✓ | |||
| dest_port | Default | ✓ | |||
| endpoint-login | src_port | Default | ✓ | ||
| event_code | Default | ✓ | |||
| process_name | Default | ✓ | |||
| result_code | Default | ✓ | |||
| src_host | Default | ✓ | |||
| dest_port | Default | ✓ | |||
| file-delete | app | ||||
| mime | |||||
| local_user_name | |||||
| session_id | |||||
| src_host | Legacy | ✓ | |||
| share_path | ✓ | ||||
| src_port | ✓ | ||||
| event_code | ✓ | ||||
| dest_host | Legacy | ✓ | |||
| user | Legacy | ✓ | ✓ | ||
| operation | |||||
| dest_port | ✓ | ||||
| object | |||||
| file-read | timedout | ✓ | |||
| mime | ✓ | ||||
| local_user_name | |||||
| extracted | ✓ | ||||
| duration | ✓ | ||||
| analyzers | ✓ | ||||
| connection_uid | ✓ | ||||
| event_code | ✓ | ||||
| hash_md5 | ✓ | ||||
| dest_port | ✓ | ||||
| app | |||||
| hash_sha1 | ✓ | ||||
| local_orig | ✓ | ||||
| session_id | |||||
| missed_bytes | ✓ | ||||
| src_host | Legacy | ✓ | |||
| is_orig | ✓ | ||||
| share_path | ✓ | ||||
| extracted_cutoff | ✓ | ||||
| overflow_bytes | ✓ | ||||
| src_port | ✓ | ||||
| hash_sha256 | ✓ | ||||
| depth | ✓ | ||||
| file_dir_id | ✓ | ||||
| bytes | Legacy | ✓ | |||
| file_id | ✓ | ||||
| log_source | ✓ | ||||
| dest_host | Legacy | ✓ | |||
| operation | |||||
| user | Legacy | ✓ | ✓ | ||
| extracted_size | ✓ | ||||
| object | |||||
| file-write | app | ||||
| mime | |||||
| local_user_name | |||||
| session_id | |||||
| src_host | |||||
| share_path | ✓ | ||||
| src_port | ✓ | ||||
| event_code | ✓ | ||||
| dest_host | Legacy | ✓ | |||
| user | Legacy | ✓ | ✓ | ||
| operation | |||||
| dest_port | ✓ | ||||
| object | |||||
| ftp-traffic | app | Default | ✓ | ||
| src_port | Default | ✓ | |||
| mime | Default | ✓ | |||
| local_user_name | |||||
| dest_host | Default | ✓ | |||
| session_id | Default | ✓ | |||
| src_host | Default | ✓ | |||
| user | Default | ✓ | |||
| operation | Default | ✓ | |||
| dest_port | Default | ✓ | |||
| object | Default | ✓ | |||
| http-session | orig_filenames | Default | ✓ | ||
| additional_info | Default | ✓ | |||
| status_msg | Default | ✓ | |||
| proxied | Default | ✓ | |||
| tags | Default | ✓ | |||
| network-session | country | Default | ✓ | ||
| src_interface | Default | ✓ | |||
| resp_pkts | Default | ✓ | |||
| connection_age | Default | ✓ | |||
| bytes_in | Default | ✓ | |||
| orig_bytes | Default | ✓ | |||
| service_name | Default | ✓ | |||
| resp_cc | Default | ✓ | |||
| local_orig | Default | ✓ | |||
| orig_pkts | Default | ✓ | |||
| orig_cc | Default | ✓ | |||
| mbps | Default | ✓ | |||
| missed_bytes | Default | ✓ | |||
| history | Default | ✓ | |||
| tunnel_parents | Default | ✓ | |||
| connection_state | Default | ✓ | |||
| duration | Default | ✓ | |||
| local_resp | Default | ✓ | |||
| resp_bytes | Default | ✓ | |||
| bytes_out | Default | ✓ | |||
| operation | Default | ✓ | |||
| sensor_name | Default | ✓ | |||
| user_uid | Default | ✓ | |||
| network-traffic | server | Default | ✓ | ||
| event_code | Default | ✓ | |||
| service_name | Default | ✓ | |||
| cipher_method | Default | ✓ | |||
| radius-traffic | result | Default | ✓ | ||
| response_ttl | Default | ✓ | |||
| user | Default | ✓ | |||
| framed_addr | Default | ✓ | |||
| share-access | share_type | Default | ✓ | ||
| service_name | Default | ✓ | |||
| native_file_system | Default | ✓ | |||
| ssh-traffic | cipher | ✓ | |||
| kex_alg | ✓ | ||||
| mac_alg | ✓ | ||||
| server | ✓ | ||||
| compression_algorithm | ✓ | ||||
| host_key_alg | ✓ | ||||
| remote_location_longitude | ✓ | ||||
| version | ✓ | ||||
| remote_location_region | ✓ | ||||
| client_ssh_version | ✓ | ||||
| host_key | ✓ | ||||
| server_ssh_version | ✓ | ||||
| remote_location_city | ✓ | ||||
| remote_location_country_code | ✓ | ||||
| client | ✓ | ||||
| remote_location_latitude | ✓ | ||||
| direction | ✓ |