hunters-forge-OSSEM/docs/cdm/tables/network_session.md

network_session

Event fields used to normalize data related to network sessions.

Attributes

Entity	Name	Type	Description	Sample Value
cloud	cloud_app_id	string	The ID of the application for an HTTP application as identified by a proxy. This value is usually specific to the proxy used.	124
cloud	cloud_app_name	string	The name of an application provided by a cloud service.	AppOne
cloud	cloud_app_operation	string	The operation the user performed in the context of the application for an HTTP application as identified by a proxy. This value is usually specific to the proxy used.	DELETE
cloud	cloud_app_risk_level	string	The risk level associated with an HTTP application as identified by a proxy. This value is usually specific to the proxy used.	3
destination	dst_bytes	integer	The number of bytes sent from the destination to the source for the connection or session.	100
destination	dst_domain_hostname	string	The destination server, host, hostname, domain, domain name or what people commonly might refer to as a domain or website when someone is browsing the Internet. Some examples, would include the TLS server name, HTTP Host, DNS Query Name, etc. For information on how to define and use this field refer to the documentation here	www.google.com
destination	dst_dvc_domain	string	Name of the domain the device is part of.	hunt.wardog.com
destination	dst_dvc_fqdn	string	The fully qualified domain name of the host	WKHR001.hunt.wardog.com
destination	dst_dvc_hostname	string	The host name from which the event/log came from. There may be multiple host names in an event (i.e. syslog could have forwarder host name), this field is to be the most true log host name (i.e. NOT the forwarders name).	bobs.uncle-pc
destination	dst_dvc_ip_addr	ip	IP address assigned to the device generating the event and/or the IP address in the network packet. This could be used in the context of source, destination, device and even NAT when it is provided by an intermediary NAT device such as a firewall.	192.168.1.2
destination	dst_dvc_mac_addr	string	MAC address of the device where the event was generated or network interface where a connection starts or ends.	00:11:22:33:44:55
destination	dst_geo_city	string	The city associated to the IP address in the network session.	San Miguel
destination	dst_geo_country	string	The country associated with the IP address in the network session.	Peru
destination	dst_geo_latitude	string	The latitude of the geographical coordinate associated with the IP address in the network session.	38.8951
destination	dst_geo_longitude	string	The longitude of the geographical coordinate associated with the IP address in the network session.	-77.0364
destination	dst_geo_region	string	The region within a country associated with the IP address in the network session.	East US
destination	dst_interface_guid	string	GUID of the network interface which was used for authentication request (if applicable). Most of the time you would use the interface_name field for the uid.	7C202E90-2FBE-4275-AB0E-9BF67E04BEDF
destination	dst_interface_name	string	The network interface used for the connection or session by the destination device.	eth02
destination	dst_ip_addr	ip	IP address assigned to the device generating the event and/or the IP address in the network packet. This could be used in the context of source, destination, device and even NAT when it is provided by an intermediary NAT device such as a firewall.	192.168.1.2
destination	dst_mac_addr	string	MAC address of the device where the event was generated or network interface where a connection starts or ends.	00:11:22:33:44:55
destination_nat	dst_nat_ip_addr	ip	IP address assigned to the device generating the event and/or the IP address in the network packet. This could be used in the context of source, destination, device and even NAT when it is provided by an intermediary NAT device such as a firewall.	192.168.1.2
destination_nat	dst_nat_port_number	integer	Port number used in a network connection. This could be used in the context of source, destination and even NAT when it is provided by an intermediary NAT device such as a firewall.	138
destination	dst_packets	integer	The number of packets sent from the destination to the source for the connection or session (Reply). The meaning of a packet is defined by the reporting device.	5
destination	dst_port_number	integer	Port number used in a network connection. This could be used in the context of source, destination and even NAT when it is provided by an intermediary NAT device such as a firewall.	138
destination	dst_resource_id	string	The resource Id of the destination device in a network connection	/subscriptions/33333333-8888-4444-a115-aaaaaaaaaaaa/resourcegroups/shokobo/providers/microsoft.compute/virtualmachines/sysmachine2
destination	dst_user_aadid	string	The User Azure AD ID of the identity associated with a cloud network session. It applies to source and destination entities.	5e8b0f4d-2cd4-4e17-9467-b0f6a5c0c4d0
destination	dst_user_domain	string	The domain or computer name associated to the user in a session. In active directory, this would be the name of the domain the user belongs to.	CONTOSO
destination	dst_user_name	string	Name of the user associated with the main event (i.e. Network session). There could be a sense of direction depending how it is used together with other entities (i.e. src_user_name or dst_user_name)	wardog
destination	dst_user_sid	string	Security identifier of the user. Typically, the identity used to authenticate a server.	S-1-5-21-1377283216-344919071-3415362939-500
destination	dst_user_upn	string	In Active Directory, the User Principal Name (UPN) attribute is a user identifier for logging in, separate from a Windows domain login.	dadmin@contoso
destination	dst_zone	string	The network zone of the destination, as defined by the reporting device.	dmz
device	dvc_action	string	If reported by an intermediary device such as a firewall, the action taken by device.	allow
device	dvc_domain	string	Name of the domain the device is part of.	hunt.wardog.com
device	dvc_fqdn	string	The fully qualified domain name of the host	WKHR001.hunt.wardog.com
device	dvc_hostname	string	The host name from which the event/log came from. There may be multiple host names in an event (i.e. syslog could have forwarder host name), this field is to be the most true log host name (i.e. NOT the forwarders name).	bobs.uncle-pc
device	dvc_inbound_interface	string	If reported by an intermediary device such as a firewall, the network interface used by it for the connection to the source device	eth0
device	dvc_interface_guid	string	GUID of the network interface which was used for authentication request	{2BB33827-6BB6-48DB-8DE6-DB9E0B9F9C9B}
device	dvc_interface_name	string	the name (description) of the network interface that was used for authentication request. You can get the list of all available network adapters using "ipconfig /all" command	Microsoft Hyper-V Network Adapter
device	dvc_ip_addr	ip	IP address assigned to the device generating the event and/or the IP address in the network packet. This could be used in the context of source, destination, device and even NAT when it is provided by an intermediary NAT device such as a firewall.	192.168.1.2
device	dvc_mac_addr	string	MAC address of the device where the event was generated or network interface where a connection starts or ends.	00:11:22:33:44:55
device	dvc_outbound_interface	string	If reported by an intermediary device such as a firewall, the network interface used by it for the connection to the destination device.	Ethernet 4
event	event_count	integer	The number of aggregated events, if applicable	10
event	event_end_time	datetime	The time in which the event ended	2017-04-12 12:00:00
event	event_message	string	A general message or description, either included in, or generated from the record	TCP access denied
event	event_original_uid	string	Original unique ID specific to the log/event as recorded from the source.	CMzY3i4YoNZ3mT5yu5
event	event_product	string	The product generating the event. Vendor and product might be the same for some data sources.	Windows
event	event_product_version	string	The version of the product generating the event	10
event	event_report_url	string	url of the full analysis report, if applicable	https://192.168.1.1/reports/ade-123-afa.log
event	event_resource_id	string	The resource ID of the device generating the message.	/subscriptions/aaabbbcc-dddd-eeee-1234-1234567890ab/resourcegroups/shokobo/providers/microsoft.compute/virtualmachines/sysmachine
event	event_result	string	The result reported for the activity. Empty value when not applicable	success
event	event_result_details	string	Reason or details for the result reported in event_result	Wrong Password
event	event_schema_version	string	Azure Sentinel Schema Version	0.1
event	event_severity	string	The severity of the event as defined manually or usually via the original log, commonly this would be syslog severity. The number codes should be converted to their corresponding string value.	high
event	event_start_time	datetime	The time in which the event stated	2017-01-21 09:12:34
event	event_sub_type	string	If there are subsets of an event log type, this field carries the next level value. i.e For windows, it would be the Security channel.	Security
event	event_time_ingested	datetime	The time the event was ingested to SIEM or data pipeline.	2157-01-21 09:12:34
event	event_type	string	Type of event being collected. i.e For Windows it would be the Event Provider (Microsoft-Windows-Security-Auditing). I.e. Paloalto, it would be the type of event such as Traffic or Threat. I.e. Zeek Logs, one example could be the conn.log.	Microsoft-Windows-Security-Auditing
event	event_uid	string	Original unique ID specific to the log/event assigned to the event (not original).	516a64e3-8360-4f1e-a67c-d96b3d52df54
event	event_vendor	string	The vendor of the product generating the event	Microsoft
file	file_extension	string	The extension name or type of the file.	exe
file	file_hash_md5	string	MD5 hash of the image/binary/file	6A255BEBF3DBCD13585538ED47DBAFD7
file	file_hash_sha1	string	SHA1 hash of the image/binary/file	B0BF5AC2E81BBF597FAD5F349FEEB32CAC449FA2
file	file_hash_sha256	string	SHA256 hash of the image/binary/file	4668BB2223FFB983A5F1273B9E3D9FA2C5CE4A0F1FB18CA5C1B285762020073C
file	file_hash_sha512	string	SHA512 hash of the image/binary/file	1AD1D79F85D8F6A50EA282F63898D652661DAA0C1FD361C22647CABC98A70E8CBCE83200D579D10DD0A3D46BE9496DCDFDDF28B0C5E9709343B032A8796FBECB
file	file_mime_type	string	MIME type name specified for the file	application/msword
file	file_name	string	name of the file without its full path. This could be a local file or one transmitted over the network.	a.exe
file	file_path	string	full path of a file including the name of the file. This could be a local file or one transmitted over the network.	C:\users\wardog\z.exe
file	file_size	integer	Size of the file, in bytes.	45
http	http_content_type	string	The HTTP Response content type header for HTTP/HTTPS network sessions.
http	http_referrer_original	string	HTTP header "Referer". The HTTP referer header for HTTP/HTTPS network sessions.	https://sub.domain.tld/path/a/b/JavaScript
http	http_request_method	string	Type of HTTP request that was made. Other examples could be (anything) PUT, POST, HEAD, DELETE	GET
http	http_request_time	integer	The amount of time in milliseconds it took to send the request to the server, if applicable.	700
http	http_request_xff	string	The HTTP X-Forwarded-For header for HTTP/HTTPS network sessions.	203.0.113.195
http	http_response_time	inte	The amount of time in milliseconds it took to receive a response in the server, if applicable.	800
http	http_status_code	integer	HTTP Server reply code	200
http	http_user_agent_original	string	The User agent seen in the HTTP request.	Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
http	http_version	string	HTTP request version	1.1
network	network_application_protocol	string	Layer 7 (application) in the OSI model. Ex: HTTP,SMB,FTP,SSH, etc.	HTTP
network	network_bytes	integer	Total bytes for the session. If this field does not exist in the log source, then its possible in your ETL pipeline to combine the source and destination bytes.	102034
network	network_direction	string	User/Device defined name of the direction of the connection or session (Inbound or Outbound).	outbound
network	network_duration	integer	The amount of time, in millisecond, for the completion of the network session or connection.	1500
network	network_icmp_code	integer	For an ICMP message, ICMP message type numeric value (RFC 2780 or RFC 4443).	34
network	network_icmp_type	string	For an ICMP message, ICMP message type text representation (RFC 2780 or RFC 4443)	Destination Unreachable
network	network_packets	long	Total packets for the session. If this field does not exist in the log source, then its possible in your ETL pipeline to combine the source and destination packets	143
network	network_protocol	string	Transport layer in the OSI model. Also known as, IP Protocol. Ex: TCP,UDP,ICMP,ICMP-v6, etc. Convert to lowercase	tcp
network	network_rule_name	string	The name or ID of the rule by which DeviceAction was decided upon	AnyAnyDrop
network	network_rule_number	integer	Matched rule number	23
network	network_session_id	string	The session identifier as reported by the network sensor device. Typically, not available for connections.	S198_13_1_27_12321_D205_13_1_27_443_0012
source	src_bytes	integer	The number of bytes sent from the source to the destination for the connection or session.	100
source	src_dvc_domain	string	Name of the domain the device is part of.	hunt.wardog.com
source	src_dvc_fqdn	string	The fully qualified domain name of the host	WKHR001.hunt.wardog.com
source	src_dvc_hostname	string	The host name from which the event/log came from. There may be multiple host names in an event (i.e. syslog could have forwarder host name), this field is to be the most true log host name (i.e. NOT the forwarders name).	bobs.uncle-pc
source	src_dvc_ip_addr	ip	IP address assigned to the device generating the event and/or the IP address in the network packet. This could be used in the context of source, destination, device and even NAT when it is provided by an intermediary NAT device such as a firewall.	192.168.1.2
source	src_dvc_mac_addr	string	MAC address of the device where the event was generated or network interface where a connection starts or ends.	00:11:22:33:44:55
source	src_dvc_model_name	string	The model name of the device	Samsung Galaxy Note
source	src_dvc_model_number	string	The model number of the device	10
source	src_dvc_os	string	The OS of the device	iOS
source	src_dvc_type	string	The type of the device	mobile
source	src_geo_city	string	The city associated to the IP address in the network session.	San Miguel
source	src_geo_country	string	The country associated with the IP address in the network session.	Peru
source	src_geo_latitude	string	The latitude of the geographical coordinate associated with the IP address in the network session.	38.8951
source	src_geo_longitude	string	The longitude of the geographical coordinate associated with the IP address in the network session.	-77.0364
source	src_geo_region	string	The region within a country associated with the IP address in the network session.	East US
source	src_interface_guid	string	GUID of the network interface which was used for authentication request (if applicable). Most of the time you would use the interface_name field for the uid.	7C202E90-2FBE-4275-AB0E-9BF67E04BEDF
source	src_interface_name	string	The network interface used for the connection or session by the source device.	eth02
source	src_ip_addr	ip	IP address assigned to the device generating the event and/or the IP address in the network packet. This could be used in the context of source, destination, device and even NAT when it is provided by an intermediary NAT device such as a firewall.	192.168.1.2
source	src_mac_addr	string	MAC address of the device where the event was generated or network interface where a connection starts or ends.	00:11:22:33:44:55
source_nat	src_nat_ip_addr	ip	IP address assigned to the device generating the event and/or the IP address in the network packet. This could be used in the context of source, destination, device and even NAT when it is provided by an intermediary NAT device such as a firewall.	192.168.1.2
source_nat	src_nat_port_number	integer	Port number used in a network connection. This could be used in the context of source, destination and even NAT when it is provided by an intermediary NAT device such as a firewall.	138
source	src_packets	integer	The number of packets sent from the source to the destination for the connection or session. The meaning of a packet is defined by the reporting device.	5
source	src_port_number	integer	Port number used in a network connection. This could be used in the context of source, destination and even NAT when it is provided by an intermediary NAT device such as a firewall.	138
source	src_resource_id	string	The resource Id of the source device in a network connection	/subscriptions/33333333-8888-4444-a115-aaaaaaaaaaaa/resourcegroups/shokobo/providers/microsoft.compute/virtualmachines/sysmachine2
source	src_user_aadid	string	The User Azure AD ID of the identity associated with a cloud network session. It applies to source and destination entities.	5e8b0f4d-2cd4-4e17-9467-b0f6a5c0c4d0
source	src_user_domain	string	The domain or computer name associated to the user in a session. In active directory, this would be the name of the domain the user belongs to.	CONTOSO
source	src_user_name	string	Name of the user associated with the main event (i.e. Network session). There could be a sense of direction depending how it is used together with other entities (i.e. src_user_name or dst_user_name)	wardog
source	src_user_sid	string	Security identifier of the user. Typically, the identity used to authenticate a server.	S-1-5-21-1377283216-344919071-3415362939-500
source	src_user_upn	string	In Active Directory, the User Principal Name (UPN) attribute is a user identifier for logging in, separate from a Windows domain login.	dadmin@contoso
source	src_zone	string	The network zone of the source, as defined by the reporting device.	dmz
threat	threat_category	string	Trojan The category of a threat identified by a security system such as Web Security Gateway of an IPS and is associated with this network session.	Trojan
threat	threat_id	string	The ID of a threat identified by a security system such as Web Security Gateway of an IPS and is associated with this network session.	Tr.124
threat	threat_name	string	The name of the threat or malware identified	EICAR Test File
url	url_category	string	The defined grouping of a URL (or could be just based on the domain in the URL) related to what it is (ie: adult, news, advertising, parked domains, etc)	Search Engines
url	url_hostname	string	The domain/host/hostname of the URL. This could be an IP address or any variation of a value but is more than likely a domain/hostname	google.com
url	url_original	string	The entirety of the URL combined together and or the URL in the truest form from the log source. Some log sources will already parse out portions of the URL into their respective fields. Other logs will even parse out the portions of the URL into their respective field but also include the "original" URL. Always try to include this field, because HTTP/URLs never truly have to conform to any RFC/implementation and thus any parsing/logging implementation could have any number of assumptions/mistakes - therefore it is best to keep a original value	ftp://BigwheelPassword:BigwheelBobUser@google.com:8088/common/Current/client/search/greatsearch.php?hash=215696fc36392ca70f89228b98060afb%20processname=example.exe#gid=l1k4h