snort数据库初始

ACID: Database (v100-103) ER Diagram

Snort (and other devices) log to database with the following schema:

 

Snort 1.8 (DB v100-103) and ACID 0.9.6b10 Database ER diagram
snort数据库初始_第1张图片

 

Table Component Description
schema Snort Self-documented information about the database
sensor Snort Sensor name
event Snort Meta-data about the detected alert
signature Snort Normalized listing of alert/signature names, priorities, and revision IDs
sig_reference Snort Reference information for a signature
reference Snort Reference IDs for a signature
reference_system Snort (lookup table) Reference system list
sig_class Snort Normalized listing of alert/signature classifications
data Snort Contents of packet payload
iphdr Snort IP protocol fields
tcphdr Snort TCP protocol fields
udphdr Snort UDP protocol fields
icmphdr Snort ICMP protocol fields
opt Snort IP and TCP options
detail Snort (lookup table) Level of detail with which a sensor is logging
encoding Snort (lookup table) Type of encoding used for the packet payload
protocols SnortDB extra (lookup table) Layer-4 (IP encoded) protocol list
services SnortDB extra (lookup table) TCP and UDP service list
flags SnortDB extra (lookup table) TCP flag list
acid_ag ACID Meta-data for alert groups
acid_ag_alert ACID Alerts in each alert group
acid_ip_cache ACID Cached DNS and whois information

 

 

schema

+-------+------------------+------+-----+---------------------+----------------------------------------+
| Field | Type             | Null | Key | Default             | Description                            |
+-------+------------------+------+-----+---------------------+----------------------------------------+
| vseq  | int(10) unsigned |      | PRI | 0                   | Database schema ID number (e.g. '102') |
| ctime | datetime         |      |     | 0000-00-00 00:00:00 | Timestamp of database creation time    |
+-------+------------------+------+-----+---------------------+----------------------------------------+

 

sensor

+-----------+------------------+------+-----+---------+----------------------------------------------+
| Field     | Type             | Null | Key | Default | Description                                  |
+-----------+------------------+------+-----+---------+----------------------------------------------+
| sid       | int(10) unsigned |      | PRI | NULL    | Sensor ID                                    |
| hostname  | text             | YES  |     | NULL    | Hostname of the sensor (IP if can't qualify) |
| interface | text             | YES  |     | NULL    | Network interface (e.g. eth0)                |
| filter    | text             | YES  |     | NULL    | BPF filter                                   |
| detail    | tinyint(4)       | YES  |     | NULL    | Detail level of the logging                  |
| encoding  | tinyint(4)       | YES  |     | NULL    | Encoding format of the payload               |
+-----------+------------------+------+-----+---------+----------------------------------------------+

 

event

+-----------+------------------+------+-----+---------------------+----------------------------------------+
| Field     | Type             | Null | Key | Default             | Description                            |
+-----------+------------------+------+-----+---------------------+----------------------------------------+
| sid       | int(10) unsigned |      | PRI | 0                   | Sensor ID                              |
| cid       | int(10) unsigned |      | PRI | 0                   | Event ID                               |
| signature | int(10) unsigned |      | MUL | 0                   | Signature ID                           |
| timestamp | datetime         |      | MUL | 0000-00-00 00:00:00 | Timestamp of when the event was logged |
+-----------+------------------+------+-----+---------------------+----------------------------------------+

 

signature

+--------------+------------------+------+-----+---------+-----------------------+
| Field        | Type             | Null | Key | Default | Description           |
+--------------+------------------+------+-----+---------+-----------------------+
| sig_id       | int(10) unsigned |      | PRI | NULL    | Signature ID          |
| sig_name     | varchar(255)     |      | MUL |         | Signature Name        |
| sig_class_id | int(10) unsigned | YES  | MUL | NULL    | Classification ID     |
| sig_priority | int(10) unsigned | YES  |     | NULL    | Priority              |
| sig_rev      | int(10) unsigned | YES  |     | NULL    | Revision number       |
| sig_sid      | int(10) unsigned | YES  |     | NULL    | Internal signature ID |
+--------------+------------------+------+-----+---------+-----------------------+

 

sig_reference

+---------+------------------+------+-----+---------+-------------------------------------------------+
| Field   | Type             | Null | Key | Default | Description                                     |
+---------+------------------+------+-----+---------+-------------------------------------------------+
| sig_id  | int(10) unsigned |      | PRI | 0       | Signature ID                                    |
| ref_seq | int(10) unsigned |      | PRI | 0       | Reference sequence number (multiple references) |
| ref_id  | int(10) unsigned |      |     | 0       | Reference ID                                    |
+---------+------------------+------+-----+---------+-------------------------------------------------+

 

reference

+---------------+------------------+------+-----+---------+--------------------------------------+
| Field         | Type             | Null | Key | Default | Description                          |
+---------------+------------------+------+-----+---------+--------------------------------------+
| ref_id        | int(10) unsigned |      | PRI | NULL    | Reference ID                         |
| ref_system_id | int(10) unsigned |      |     | 0       | Reference system ID                  |
| ref_tag       | varchar(20)      |      |     |         | Reference tag (e.g. CVE-CAN-2001-01) |
+---------------+------------------+------+-----+---------+--------------------------------------+

 

reference_system

+-----------------+------------------+------+-----+---------+----------------------------------+
| Field           | Type             | Null | Key | Default | Description                      |
+-----------------+------------------+------+-----+---------+----------------------------------+
| ref_system_id   | int(10) unsigned |      | PRI | NULL    | Reference system ID              |
| ref_system_name | varchar(20)      | YES  |     | NULL    | Reference system name (e.g. CVE) |
+-----------------+------------------+------+-----+---------+----------------------------------+

 

sig_class

+----------------+------------------+------+-----+---------+----------------------------------+
| Field          | Type             | Null | Key | Default | Description                      |
+----------------+------------------+------+-----+---------+----------------------------------+
| sig_class_id   | int(10) unsigned |      | PRI | NULL    | Signature classification ID      |
| sig_class_name | varchar(60)      |      | MUL |         | Classification name (e.g. recon) |
+----------------+------------------+------+-----+---------+----------------------------------+

 

data

+--------------+------------------+------+-----+---------+-----------------------------------------------------+
| Field        | Type             | Null | Key | Default | Description                                         |
+--------------+------------------+------+-----+---------+-----------------------------------------------------+
| sid          | int(10) unsigned |      | PRI | 0       | Sensor ID                                           |
| cid          | int(10) unsigned |      | PRI | 0       | Event ID                                            |
| data_payload | text             | YES  |     | NULL    | Packet payload encoded according to sensor.encoding |
+--------------+------------------+------+-----+---------+-----------------------------------------------------+

 

iphdr

+----------+----------------------+------+-----+---------+----------------------------------------------+
| Field    | Type                 | Null | Key | Default | Description                                  |
+----------+----------------------+------+-----+---------+----------------------------------------------+
| sid      | int(10) unsigned     |      | PRI | 0       | Sensor ID                                    |
| cid      | int(10) unsigned     |      | PRI | 0       | Event ID                                     |
| ip_src   | int(10) unsigned     |      | MUL | 0       | Source IP address (32-bit unsigned int)      |
| ip_dst   | int(10) unsigned     |      | MUL | 0       | Destination IP address (32-bit unsigned int) |
| ip_ver   | tinyint(3) unsigned  | YES  |     | NULL    | IP version                                   |
| ip_hlen  | tinyint(3) unsigned  | YES  |     | NULL    | IP Header length                             |
| ip_tos   | tinyint(3) unsigned  | YES  |     | NULL    | IP type-of-service                           |
| ip_len   | smallint(5) unsigned | YES  |     | NULL    | IP datagram length                           |
| ip_id    | smallint(5) unsigned | YES  |     | NULL    | IP ID                                        |
| ip_flags | tinyint(3) unsigned  | YES  |     | NULL    | IP flags                                     |
| ip_off   | smallint(5) unsigned | YES  |     | NULL    | IP fragment offset                           |
| ip_ttl   | tinyint(3) unsigned  | YES  |     | NULL    | IP time-to-live                              |
| ip_proto | tinyint(3) unsigned  |      |     | 0       | IP protocol                                  |
| ip_csum  | smallint(5) unsigned | YES  |     | NULL    | IP checksum                                  |
+----------+----------------------+------+-----+---------+----------------------------------------------+

 

tcphdr

+-----------+----------------------+------+-----+---------+----------------------+
| Field     | Type                 | Null | Key | Default | Description          |
+-----------+----------------------+------+-----+---------+----------------------+
| sid       | int(10) unsigned     |      | PRI | 0       | Sensor ID            |
| cid       | int(10) unsigned     |      | PRI | 0       | Event ID             |
| tcp_sport | smallint(5) unsigned |      | MUL | 0       | TCP source port      |
| tcp_dport | smallint(5) unsigned |      | MUL | 0       | TCP destination port |
| tcp_seq   | int(10) unsigned     | YES  |     | NULL    | TCP sequence number  |
| tcp_ack   | int(10) unsigned     | YES  |     | NULL    | TCP ACK number       |
| tcp_off   | tinyint(3) unsigned  | YES  |     | NULL    | TCP offset           |
| tcp_res   | tinyint(3) unsigned  | YES  |     | NULL    | TCP reserved         |
| tcp_flags | tinyint(3) unsigned  |      | MUL | 0       | TCP flags            |
| tcp_win   | smallint(5) unsigned | YES  |     | NULL    | TCP window           |
| tcp_csum  | smallint(5) unsigned | YES  |     | NULL    | TCP checksum         |
| tcp_urp   | smallint(5) unsigned | YES  |     | NULL    | TCP urgent pointer   |
+-----------+----------------------+------+-----+---------+----------------------+

 

udphdr

+-----------+----------------------+------+-----+---------+----------------------+
| Field     | Type                 | Null | Key | Default | Description          |
+-----------+----------------------+------+-----+---------+----------------------+
| sid       | int(10) unsigned     |      | PRI | 0       | Sensor ID            |
| cid       | int(10) unsigned     |      | PRI | 0       | Event ID             |
| udp_sport | smallint(5) unsigned |      | MUL | 0       | UDP soure port       |
| udp_dport | smallint(5) unsigned |      | MUL | 0       | UDP destination port |
| udp_len   | smallint(5) unsigned | YES  |     | NULL    | UDP length           |
| udp_csum  | smallint(5) unsigned | YES  |     | NULL    | UDP checksum         |
+-----------+----------------------+------+-----+---------+----------------------+

 

icmphdr

+-----------+----------------------+------+-----+---------+----------------------+
| Field     | Type                 | Null | Key | Default | Description          |
+-----------+----------------------+------+-----+---------+----------------------+
| sid       | int(10) unsigned     |      | PRI | 0       | Sensor ID            |
| cid       | int(10) unsigned     |      | PRI | 0       | Event ID             |
| icmp_type | tinyint(3) unsigned  |      | MUL | 0       | ICMP type            |
| icmp_code | tinyint(3) unsigned  |      |     | 0       | ICMP code            |
| icmp_csum | smallint(5) unsigned | YES  |     | NULL    | ICMP checksum        |
| icmp_id   | smallint(5) unsigned | YES  |     | NULL    | ICMP ID              |
| icmp_seq  | smallint(5) unsigned | YES  |     | NULL    | ICMP sequence number |
+-----------+----------------------+------+-----+---------+----------------------+

 

opt

+-----------+---------------------+------+-----+---------+----------------------------------------+
| Field     | Type                | Null | Key | Default | Description                            |
+-----------+---------------------+------+-----+---------+----------------------------------------+
| sid       | int(10) unsigned    |      | PRI | 0       | Sensor ID                              |
| cid       | int(10) unsigned    |      | PRI | 0       | Event ID                               |
| optid     | int(10) unsigned    |      | PRI | 0       | Option ID (multiple options per alert) |
| opt_proto | tinyint(3) unsigned |      |     | 0       | Option protocol (IP, TCP)              |
| opt_code  | tinyint(3) unsigned |      |     | 0       | Option code                            |
| opt_len   | smallint(6)         | YES  |     | NULL    | Option length                          |
| opt_data  | text                | YES  |     | NULL    | Option data                            |
+-----------+---------------------+------+-----+---------+----------------------------------------+

 

acid_ag

+----------+------------------+------+-----+---------+-----------------------------------+
| Field    | Type             | Null | Key | Default | Description                       |
+----------+------------------+------+-----+---------+-----------------------------------+
| ag_id    | int(10) unsigned |      | PRI | NULL    | Alert Group (AG) ID               |
| ag_name  | varchar(40)      | YES  |     | NULL    | AG name                           |
| ag_desc  | text             | YES  |     | NULL    | AG description                    |
| ag_ctime | datetime         | YES  |     | NULL    | Timestamp of AG creation time     |
| ag_ltime | datetime         | YES  |     | NULL    | Timestamp of last AG modification |
+----------+------------------+------+-----+---------+-----------------------------------+

 

acid_ag_alert

+--------+------------------+------+-----+---------+---------------------+
| Field  | Type             | Null | Key | Default | Description         |
+--------+------------------+------+-----+---------+---------------------+
| ag_id  | int(10) unsigned |      | PRI | 0       | Alert Group (AG) ID |
| ag_sid | int(10) unsigned |      | PRI | 0       | Sensor ID           |
| ag_cid | int(10) unsigned |      | PRI | 0       | Event ID            |
+--------+------------------+------+-----+---------+---------------------+

 

acid_ip_cache

+---------------------+------------------+------+-----+---------+----------------------------------+
| Field               | Type             | Null | Key | Default | Description                      |
+---------------------+------------------+------+-----+---------+----------------------------------+
| ipc_ip              | int(10) unsigned |      | PRI | 0       | IP address (32-bit unsigned int) |
| ipc_fqdn            | varchar(50)      | YES  | MUL | NULL    | FQDN                             |
| ipc_dns_timestamp   | datetime         | YES  |     | NULL    | DNS lookup timestamp             |
| ipc_whois           | text             | YES  |     | NULL    | whois information                |
| ipc_whois_timestamp | datetime         | YES  |     | NULL    | whois lookup time                |
+---------------------+------------------+------+-----+---------+----------------------------------+

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