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45 lines
1.8 KiB
Markdown
45 lines
1.8 KiB
Markdown
snort
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=====
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[Snort][1] is an open source intrusion prevention system capable of real-time
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traffic analysis and packet logging.
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```yaml
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snort:
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image: vimagick/snort
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command: -q -c /etc/snort/snort.conf -y -i eth0
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volumes:
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- ./data/snort.conf:/etc/snort/snort.conf
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- ./data/u2json.conf:/etc/snort/u2json.conf
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- ./data/rules:/etc/snort/rules
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- ./data/log:/var/log/snort
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cap_add:
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- NET_ADMIN
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net: host
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restart: unless-stopped
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```
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```bash
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# /etc/snort/rules/local.rules
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alert icmp any any -> any any (msg:"ICMP Echo Request"; itype:8; sid:10000;)
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alert icmp any any -> any any (msg:"ICMP Echo Reply"; itype:0; sid:10001;)
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```
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```bash
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$ docker-compose up -d
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$ docker-compose exec snort idstools-u2json @/etc/snort/u2json.conf
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INFO: Loaded 523 rule message map entries.
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INFO: Loaded 38 classifications.
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$ tail -f data/log/alert.json
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{"type":"event","event":{"impact":0,"generator-id":1,"protocol":1,"dport-icode":0,"signature-revision":0,"classification-id":0,"signature-id":1000000,"sensor-id":0,"impact-flag":0,"sport-itype":8,"priority":0,"event-second":1591597954,"pad2":null,"destination-ip":"1.2.3.4","event-id":55,"mpls-label":null,"vlan-id":null,"source-ip":"5.6.7.8","event-microsecond":905105,"blocked":0}}
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{"type":"event","event":{"impact":0,"generator-id":1,"protocol":1,"dport-icode":0,"signature-revision":0,"classification-id":0,"signature-id":1000001,"sensor-id":0,"impact-flag":0,"sport-itype":0,"priority":0,"event-second":1591597954,"pad2":null,"destination-ip":"5.6.7.8","event-id":56,"mpls-label":null,"vlan-id":null,"source-ip":"1.2.3.4","event-microsecond":905126,"blocked":0}}
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$ while :; do inotifywait -q -e modify data/log/alert.json && play -q alert.wav; done
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```
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[1]: https://snort.org/
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