Free rule list for suricata

• Emerging Threats Open Ruleset – Suricata

https://rules.emergingthreats.net/open/suricata-6/emerging-all.rules.tar.gz

• Positive Technologies Attack Detection Team Ruleset

https://raw.githubusercontent.com/ptresearch/AttackDetection/master/pt.rules.tar.gz

• Abuse.ch SSL Blacklist Suricata Ruleset

https://sslbl.abuse.ch/blacklist/sslblacklist_tls_cert.tar.gz

• abuse.ch SSLBL Snort / Suricata Botnet C2 IP Ruleset

https://sslbl.abuse.ch/blacklist/sslipblacklist.tar.gz

• Abuse.ch Suricata JA3 Fingerprint Ruleset

https://sslbl.abuse.ch/blacklist/ja3_fingerprints.tar.gz

• @travisbgreen Threat hunting Ruleset

https://raw.githubusercontent.com/travisbgreen/hunting-rules/master/hunting.rules

• OISF Suricata Traffic ID Ruleset

https://openinfosecfoundation.org/rules/trafficid/trafficid.rules

• abuse.ch Feodo Tracker Botnet C2 IP

https://feodotracker.abuse.ch/downloads/ipblocklist.csv

• abuse.ch SSLBL Botnet C2 IP Blacklist

https://sslbl.abuse.ch/blacklist/sslipblacklist.csv

• abuse.ch ThreatFox IOCs feed

https://threatfox-api.abuse.ch/api/v1/

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