# NOTE: 3 of 4 rule(s) below carry no published certificate and alert on # address and port (alert tcp); the rest match the certificate fingerprint in the TLS handshake (alert tls). # hollowpoint.rules — generated 2026-09-15 10:08 UTC — 4 rules — TLP:CLEAR # source: https://publicmosaic.com/indicators — published for defensive use # scope: host 83.229.123.249 # rev:2 — alert tcp on address and port; alert tls with tls.cert_fingerprint only where the full # certificate SHA-256 is published. REPLACE any rev:1 file (every rule was alert tls) rather than # loading it beside this one: a same-sid different-text pair is a duplicate Suricata refuses. alert tcp $HOME_NET any -> 83.229.123.249 9090 (msg:"HOLLOWPOINT C2 cobalt_strike"; reference:url,publicmosaic.com/indicators; sid:9106476; rev:2;) alert tls $HOME_NET any -> 83.229.123.249 8443 (msg:"HOLLOWPOINT C2 cobalt_strike"; tls.cert_fingerprint; content:"bdb5a0dce33a675b637a65bbba5a48c8a29d793d69f6c02c060740682f9de466"; reference:url,publicmosaic.com/indicators; sid:9106348; rev:2;) alert tcp $HOME_NET any -> 83.229.123.249 8080 (msg:"HOLLOWPOINT C2 cobalt_strike"; reference:url,publicmosaic.com/indicators; sid:9106349; rev:2;) alert tcp $HOME_NET any -> 83.229.123.249 80 (msg:"HOLLOWPOINT C2 cobalt_strike"; reference:url,publicmosaic.com/indicators; sid:9105633; rev:2;)