# NOTE: 1 of 2 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 — 2 rules — TLP:CLEAR # source: https://publicmosaic.com/indicators — published for defensive use # scope: host 165.99.43.101 # 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 tls $HOME_NET any -> 165.99.43.101 50050 (msg:"HOLLOWPOINT C2 cobalt_strike"; tls.cert_fingerprint; content:"b95be8dc7cb1889ef7961f80f18e9e790d077aac0791cc0860ca0d4e17e3b71b"; reference:url,publicmosaic.com/indicators; sid:9105819; rev:2;) alert tcp $HOME_NET any -> 165.99.43.101 4445 (msg:"HOLLOWPOINT C2 cobalt_strike"; reference:url,publicmosaic.com/indicators; sid:9104027; rev:2;)