# 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 49.51.230.17 # 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 -> 49.51.230.17 50050 (msg:"HOLLOWPOINT C2 cobalt_strike"; tls.cert_fingerprint; content:"02fd77af71d8670199c4295286416c3aa3f06100430725c9e3feab0cec10dfe3"; reference:url,publicmosaic.com/indicators; sid:9105194; rev:2;) alert tcp $HOME_NET any -> 49.51.230.17 53001 (msg:"HOLLOWPOINT C2 cobalt_strike"; reference:url,publicmosaic.com/indicators; sid:9102990; rev:2;) alert tcp $HOME_NET any -> 49.51.230.17 9898 (msg:"HOLLOWPOINT malware distribution host vshell"; reference:url,publicmosaic.com/indicators; sid:9102991; rev:2;) alert tcp $HOME_NET any -> 49.51.230.17 9001 (msg:"HOLLOWPOINT malware distribution host vshell"; reference:url,publicmosaic.com/indicators; sid:9102992; rev:2;)