# 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 09:38 UTC — 2 rules — TLP:CLEAR
# source: https://publicmosaic.com/indicators — published for defensive use
# scope: host 156.225.18.45
# 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 -> 156.225.18.45 50050 (msg:"HOLLOWPOINT C2 cobalt_strike"; tls.cert_fingerprint; content:"44d5c678203a9049263523d1ee53db834cba5e23e8a7fbc0376b1bf0b53ad682"; reference:url,publicmosaic.com/indicators; sid:9105188; rev:2;)
alert tcp $HOME_NET any -> 156.225.18.45 33333 (msg:"HOLLOWPOINT C2 cobalt_strike"; reference:url,publicmosaic.com/indicators; sid:9100103; rev:2;)