# hollowpoint.rules — generated 2026-09-15 10:08 UTC — 1 rules — TLP:CLEAR
# source: https://publicmosaic.com/indicators — published for defensive use
# scope: host 196.251.121.183
# 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 -> 196.251.121.183 4433 (msg:"HOLLOWPOINT C2 cobalt_strike"; tls.cert_fingerprint; content:"4e5afc5fc22bad975bc1fca7517522d90f1248b979fd585467d40fadcf0d0b9d"; reference:url,publicmosaic.com/indicators; sid:9101262; rev:2;)