# 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 23.141.12.111
# 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 -> 23.141.12.111 8899 (msg:"HOLLOWPOINT C2 cobalt_strike"; reference:url,publicmosaic.com/indicators; sid:9103469; rev:2;)
alert tls $HOME_NET any -> 23.141.12.111 50050 (msg:"HOLLOWPOINT C2 cobalt_strike"; tls.cert_fingerprint; content:"a1f307a646f3c854ef625101413e9b18506d4b4693685063cfe9e78075ab909f"; reference:url,publicmosaic.com/indicators; sid:9100419; rev:2;)