alert tcp [185.247.224.89,185.247.226.95,185.252.232.218,185.254.196.141,185.34.33.2,185.35.202.222,185.39.207.83,185.42.170.203,185.56.171.94,185.59.100.32] any -> $HOME_NET any (msg:"ET TOR Known Tor Exit Node Traffic group 52"; reference:url,check.torproject.org/torbulkexitlist; threshold:type limit, track by_src, seconds 60, count 1; classtype:misc-attack; flowbits:set,ET.TorIP; sid:2520051; rev:6316; metadata:affected_product Any, attack_target Any, deployment Perimeter, tag TOR, signature_severity Informational, created_at 2008_12_01, updated_at 2026_07_15;)