alert tcp [185.244.192.184,185.246.128.161,185.246.188.149,185.246.188.73,185.246.188.74,185.246.190.136,185.246.190.83,185.246.191.53,185.246.84.179,185.247.184.105] any -> $HOME_NET any (msg:"ET TOR Known Tor Exit Node Traffic group 51"; reference:url,check.torproject.org/torbulkexitlist; threshold:type limit, track by_src, seconds 60, count 1; classtype:misc-attack; flowbits:set,ET.TorIP; sid:2520050; 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;)