alert tcp [185.220.101.16,185.220.101.160,185.220.101.161,185.220.101.162,185.220.101.163,185.220.101.164,185.220.101.165,185.220.101.166,185.220.101.168,185.220.101.169] any -> $HOME_NET any (msg:"ET TOR Known Tor Exit Node Traffic group 40"; reference:url,check.torproject.org/torbulkexitlist; threshold:type limit, track by_src, seconds 60, count 1; classtype:misc-attack; flowbits:set,ET.TorIP; sid:2520039; 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;)