alert tcp [216.239.90.19,216.73.159.101,216.73.159.75,217.12.221.131,217.156.49.33,217.60.195.54,217.60.198.90,217.60.198.91,217.60.198.92,217.60.198.93] any -> $HOME_NET any (msg:"ET TOR Known Tor Exit Node Traffic group 85"; reference:url,check.torproject.org/torbulkexitlist; threshold:type limit, track by_src, seconds 60, count 1; classtype:misc-attack; flowbits:set,ET.TorIP; sid:2520084; rev:6363; metadata:affected_product Any, attack_target Any, deployment Perimeter, tag TOR, signature_severity Informational, created_at 2008_12_01, updated_at 2026_08_31;)