alert tcp [204.8.96.86,204.8.96.87,204.8.96.88,204.8.96.89,205.185.113.112,205.185.113.180,205.185.113.8,205.185.116.34,205.185.117.149,205.185.121.164] any -> $HOME_NET any (msg:"ET TOR Known Tor Exit Node Traffic group 80"; reference:url,check.torproject.org/torbulkexitlist; threshold:type limit, track by_src, seconds 60, count 1; classtype:misc-attack; flowbits:set,ET.TorIP; sid:2520079; 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;)