alert tcp [204.8.96.104,204.8.96.105,204.8.96.106,204.8.96.107,204.8.96.108,204.8.96.109,204.8.96.110,204.8.96.111,204.8.96.112,204.8.96.113] any -> $HOME_NET any (msg:"ET TOR Known Tor Exit Node Traffic group 71"; reference:url,check.torproject.org/torbulkexitlist; threshold:type limit, track by_src, seconds 60, count 1; classtype:misc-attack; flowbits:set,ET.TorIP; sid:2520070; 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;)