alert tcp [203.55.81.1,203.55.81.2,20.40.233.40,204.137.14.104,204.137.14.105,204.137.14.106,204.137.14.53,204.137.14.92,204.194.29.4,204.8.156.142] any -> $HOME_NET any (msg:"ET TOR Known Tor Exit Node Traffic group 70"; reference:url,check.torproject.org/torbulkexitlist; threshold:type limit, track by_src, seconds 60, count 1; classtype:misc-attack; flowbits:set,ET.TorIP; sid:2520069; rev:6317; metadata:affected_product Any, attack_target Any, deployment Perimeter, tag TOR, signature_severity Informational, created_at 2008_12_01, updated_at 2026_07_16;)