alert tcp [205.185.117.149,205.185.121.164,205.185.121.170,205.185.123.93,206.206.192.178,207.246.62.85,209.141.45.141,209.141.46.203,209.38.145.86,212.21.66.6] any -> $HOME_NET any (msg:"ET TOR Known Tor Exit Node Traffic group 74"; reference:url,check.torproject.org/torbulkexitlist; threshold:type limit, track by_src, seconds 60, count 1; classtype:misc-attack; flowbits:set,ET.TorIP; sid:2520073; rev:6435; metadata:affected_product Any, attack_target Any, deployment Perimeter, tag TOR, signature_severity Informational, created_at 2008_12_01, updated_at 2026_11_11;)