alert tcp [104.244.76.237,104.244.77.208,104.244.78.233,104.244.79.44,104.244.79.50,104.244.79.61,107.172.111.164,107.172.125.210,107.174.146.5,107.175.202.162] any -> $HOME_NET any (msg:"ET TOR Known Tor Exit Node Traffic group 5"; reference:url,check.torproject.org/torbulkexitlist; threshold:type limit, track by_src, seconds 60, count 1; classtype:misc-attack; flowbits:set,ET.TorIP; sid:2520004; 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;)