alert tcp [185.220.101.150,185.220.101.151,185.220.101.152,185.220.101.153,185.220.101.154,185.220.101.155,185.220.101.156,185.220.101.157,185.220.101.158,185.220.101.159] any -> $HOME_NET any (msg:"ET TOR Known Tor Exit Node Traffic group 39"; reference:url,check.torproject.org/torbulkexitlist; threshold:type limit, track by_src, seconds 60, count 1; classtype:misc-attack; flowbits:set,ET.TorIP; sid:2520038; 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;)