alert tcp [143.20.185.77,144.6.236.131,146.59.231.4,147.90.234.115,147.90.234.116,147.90.234.117,147.90.234.118,147.90.234.159,147.90.234.167,147.90.234.213] any -> $HOME_NET any (msg:"ET TOR Known Tor Exit Node Traffic group 9"; reference:url,check.torproject.org/torbulkexitlist; threshold:type limit, track by_src, seconds 60, count 1; classtype:misc-attack; flowbits:set,ET.TorIP; sid:2520008; 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;)