alert tcp [162.251.5.152,162.35.242.49,162.35.243.112,162.35.243.184,162.35.243.27,162.35.243.81,162.35.243.97,163.172.84.90,165.227.163.170,165.73.242.163] any -> $HOME_NET any (msg:"ET TOR Known Tor Exit Node Traffic group 22"; reference:url,check.torproject.org/torbulkexitlist; threshold:type limit, track by_src, seconds 60, count 1; classtype:misc-attack; flowbits:set,ET.TorIP; sid:2520021; rev:6360; metadata:affected_product Any, attack_target Any, deployment Perimeter, tag TOR, signature_severity Informational, created_at 2008_12_01, updated_at 2026_08_28;)