alert tcp [190.103.179.98,190.120.229.2,190.120.229.98,190.211.254.97,192.108.48.150,192.121.44.26,192.121.44.27,192.121.44.33,192.121.44.34,192.159.99.180] any -> $HOME_NET any (msg:"ET TOR Known Tor Exit Node Traffic group 54"; reference:url,check.torproject.org/torbulkexitlist; threshold:type limit, track by_src, seconds 60, count 1; classtype:misc-attack; flowbits:set,ET.TorIP; sid:2520053; 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;)