alert tcp [192.42.116.144,192.42.116.145,192.42.116.15,192.42.116.16,192.42.116.17,192.42.116.18,192.42.116.19,192.42.116.20,192.42.116.21,192.42.116.42] any -> $HOME_NET any (msg:"ET TOR Known Tor Exit Node Traffic group 58"; reference:url,check.torproject.org/torbulkexitlist; threshold:type limit, track by_src, seconds 60, count 1; classtype:misc-attack; flowbits:set,ET.TorIP; sid:2520057; 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;)