alert tcp [154.53.58.161,155.94.163.175,157.180.0.31,158.174.210.97,158.220.112.15,160.119.249.240,160.187.148.71,161.129.68.162,161.97.160.86,162.19.7.11] any -> $HOME_NET any (msg:"ET TOR Known Tor Exit Node Traffic group 17"; reference:url,check.torproject.org/torbulkexitlist; threshold:type limit, track by_src, seconds 60, count 1; classtype:misc-attack; flowbits:set,ET.TorIP; sid:2520016; rev:6266; metadata:affected_product Any, attack_target Any, deployment Perimeter, tag TOR, signature_severity Informational, created_at 2008_12_01, updated_at 2026_05_26;)