alert tcp [51.158.151.177,51.195.91.124,51.81.222.62,51.91.18.151,5.230.219.100,5.230.219.101,5.252.154.89,5.253.247.27,5.255.101.10,5.255.102.26] any -> $HOME_NET any (msg:"ET TOR Known Tor Exit Node Traffic group 125"; reference:url,check.torproject.org/torbulkexitlist; threshold:type limit, track by_src, seconds 60, count 1; classtype:misc-attack; flowbits:set,ET.TorIP; sid:2520124; 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;)